./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-pktcdvd.ko.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_6fc10699-f8d9-407a-840f-e0841f8f62a5/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc10699-f8d9-407a-840f-e0841f8f62a5/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_6fc10699-f8d9-407a-840f-e0841f8f62a5/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc10699-f8d9-407a-840f-e0841f8f62a5/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-pktcdvd.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc10699-f8d9-407a-840f-e0841f8f62a5/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_6fc10699-f8d9-407a-840f-e0841f8f62a5/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 f81c0ae249d872dcfa63b19fa0949c00123fc4e906e065a111b2d70e300e79eb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:39:14,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:39:14,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:39:14,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:39:14,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:39:14,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:39:14,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:39:14,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:39:14,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:39:14,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:39:14,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:39:14,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:39:14,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:39:14,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:39:14,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:39:14,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:39:14,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:39:14,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:39:14,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:39:14,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:39:14,736 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:39:14,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:39:14,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:39:14,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:39:14,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:39:14,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:39:14,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:39:14,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:39:14,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:39:14,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:39:14,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:39:14,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:39:14,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:39:14,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:39:14,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:39:14,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:39:14,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:39:14,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:39:14,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:39:14,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:39:14,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:39:14,756 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc10699-f8d9-407a-840f-e0841f8f62a5/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:39:14,779 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:39:14,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:39:14,780 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:39:14,780 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:39:14,781 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:39:14,781 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:39:14,782 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:39:14,782 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:39:14,782 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:39:14,783 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:39:14,783 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:39:14,783 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:39:14,784 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:39:14,784 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:39:14,784 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:39:14,785 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:39:14,785 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:39:14,785 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:39:14,786 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:39:14,787 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:39:14,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:39:14,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:39:14,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:39:14,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:39:14,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:39:14,789 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:39:14,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:39:14,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:39:14,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:39:14,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:39:14,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:39:14,791 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:39:14,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:39:14,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:39:14,792 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:39:14,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:39:14,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:39:14,793 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:39:14,793 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_6fc10699-f8d9-407a-840f-e0841f8f62a5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc10699-f8d9-407a-840f-e0841f8f62a5/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f81c0ae249d872dcfa63b19fa0949c00123fc4e906e065a111b2d70e300e79eb [2022-11-26 00:39:15,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:39:15,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:39:15,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:39:15,160 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:39:15,161 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:39:15,162 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc10699-f8d9-407a-840f-e0841f8f62a5/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-pktcdvd.ko.cil.out.i [2022-11-26 00:39:18,243 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:39:18,777 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:39:18,778 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc10699-f8d9-407a-840f-e0841f8f62a5/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-pktcdvd.ko.cil.out.i [2022-11-26 00:39:18,823 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc10699-f8d9-407a-840f-e0841f8f62a5/bin/utaipan-ByfvJB40ur/data/5021618a4/8599f419f85947c6b591547818f7de90/FLAG049257d6d [2022-11-26 00:39:18,843 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc10699-f8d9-407a-840f-e0841f8f62a5/bin/utaipan-ByfvJB40ur/data/5021618a4/8599f419f85947c6b591547818f7de90 [2022-11-26 00:39:18,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:39:18,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:39:18,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:39:18,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:39:18,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:39:18,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:39:18" (1/1) ... [2022-11-26 00:39:18,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4254f3c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:39:18, skipping insertion in model container [2022-11-26 00:39:18,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:39:18" (1/1) ... [2022-11-26 00:39:18,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:39:19,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:39:19,490 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:39:19,500 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:39:19,517 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-26 00:39:19,636 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:39:19,721 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:39:19,831 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:39:19,838 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-26 00:39:19,844 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:39:19,849 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-26 00:39:19,901 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-11-26 00:39:20,064 WARN L623 FunctionHandler]: Unknown extern function __kmalloc [2022-11-26 00:39:20,073 WARN L623 FunctionHandler]: Unknown extern function __kmalloc [2022-11-26 00:39:20,172 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:39:20,175 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:39:20,176 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:39:20,178 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-26 00:39:20,187 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:39:20,187 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 00:39:20,245 WARN L623 FunctionHandler]: Unknown extern function mempool_create [2022-11-26 00:39:20,450 WARN L623 FunctionHandler]: Unknown extern function refrigerator [2022-11-26 00:39:20,493 WARN L623 FunctionHandler]: Unknown extern function kobject_init_and_add [2022-11-26 00:39:20,494 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-11-26 00:39:20,495 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent [2022-11-26 00:39:20,499 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-11-26 00:39:20,503 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:39:20,517 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:39:20,518 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:39:20,520 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:39:20,521 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:39:20,523 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:39:20,525 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:39:20,527 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:39:20,528 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:39:20,549 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-11-26 00:39:20,556 WARN L623 FunctionHandler]: Unknown extern function device_unregister [2022-11-26 00:39:20,560 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:39:20,564 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:39:20,571 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:39:20,573 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:39:20,607 WARN L623 FunctionHandler]: Unknown extern function __class_register [2022-11-26 00:39:20,609 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:39:20,610 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:20,617 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-26 00:39:20,629 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-11-26 00:39:20,642 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-11-26 00:39:20,644 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-11-26 00:39:20,652 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-11-26 00:39:20,653 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-11-26 00:39:20,657 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-11-26 00:39:20,664 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-11-26 00:39:20,670 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:39:20,674 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:39:20,675 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:39:20,680 WARN L623 FunctionHandler]: Unknown extern function bio_init [2022-11-26 00:39:20,682 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:39:20,695 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:39:20,697 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-11-26 00:39:20,701 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-11-26 00:39:20,703 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-11-26 00:39:20,703 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:39:20,712 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-11-26 00:39:20,713 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-11-26 00:39:20,716 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-11-26 00:39:20,717 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:39:20,736 WARN L623 FunctionHandler]: Unknown extern function rb_next [2022-11-26 00:39:20,740 WARN L623 FunctionHandler]: Unknown extern function rb_erase [2022-11-26 00:39:20,742 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-11-26 00:39:20,756 WARN L623 FunctionHandler]: Unknown extern function rb_insert_color [2022-11-26 00:39:20,761 WARN L623 FunctionHandler]: Unknown extern function blk_get_request [2022-11-26 00:39:20,762 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_kern [2022-11-26 00:39:20,767 WARN L623 FunctionHandler]: Unknown extern function blk_execute_rq [2022-11-26 00:39:20,774 WARN L623 FunctionHandler]: Unknown extern function blk_put_request [2022-11-26 00:39:20,783 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:20,784 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:20,785 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:20,786 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:20,787 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:20,788 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:20,789 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:20,795 WARN L623 FunctionHandler]: Unknown extern function init_cdrom_command [2022-11-26 00:39:20,801 WARN L623 FunctionHandler]: Unknown extern function init_cdrom_command [2022-11-26 00:39:20,814 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:39:20,831 WARN L623 FunctionHandler]: Unknown extern function generic_make_request [2022-11-26 00:39:20,836 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:20,862 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:39:20,868 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:39:20,875 WARN L623 FunctionHandler]: Unknown extern function bio_init [2022-11-26 00:39:20,877 WARN L623 FunctionHandler]: Unknown extern function bio_add_page [2022-11-26 00:39:20,900 WARN L623 FunctionHandler]: Unknown extern function rb_first [2022-11-26 00:39:20,902 WARN L623 FunctionHandler]: Unknown extern function rb_first [2022-11-26 00:39:20,906 WARN L623 FunctionHandler]: Unknown extern function clear_bdi_congested [2022-11-26 00:39:20,923 WARN L623 FunctionHandler]: Unknown extern function bio_init [2022-11-26 00:39:20,924 WARN L623 FunctionHandler]: Unknown extern function bio_add_page [2022-11-26 00:39:20,930 WARN L623 FunctionHandler]: Unknown extern function bio_endio [2022-11-26 00:39:20,943 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:39:20,955 WARN L623 FunctionHandler]: Unknown extern function set_user_nice [2022-11-26 00:39:20,955 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-26 00:39:20,957 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-26 00:39:20,959 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-11-26 00:39:20,961 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-26 00:39:20,962 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-26 00:39:20,962 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-26 00:39:20,962 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-26 00:39:20,968 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:20,968 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:20,969 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:20,983 WARN L623 FunctionHandler]: Unknown extern function init_cdrom_command [2022-11-26 00:39:20,988 WARN L623 FunctionHandler]: Unknown extern function init_cdrom_command [2022-11-26 00:39:21,002 WARN L623 FunctionHandler]: Unknown extern function init_cdrom_command [2022-11-26 00:39:21,004 WARN L623 FunctionHandler]: Unknown extern function init_cdrom_command [2022-11-26 00:39:21,007 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,022 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,028 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,033 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,036 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,046 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,052 WARN L623 FunctionHandler]: Unknown extern function init_cdrom_command [2022-11-26 00:39:21,054 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,056 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,057 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,058 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,058 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,062 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,067 WARN L623 FunctionHandler]: Unknown extern function init_cdrom_command [2022-11-26 00:39:21,070 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,071 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,076 WARN L623 FunctionHandler]: Unknown extern function init_cdrom_command [2022-11-26 00:39:21,081 WARN L623 FunctionHandler]: Unknown extern function init_cdrom_command [2022-11-26 00:39:21,093 WARN L623 FunctionHandler]: Unknown extern function init_cdrom_command [2022-11-26 00:39:21,094 WARN L623 FunctionHandler]: Unknown extern function init_cdrom_command [2022-11-26 00:39:21,097 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,098 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,105 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,105 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,106 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,119 WARN L623 FunctionHandler]: Unknown extern function init_cdrom_command [2022-11-26 00:39:21,124 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,127 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,128 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,141 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,142 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,146 WARN L623 FunctionHandler]: Unknown extern function bdget [2022-11-26 00:39:21,147 WARN L623 FunctionHandler]: Unknown extern function blkdev_get [2022-11-26 00:39:21,148 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,150 WARN L623 FunctionHandler]: Unknown extern function bd_set_size [2022-11-26 00:39:21,151 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-11-26 00:39:21,158 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,159 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,159 WARN L623 FunctionHandler]: Unknown extern function blkdev_put [2022-11-26 00:39:21,163 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,164 WARN L623 FunctionHandler]: Unknown extern function blkdev_put [2022-11-26 00:39:21,173 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:39:21,174 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:39:21,176 WARN L623 FunctionHandler]: Unknown extern function set_blocksize [2022-11-26 00:39:21,176 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:39:21,182 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:39:21,183 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:39:21,183 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:39:21,187 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:39:21,188 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:39:21,189 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:39:21,189 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:39:21,193 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-11-26 00:39:21,193 WARN L623 FunctionHandler]: Unknown extern function bio_endio [2022-11-26 00:39:21,194 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-11-26 00:39:21,198 WARN L623 FunctionHandler]: Unknown extern function bdevname [2022-11-26 00:39:21,199 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,199 WARN L623 FunctionHandler]: Unknown extern function bio_clone [2022-11-26 00:39:21,200 WARN L623 FunctionHandler]: Unknown extern function mempool_alloc [2022-11-26 00:39:21,202 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,208 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,209 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,210 WARN L623 FunctionHandler]: Unknown extern function blk_queue_bounce [2022-11-26 00:39:21,212 WARN L623 FunctionHandler]: Unknown extern function bio_split [2022-11-26 00:39:21,213 WARN L623 FunctionHandler]: Unknown extern function bio_pair_release [2022-11-26 00:39:21,214 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:39:21,215 WARN L623 FunctionHandler]: Unknown extern function set_bdi_congested [2022-11-26 00:39:21,216 WARN L623 FunctionHandler]: Unknown extern function congestion_wait [2022-11-26 00:39:21,220 WARN L623 FunctionHandler]: Unknown extern function mempool_alloc [2022-11-26 00:39:21,221 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:39:21,221 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:39:21,222 WARN L623 FunctionHandler]: Unknown extern function bio_endio [2022-11-26 00:39:21,232 WARN L623 FunctionHandler]: Unknown extern function blk_queue_make_request [2022-11-26 00:39:21,232 WARN L623 FunctionHandler]: Unknown extern function blk_queue_logical_block_size [2022-11-26 00:39:21,233 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-11-26 00:39:21,233 WARN L623 FunctionHandler]: Unknown extern function blk_queue_merge_bvec [2022-11-26 00:39:21,235 WARN L623 FunctionHandler]: Unknown extern function bdevname [2022-11-26 00:39:21,235 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,236 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,236 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,238 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,240 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,241 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,241 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,243 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,243 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,244 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,244 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,244 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,245 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,246 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,246 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,246 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,247 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,247 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,247 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,248 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,249 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,249 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,249 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,250 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,250 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,252 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,253 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,257 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-11-26 00:39:21,263 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,264 WARN L623 FunctionHandler]: Unknown extern function bdevname [2022-11-26 00:39:21,265 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,265 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,266 WARN L623 FunctionHandler]: Unknown extern function bdget [2022-11-26 00:39:21,266 WARN L623 FunctionHandler]: Unknown extern function blkdev_get [2022-11-26 00:39:21,267 WARN L623 FunctionHandler]: Unknown extern function set_blocksize [2022-11-26 00:39:21,268 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-11-26 00:39:21,268 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-26 00:39:21,269 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,269 WARN L623 FunctionHandler]: Unknown extern function proc_create_data [2022-11-26 00:39:21,270 WARN L623 FunctionHandler]: Unknown extern function bdevname [2022-11-26 00:39:21,270 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,271 WARN L623 FunctionHandler]: Unknown extern function blkdev_put [2022-11-26 00:39:21,275 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:39:21,277 WARN L623 FunctionHandler]: Unknown extern function __blkdev_driver_ioctl [2022-11-26 00:39:21,277 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:39:21,290 WARN L623 FunctionHandler]: Unknown extern function kasprintf [2022-11-26 00:39:21,291 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:39:21,292 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,293 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:39:21,294 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:39:21,294 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:39:21,295 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:39:21,295 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:39:21,296 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-11-26 00:39:21,297 WARN L623 FunctionHandler]: Unknown extern function blk_alloc_queue [2022-11-26 00:39:21,298 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-11-26 00:39:21,299 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:39:21,299 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-11-26 00:39:21,300 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-26 00:39:21,300 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-11-26 00:39:21,301 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:39:21,301 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:39:21,301 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,302 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:39:21,303 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,304 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-11-26 00:39:21,304 WARN L623 FunctionHandler]: Unknown extern function blkdev_put [2022-11-26 00:39:21,305 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-11-26 00:39:21,305 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,306 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-11-26 00:39:21,306 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-11-26 00:39:21,306 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-26 00:39:21,306 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-11-26 00:39:21,307 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:39:21,307 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:39:21,311 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:39:21,312 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:39:21,318 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 00:39:21,319 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 00:39:21,329 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:39:21,330 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-11-26 00:39:21,330 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,331 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-11-26 00:39:21,332 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,332 WARN L623 FunctionHandler]: Unknown extern function proc_mkdir [2022-11-26 00:39:21,332 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-11-26 00:39:21,333 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-11-26 00:39:21,337 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-11-26 00:39:21,338 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-11-26 00:39:21,338 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-11-26 00:39:21,339 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-11-26 00:39:21,357 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:39:21,359 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-26 00:39:21,360 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-26 00:39:21,361 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-26 00:39:21,366 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_6fc10699-f8d9-407a-840f-e0841f8f62a5/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-pktcdvd.ko.cil.out.i[265142,265155] [2022-11-26 00:39:21,374 WARN L623 FunctionHandler]: Unknown extern function ldv_undefined_int [2022-11-26 00:39:21,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:39:21,441 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:39:21,513 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:39:21,514 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:39:21,514 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-26 00:39:21,517 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:39:21,518 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:39:21,547 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:39:21,547 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-26 00:39:21,547 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:39:21,548 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-26 00:39:21,549 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-11-26 00:39:21,552 WARN L623 FunctionHandler]: Unknown extern function __kmalloc [2022-11-26 00:39:21,552 WARN L623 FunctionHandler]: Unknown extern function __kmalloc [2022-11-26 00:39:21,554 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:39:21,554 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:39:21,555 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:39:21,555 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-26 00:39:21,556 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:39:21,556 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 00:39:21,557 WARN L623 FunctionHandler]: Unknown extern function mempool_create [2022-11-26 00:39:21,567 WARN L623 FunctionHandler]: Unknown extern function refrigerator [2022-11-26 00:39:21,572 WARN L623 FunctionHandler]: Unknown extern function kobject_init_and_add [2022-11-26 00:39:21,573 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-11-26 00:39:21,573 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent [2022-11-26 00:39:21,574 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-11-26 00:39:21,574 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:39:21,581 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:39:21,582 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:39:21,583 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:39:21,584 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:39:21,584 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:39:21,585 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:39:21,586 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:39:21,587 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:39:21,595 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-11-26 00:39:21,596 WARN L623 FunctionHandler]: Unknown extern function device_unregister [2022-11-26 00:39:21,597 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:39:21,597 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:39:21,598 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:39:21,599 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:39:21,604 WARN L623 FunctionHandler]: Unknown extern function __class_register [2022-11-26 00:39:21,605 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:39:21,605 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,606 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-26 00:39:21,606 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-11-26 00:39:21,608 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-11-26 00:39:21,609 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-11-26 00:39:21,610 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-11-26 00:39:21,610 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-11-26 00:39:21,610 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-11-26 00:39:21,611 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-11-26 00:39:21,612 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:39:21,612 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:39:21,613 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:39:21,613 WARN L623 FunctionHandler]: Unknown extern function bio_init [2022-11-26 00:39:21,614 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:39:21,616 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:39:21,617 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-11-26 00:39:21,617 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-11-26 00:39:21,617 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-11-26 00:39:21,618 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:39:21,618 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-11-26 00:39:21,619 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-11-26 00:39:21,619 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-11-26 00:39:21,620 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:39:21,624 WARN L623 FunctionHandler]: Unknown extern function rb_next [2022-11-26 00:39:21,625 WARN L623 FunctionHandler]: Unknown extern function rb_erase [2022-11-26 00:39:21,625 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-11-26 00:39:21,628 WARN L623 FunctionHandler]: Unknown extern function rb_insert_color [2022-11-26 00:39:21,628 WARN L623 FunctionHandler]: Unknown extern function blk_get_request [2022-11-26 00:39:21,629 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_kern [2022-11-26 00:39:21,630 WARN L623 FunctionHandler]: Unknown extern function blk_execute_rq [2022-11-26 00:39:21,634 WARN L623 FunctionHandler]: Unknown extern function blk_put_request [2022-11-26 00:39:21,636 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,636 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,637 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,637 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,638 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,638 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,638 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,639 WARN L623 FunctionHandler]: Unknown extern function init_cdrom_command [2022-11-26 00:39:21,640 WARN L623 FunctionHandler]: Unknown extern function init_cdrom_command [2022-11-26 00:39:21,641 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:39:21,645 WARN L623 FunctionHandler]: Unknown extern function generic_make_request [2022-11-26 00:39:21,646 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,653 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:39:21,657 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:39:21,659 WARN L623 FunctionHandler]: Unknown extern function bio_init [2022-11-26 00:39:21,661 WARN L623 FunctionHandler]: Unknown extern function bio_add_page [2022-11-26 00:39:21,664 WARN L623 FunctionHandler]: Unknown extern function rb_first [2022-11-26 00:39:21,665 WARN L623 FunctionHandler]: Unknown extern function rb_first [2022-11-26 00:39:21,667 WARN L623 FunctionHandler]: Unknown extern function clear_bdi_congested [2022-11-26 00:39:21,674 WARN L623 FunctionHandler]: Unknown extern function bio_init [2022-11-26 00:39:21,675 WARN L623 FunctionHandler]: Unknown extern function bio_add_page [2022-11-26 00:39:21,677 WARN L623 FunctionHandler]: Unknown extern function bio_endio [2022-11-26 00:39:21,680 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:39:21,683 WARN L623 FunctionHandler]: Unknown extern function set_user_nice [2022-11-26 00:39:21,684 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-26 00:39:21,685 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-26 00:39:21,686 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-11-26 00:39:21,687 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-26 00:39:21,688 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-26 00:39:21,688 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-26 00:39:21,688 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-26 00:39:21,689 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,690 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,690 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,692 WARN L623 FunctionHandler]: Unknown extern function init_cdrom_command [2022-11-26 00:39:21,694 WARN L623 FunctionHandler]: Unknown extern function init_cdrom_command [2022-11-26 00:39:21,698 WARN L623 FunctionHandler]: Unknown extern function init_cdrom_command [2022-11-26 00:39:21,700 WARN L623 FunctionHandler]: Unknown extern function init_cdrom_command [2022-11-26 00:39:21,701 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,704 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,705 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,705 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,706 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,706 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,708 WARN L623 FunctionHandler]: Unknown extern function init_cdrom_command [2022-11-26 00:39:21,709 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,710 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,711 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,711 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,712 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,713 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,714 WARN L623 FunctionHandler]: Unknown extern function init_cdrom_command [2022-11-26 00:39:21,716 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,717 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,717 WARN L623 FunctionHandler]: Unknown extern function init_cdrom_command [2022-11-26 00:39:21,719 WARN L623 FunctionHandler]: Unknown extern function init_cdrom_command [2022-11-26 00:39:21,722 WARN L623 FunctionHandler]: Unknown extern function init_cdrom_command [2022-11-26 00:39:21,723 WARN L623 FunctionHandler]: Unknown extern function init_cdrom_command [2022-11-26 00:39:21,724 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,724 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,726 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,726 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,726 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,727 WARN L623 FunctionHandler]: Unknown extern function init_cdrom_command [2022-11-26 00:39:21,728 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,729 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,730 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,730 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,731 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,732 WARN L623 FunctionHandler]: Unknown extern function bdget [2022-11-26 00:39:21,732 WARN L623 FunctionHandler]: Unknown extern function blkdev_get [2022-11-26 00:39:21,732 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,734 WARN L623 FunctionHandler]: Unknown extern function bd_set_size [2022-11-26 00:39:21,735 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-11-26 00:39:21,735 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,736 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,736 WARN L623 FunctionHandler]: Unknown extern function blkdev_put [2022-11-26 00:39:21,737 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,737 WARN L623 FunctionHandler]: Unknown extern function blkdev_put [2022-11-26 00:39:21,738 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:39:21,738 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:39:21,739 WARN L623 FunctionHandler]: Unknown extern function set_blocksize [2022-11-26 00:39:21,740 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:39:21,740 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:39:21,740 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:39:21,741 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:39:21,741 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:39:21,741 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:39:21,742 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:39:21,742 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:39:21,745 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-11-26 00:39:21,746 WARN L623 FunctionHandler]: Unknown extern function bio_endio [2022-11-26 00:39:21,746 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-11-26 00:39:21,747 WARN L623 FunctionHandler]: Unknown extern function bdevname [2022-11-26 00:39:21,748 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,748 WARN L623 FunctionHandler]: Unknown extern function bio_clone [2022-11-26 00:39:21,749 WARN L623 FunctionHandler]: Unknown extern function mempool_alloc [2022-11-26 00:39:21,752 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,753 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,753 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,754 WARN L623 FunctionHandler]: Unknown extern function blk_queue_bounce [2022-11-26 00:39:21,755 WARN L623 FunctionHandler]: Unknown extern function bio_split [2022-11-26 00:39:21,755 WARN L623 FunctionHandler]: Unknown extern function bio_pair_release [2022-11-26 00:39:21,757 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:39:21,758 WARN L623 FunctionHandler]: Unknown extern function set_bdi_congested [2022-11-26 00:39:21,758 WARN L623 FunctionHandler]: Unknown extern function congestion_wait [2022-11-26 00:39:21,758 WARN L623 FunctionHandler]: Unknown extern function mempool_alloc [2022-11-26 00:39:21,759 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:39:21,759 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:39:21,760 WARN L623 FunctionHandler]: Unknown extern function bio_endio [2022-11-26 00:39:21,765 WARN L623 FunctionHandler]: Unknown extern function blk_queue_make_request [2022-11-26 00:39:21,768 WARN L623 FunctionHandler]: Unknown extern function blk_queue_logical_block_size [2022-11-26 00:39:21,768 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-11-26 00:39:21,768 WARN L623 FunctionHandler]: Unknown extern function blk_queue_merge_bvec [2022-11-26 00:39:21,772 WARN L623 FunctionHandler]: Unknown extern function bdevname [2022-11-26 00:39:21,772 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,773 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,773 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,774 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,774 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,775 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,775 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,776 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,776 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,777 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,777 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,777 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,777 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,778 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,778 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,778 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,779 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,779 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,779 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,780 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,780 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,780 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,780 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,781 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,781 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,781 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,782 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:39:21,783 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-11-26 00:39:21,784 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,785 WARN L623 FunctionHandler]: Unknown extern function bdevname [2022-11-26 00:39:21,785 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,786 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,786 WARN L623 FunctionHandler]: Unknown extern function bdget [2022-11-26 00:39:21,787 WARN L623 FunctionHandler]: Unknown extern function blkdev_get [2022-11-26 00:39:21,787 WARN L623 FunctionHandler]: Unknown extern function set_blocksize [2022-11-26 00:39:21,788 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-11-26 00:39:21,788 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-26 00:39:21,789 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,789 WARN L623 FunctionHandler]: Unknown extern function proc_create_data [2022-11-26 00:39:21,789 WARN L623 FunctionHandler]: Unknown extern function bdevname [2022-11-26 00:39:21,789 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,790 WARN L623 FunctionHandler]: Unknown extern function blkdev_put [2022-11-26 00:39:21,791 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:39:21,791 WARN L623 FunctionHandler]: Unknown extern function __blkdev_driver_ioctl [2022-11-26 00:39:21,792 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:39:21,796 WARN L623 FunctionHandler]: Unknown extern function kasprintf [2022-11-26 00:39:21,797 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:39:21,798 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,799 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:39:21,799 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:39:21,799 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:39:21,800 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:39:21,800 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:39:21,801 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-11-26 00:39:21,804 WARN L623 FunctionHandler]: Unknown extern function blk_alloc_queue [2022-11-26 00:39:21,807 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-11-26 00:39:21,808 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:39:21,808 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-11-26 00:39:21,811 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-26 00:39:21,812 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-11-26 00:39:21,812 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:39:21,813 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:39:21,813 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,814 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:39:21,814 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,815 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-11-26 00:39:21,815 WARN L623 FunctionHandler]: Unknown extern function blkdev_put [2022-11-26 00:39:21,816 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-11-26 00:39:21,816 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,816 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-11-26 00:39:21,816 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-11-26 00:39:21,819 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-26 00:39:21,820 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-11-26 00:39:21,820 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:39:21,820 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:39:21,821 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:39:21,822 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:39:21,823 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 00:39:21,824 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 00:39:21,827 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:39:21,828 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-11-26 00:39:21,828 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,829 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-11-26 00:39:21,829 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:39:21,829 WARN L623 FunctionHandler]: Unknown extern function proc_mkdir [2022-11-26 00:39:21,830 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-11-26 00:39:21,830 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-11-26 00:39:21,831 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-11-26 00:39:21,831 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-11-26 00:39:21,831 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-11-26 00:39:21,832 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-11-26 00:39:21,833 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:39:21,834 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-26 00:39:21,834 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-26 00:39:21,835 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-26 00:39:21,836 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_6fc10699-f8d9-407a-840f-e0841f8f62a5/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-pktcdvd.ko.cil.out.i[265142,265155] [2022-11-26 00:39:21,837 WARN L623 FunctionHandler]: Unknown extern function ldv_undefined_int [2022-11-26 00:39:21,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:39:21,996 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:39:21,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:39:21 WrapperNode [2022-11-26 00:39:21,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:39:21,998 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:39:21,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:39:21,999 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:39:22,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:39:21" (1/1) ... [2022-11-26 00:39:22,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:39:21" (1/1) ... [2022-11-26 00:39:22,276 INFO L138 Inliner]: procedures = 309, calls = 2522, calls flagged for inlining = 139, calls inlined = 90, statements flattened = 4041 [2022-11-26 00:39:22,276 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:39:22,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:39:22,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:39:22,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:39:22,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:39:21" (1/1) ... [2022-11-26 00:39:22,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:39:21" (1/1) ... [2022-11-26 00:39:22,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:39:21" (1/1) ... [2022-11-26 00:39:22,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:39:21" (1/1) ... [2022-11-26 00:39:22,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:39:21" (1/1) ... [2022-11-26 00:39:22,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:39:21" (1/1) ... [2022-11-26 00:39:22,465 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:39:21" (1/1) ... [2022-11-26 00:39:22,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:39:21" (1/1) ... [2022-11-26 00:39:22,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:39:22,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:39:22,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:39:22,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:39:22,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:39:21" (1/1) ... [2022-11-26 00:39:22,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:39:22,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc10699-f8d9-407a-840f-e0841f8f62a5/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:39:22,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc10699-f8d9-407a-840f-e0841f8f62a5/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:39:22,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc10699-f8d9-407a-840f-e0841f8f62a5/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:39:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-26 00:39:22,589 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-26 00:39:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-26 00:39:22,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-26 00:39:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_ctl_ioctl [2022-11-26 00:39:22,590 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_ctl_ioctl [2022-11-26 00:39:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_kobj_release [2022-11-26 00:39:22,590 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_kobj_release [2022-11-26 00:39:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2022-11-26 00:39:22,590 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2022-11-26 00:39:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-26 00:39:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-26 00:39:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_get_disc_info [2022-11-26 00:39:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_get_disc_info [2022-11-26 00:39:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_bio_alloc [2022-11-26 00:39:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_bio_alloc [2022-11-26 00:39:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 00:39:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 00:39:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_setup_dev [2022-11-26 00:39:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_setup_dev [2022-11-26 00:39:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-26 00:39:22,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-26 00:39:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure bdget [2022-11-26 00:39:22,592 INFO L138 BoogieDeclarations]: Found implementation of procedure bdget [2022-11-26 00:39:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_set_speed [2022-11-26 00:39:22,592 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_set_speed [2022-11-26 00:39:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure bdevname [2022-11-26 00:39:22,592 INFO L138 BoogieDeclarations]: Found implementation of procedure bdevname [2022-11-26 00:39:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-26 00:39:22,593 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-26 00:39:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_shrink_pktlist [2022-11-26 00:39:22,593 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_shrink_pktlist [2022-11-26 00:39:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-26 00:39:22,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-26 00:39:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2022-11-26 00:39:22,594 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2022-11-26 00:39:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-26 00:39:22,594 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-26 00:39:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:39:22,594 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:39:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_put [2022-11-26 00:39:22,594 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_put [2022-11-26 00:39:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2022-11-26 00:39:22,595 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2022-11-26 00:39:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-26 00:39:22,595 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-26 00:39:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_mode_select [2022-11-26 00:39:22,595 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_mode_select [2022-11-26 00:39:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_kobj_remove [2022-11-26 00:39:22,595 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_kobj_remove [2022-11-26 00:39:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-26 00:39:22,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-26 00:39:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_debugfs_cleanup [2022-11-26 00:39:22,596 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_debugfs_cleanup [2022-11-26 00:39:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:39:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-26 00:39:22,596 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-26 00:39:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure bio_init [2022-11-26 00:39:22,597 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_init [2022-11-26 00:39:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure set_blocksize [2022-11-26 00:39:22,597 INFO L138 BoogieDeclarations]: Found implementation of procedure set_blocksize [2022-11-26 00:39:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_dump_sense [2022-11-26 00:39:22,597 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_dump_sense [2022-11-26 00:39:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create_kmalloc_pool [2022-11-26 00:39:22,597 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create_kmalloc_pool [2022-11-26 00:39:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2022-11-26 00:39:22,598 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2022-11-26 00:39:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:39:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-11-26 00:39:22,598 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-11-26 00:39:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_lock_door [2022-11-26 00:39:22,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_lock_door [2022-11-26 00:39:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_get [2022-11-26 00:39:22,599 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_get [2022-11-26 00:39:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_remove_dev [2022-11-26 00:39:22,599 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_remove_dev [2022-11-26 00:39:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-11-26 00:39:22,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-11-26 00:39:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-11-26 00:39:22,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-11-26 00:39:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:39:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2022-11-26 00:39:22,600 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2022-11-26 00:39:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:39:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-26 00:39:22,600 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-26 00:39:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-26 00:39:22,600 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-26 00:39:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-26 00:39:22,601 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-26 00:39:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-11-26 00:39:22,601 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-11-26 00:39:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-26 00:39:22,601 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-26 00:39:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-26 00:39:22,602 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-26 00:39:22,602 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-26 00:39:22,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-26 00:39:22,602 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-26 00:39:22,602 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-26 00:39:22,602 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-26 00:39:22,602 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-26 00:39:22,602 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_sysfs_cleanup [2022-11-26 00:39:22,603 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_sysfs_cleanup [2022-11-26 00:39:22,603 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2022-11-26 00:39:22,603 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2022-11-26 00:39:22,603 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_find_dev_from_minor [2022-11-26 00:39:22,603 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_find_dev_from_minor [2022-11-26 00:39:22,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-26 00:39:22,603 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-26 00:39:22,604 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-26 00:39:22,604 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-26 00:39:22,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-26 00:39:22,604 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-26 00:39:22,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-26 00:39:22,604 INFO L130 BoogieDeclarations]: Found specification of procedure init_write_congestion_marks [2022-11-26 00:39:22,604 INFO L138 BoogieDeclarations]: Found implementation of procedure init_write_congestion_marks [2022-11-26 00:39:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-26 00:39:22,605 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-26 00:39:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-26 00:39:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_get_track_info [2022-11-26 00:39:22,605 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_get_track_info [2022-11-26 00:39:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:39:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-11-26 00:39:22,605 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-11-26 00:39:22,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-26 00:39:22,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-26 00:39:22,606 INFO L130 BoogieDeclarations]: Found specification of procedure new_decode_dev [2022-11-26 00:39:22,606 INFO L138 BoogieDeclarations]: Found implementation of procedure new_decode_dev [2022-11-26 00:39:22,606 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-26 00:39:22,606 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-26 00:39:22,606 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_kobj_create [2022-11-26 00:39:22,606 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_kobj_create [2022-11-26 00:39:22,607 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-26 00:39:22,607 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-26 00:39:22,607 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-11-26 00:39:22,607 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-11-26 00:39:22,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:39:22,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:39:22,607 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-26 00:39:22,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-26 00:39:22,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:39:22,608 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_put [2022-11-26 00:39:22,608 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_put [2022-11-26 00:39:22,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:39:22,608 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2022-11-26 00:39:22,608 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2022-11-26 00:39:22,608 INFO L130 BoogieDeclarations]: Found specification of procedure queue_max_segments [2022-11-26 00:39:22,609 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_max_segments [2022-11-26 00:39:22,609 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_check_events [2022-11-26 00:39:22,609 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_check_events [2022-11-26 00:39:22,609 INFO L130 BoogieDeclarations]: Found specification of procedure init_cdrom_command [2022-11-26 00:39:22,609 INFO L138 BoogieDeclarations]: Found implementation of procedure init_cdrom_command [2022-11-26 00:39:22,609 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-26 00:39:22,609 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-26 00:39:22,609 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_mode_sense [2022-11-26 00:39:22,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_mode_sense [2022-11-26 00:39:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-11-26 00:39:22,610 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-11-26 00:39:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_generic_packet [2022-11-26 00:39:22,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_generic_packet [2022-11-26 00:39:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-26 00:39:22,610 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-26 00:39:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-26 00:39:22,611 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-26 00:39:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_sectors [2022-11-26 00:39:22,611 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_hw_sectors [2022-11-26 00:39:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_flush_cache [2022-11-26 00:39:22,611 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_flush_cache [2022-11-26 00:39:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:39:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:39:22,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:39:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-26 00:39:22,612 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-26 00:39:23,299 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:39:23,303 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:39:23,512 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-26 00:39:23,664 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2022-11-26 00:39:23,664 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2022-11-26 00:39:25,046 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-26 00:39:25,055 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-26 00:39:25,057 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-26 00:39:25,059 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-26 00:39:25,064 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-26 00:39:25,066 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-26 00:39:25,072 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-26 00:39:27,092 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##405: assume !false; [2022-11-26 00:39:27,093 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##404: assume false; [2022-11-26 00:39:27,093 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##282: assume !false; [2022-11-26 00:39:27,093 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##281: assume false; [2022-11-26 00:39:27,093 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##214: assume !false; [2022-11-26 00:39:27,093 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##213: assume false; [2022-11-26 00:39:27,093 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##313: assume !false; [2022-11-26 00:39:27,093 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##312: assume false; [2022-11-26 00:39:27,093 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##177: assume !false; [2022-11-26 00:39:27,093 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##176: assume false; [2022-11-26 00:39:27,093 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume !false; [2022-11-26 00:39:27,094 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume false; [2022-11-26 00:39:27,094 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##153: assume !false; [2022-11-26 00:39:27,094 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##152: assume false; [2022-11-26 00:39:27,152 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:39:27,935 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:39:27,936 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-26 00:39:27,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:39:27 BoogieIcfgContainer [2022-11-26 00:39:27,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:39:27,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:39:27,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:39:27,950 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:39:27,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:39:18" (1/3) ... [2022-11-26 00:39:27,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a5d0252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:39:27, skipping insertion in model container [2022-11-26 00:39:27,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:39:21" (2/3) ... [2022-11-26 00:39:27,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a5d0252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:39:27, skipping insertion in model container [2022-11-26 00:39:27,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:39:27" (3/3) ... [2022-11-26 00:39:27,956 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-block-pktcdvd.ko.cil.out.i [2022-11-26 00:39:27,978 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:39:27,978 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:39:28,057 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:39:28,063 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;@5a2feea3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:39:28,064 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:39:28,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 942 states, 604 states have (on average 1.3609271523178808) internal successors, (822), 624 states have internal predecessors, (822), 257 states have call successors, (257), 79 states have call predecessors, (257), 79 states have return successors, (257), 254 states have call predecessors, (257), 257 states have call successors, (257) [2022-11-26 00:39:28,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-26 00:39:28,081 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:39:28,082 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:39:28,083 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:39:28,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:39:28,088 INFO L85 PathProgramCache]: Analyzing trace with hash 2076576027, now seen corresponding path program 1 times [2022-11-26 00:39:28,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:39:28,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869128354] [2022-11-26 00:39:28,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:39:28,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:39:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:39:28,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:39:28,723 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:39:28,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869128354] [2022-11-26 00:39:28,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869128354] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:39:28,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:39:28,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:39:28,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670799830] [2022-11-26 00:39:28,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:39:28,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:39:28,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:39:28,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:39:28,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:39:28,771 INFO L87 Difference]: Start difference. First operand has 942 states, 604 states have (on average 1.3609271523178808) internal successors, (822), 624 states have internal predecessors, (822), 257 states have call successors, (257), 79 states have call predecessors, (257), 79 states have return successors, (257), 254 states have call predecessors, (257), 257 states have call successors, (257) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:39:30,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:39:30,249 INFO L93 Difference]: Finished difference Result 2745 states and 3900 transitions. [2022-11-26 00:39:30,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:39:30,252 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2022-11-26 00:39:30,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:39:30,275 INFO L225 Difference]: With dead ends: 2745 [2022-11-26 00:39:30,275 INFO L226 Difference]: Without dead ends: 1810 [2022-11-26 00:39:30,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:39:30,287 INFO L413 NwaCegarLoop]: 1402 mSDtfsCounter, 1290 mSDsluCounter, 1128 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1290 SdHoareTripleChecker+Valid, 2530 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:39:30,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1290 Valid, 2530 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-26 00:39:30,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1810 states. [2022-11-26 00:39:30,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1810 to 1807. [2022-11-26 00:39:30,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1807 states, 1163 states have (on average 1.3508168529664661) internal successors, (1571), 1196 states have internal predecessors, (1571), 488 states have call successors, (488), 156 states have call predecessors, (488), 155 states have return successors, (489), 480 states have call predecessors, (489), 486 states have call successors, (489) [2022-11-26 00:39:30,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1807 states to 1807 states and 2548 transitions. [2022-11-26 00:39:30,467 INFO L78 Accepts]: Start accepts. Automaton has 1807 states and 2548 transitions. Word has length 18 [2022-11-26 00:39:30,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:39:30,468 INFO L495 AbstractCegarLoop]: Abstraction has 1807 states and 2548 transitions. [2022-11-26 00:39:30,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:39:30,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1807 states and 2548 transitions. [2022-11-26 00:39:30,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-26 00:39:30,486 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:39:30,486 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:39:30,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:39:30,491 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:39:30,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:39:30,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1985318854, now seen corresponding path program 1 times [2022-11-26 00:39:30,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:39:30,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557040298] [2022-11-26 00:39:30,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:39:30,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:39:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:39:31,016 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-26 00:39:31,016 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:39:31,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557040298] [2022-11-26 00:39:31,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557040298] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:39:31,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:39:31,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:39:31,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225959182] [2022-11-26 00:39:31,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:39:31,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:39:31,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:39:31,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:39:31,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:39:31,022 INFO L87 Difference]: Start difference. First operand 1807 states and 2548 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-26 00:39:32,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:39:32,650 INFO L93 Difference]: Finished difference Result 3580 states and 5047 transitions. [2022-11-26 00:39:32,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:39:32,651 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 107 [2022-11-26 00:39:32,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:39:32,661 INFO L225 Difference]: With dead ends: 3580 [2022-11-26 00:39:32,661 INFO L226 Difference]: Without dead ends: 1807 [2022-11-26 00:39:32,667 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 [2022-11-26 00:39:32,668 INFO L413 NwaCegarLoop]: 1157 mSDtfsCounter, 1 mSDsluCounter, 2311 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 3468 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:39:32,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3468 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-26 00:39:32,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1807 states. [2022-11-26 00:39:32,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1807 to 1807. [2022-11-26 00:39:32,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1807 states, 1163 states have (on average 1.349957007738607) internal successors, (1570), 1196 states have internal predecessors, (1570), 488 states have call successors, (488), 156 states have call predecessors, (488), 155 states have return successors, (489), 480 states have call predecessors, (489), 486 states have call successors, (489) [2022-11-26 00:39:32,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1807 states to 1807 states and 2547 transitions. [2022-11-26 00:39:32,750 INFO L78 Accepts]: Start accepts. Automaton has 1807 states and 2547 transitions. Word has length 107 [2022-11-26 00:39:32,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:39:32,750 INFO L495 AbstractCegarLoop]: Abstraction has 1807 states and 2547 transitions. [2022-11-26 00:39:32,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-26 00:39:32,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1807 states and 2547 transitions. [2022-11-26 00:39:32,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-26 00:39:32,754 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:39:32,755 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-26 00:39:32,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:39:32,755 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:39:32,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:39:32,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1766667309, now seen corresponding path program 1 times [2022-11-26 00:39:32,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:39:32,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737076147] [2022-11-26 00:39:32,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:39:32,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:39:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:39:33,127 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-26 00:39:33,128 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:39:33,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737076147] [2022-11-26 00:39:33,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737076147] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:39:33,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:39:33,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:39:33,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387780148] [2022-11-26 00:39:33,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:39:33,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:39:33,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:39:33,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:39:33,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:39:33,131 INFO L87 Difference]: Start difference. First operand 1807 states and 2547 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-26 00:39:34,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:39:34,287 INFO L93 Difference]: Finished difference Result 3656 states and 5170 transitions. [2022-11-26 00:39:34,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:39:34,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 112 [2022-11-26 00:39:34,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:39:34,298 INFO L225 Difference]: With dead ends: 3656 [2022-11-26 00:39:34,299 INFO L226 Difference]: Without dead ends: 1885 [2022-11-26 00:39:34,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:39:34,306 INFO L413 NwaCegarLoop]: 1182 mSDtfsCounter, 30 mSDsluCounter, 1159 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 2341 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:39:34,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 2341 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-26 00:39:34,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1885 states. [2022-11-26 00:39:34,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1885 to 1815. [2022-11-26 00:39:34,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1815 states, 1171 states have (on average 1.3509820666097352) internal successors, (1582), 1204 states have internal predecessors, (1582), 488 states have call successors, (488), 156 states have call predecessors, (488), 155 states have return successors, (489), 480 states have call predecessors, (489), 486 states have call successors, (489) [2022-11-26 00:39:34,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1815 states and 2559 transitions. [2022-11-26 00:39:34,384 INFO L78 Accepts]: Start accepts. Automaton has 1815 states and 2559 transitions. Word has length 112 [2022-11-26 00:39:34,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:39:34,385 INFO L495 AbstractCegarLoop]: Abstraction has 1815 states and 2559 transitions. [2022-11-26 00:39:34,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-26 00:39:34,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2559 transitions. [2022-11-26 00:39:34,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-26 00:39:34,389 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:39:34,389 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-26 00:39:34,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:39:34,390 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:39:34,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:39:34,390 INFO L85 PathProgramCache]: Analyzing trace with hash -946967980, now seen corresponding path program 1 times [2022-11-26 00:39:34,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:39:34,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556040039] [2022-11-26 00:39:34,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:39:34,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:39:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:39:35,166 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-26 00:39:35,166 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:39:35,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556040039] [2022-11-26 00:39:35,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556040039] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:39:35,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:39:35,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:39:35,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698219105] [2022-11-26 00:39:35,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:39:35,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:39:35,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:39:35,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:39:35,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:39:35,174 INFO L87 Difference]: Start difference. First operand 1815 states and 2559 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-26 00:39:37,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:39:37,161 INFO L93 Difference]: Finished difference Result 3598 states and 5073 transitions. [2022-11-26 00:39:37,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:39:37,162 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 115 [2022-11-26 00:39:37,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:39:37,172 INFO L225 Difference]: With dead ends: 3598 [2022-11-26 00:39:37,172 INFO L226 Difference]: Without dead ends: 1815 [2022-11-26 00:39:37,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:39:37,179 INFO L413 NwaCegarLoop]: 1156 mSDtfsCounter, 3 mSDsluCounter, 3461 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 4617 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:39:37,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 4617 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-26 00:39:37,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1815 states. [2022-11-26 00:39:37,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1815 to 1815. [2022-11-26 00:39:37,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1815 states, 1171 states have (on average 1.3501280956447481) internal successors, (1581), 1203 states have internal predecessors, (1581), 488 states have call successors, (488), 156 states have call predecessors, (488), 155 states have return successors, (489), 480 states have call predecessors, (489), 486 states have call successors, (489) [2022-11-26 00:39:37,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1815 states and 2558 transitions. [2022-11-26 00:39:37,255 INFO L78 Accepts]: Start accepts. Automaton has 1815 states and 2558 transitions. Word has length 115 [2022-11-26 00:39:37,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:39:37,256 INFO L495 AbstractCegarLoop]: Abstraction has 1815 states and 2558 transitions. [2022-11-26 00:39:37,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-26 00:39:37,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2558 transitions. [2022-11-26 00:39:37,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-26 00:39:37,259 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:39:37,260 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:39:37,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:39:37,260 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:39:37,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:39:37,261 INFO L85 PathProgramCache]: Analyzing trace with hash -301106840, now seen corresponding path program 1 times [2022-11-26 00:39:37,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:39:37,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606903427] [2022-11-26 00:39:37,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:39:37,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:39:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:39:37,788 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-26 00:39:37,788 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:39:37,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606903427] [2022-11-26 00:39:37,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606903427] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:39:37,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:39:37,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 00:39:37,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814190433] [2022-11-26 00:39:37,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:39:37,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:39:37,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:39:37,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:39:37,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:39:37,792 INFO L87 Difference]: Start difference. First operand 1815 states and 2558 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-26 00:39:39,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:39:39,977 INFO L93 Difference]: Finished difference Result 3624 states and 5107 transitions. [2022-11-26 00:39:39,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:39:39,978 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 138 [2022-11-26 00:39:39,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:39:39,989 INFO L225 Difference]: With dead ends: 3624 [2022-11-26 00:39:39,989 INFO L226 Difference]: Without dead ends: 1815 [2022-11-26 00:39:39,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:39:39,997 INFO L413 NwaCegarLoop]: 1154 mSDtfsCounter, 7 mSDsluCounter, 4609 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 5763 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:39:39,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 5763 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 837 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-26 00:39:40,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1815 states. [2022-11-26 00:39:40,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1815 to 1815. [2022-11-26 00:39:40,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1815 states, 1171 states have (on average 1.3492741246797608) internal successors, (1580), 1203 states have internal predecessors, (1580), 488 states have call successors, (488), 156 states have call predecessors, (488), 155 states have return successors, (489), 480 states have call predecessors, (489), 486 states have call successors, (489) [2022-11-26 00:39:40,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1815 states and 2557 transitions. [2022-11-26 00:39:40,078 INFO L78 Accepts]: Start accepts. Automaton has 1815 states and 2557 transitions. Word has length 138 [2022-11-26 00:39:40,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:39:40,079 INFO L495 AbstractCegarLoop]: Abstraction has 1815 states and 2557 transitions. [2022-11-26 00:39:40,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-26 00:39:40,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2557 transitions. [2022-11-26 00:39:40,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-26 00:39:40,086 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:39:40,086 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:39:40,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:39:40,086 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:39:40,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:39:40,087 INFO L85 PathProgramCache]: Analyzing trace with hash -2071242775, now seen corresponding path program 1 times [2022-11-26 00:39:40,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:39:40,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99899283] [2022-11-26 00:39:40,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:39:40,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:39:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:39:40,506 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-26 00:39:40,506 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:39:40,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99899283] [2022-11-26 00:39:40,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99899283] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:39:40,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:39:40,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:39:40,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132529320] [2022-11-26 00:39:40,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:39:40,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:39:40,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:39:40,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:39:40,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:39:40,509 INFO L87 Difference]: Start difference. First operand 1815 states and 2557 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-26 00:39:43,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:39:43,118 INFO L93 Difference]: Finished difference Result 6084 states and 9105 transitions. [2022-11-26 00:39:43,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:39:43,119 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 140 [2022-11-26 00:39:43,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:39:43,144 INFO L225 Difference]: With dead ends: 6084 [2022-11-26 00:39:43,144 INFO L226 Difference]: Without dead ends: 4298 [2022-11-26 00:39:43,152 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 [2022-11-26 00:39:43,154 INFO L413 NwaCegarLoop]: 2527 mSDtfsCounter, 1311 mSDsluCounter, 3799 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1568 SdHoareTripleChecker+Valid, 6326 SdHoareTripleChecker+Invalid, 958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:39:43,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1568 Valid, 6326 Invalid, 958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [258 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-26 00:39:43,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4298 states. [2022-11-26 00:39:43,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4298 to 1817. [2022-11-26 00:39:43,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1817 states, 1173 states have (on average 1.3486786018755328) internal successors, (1582), 1205 states have internal predecessors, (1582), 488 states have call successors, (488), 156 states have call predecessors, (488), 155 states have return successors, (489), 480 states have call predecessors, (489), 486 states have call successors, (489) [2022-11-26 00:39:43,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 1817 states and 2559 transitions. [2022-11-26 00:39:43,326 INFO L78 Accepts]: Start accepts. Automaton has 1817 states and 2559 transitions. Word has length 140 [2022-11-26 00:39:43,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:39:43,326 INFO L495 AbstractCegarLoop]: Abstraction has 1817 states and 2559 transitions. [2022-11-26 00:39:43,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-26 00:39:43,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 2559 transitions. [2022-11-26 00:39:43,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-26 00:39:43,330 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:39:43,331 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-26 00:39:43,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:39:43,331 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:39:43,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:39:43,332 INFO L85 PathProgramCache]: Analyzing trace with hash -731891532, now seen corresponding path program 1 times [2022-11-26 00:39:43,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:39:43,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638305697] [2022-11-26 00:39:43,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:39:43,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:39:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:39:44,710 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-26 00:39:44,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:39:44,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638305697] [2022-11-26 00:39:44,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638305697] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:39:44,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068703580] [2022-11-26 00:39:44,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:39:44,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:39:44,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc10699-f8d9-407a-840f-e0841f8f62a5/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:39:44,718 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc10699-f8d9-407a-840f-e0841f8f62a5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:39:44,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc10699-f8d9-407a-840f-e0841f8f62a5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:39:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:39:45,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 3240 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-26 00:39:45,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:39:45,885 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-26 00:39:45,887 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:39:45,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068703580] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:39:45,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:39:45,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2022-11-26 00:39:45,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733067988] [2022-11-26 00:39:45,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:39:45,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-26 00:39:45,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:39:45,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-26 00:39:45,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:39:45,891 INFO L87 Difference]: Start difference. First operand 1817 states and 2559 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 4 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-26 00:39:48,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:39:48,538 INFO L93 Difference]: Finished difference Result 3626 states and 5107 transitions. [2022-11-26 00:39:48,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:39:48,539 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 4 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 143 [2022-11-26 00:39:48,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:39:48,549 INFO L225 Difference]: With dead ends: 3626 [2022-11-26 00:39:48,549 INFO L226 Difference]: Without dead ends: 1799 [2022-11-26 00:39:48,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:39:48,556 INFO L413 NwaCegarLoop]: 1153 mSDtfsCounter, 15 mSDsluCounter, 5748 mSDsCounter, 0 mSdLazyCounter, 1004 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 6901 SdHoareTripleChecker+Invalid, 1010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:39:48,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 6901 Invalid, 1010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1004 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-26 00:39:48,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1799 states. [2022-11-26 00:39:48,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1799 to 1799. [2022-11-26 00:39:48,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1799 states, 1164 states have (on average 1.347938144329897) internal successors, (1569), 1195 states have internal predecessors, (1569), 482 states have call successors, (482), 153 states have call predecessors, (482), 152 states have return successors, (483), 474 states have call predecessors, (483), 480 states have call successors, (483) [2022-11-26 00:39:48,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1799 states and 2534 transitions. [2022-11-26 00:39:48,649 INFO L78 Accepts]: Start accepts. Automaton has 1799 states and 2534 transitions. Word has length 143 [2022-11-26 00:39:48,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:39:48,649 INFO L495 AbstractCegarLoop]: Abstraction has 1799 states and 2534 transitions. [2022-11-26 00:39:48,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 4 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-26 00:39:48,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 2534 transitions. [2022-11-26 00:39:48,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-11-26 00:39:48,653 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:39:48,654 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-11-26 00:39:48,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc10699-f8d9-407a-840f-e0841f8f62a5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:39:48,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc10699-f8d9-407a-840f-e0841f8f62a5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:39:48,866 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:39:48,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:39:48,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1378472221, now seen corresponding path program 1 times [2022-11-26 00:39:48,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:39:48,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701162985] [2022-11-26 00:39:48,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:39:48,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:39:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:39:50,157 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:39:50,158 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:39:50,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701162985] [2022-11-26 00:39:50,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701162985] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:39:50,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937312438] [2022-11-26 00:39:50,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:39:50,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:39:50,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc10699-f8d9-407a-840f-e0841f8f62a5/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:39:50,160 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc10699-f8d9-407a-840f-e0841f8f62a5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:39:50,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc10699-f8d9-407a-840f-e0841f8f62a5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:39:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:39:51,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 3354 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-26 00:39:51,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:39:51,306 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-26 00:39:51,307 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:39:51,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937312438] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:39:51,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:39:51,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2022-11-26 00:39:51,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105436527] [2022-11-26 00:39:51,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:39:51,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:39:51,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:39:51,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:39:51,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:39:51,309 INFO L87 Difference]: Start difference. First operand 1799 states and 2534 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-26 00:39:53,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:39:53,091 INFO L93 Difference]: Finished difference Result 3586 states and 5061 transitions. [2022-11-26 00:39:53,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:39:53,091 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 154 [2022-11-26 00:39:53,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:39:53,101 INFO L225 Difference]: With dead ends: 3586 [2022-11-26 00:39:53,102 INFO L226 Difference]: Without dead ends: 1807 [2022-11-26 00:39:53,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:39:53,108 INFO L413 NwaCegarLoop]: 1140 mSDtfsCounter, 12 mSDsluCounter, 2267 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 3407 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:39:53,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 3407 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-26 00:39:53,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1807 states. [2022-11-26 00:39:53,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1807 to 1805. [2022-11-26 00:39:53,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1805 states, 1169 states have (on average 1.3464499572284003) internal successors, (1574), 1201 states have internal predecessors, (1574), 482 states have call successors, (482), 153 states have call predecessors, (482), 153 states have return successors, (485), 474 states have call predecessors, (485), 480 states have call successors, (485) [2022-11-26 00:39:53,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 1805 states and 2541 transitions. [2022-11-26 00:39:53,192 INFO L78 Accepts]: Start accepts. Automaton has 1805 states and 2541 transitions. Word has length 154 [2022-11-26 00:39:53,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:39:53,193 INFO L495 AbstractCegarLoop]: Abstraction has 1805 states and 2541 transitions. [2022-11-26 00:39:53,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-26 00:39:53,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 2541 transitions. [2022-11-26 00:39:53,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-26 00:39:53,197 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:39:53,198 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-11-26 00:39:53,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc10699-f8d9-407a-840f-e0841f8f62a5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:39:53,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc10699-f8d9-407a-840f-e0841f8f62a5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-26 00:39:53,410 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:39:53,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:39:53,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1153885068, now seen corresponding path program 1 times [2022-11-26 00:39:53,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:39:53,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412250253] [2022-11-26 00:39:53,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:39:53,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:39:53,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:39:54,657 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:39:54,657 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:39:54,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412250253] [2022-11-26 00:39:54,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412250253] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:39:54,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400592476] [2022-11-26 00:39:54,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:39:54,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:39:54,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc10699-f8d9-407a-840f-e0841f8f62a5/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:39:54,659 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc10699-f8d9-407a-840f-e0841f8f62a5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:39:54,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc10699-f8d9-407a-840f-e0841f8f62a5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:39:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:39:55,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 3344 conjuncts, 95 conjunts are in the unsatisfiable core [2022-11-26 00:39:55,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:39:55,824 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:39:55,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-26 00:39:55,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:55,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-26 00:39:55,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:55,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-26 00:39:56,163 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:39:56,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-26 00:39:56,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-26 00:39:56,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-26 00:39:56,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-26 00:39:57,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-26 00:39:57,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:57,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-26 00:39:57,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:39:57,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-26 00:39:58,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-26 00:39:58,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-26 00:39:58,063 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-26 00:39:58,063 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:39:58,792 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_430 Int) (|v_pkt_ctl_ioctl_~#ctrl_cmd~0#1.base_35| Int) (v_ArrVal_431 (Array Int Int)) (|v_pkt_ctl_ioctl_~#pkt_dev~0#1.base_27| Int) (v_ArrVal_434 (Array Int Int))) (or (not (= (select (store (store |c_#valid| |c_ULTIMATE.start_pkt_init_~#__key~3#1.base| v_ArrVal_430) |v_pkt_ctl_ioctl_~#ctrl_cmd~0#1.base_35| 1) |v_pkt_ctl_ioctl_~#pkt_dev~0#1.base_27|) 0)) (= (mod (+ (select (select (store |c_#memory_$Pointer$.offset| |v_pkt_ctl_ioctl_~#pkt_dev~0#1.base_27| v_ArrVal_434) |c_~#pkt_devs~0.base|) |c_~#pkt_devs~0.offset|) (select (select (store |c_#memory_$Pointer$.base| |v_pkt_ctl_ioctl_~#pkt_dev~0#1.base_27| v_ArrVal_431) |c_~#pkt_devs~0.base|) |c_~#pkt_devs~0.offset|)) 18446744073709551616) 0))) is different from false [2022-11-26 00:39:58,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400592476] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:39:58,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [45248561] [2022-11-26 00:39:58,849 INFO L159 IcfgInterpreter]: Started Sifa with 139 locations of interest [2022-11-26 00:39:58,849 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:39:58,855 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:39:58,860 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:39:58,861 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:40:04,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:04,429 INFO L217 Elim1Store]: Index analysis took 377 ms [2022-11-26 00:40:21,439 WARN L233 SmtUtils]: Spent 16.95s on a formula simplification. DAG size of input: 1668 DAG size of output: 1091 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:40:21,444 INFO L321 Elim1Store]: treesize reduction 1894, result has 46.1 percent of original size [2022-11-26 00:40:21,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 186 select indices, 186 select index equivalence classes, 17207 disjoint index pairs (out of 17205 index pairs), introduced 186 new quantified variables, introduced 185 case distinctions, treesize of input 937 treesize of output 2190 [2022-11-26 00:40:24,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 204 treesize of output 169 [2022-11-26 00:40:25,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:26,207 INFO L217 Elim1Store]: Index analysis took 705 ms [2022-11-26 00:40:51,301 WARN L233 SmtUtils]: Spent 25.05s on a formula simplification. DAG size of input: 2040 DAG size of output: 1113 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:40:51,304 INFO L321 Elim1Store]: treesize reduction 3330, result has 33.3 percent of original size [2022-11-26 00:40:51,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 188 select indices, 188 select index equivalence classes, 17393 disjoint index pairs (out of 17578 index pairs), introduced 188 new quantified variables, introduced 370 case distinctions, treesize of input 947 treesize of output 2245 [2022-11-26 00:40:54,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 173 [2022-11-26 00:40:55,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 40 select indices, 40 select index equivalence classes, 820 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 0 case distinctions, treesize of input 1681 treesize of output 1406 [2022-11-26 00:41:25,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:25,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 188 select indices, 188 select index equivalence classes, 17578 disjoint index pairs (out of 17578 index pairs), introduced 188 new quantified variables, introduced 0 case distinctions, treesize of input 941 treesize of output 565 [2022-11-26 00:41:27,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:27,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 187 select indices, 187 select index equivalence classes, 17392 disjoint index pairs (out of 17391 index pairs), introduced 187 new quantified variables, introduced 0 case distinctions, treesize of input 936 treesize of output 562 [2022-11-26 00:41:52,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:52,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 188 select indices, 188 select index equivalence classes, 17578 disjoint index pairs (out of 17578 index pairs), introduced 188 new quantified variables, introduced 0 case distinctions, treesize of input 941 treesize of output 565 [2022-11-26 00:41:55,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:55,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 187 select indices, 187 select index equivalence classes, 17392 disjoint index pairs (out of 17391 index pairs), introduced 187 new quantified variables, introduced 0 case distinctions, treesize of input 936 treesize of output 562 [2022-11-26 00:42:23,251 INFO L197 IcfgInterpreter]: Interpreting procedure mempool_create_kmalloc_pool with input of size 3457 for LOIs [2022-11-26 00:43:59,308 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 3455 for LOIs [2022-11-26 00:44:35,793 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:48:18,407 WARN L233 SmtUtils]: Spent 3.68m on a formula simplification. DAG size of input: 3483 DAG size of output: 3133 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:49:38,236 WARN L233 SmtUtils]: Spent 1.29m on a formula simplification that was a NOOP. DAG size: 3457 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:51:00,867 WARN L233 SmtUtils]: Spent 1.33m on a formula simplification that was a NOOP. DAG size: 3500 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:52:20,886 WARN L233 SmtUtils]: Spent 1.29m on a formula simplification that was a NOOP. DAG size: 3455 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)