./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5c8407b01b6fe267e548d9a1140b4b401c355e8b9b48d0e3e8bb3d2d9d4dce8c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 18:43:41,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:43:41,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:43:41,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:43:41,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:43:41,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:43:41,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:43:41,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:43:41,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:43:41,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:43:41,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:43:41,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:43:41,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:43:41,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:43:41,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:43:41,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:43:41,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:43:41,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:43:41,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:43:41,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:43:41,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:43:41,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:43:41,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:43:41,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:43:41,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:43:41,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:43:41,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:43:41,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:43:41,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:43:41,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:43:41,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:43:41,263 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:43:41,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:43:41,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:43:41,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:43:41,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:43:41,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:43:41,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:43:41,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:43:41,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:43:41,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:43:41,267 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 18:43:41,282 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:43:41,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:43:41,282 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:43:41,282 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:43:41,282 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:43:41,283 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:43:41,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:43:41,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:43:41,288 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:43:41,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:43:41,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:43:41,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:43:41,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:43:41,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:43:41,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:43:41,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:43:41,289 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:43:41,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:43:41,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:43:41,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:43:41,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:43:41,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:43:41,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:43:41,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:43:41,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:43:41,290 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:43:41,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:43:41,290 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:43:41,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:43:41,291 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:43:41,291 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:43:41,291 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:43:41,291 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c8407b01b6fe267e548d9a1140b4b401c355e8b9b48d0e3e8bb3d2d9d4dce8c [2022-12-13 18:43:41,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:43:41,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:43:41,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:43:41,475 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:43:41,475 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:43:41,476 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i [2022-12-13 18:43:43,967 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:43:44,336 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:43:44,337 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i [2022-12-13 18:43:44,365 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/data/c7619e55f/8caf2ece0ea54a0abf746b7660afbe5f/FLAG7f5807005 [2022-12-13 18:43:44,375 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/data/c7619e55f/8caf2ece0ea54a0abf746b7660afbe5f [2022-12-13 18:43:44,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:43:44,378 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:43:44,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:43:44,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:43:44,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:43:44,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:43:44" (1/1) ... [2022-12-13 18:43:44,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b2abd9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:43:44, skipping insertion in model container [2022-12-13 18:43:44,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:43:44" (1/1) ... [2022-12-13 18:43:44,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:43:44,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:43:45,035 WARN L623 FunctionHandler]: Unknown extern function __bread_gfp [2022-12-13 18:43:45,043 WARN L623 FunctionHandler]: Unknown extern function __getblk_gfp [2022-12-13 18:43:45,050 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 18:43:45,052 WARN L623 FunctionHandler]: Unknown extern function __wait_on_buffer [2022-12-13 18:43:45,096 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,101 WARN L623 FunctionHandler]: Unknown extern function ll_rw_block [2022-12-13 18:43:45,104 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,118 WARN L623 FunctionHandler]: Unknown extern function ll_rw_block [2022-12-13 18:43:45,122 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:45,123 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:45,124 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:45,131 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 18:43:45,179 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 18:43:45,188 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 18:43:45,262 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 18:43:45,262 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 18:43:45,263 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 18:43:45,263 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 18:43:45,267 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 18:43:45,268 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 18:43:45,269 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 18:43:45,269 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 18:43:45,269 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 18:43:45,271 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,271 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:45,273 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 18:43:45,275 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:45,275 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:45,276 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:45,276 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:45,277 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:45,278 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:45,279 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:45,280 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 18:43:45,280 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 18:43:45,281 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 18:43:45,282 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:45,283 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:45,284 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:45,289 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,296 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:45,296 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:45,296 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:45,296 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:45,297 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 18:43:45,354 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,362 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,363 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:45,370 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:45,370 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:45,371 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:45,400 WARN L623 FunctionHandler]: Unknown extern function default_llseek [2022-12-13 18:43:45,401 WARN L623 FunctionHandler]: Unknown extern function generic_read_dir [2022-12-13 18:43:45,426 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,427 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,433 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,434 WARN L623 FunctionHandler]: Unknown extern function d_obtain_alias [2022-12-13 18:43:45,450 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,451 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:45,513 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 18:43:45,518 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 18:43:45,582 WARN L623 FunctionHandler]: Unknown extern function pagecache_get_page [2022-12-13 18:43:45,601 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,603 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,610 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,611 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:45,612 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,613 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,624 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:45,625 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:45,626 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:45,626 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:45,638 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,639 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,642 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,648 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,656 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,657 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_408 [2022-12-13 18:43:45,658 WARN L623 FunctionHandler]: Unknown extern function unlock_page [2022-12-13 18:43:45,658 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-13 18:43:45,664 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:45,681 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,683 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_491 [2022-12-13 18:43:45,683 WARN L623 FunctionHandler]: Unknown extern function unlock_page [2022-12-13 18:43:45,700 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:45,711 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,712 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:45,730 WARN L623 FunctionHandler]: Unknown extern function make_kuid [2022-12-13 18:43:45,734 WARN L623 FunctionHandler]: Unknown extern function make_kgid [2022-12-13 18:43:45,774 WARN L623 FunctionHandler]: Unknown extern function iget_locked [2022-12-13 18:43:45,775 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,775 WARN L623 FunctionHandler]: Unknown extern function iget_failed [2022-12-13 18:43:45,775 WARN L623 FunctionHandler]: Unknown extern function unlock_new_inode [2022-12-13 18:43:45,778 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,780 WARN L623 FunctionHandler]: Unknown extern function set_nlink [2022-12-13 18:43:45,782 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,783 WARN L623 FunctionHandler]: Unknown extern function set_nlink [2022-12-13 18:43:45,785 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,785 WARN L623 FunctionHandler]: Unknown extern function set_nlink [2022-12-13 18:43:45,787 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,788 WARN L623 FunctionHandler]: Unknown extern function set_nlink [2022-12-13 18:43:45,789 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,791 WARN L623 FunctionHandler]: Unknown extern function set_nlink [2022-12-13 18:43:45,792 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,793 WARN L623 FunctionHandler]: Unknown extern function set_nlink [2022-12-13 18:43:45,793 WARN L623 FunctionHandler]: Unknown extern function init_special_inode [2022-12-13 18:43:45,794 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,795 WARN L623 FunctionHandler]: Unknown extern function set_nlink [2022-12-13 18:43:45,795 WARN L623 FunctionHandler]: Unknown extern function init_special_inode [2022-12-13 18:43:45,796 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,797 WARN L623 FunctionHandler]: Unknown extern function set_nlink [2022-12-13 18:43:45,797 WARN L623 FunctionHandler]: Unknown extern function init_special_inode [2022-12-13 18:43:45,798 WARN L623 FunctionHandler]: Unknown extern function set_nlink [2022-12-13 18:43:45,798 WARN L623 FunctionHandler]: Unknown extern function init_special_inode [2022-12-13 18:43:45,798 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:45,799 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:45,821 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,822 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:45,822 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-13 18:43:45,824 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:45,829 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,830 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:45,832 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-12-13 18:43:45,833 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:45,833 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:45,834 WARN L623 FunctionHandler]: Unknown extern function d_splice_alias [2022-12-13 18:43:45,834 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:45,834 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:46,039 WARN L623 FunctionHandler]: Unknown extern function __insert_inode_hash [2022-12-13 18:43:46,080 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:46,081 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:46,081 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:46,081 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:46,087 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:46,088 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:46,088 WARN L623 FunctionHandler]: Unknown extern function sb_min_blocksize [2022-12-13 18:43:46,088 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 18:43:46,089 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:46,089 WARN L623 FunctionHandler]: Unknown extern function bdevname [2022-12-13 18:43:46,089 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:46,090 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:46,091 WARN L623 FunctionHandler]: Unknown extern function bdevname [2022-12-13 18:43:46,092 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:46,092 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:46,093 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:46,094 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:46,095 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:46,095 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:46,096 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:46,097 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:46,097 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:46,098 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:46,099 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:46,099 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:46,100 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:46,101 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:46,102 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:46,103 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:46,104 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:46,105 WARN L623 FunctionHandler]: Unknown extern function new_inode [2022-12-13 18:43:46,105 WARN L623 FunctionHandler]: Unknown extern function make_bad_inode [2022-12-13 18:43:46,105 WARN L623 FunctionHandler]: Unknown extern function iput [2022-12-13 18:43:46,105 WARN L623 FunctionHandler]: Unknown extern function d_make_root [2022-12-13 18:43:46,106 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:46,106 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:46,106 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:46,107 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:46,107 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:46,107 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:46,107 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:46,107 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:46,107 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:46,113 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:46,118 WARN L623 FunctionHandler]: Unknown extern function sync_filesystem [2022-12-13 18:43:46,122 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:46,123 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:46,123 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:46,123 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:46,123 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:46,123 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:46,128 WARN L623 FunctionHandler]: Unknown extern function mount_bdev [2022-12-13 18:43:46,132 WARN L623 FunctionHandler]: Unknown extern function inode_init_once [2022-12-13 18:43:46,136 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_create [2022-12-13 18:43:46,141 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_destroy [2022-12-13 18:43:46,145 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:46,158 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-12-13 18:43:46,413 WARN L623 FunctionHandler]: Unknown extern function kill_block_super [2022-12-13 18:43:46,427 WARN L623 FunctionHandler]: Unknown extern function register_filesystem [2022-12-13 18:43:46,427 WARN L623 FunctionHandler]: Unknown extern function unregister_filesystem [2022-12-13 18:43:46,432 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 18:43:46,437 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 18:43:46,474 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:46,474 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:46,475 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:46,476 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_100 [2022-12-13 18:43:46,476 WARN L623 FunctionHandler]: Unknown extern function unlock_page [2022-12-13 18:43:46,476 WARN L623 FunctionHandler]: Unknown extern function unlock_page [2022-12-13 18:43:46,477 WARN L623 FunctionHandler]: Unknown extern function page_put_link [2022-12-13 18:43:46,477 WARN L623 FunctionHandler]: Unknown extern function generic_readlink [2022-12-13 18:43:46,478 WARN L623 FunctionHandler]: Unknown extern function page_follow_link_light [2022-12-13 18:43:46,478 WARN L623 FunctionHandler]: Unknown extern function generic_getxattr [2022-12-13 18:43:46,497 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:46,498 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:46,498 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:46,499 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:46,515 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:46,516 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 18:43:46,516 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:46,517 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:46,517 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:46,538 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-12-13 18:43:46,539 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:46,553 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 18:43:46,570 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:46,571 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:46,596 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:46,601 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 18:43:46,601 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:46,601 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:46,606 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 18:43:46,606 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 18:43:46,606 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:46,611 WARN L623 FunctionHandler]: Unknown extern function lz4_decompress_unknownoutputsize [2022-12-13 18:43:46,634 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 18:43:46,634 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:46,634 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:46,639 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 18:43:46,639 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 18:43:46,639 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:46,644 WARN L623 FunctionHandler]: Unknown extern function lzo1x_decompress_safe [2022-12-13 18:43:46,676 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:46,681 WARN L623 FunctionHandler]: Unknown extern function xz_dec_init [2022-12-13 18:43:46,681 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:46,681 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:46,686 WARN L623 FunctionHandler]: Unknown extern function xz_dec_end [2022-12-13 18:43:46,686 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:46,690 WARN L623 FunctionHandler]: Unknown extern function xz_dec_reset [2022-12-13 18:43:46,692 WARN L623 FunctionHandler]: Unknown extern function xz_dec_run [2022-12-13 18:43:46,722 WARN L623 FunctionHandler]: Unknown extern function zlib_inflate_workspacesize [2022-12-13 18:43:46,723 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:46,723 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:46,727 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 18:43:46,728 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:46,733 WARN L623 FunctionHandler]: Unknown extern function zlib_inflateInit2 [2022-12-13 18:43:46,733 WARN L623 FunctionHandler]: Unknown extern function zlib_inflate [2022-12-13 18:43:46,734 WARN L623 FunctionHandler]: Unknown extern function zlib_inflateEnd [2022-12-13 18:43:47,155 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 18:43:47,395 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 18:43:47,847 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479065,479078] [2022-12-13 18:43:47,850 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479210,479223] [2022-12-13 18:43:47,850 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479356,479369] [2022-12-13 18:43:47,850 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479521,479534] [2022-12-13 18:43:47,851 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479679,479692] [2022-12-13 18:43:47,851 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479837,479850] [2022-12-13 18:43:47,851 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479995,480008] [2022-12-13 18:43:47,852 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480155,480168] [2022-12-13 18:43:47,852 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480314,480327] [2022-12-13 18:43:47,852 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480453,480466] [2022-12-13 18:43:47,852 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480595,480608] [2022-12-13 18:43:47,853 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480744,480757] [2022-12-13 18:43:47,853 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480883,480896] [2022-12-13 18:43:47,853 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481038,481051] [2022-12-13 18:43:47,853 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481198,481211] [2022-12-13 18:43:47,854 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481349,481362] [2022-12-13 18:43:47,854 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481500,481513] [2022-12-13 18:43:47,854 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481652,481665] [2022-12-13 18:43:47,854 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481801,481814] [2022-12-13 18:43:47,855 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481949,481962] [2022-12-13 18:43:47,855 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482106,482119] [2022-12-13 18:43:47,855 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482255,482268] [2022-12-13 18:43:47,855 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482411,482424] [2022-12-13 18:43:47,856 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482564,482577] [2022-12-13 18:43:47,856 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482710,482723] [2022-12-13 18:43:47,856 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482853,482866] [2022-12-13 18:43:47,856 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483005,483018] [2022-12-13 18:43:47,857 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483151,483164] [2022-12-13 18:43:47,857 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483296,483309] [2022-12-13 18:43:47,857 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483450,483463] [2022-12-13 18:43:47,857 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483601,483614] [2022-12-13 18:43:47,858 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483756,483769] [2022-12-13 18:43:47,858 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483908,483921] [2022-12-13 18:43:47,858 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484063,484076] [2022-12-13 18:43:47,858 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484227,484240] [2022-12-13 18:43:47,859 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484383,484396] [2022-12-13 18:43:47,859 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484547,484560] [2022-12-13 18:43:47,859 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484689,484702] [2022-12-13 18:43:47,859 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484847,484860] [2022-12-13 18:43:47,860 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485014,485027] [2022-12-13 18:43:47,860 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485173,485186] [2022-12-13 18:43:47,860 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485332,485345] [2022-12-13 18:43:47,860 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485481,485494] [2022-12-13 18:43:47,861 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485628,485641] [2022-12-13 18:43:47,861 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485767,485780] [2022-12-13 18:43:47,861 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485930,485943] [2022-12-13 18:43:47,861 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486096,486109] [2022-12-13 18:43:47,862 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486260,486273] [2022-12-13 18:43:47,862 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486425,486438] [2022-12-13 18:43:47,862 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486590,486603] [2022-12-13 18:43:47,862 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486756,486769] [2022-12-13 18:43:47,863 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486921,486934] [2022-12-13 18:43:47,863 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487088,487101] [2022-12-13 18:43:47,863 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487248,487261] [2022-12-13 18:43:47,863 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487410,487423] [2022-12-13 18:43:47,864 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487569,487582] [2022-12-13 18:43:47,864 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487715,487728] [2022-12-13 18:43:47,864 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487858,487871] [2022-12-13 18:43:47,864 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488002,488015] [2022-12-13 18:43:47,865 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488145,488158] [2022-12-13 18:43:47,865 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488289,488302] [2022-12-13 18:43:47,865 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488430,488443] [2022-12-13 18:43:47,865 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488568,488581] [2022-12-13 18:43:47,866 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488726,488739] [2022-12-13 18:43:47,866 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488885,488898] [2022-12-13 18:43:47,866 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489041,489054] [2022-12-13 18:43:47,866 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489190,489203] [2022-12-13 18:43:47,866 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489342,489355] [2022-12-13 18:43:47,867 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489493,489506] [2022-12-13 18:43:47,867 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489642,489655] [2022-12-13 18:43:47,867 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489794,489807] [2022-12-13 18:43:47,867 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489942,489955] [2022-12-13 18:43:47,868 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490095,490108] [2022-12-13 18:43:47,868 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490246,490259] [2022-12-13 18:43:47,868 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490396,490409] [2022-12-13 18:43:47,868 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490543,490556] [2022-12-13 18:43:47,869 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490694,490707] [2022-12-13 18:43:47,869 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490845,490858] [2022-12-13 18:43:47,869 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490993,491006] [2022-12-13 18:43:47,869 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491159,491172] [2022-12-13 18:43:47,870 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491328,491341] [2022-12-13 18:43:47,870 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491495,491508] [2022-12-13 18:43:47,870 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491663,491676] [2022-12-13 18:43:47,870 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491813,491826] [2022-12-13 18:43:47,871 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491960,491973] [2022-12-13 18:43:47,871 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[492121,492134] [2022-12-13 18:43:47,871 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[492291,492304] [2022-12-13 18:43:47,871 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[492453,492466] [2022-12-13 18:43:47,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:43:47,905 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:43:47,959 WARN L623 FunctionHandler]: Unknown extern function __bread_gfp [2022-12-13 18:43:47,959 WARN L623 FunctionHandler]: Unknown extern function __getblk_gfp [2022-12-13 18:43:47,960 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 18:43:47,960 WARN L623 FunctionHandler]: Unknown extern function __wait_on_buffer [2022-12-13 18:43:47,965 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:47,966 WARN L623 FunctionHandler]: Unknown extern function ll_rw_block [2022-12-13 18:43:47,967 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:47,968 WARN L623 FunctionHandler]: Unknown extern function ll_rw_block [2022-12-13 18:43:47,969 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:47,970 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:47,970 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:47,971 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 18:43:47,971 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 18:43:47,972 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 18:43:47,973 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 18:43:47,974 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 18:43:47,974 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 18:43:47,974 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 18:43:47,976 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 18:43:47,976 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 18:43:47,976 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 18:43:47,977 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 18:43:47,977 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 18:43:47,977 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:47,978 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:47,978 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 18:43:47,979 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:47,979 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:47,980 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:47,980 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:47,980 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:47,981 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:47,981 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:47,982 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 18:43:47,982 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 18:43:47,982 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 18:43:47,983 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:47,983 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:47,984 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:47,986 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:47,988 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:47,988 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:47,988 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:47,988 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:47,989 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 18:43:47,991 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:47,993 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:47,993 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:47,998 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:47,998 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:47,998 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,000 WARN L623 FunctionHandler]: Unknown extern function default_llseek [2022-12-13 18:43:48,001 WARN L623 FunctionHandler]: Unknown extern function generic_read_dir [2022-12-13 18:43:48,002 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,003 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,004 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,004 WARN L623 FunctionHandler]: Unknown extern function d_obtain_alias [2022-12-13 18:43:48,007 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,007 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,008 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 18:43:48,009 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 18:43:48,010 WARN L623 FunctionHandler]: Unknown extern function pagecache_get_page [2022-12-13 18:43:48,011 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,012 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,014 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,014 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,015 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,015 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,017 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,017 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,018 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,018 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,020 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,021 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,023 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,024 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,027 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,028 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_408 [2022-12-13 18:43:48,028 WARN L623 FunctionHandler]: Unknown extern function unlock_page [2022-12-13 18:43:48,029 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-13 18:43:48,030 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,034 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,035 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_491 [2022-12-13 18:43:48,035 WARN L623 FunctionHandler]: Unknown extern function unlock_page [2022-12-13 18:43:48,037 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,050 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,050 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,051 WARN L623 FunctionHandler]: Unknown extern function make_kuid [2022-12-13 18:43:48,051 WARN L623 FunctionHandler]: Unknown extern function make_kgid [2022-12-13 18:43:48,052 WARN L623 FunctionHandler]: Unknown extern function iget_locked [2022-12-13 18:43:48,053 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,053 WARN L623 FunctionHandler]: Unknown extern function iget_failed [2022-12-13 18:43:48,054 WARN L623 FunctionHandler]: Unknown extern function unlock_new_inode [2022-12-13 18:43:48,056 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,057 WARN L623 FunctionHandler]: Unknown extern function set_nlink [2022-12-13 18:43:48,059 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,060 WARN L623 FunctionHandler]: Unknown extern function set_nlink [2022-12-13 18:43:48,062 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,063 WARN L623 FunctionHandler]: Unknown extern function set_nlink [2022-12-13 18:43:48,065 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,065 WARN L623 FunctionHandler]: Unknown extern function set_nlink [2022-12-13 18:43:48,068 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,068 WARN L623 FunctionHandler]: Unknown extern function set_nlink [2022-12-13 18:43:48,070 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,070 WARN L623 FunctionHandler]: Unknown extern function set_nlink [2022-12-13 18:43:48,070 WARN L623 FunctionHandler]: Unknown extern function init_special_inode [2022-12-13 18:43:48,071 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,072 WARN L623 FunctionHandler]: Unknown extern function set_nlink [2022-12-13 18:43:48,072 WARN L623 FunctionHandler]: Unknown extern function init_special_inode [2022-12-13 18:43:48,073 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,073 WARN L623 FunctionHandler]: Unknown extern function set_nlink [2022-12-13 18:43:48,073 WARN L623 FunctionHandler]: Unknown extern function init_special_inode [2022-12-13 18:43:48,075 WARN L623 FunctionHandler]: Unknown extern function set_nlink [2022-12-13 18:43:48,075 WARN L623 FunctionHandler]: Unknown extern function init_special_inode [2022-12-13 18:43:48,075 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,076 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,077 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,078 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,078 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-13 18:43:48,079 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,080 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,080 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,083 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-12-13 18:43:48,084 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,085 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,085 WARN L623 FunctionHandler]: Unknown extern function d_splice_alias [2022-12-13 18:43:48,085 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,085 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,087 WARN L623 FunctionHandler]: Unknown extern function __insert_inode_hash [2022-12-13 18:43:48,087 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,088 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,088 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,088 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,090 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,090 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,090 WARN L623 FunctionHandler]: Unknown extern function sb_min_blocksize [2022-12-13 18:43:48,091 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 18:43:48,091 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,091 WARN L623 FunctionHandler]: Unknown extern function bdevname [2022-12-13 18:43:48,091 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,093 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,094 WARN L623 FunctionHandler]: Unknown extern function bdevname [2022-12-13 18:43:48,095 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,095 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,096 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,096 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,097 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,097 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,098 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,098 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,099 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,099 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,100 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,100 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,101 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,103 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,103 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,104 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,135 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,136 WARN L623 FunctionHandler]: Unknown extern function new_inode [2022-12-13 18:43:48,137 WARN L623 FunctionHandler]: Unknown extern function make_bad_inode [2022-12-13 18:43:48,137 WARN L623 FunctionHandler]: Unknown extern function iput [2022-12-13 18:43:48,137 WARN L623 FunctionHandler]: Unknown extern function d_make_root [2022-12-13 18:43:48,138 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,139 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,139 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,139 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,140 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,140 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,140 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,140 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,141 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,143 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,145 WARN L623 FunctionHandler]: Unknown extern function sync_filesystem [2022-12-13 18:43:48,146 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,146 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,146 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,146 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,147 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,147 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,147 WARN L623 FunctionHandler]: Unknown extern function mount_bdev [2022-12-13 18:43:48,148 WARN L623 FunctionHandler]: Unknown extern function inode_init_once [2022-12-13 18:43:48,148 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_create [2022-12-13 18:43:48,149 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_destroy [2022-12-13 18:43:48,149 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,151 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-12-13 18:43:48,159 WARN L623 FunctionHandler]: Unknown extern function kill_block_super [2022-12-13 18:43:48,178 WARN L623 FunctionHandler]: Unknown extern function register_filesystem [2022-12-13 18:43:48,178 WARN L623 FunctionHandler]: Unknown extern function unregister_filesystem [2022-12-13 18:43:48,180 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 18:43:48,181 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 18:43:48,187 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,188 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,188 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,190 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_100 [2022-12-13 18:43:48,190 WARN L623 FunctionHandler]: Unknown extern function unlock_page [2022-12-13 18:43:48,190 WARN L623 FunctionHandler]: Unknown extern function unlock_page [2022-12-13 18:43:48,192 WARN L623 FunctionHandler]: Unknown extern function page_put_link [2022-12-13 18:43:48,192 WARN L623 FunctionHandler]: Unknown extern function generic_readlink [2022-12-13 18:43:48,193 WARN L623 FunctionHandler]: Unknown extern function page_follow_link_light [2022-12-13 18:43:48,201 WARN L623 FunctionHandler]: Unknown extern function generic_getxattr [2022-12-13 18:43:48,205 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,206 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,207 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,210 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,212 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,212 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 18:43:48,213 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,214 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,217 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,224 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-12-13 18:43:48,226 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,229 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 18:43:48,236 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,237 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 18:43:48,238 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,239 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 18:43:48,239 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,240 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,240 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 18:43:48,240 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 18:43:48,240 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,241 WARN L623 FunctionHandler]: Unknown extern function lz4_decompress_unknownoutputsize [2022-12-13 18:43:48,244 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 18:43:48,244 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,244 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,245 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 18:43:48,245 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 18:43:48,245 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,246 WARN L623 FunctionHandler]: Unknown extern function lzo1x_decompress_safe [2022-12-13 18:43:48,248 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,249 WARN L623 FunctionHandler]: Unknown extern function xz_dec_init [2022-12-13 18:43:48,249 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,249 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,250 WARN L623 FunctionHandler]: Unknown extern function xz_dec_end [2022-12-13 18:43:48,251 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,251 WARN L623 FunctionHandler]: Unknown extern function xz_dec_reset [2022-12-13 18:43:48,253 WARN L623 FunctionHandler]: Unknown extern function xz_dec_run [2022-12-13 18:43:48,255 WARN L623 FunctionHandler]: Unknown extern function zlib_inflate_workspacesize [2022-12-13 18:43:48,255 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 18:43:48,256 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,256 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 18:43:48,256 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:43:48,258 WARN L623 FunctionHandler]: Unknown extern function zlib_inflateInit2 [2022-12-13 18:43:48,258 WARN L623 FunctionHandler]: Unknown extern function zlib_inflate [2022-12-13 18:43:48,259 WARN L623 FunctionHandler]: Unknown extern function zlib_inflateEnd [2022-12-13 18:43:48,273 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 18:43:48,278 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 18:43:48,293 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479065,479078] [2022-12-13 18:43:48,293 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479210,479223] [2022-12-13 18:43:48,294 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479356,479369] [2022-12-13 18:43:48,294 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479521,479534] [2022-12-13 18:43:48,294 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479679,479692] [2022-12-13 18:43:48,294 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479837,479850] [2022-12-13 18:43:48,294 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479995,480008] [2022-12-13 18:43:48,295 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480155,480168] [2022-12-13 18:43:48,295 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480314,480327] [2022-12-13 18:43:48,295 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480453,480466] [2022-12-13 18:43:48,295 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480595,480608] [2022-12-13 18:43:48,296 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480744,480757] [2022-12-13 18:43:48,296 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480883,480896] [2022-12-13 18:43:48,296 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481038,481051] [2022-12-13 18:43:48,296 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481198,481211] [2022-12-13 18:43:48,297 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481349,481362] [2022-12-13 18:43:48,297 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481500,481513] [2022-12-13 18:43:48,297 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481652,481665] [2022-12-13 18:43:48,297 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481801,481814] [2022-12-13 18:43:48,297 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481949,481962] [2022-12-13 18:43:48,298 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482106,482119] [2022-12-13 18:43:48,298 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482255,482268] [2022-12-13 18:43:48,298 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482411,482424] [2022-12-13 18:43:48,298 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482564,482577] [2022-12-13 18:43:48,299 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482710,482723] [2022-12-13 18:43:48,299 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482853,482866] [2022-12-13 18:43:48,299 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483005,483018] [2022-12-13 18:43:48,299 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483151,483164] [2022-12-13 18:43:48,300 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483296,483309] [2022-12-13 18:43:48,300 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483450,483463] [2022-12-13 18:43:48,300 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483601,483614] [2022-12-13 18:43:48,300 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483756,483769] [2022-12-13 18:43:48,300 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483908,483921] [2022-12-13 18:43:48,301 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484063,484076] [2022-12-13 18:43:48,301 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484227,484240] [2022-12-13 18:43:48,301 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484383,484396] [2022-12-13 18:43:48,301 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484547,484560] [2022-12-13 18:43:48,302 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484689,484702] [2022-12-13 18:43:48,302 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484847,484860] [2022-12-13 18:43:48,302 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485014,485027] [2022-12-13 18:43:48,302 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485173,485186] [2022-12-13 18:43:48,302 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485332,485345] [2022-12-13 18:43:48,303 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485481,485494] [2022-12-13 18:43:48,303 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485628,485641] [2022-12-13 18:43:48,303 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485767,485780] [2022-12-13 18:43:48,303 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485930,485943] [2022-12-13 18:43:48,304 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486096,486109] [2022-12-13 18:43:48,304 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486260,486273] [2022-12-13 18:43:48,304 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486425,486438] [2022-12-13 18:43:48,304 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486590,486603] [2022-12-13 18:43:48,304 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486756,486769] [2022-12-13 18:43:48,305 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486921,486934] [2022-12-13 18:43:48,305 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487088,487101] [2022-12-13 18:43:48,305 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487248,487261] [2022-12-13 18:43:48,305 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487410,487423] [2022-12-13 18:43:48,306 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487569,487582] [2022-12-13 18:43:48,306 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487715,487728] [2022-12-13 18:43:48,306 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487858,487871] [2022-12-13 18:43:48,306 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488002,488015] [2022-12-13 18:43:48,306 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488145,488158] [2022-12-13 18:43:48,307 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488289,488302] [2022-12-13 18:43:48,307 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488430,488443] [2022-12-13 18:43:48,307 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488568,488581] [2022-12-13 18:43:48,307 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488726,488739] [2022-12-13 18:43:48,307 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488885,488898] [2022-12-13 18:43:48,308 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489041,489054] [2022-12-13 18:43:48,308 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489190,489203] [2022-12-13 18:43:48,308 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489342,489355] [2022-12-13 18:43:48,308 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489493,489506] [2022-12-13 18:43:48,309 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489642,489655] [2022-12-13 18:43:48,317 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489794,489807] [2022-12-13 18:43:48,318 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489942,489955] [2022-12-13 18:43:48,318 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490095,490108] [2022-12-13 18:43:48,318 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490246,490259] [2022-12-13 18:43:48,318 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490396,490409] [2022-12-13 18:43:48,318 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490543,490556] [2022-12-13 18:43:48,319 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490694,490707] [2022-12-13 18:43:48,319 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490845,490858] [2022-12-13 18:43:48,319 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490993,491006] [2022-12-13 18:43:48,319 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491159,491172] [2022-12-13 18:43:48,320 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491328,491341] [2022-12-13 18:43:48,320 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491495,491508] [2022-12-13 18:43:48,320 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491663,491676] [2022-12-13 18:43:48,320 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491813,491826] [2022-12-13 18:43:48,320 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491960,491973] [2022-12-13 18:43:48,321 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[492121,492134] [2022-12-13 18:43:48,321 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[492291,492304] [2022-12-13 18:43:48,321 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_f3dd06c3-9c4b-4194-bc14-5f52e2008348/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[492453,492466] [2022-12-13 18:43:48,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:43:48,466 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:43:48,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:43:48 WrapperNode [2022-12-13 18:43:48,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:43:48,467 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:43:48,467 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:43:48,467 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:43:48,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:43:48" (1/1) ... [2022-12-13 18:43:48,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:43:48" (1/1) ... [2022-12-13 18:43:48,698 INFO L138 Inliner]: procedures = 716, calls = 4122, calls flagged for inlining = 351, calls inlined = 253, statements flattened = 8119 [2022-12-13 18:43:48,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:43:48,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:43:48,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:43:48,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:43:48,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:43:48" (1/1) ... [2022-12-13 18:43:48,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:43:48" (1/1) ... [2022-12-13 18:43:48,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:43:48" (1/1) ... [2022-12-13 18:43:48,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:43:48" (1/1) ... [2022-12-13 18:43:48,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:43:48" (1/1) ... [2022-12-13 18:43:48,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:43:48" (1/1) ... [2022-12-13 18:43:48,880 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:43:48" (1/1) ... [2022-12-13 18:43:48,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:43:48" (1/1) ... [2022-12-13 18:43:48,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:43:48,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:43:48,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:43:48,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:43:48,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:43:48" (1/1) ... [2022-12-13 18:43:48,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:43:48,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:43:48,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:43:48,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:43:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure put_bh___2 [2022-12-13 18:43:48,978 INFO L138 BoogieDeclarations]: Found implementation of procedure put_bh___2 [2022-12-13 18:43:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure put_bh___3 [2022-12-13 18:43:48,978 INFO L138 BoogieDeclarations]: Found implementation of procedure put_bh___3 [2022-12-13 18:43:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure set_nlink [2022-12-13 18:43:48,978 INFO L138 BoogieDeclarations]: Found implementation of procedure set_nlink [2022-12-13 18:43:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure zlib_uncompress [2022-12-13 18:43:48,978 INFO L138 BoogieDeclarations]: Found implementation of procedure zlib_uncompress [2022-12-13 18:43:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-12-13 18:43:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-12-13 18:43:48,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-12-13 18:43:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2022-12-13 18:43:48,979 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2022-12-13 18:43:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 18:43:48,979 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 18:43:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-12-13 18:43:48,979 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-12-13 18:43:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure ll_rw_block [2022-12-13 18:43:48,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_rw_block [2022-12-13 18:43:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 18:43:48,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 18:43:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-13 18:43:48,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-13 18:43:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-12-13 18:43:48,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-12-13 18:43:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-13 18:43:48,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-13 18:43:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_finish_page [2022-12-13 18:43:48,979 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_finish_page [2022-12-13 18:43:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-12-13 18:43:48,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-12-13 18:43:48,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-12-13 18:43:48,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-12-13 18:43:48,980 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_xz_uncompress [2022-12-13 18:43:48,980 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_xz_uncompress [2022-12-13 18:43:48,980 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_lookup [2022-12-13 18:43:48,980 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_lookup [2022-12-13 18:43:48,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_meta_index_mutex_of_squashfs_sb_info [2022-12-13 18:43:48,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_meta_index_mutex_of_squashfs_sb_info [2022-12-13 18:43:48,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-13 18:43:48,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-13 18:43:48,980 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_copy_data [2022-12-13 18:43:48,980 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_copy_data [2022-12-13 18:43:48,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 18:43:48,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 18:43:48,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-12-13 18:43:48,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-12-13 18:43:48,980 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_inodecache [2022-12-13 18:43:48,980 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_inodecache [2022-12-13 18:43:48,980 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_read_inode [2022-12-13 18:43:48,981 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_read_inode [2022-12-13 18:43:48,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 18:43:48,981 INFO L130 BoogieDeclarations]: Found specification of procedure lzo_free [2022-12-13 18:43:48,981 INFO L138 BoogieDeclarations]: Found implementation of procedure lzo_free [2022-12-13 18:43:48,981 INFO L130 BoogieDeclarations]: Found specification of procedure init_special_inode [2022-12-13 18:43:48,981 INFO L138 BoogieDeclarations]: Found implementation of procedure init_special_inode [2022-12-13 18:43:48,981 INFO L130 BoogieDeclarations]: Found specification of procedure zlib_free [2022-12-13 18:43:48,981 INFO L138 BoogieDeclarations]: Found implementation of procedure zlib_free [2022-12-13 18:43:48,981 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-13 18:43:48,981 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-13 18:43:48,981 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_frag_lookup [2022-12-13 18:43:48,981 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_frag_lookup [2022-12-13 18:43:48,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-12-13 18:43:48,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-12-13 18:43:48,981 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-12-13 18:43:48,981 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-12-13 18:43:48,981 INFO L130 BoogieDeclarations]: Found specification of procedure init_once [2022-12-13 18:43:48,981 INFO L138 BoogieDeclarations]: Found implementation of procedure init_once [2022-12-13 18:43:48,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 18:43:48,981 INFO L130 BoogieDeclarations]: Found specification of procedure sb_bread [2022-12-13 18:43:48,982 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_bread [2022-12-13 18:43:48,982 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_xz_init [2022-12-13 18:43:48,982 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_xz_init [2022-12-13 18:43:48,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 18:43:48,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-12-13 18:43:48,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-12-13 18:43:48,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-13 18:43:48,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-13 18:43:48,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-13 18:43:48,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-13 18:43:48,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 18:43:48,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-12-13 18:43:48,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-12-13 18:43:48,982 INFO L130 BoogieDeclarations]: Found specification of procedure read_indexes [2022-12-13 18:43:48,982 INFO L138 BoogieDeclarations]: Found implementation of procedure read_indexes [2022-12-13 18:43:48,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-12-13 18:43:48,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-12-13 18:43:48,982 INFO L130 BoogieDeclarations]: Found specification of procedure new_decode_dev [2022-12-13 18:43:48,982 INFO L138 BoogieDeclarations]: Found implementation of procedure new_decode_dev [2022-12-13 18:43:48,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 18:43:48,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 18:43:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-12-13 18:43:48,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-12-13 18:43:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-13 18:43:48,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-13 18:43:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-12-13 18:43:48,983 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-12-13 18:43:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_i [2022-12-13 18:43:48,983 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_i [2022-12-13 18:43:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-12-13 18:43:48,983 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-12-13 18:43:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-12-13 18:43:48,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-12-13 18:43:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_next_page [2022-12-13 18:43:48,983 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_next_page [2022-12-13 18:43:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-13 18:43:48,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-13 18:43:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_export_iget [2022-12-13 18:43:48,983 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_export_iget [2022-12-13 18:43:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 18:43:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_meta_index_mutex_of_squashfs_sb_info [2022-12-13 18:43:48,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_meta_index_mutex_of_squashfs_sb_info [2022-12-13 18:43:48,984 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_user_list [2022-12-13 18:43:48,984 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_user_list [2022-12-13 18:43:48,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-12-13 18:43:48,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-12-13 18:43:48,984 INFO L130 BoogieDeclarations]: Found specification of procedure lzo_uncompress [2022-12-13 18:43:48,984 INFO L138 BoogieDeclarations]: Found implementation of procedure lzo_uncompress [2022-12-13 18:43:48,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:43:48,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-13 18:43:48,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-13 18:43:48,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 18:43:48,984 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-13 18:43:48,984 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 18:43:48,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 18:43:48,984 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_statfs [2022-12-13 18:43:48,984 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_statfs [2022-12-13 18:43:48,984 INFO L130 BoogieDeclarations]: Found specification of procedure release_meta_index [2022-12-13 18:43:48,984 INFO L138 BoogieDeclarations]: Found implementation of procedure release_meta_index [2022-12-13 18:43:48,984 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2022-12-13 18:43:48,985 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2022-12-13 18:43:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-12-13 18:43:48,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-12-13 18:43:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_cache_delete [2022-12-13 18:43:48,985 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_cache_delete [2022-12-13 18:43:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure lz4_comp_opts [2022-12-13 18:43:48,985 INFO L138 BoogieDeclarations]: Found implementation of procedure lz4_comp_opts [2022-12-13 18:43:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-13 18:43:48,985 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-13 18:43:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-12-13 18:43:48,985 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-12-13 18:43:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:43:48,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:43:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_read_metadata [2022-12-13 18:43:48,985 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_read_metadata [2022-12-13 18:43:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_read_data [2022-12-13 18:43:48,985 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_read_data [2022-12-13 18:43:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure kill_block_super [2022-12-13 18:43:48,985 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_block_super [2022-12-13 18:43:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_page [2022-12-13 18:43:48,986 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_page [2022-12-13 18:43:48,986 INFO L130 BoogieDeclarations]: Found specification of procedure dir_emit [2022-12-13 18:43:48,986 INFO L138 BoogieDeclarations]: Found implementation of procedure dir_emit [2022-12-13 18:43:48,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 18:43:48,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 18:43:48,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 18:43:48,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 18:43:48,986 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_security_list [2022-12-13 18:43:48,986 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_security_list [2022-12-13 18:43:48,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-13 18:43:48,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-13 18:43:48,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_squashfs_stream [2022-12-13 18:43:48,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_squashfs_stream [2022-12-13 18:43:48,986 INFO L130 BoogieDeclarations]: Found specification of procedure SetPageError [2022-12-13 18:43:48,986 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPageError [2022-12-13 18:43:48,986 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_iget [2022-12-13 18:43:48,986 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_iget [2022-12-13 18:43:48,986 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_xattr_get [2022-12-13 18:43:48,986 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_xattr_get [2022-12-13 18:43:48,986 INFO L130 BoogieDeclarations]: Found specification of procedure lzo_init [2022-12-13 18:43:48,987 INFO L138 BoogieDeclarations]: Found implementation of procedure lzo_init [2022-12-13 18:43:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 18:43:48,987 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 18:43:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_get_id [2022-12-13 18:43:48,987 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_get_id [2022-12-13 18:43:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-12-13 18:43:48,987 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-12-13 18:43:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-12-13 18:43:48,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-12-13 18:43:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_for_read_section [2022-12-13 18:43:48,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_for_read_section [2022-12-13 18:43:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-12-13 18:43:48,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-12-13 18:43:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-12-13 18:43:48,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-12-13 18:43:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_copy_cache [2022-12-13 18:43:48,987 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_copy_cache [2022-12-13 18:43:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 18:43:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-13 18:43:48,987 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-13 18:43:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure generic_read_dir [2022-12-13 18:43:48,988 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_read_dir [2022-12-13 18:43:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-13 18:43:48,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-13 18:43:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 18:43:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure page_follow_link_light [2022-12-13 18:43:48,988 INFO L138 BoogieDeclarations]: Found implementation of procedure page_follow_link_light [2022-12-13 18:43:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure put_bh [2022-12-13 18:43:48,988 INFO L138 BoogieDeclarations]: Found implementation of procedure put_bh [2022-12-13 18:43:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_xz_free [2022-12-13 18:43:48,988 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_xz_free [2022-12-13 18:43:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 18:43:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_symlink_readpage [2022-12-13 18:43:48,988 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_symlink_readpage [2022-12-13 18:43:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-13 18:43:48,988 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-13 18:43:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-13 18:43:48,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-13 18:43:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-13 18:43:48,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-13 18:43:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_trusted_list [2022-12-13 18:43:48,989 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_trusted_list [2022-12-13 18:43:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-13 18:43:48,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-13 18:43:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-13 18:43:48,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-13 18:43:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-13 18:43:48,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-13 18:43:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-12-13 18:43:48,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-12-13 18:43:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-12-13 18:43:48,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-12-13 18:43:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_decompressor_destroy [2022-12-13 18:43:48,989 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_decompressor_destroy [2022-12-13 18:43:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_cache_get [2022-12-13 18:43:48,989 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_cache_get [2022-12-13 18:43:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-13 18:43:48,989 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-13 18:43:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-13 18:43:48,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-13 18:43:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_destroy_inode [2022-12-13 18:43:48,990 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_destroy_inode [2022-12-13 18:43:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 18:43:48,990 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 18:43:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-13 18:43:48,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-13 18:43:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_readdir [2022-12-13 18:43:48,990 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_readdir [2022-12-13 18:43:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 18:43:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-13 18:43:48,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-13 18:43:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_first_page [2022-12-13 18:43:48,990 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_first_page [2022-12-13 18:43:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_readpage [2022-12-13 18:43:48,990 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_readpage [2022-12-13 18:43:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 18:43:48,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 18:43:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure SetPageUptodate [2022-12-13 18:43:48,990 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPageUptodate [2022-12-13 18:43:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_cache_put [2022-12-13 18:43:48,990 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_cache_put [2022-12-13 18:43:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_95 [2022-12-13 18:43:48,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_95 [2022-12-13 18:43:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-13 18:43:48,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-13 18:43:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2022-12-13 18:43:48,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2022-12-13 18:43:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure lz4_init [2022-12-13 18:43:48,991 INFO L138 BoogieDeclarations]: Found implementation of procedure lz4_init [2022-12-13 18:43:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-12-13 18:43:48,991 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-12-13 18:43:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-13 18:43:48,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-13 18:43:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure zlib_init [2022-12-13 18:43:48,991 INFO L138 BoogieDeclarations]: Found implementation of procedure zlib_init [2022-12-13 18:43:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-13 18:43:48,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-13 18:43:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-13 18:43:48,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-13 18:43:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure sb_getblk [2022-12-13 18:43:48,991 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_getblk [2022-12-13 18:43:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_xz_comp_opts [2022-12-13 18:43:48,992 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_xz_comp_opts [2022-12-13 18:43:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_put_super [2022-12-13 18:43:48,992 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_put_super [2022-12-13 18:43:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2022-12-13 18:43:48,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2022-12-13 18:43:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:43:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-12-13 18:43:49,716 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:43:49,720 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:43:50,355 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 18:43:55,033 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:43:55,047 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:43:55,047 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 18:43:55,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:43:55 BoogieIcfgContainer [2022-12-13 18:43:55,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:43:55,052 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:43:55,052 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:43:55,054 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:43:55,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:43:44" (1/3) ... [2022-12-13 18:43:55,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d749f55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:43:55, skipping insertion in model container [2022-12-13 18:43:55,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:43:48" (2/3) ... [2022-12-13 18:43:55,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d749f55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:43:55, skipping insertion in model container [2022-12-13 18:43:55,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:43:55" (3/3) ... [2022-12-13 18:43:55,056 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i [2022-12-13 18:43:55,070 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:43:55,070 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2022-12-13 18:43:55,138 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:43:55,142 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=PETRI_NET, 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;@449dd63e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:43:55,142 INFO L358 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2022-12-13 18:43:55,152 INFO L276 IsEmpty]: Start isEmpty. Operand has 2518 states, 1711 states have (on average 1.3167738164815896) internal successors, (2253), 1804 states have internal predecessors, (2253), 644 states have call successors, (644), 130 states have call predecessors, (644), 129 states have return successors, (634), 617 states have call predecessors, (634), 634 states have call successors, (634) [2022-12-13 18:43:55,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-13 18:43:55,159 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:43:55,159 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 18:43:55,160 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:43:55,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:43:55,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1979798454, now seen corresponding path program 1 times [2022-12-13 18:43:55,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:43:55,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486613656] [2022-12-13 18:43:55,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:43:55,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:43:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:55,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:43:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:55,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:43:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:55,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:43:55,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:55,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 18:43:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:55,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 18:43:55,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:43:55,974 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-13 18:43:55,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:43:55,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486613656] [2022-12-13 18:43:55,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486613656] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:43:55,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:43:55,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:43:55,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578970579] [2022-12-13 18:43:55,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:43:55,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 18:43:55,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:43:56,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 18:43:56,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:43:56,008 INFO L87 Difference]: Start difference. First operand has 2518 states, 1711 states have (on average 1.3167738164815896) internal successors, (2253), 1804 states have internal predecessors, (2253), 644 states have call successors, (644), 130 states have call predecessors, (644), 129 states have return successors, (634), 617 states have call predecessors, (634), 634 states have call successors, (634) Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-13 18:44:00,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:44:00,170 INFO L93 Difference]: Finished difference Result 5123 states and 7404 transitions. [2022-12-13 18:44:00,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 18:44:00,173 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2022-12-13 18:44:00,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:44:00,199 INFO L225 Difference]: With dead ends: 5123 [2022-12-13 18:44:00,200 INFO L226 Difference]: Without dead ends: 2614 [2022-12-13 18:44:00,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:44:00,218 INFO L413 NwaCegarLoop]: 2724 mSDtfsCounter, 3731 mSDsluCounter, 4031 mSDsCounter, 0 mSdLazyCounter, 2372 mSolverCounterSat, 979 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4100 SdHoareTripleChecker+Valid, 6755 SdHoareTripleChecker+Invalid, 3351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 979 IncrementalHoareTripleChecker+Valid, 2372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-12-13 18:44:00,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4100 Valid, 6755 Invalid, 3351 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [979 Valid, 2372 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-12-13 18:44:00,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2614 states. [2022-12-13 18:44:00,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2614 to 2463. [2022-12-13 18:44:00,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2463 states, 1669 states have (on average 1.274415817855003) internal successors, (2127), 1752 states have internal predecessors, (2127), 634 states have call successors, (634), 129 states have call predecessors, (634), 128 states have return successors, (632), 615 states have call predecessors, (632), 632 states have call successors, (632) [2022-12-13 18:44:00,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2463 states to 2463 states and 3393 transitions. [2022-12-13 18:44:00,426 INFO L78 Accepts]: Start accepts. Automaton has 2463 states and 3393 transitions. Word has length 45 [2022-12-13 18:44:00,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:44:00,426 INFO L495 AbstractCegarLoop]: Abstraction has 2463 states and 3393 transitions. [2022-12-13 18:44:00,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-13 18:44:00,427 INFO L276 IsEmpty]: Start isEmpty. Operand 2463 states and 3393 transitions. [2022-12-13 18:44:00,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-13 18:44:00,429 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:44:00,429 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 18:44:00,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:44:00,429 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_for_read_sectionErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:44:00,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:44:00,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1690812529, now seen corresponding path program 1 times [2022-12-13 18:44:00,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:44:00,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884363266] [2022-12-13 18:44:00,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:44:00,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:44:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:00,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:44:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:00,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:44:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:00,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:00,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 18:44:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:00,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 18:44:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:00,812 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-13 18:44:00,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:44:00,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884363266] [2022-12-13 18:44:00,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884363266] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:44:00,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:44:00,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:44:00,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698303860] [2022-12-13 18:44:00,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:44:00,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 18:44:00,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:44:00,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 18:44:00,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:44:00,816 INFO L87 Difference]: Start difference. First operand 2463 states and 3393 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-13 18:44:04,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:44:04,767 INFO L93 Difference]: Finished difference Result 2614 states and 3642 transitions. [2022-12-13 18:44:04,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 18:44:04,767 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 48 [2022-12-13 18:44:04,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:44:04,778 INFO L225 Difference]: With dead ends: 2614 [2022-12-13 18:44:04,778 INFO L226 Difference]: Without dead ends: 2612 [2022-12-13 18:44:04,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:44:04,780 INFO L413 NwaCegarLoop]: 2707 mSDtfsCounter, 3684 mSDsluCounter, 4008 mSDsCounter, 0 mSdLazyCounter, 2357 mSolverCounterSat, 969 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4049 SdHoareTripleChecker+Valid, 6715 SdHoareTripleChecker+Invalid, 3326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 969 IncrementalHoareTripleChecker+Valid, 2357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-12-13 18:44:04,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4049 Valid, 6715 Invalid, 3326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [969 Valid, 2357 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-12-13 18:44:04,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2612 states. [2022-12-13 18:44:04,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2612 to 2461. [2022-12-13 18:44:04,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2461 states, 1668 states have (on average 1.273980815347722) internal successors, (2125), 1750 states have internal predecessors, (2125), 634 states have call successors, (634), 129 states have call predecessors, (634), 128 states have return successors, (632), 615 states have call predecessors, (632), 632 states have call successors, (632) [2022-12-13 18:44:04,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2461 states to 2461 states and 3391 transitions. [2022-12-13 18:44:04,893 INFO L78 Accepts]: Start accepts. Automaton has 2461 states and 3391 transitions. Word has length 48 [2022-12-13 18:44:04,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:44:04,893 INFO L495 AbstractCegarLoop]: Abstraction has 2461 states and 3391 transitions. [2022-12-13 18:44:04,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-13 18:44:04,894 INFO L276 IsEmpty]: Start isEmpty. Operand 2461 states and 3391 transitions. [2022-12-13 18:44:04,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-13 18:44:04,894 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:44:04,895 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 18:44:04,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 18:44:04,895 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_for_read_sectionErr2ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:44:04,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:44:04,895 INFO L85 PathProgramCache]: Analyzing trace with hash -374406046, now seen corresponding path program 1 times [2022-12-13 18:44:04,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:44:04,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242603361] [2022-12-13 18:44:04,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:44:04,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:44:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:05,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:44:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:05,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:44:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:05,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:05,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:05,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 18:44:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:05,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 18:44:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:05,238 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-13 18:44:05,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:44:05,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242603361] [2022-12-13 18:44:05,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242603361] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:44:05,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:44:05,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:44:05,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915540885] [2022-12-13 18:44:05,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:44:05,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 18:44:05,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:44:05,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 18:44:05,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:44:05,240 INFO L87 Difference]: Start difference. First operand 2461 states and 3391 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-13 18:44:08,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:44:08,923 INFO L93 Difference]: Finished difference Result 2612 states and 3640 transitions. [2022-12-13 18:44:08,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 18:44:08,924 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 51 [2022-12-13 18:44:08,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:44:08,932 INFO L225 Difference]: With dead ends: 2612 [2022-12-13 18:44:08,932 INFO L226 Difference]: Without dead ends: 2610 [2022-12-13 18:44:08,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:44:08,934 INFO L413 NwaCegarLoop]: 2727 mSDtfsCounter, 3657 mSDsluCounter, 4029 mSDsCounter, 0 mSdLazyCounter, 2362 mSolverCounterSat, 959 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4021 SdHoareTripleChecker+Valid, 6756 SdHoareTripleChecker+Invalid, 3321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 959 IncrementalHoareTripleChecker+Valid, 2362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-12-13 18:44:08,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4021 Valid, 6756 Invalid, 3321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [959 Valid, 2362 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-12-13 18:44:08,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2610 states. [2022-12-13 18:44:09,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2610 to 2459. [2022-12-13 18:44:09,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2459 states, 1667 states have (on average 1.2735452909418117) internal successors, (2123), 1748 states have internal predecessors, (2123), 634 states have call successors, (634), 129 states have call predecessors, (634), 128 states have return successors, (632), 615 states have call predecessors, (632), 632 states have call successors, (632) [2022-12-13 18:44:09,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2459 states to 2459 states and 3389 transitions. [2022-12-13 18:44:09,030 INFO L78 Accepts]: Start accepts. Automaton has 2459 states and 3389 transitions. Word has length 51 [2022-12-13 18:44:09,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:44:09,031 INFO L495 AbstractCegarLoop]: Abstraction has 2459 states and 3389 transitions. [2022-12-13 18:44:09,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-13 18:44:09,031 INFO L276 IsEmpty]: Start isEmpty. Operand 2459 states and 3389 transitions. [2022-12-13 18:44:09,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-13 18:44:09,032 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:44:09,033 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 18:44:09,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 18:44:09,033 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_for_read_sectionErr3ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:44:09,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:44:09,034 INFO L85 PathProgramCache]: Analyzing trace with hash 105553245, now seen corresponding path program 1 times [2022-12-13 18:44:09,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:44:09,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588054693] [2022-12-13 18:44:09,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:44:09,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:44:09,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:09,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:44:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:09,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:44:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:09,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:09,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 18:44:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:09,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 18:44:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:09,377 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-13 18:44:09,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:44:09,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588054693] [2022-12-13 18:44:09,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588054693] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:44:09,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:44:09,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:44:09,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083564436] [2022-12-13 18:44:09,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:44:09,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 18:44:09,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:44:09,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 18:44:09,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:44:09,379 INFO L87 Difference]: Start difference. First operand 2459 states and 3389 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-13 18:44:12,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:44:12,501 INFO L93 Difference]: Finished difference Result 2610 states and 3638 transitions. [2022-12-13 18:44:12,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 18:44:12,501 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 54 [2022-12-13 18:44:12,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:44:12,508 INFO L225 Difference]: With dead ends: 2610 [2022-12-13 18:44:12,508 INFO L226 Difference]: Without dead ends: 2608 [2022-12-13 18:44:12,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:44:12,509 INFO L413 NwaCegarLoop]: 2707 mSDtfsCounter, 3661 mSDsluCounter, 4009 mSDsCounter, 0 mSdLazyCounter, 2359 mSolverCounterSat, 969 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4025 SdHoareTripleChecker+Valid, 6716 SdHoareTripleChecker+Invalid, 3328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 969 IncrementalHoareTripleChecker+Valid, 2359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:44:12,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4025 Valid, 6716 Invalid, 3328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [969 Valid, 2359 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-12-13 18:44:12,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2608 states. [2022-12-13 18:44:12,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2608 to 2457. [2022-12-13 18:44:12,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2457 states, 1666 states have (on average 1.273109243697479) internal successors, (2121), 1746 states have internal predecessors, (2121), 634 states have call successors, (634), 129 states have call predecessors, (634), 128 states have return successors, (632), 615 states have call predecessors, (632), 632 states have call successors, (632) [2022-12-13 18:44:12,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 2457 states and 3387 transitions. [2022-12-13 18:44:12,598 INFO L78 Accepts]: Start accepts. Automaton has 2457 states and 3387 transitions. Word has length 54 [2022-12-13 18:44:12,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:44:12,598 INFO L495 AbstractCegarLoop]: Abstraction has 2457 states and 3387 transitions. [2022-12-13 18:44:12,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-13 18:44:12,598 INFO L276 IsEmpty]: Start isEmpty. Operand 2457 states and 3387 transitions. [2022-12-13 18:44:12,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-13 18:44:12,599 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:44:12,599 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-12-13 18:44:12,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 18:44:12,599 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:44:12,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:44:12,600 INFO L85 PathProgramCache]: Analyzing trace with hash -16897441, now seen corresponding path program 1 times [2022-12-13 18:44:12,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:44:12,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705828466] [2022-12-13 18:44:12,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:44:12,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:44:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:12,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:44:12,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:12,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:44:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:12,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:12,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 18:44:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:12,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:44:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:12,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:44:12,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:12,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:12,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 18:44:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:12,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 18:44:12,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:12,912 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 18:44:12,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:44:12,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705828466] [2022-12-13 18:44:12,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705828466] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:44:12,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:44:12,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:44:12,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975361730] [2022-12-13 18:44:12,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:44:12,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:44:12,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:44:12,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:44:12,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:44:12,913 INFO L87 Difference]: Start difference. First operand 2457 states and 3387 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 18:44:23,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:44:23,345 INFO L93 Difference]: Finished difference Result 2608 states and 3636 transitions. [2022-12-13 18:44:23,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 18:44:23,346 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2022-12-13 18:44:23,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:44:23,355 INFO L225 Difference]: With dead ends: 2608 [2022-12-13 18:44:23,355 INFO L226 Difference]: Without dead ends: 2606 [2022-12-13 18:44:23,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-12-13 18:44:23,357 INFO L413 NwaCegarLoop]: 856 mSDtfsCounter, 6590 mSDsluCounter, 1965 mSDsCounter, 0 mSdLazyCounter, 7587 mSolverCounterSat, 4066 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6795 SdHoareTripleChecker+Valid, 2821 SdHoareTripleChecker+Invalid, 11653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4066 IncrementalHoareTripleChecker+Valid, 7587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:44:23,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6795 Valid, 2821 Invalid, 11653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4066 Valid, 7587 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2022-12-13 18:44:23,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2606 states. [2022-12-13 18:44:23,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2606 to 2455. [2022-12-13 18:44:23,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2455 states, 1665 states have (on average 1.2726726726726727) internal successors, (2119), 1744 states have internal predecessors, (2119), 634 states have call successors, (634), 129 states have call predecessors, (634), 128 states have return successors, (632), 615 states have call predecessors, (632), 632 states have call successors, (632) [2022-12-13 18:44:23,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2455 states to 2455 states and 3385 transitions. [2022-12-13 18:44:23,474 INFO L78 Accepts]: Start accepts. Automaton has 2455 states and 3385 transitions. Word has length 63 [2022-12-13 18:44:23,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:44:23,474 INFO L495 AbstractCegarLoop]: Abstraction has 2455 states and 3385 transitions. [2022-12-13 18:44:23,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 18:44:23,475 INFO L276 IsEmpty]: Start isEmpty. Operand 2455 states and 3385 transitions. [2022-12-13 18:44:23,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-12-13 18:44:23,476 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:44:23,476 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-12-13 18:44:23,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 18:44:23,476 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:44:23,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:44:23,476 INFO L85 PathProgramCache]: Analyzing trace with hash -428241023, now seen corresponding path program 1 times [2022-12-13 18:44:23,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:44:23,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645705458] [2022-12-13 18:44:23,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:44:23,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:44:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:23,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:44:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:23,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:44:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:23,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:23,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 18:44:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:23,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:44:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:23,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:44:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:23,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:23,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 18:44:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:23,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 18:44:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:23,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 18:44:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:23,823 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 18:44:23,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:44:23,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645705458] [2022-12-13 18:44:23,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645705458] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:44:23,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:44:23,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:44:23,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206499754] [2022-12-13 18:44:23,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:44:23,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:44:23,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:44:23,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:44:23,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:44:23,825 INFO L87 Difference]: Start difference. First operand 2455 states and 3385 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 18:44:34,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:44:34,805 INFO L93 Difference]: Finished difference Result 2606 states and 3634 transitions. [2022-12-13 18:44:34,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 18:44:34,806 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 69 [2022-12-13 18:44:34,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:44:34,812 INFO L225 Difference]: With dead ends: 2606 [2022-12-13 18:44:34,812 INFO L226 Difference]: Without dead ends: 2604 [2022-12-13 18:44:34,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-12-13 18:44:34,814 INFO L413 NwaCegarLoop]: 855 mSDtfsCounter, 6636 mSDsluCounter, 1965 mSDsCounter, 0 mSdLazyCounter, 7531 mSolverCounterSat, 4088 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6841 SdHoareTripleChecker+Valid, 2820 SdHoareTripleChecker+Invalid, 11619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4088 IncrementalHoareTripleChecker+Valid, 7531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-12-13 18:44:34,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6841 Valid, 2820 Invalid, 11619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4088 Valid, 7531 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2022-12-13 18:44:34,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2604 states. [2022-12-13 18:44:34,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2604 to 2453. [2022-12-13 18:44:34,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2453 states, 1664 states have (on average 1.2722355769230769) internal successors, (2117), 1742 states have internal predecessors, (2117), 634 states have call successors, (634), 129 states have call predecessors, (634), 128 states have return successors, (632), 615 states have call predecessors, (632), 632 states have call successors, (632) [2022-12-13 18:44:34,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2453 states to 2453 states and 3383 transitions. [2022-12-13 18:44:34,944 INFO L78 Accepts]: Start accepts. Automaton has 2453 states and 3383 transitions. Word has length 69 [2022-12-13 18:44:34,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:44:34,945 INFO L495 AbstractCegarLoop]: Abstraction has 2453 states and 3383 transitions. [2022-12-13 18:44:34,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 18:44:34,945 INFO L276 IsEmpty]: Start isEmpty. Operand 2453 states and 3383 transitions. [2022-12-13 18:44:34,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-13 18:44:34,947 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:44:34,947 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:44:34,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 18:44:34,947 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:44:34,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:44:34,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1845171055, now seen corresponding path program 1 times [2022-12-13 18:44:34,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:44:34,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298821493] [2022-12-13 18:44:34,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:44:34,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:44:34,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:35,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:44:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:35,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:44:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:35,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:35,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 18:44:35,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:35,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:44:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:35,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:44:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:35,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:35,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 18:44:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:35,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 18:44:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:35,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 18:44:35,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:35,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 18:44:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:35,297 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 18:44:35,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:44:35,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298821493] [2022-12-13 18:44:35,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298821493] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:44:35,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:44:35,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:44:35,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982304005] [2022-12-13 18:44:35,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:44:35,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:44:35,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:44:35,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:44:35,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:44:35,298 INFO L87 Difference]: Start difference. First operand 2453 states and 3383 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 18:44:46,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:44:46,120 INFO L93 Difference]: Finished difference Result 2604 states and 3632 transitions. [2022-12-13 18:44:46,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 18:44:46,120 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 75 [2022-12-13 18:44:46,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:44:46,126 INFO L225 Difference]: With dead ends: 2604 [2022-12-13 18:44:46,126 INFO L226 Difference]: Without dead ends: 2602 [2022-12-13 18:44:46,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-12-13 18:44:46,127 INFO L413 NwaCegarLoop]: 856 mSDtfsCounter, 6562 mSDsluCounter, 1965 mSDsCounter, 0 mSdLazyCounter, 7586 mSolverCounterSat, 4065 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6765 SdHoareTripleChecker+Valid, 2821 SdHoareTripleChecker+Invalid, 11651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4065 IncrementalHoareTripleChecker+Valid, 7586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-12-13 18:44:46,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6765 Valid, 2821 Invalid, 11651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4065 Valid, 7586 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2022-12-13 18:44:46,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2602 states. [2022-12-13 18:44:46,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2602 to 2451. [2022-12-13 18:44:46,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2451 states, 1663 states have (on average 1.2717979555021046) internal successors, (2115), 1740 states have internal predecessors, (2115), 634 states have call successors, (634), 129 states have call predecessors, (634), 128 states have return successors, (632), 615 states have call predecessors, (632), 632 states have call successors, (632) [2022-12-13 18:44:46,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2451 states to 2451 states and 3381 transitions. [2022-12-13 18:44:46,239 INFO L78 Accepts]: Start accepts. Automaton has 2451 states and 3381 transitions. Word has length 75 [2022-12-13 18:44:46,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:44:46,239 INFO L495 AbstractCegarLoop]: Abstraction has 2451 states and 3381 transitions. [2022-12-13 18:44:46,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 18:44:46,240 INFO L276 IsEmpty]: Start isEmpty. Operand 2451 states and 3381 transitions. [2022-12-13 18:44:46,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-13 18:44:46,240 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:44:46,241 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:44:46,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 18:44:46,241 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:44:46,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:44:46,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1868255068, now seen corresponding path program 1 times [2022-12-13 18:44:46,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:44:46,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049593] [2022-12-13 18:44:46,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:44:46,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:44:46,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:44:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:44:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 18:44:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:44:46,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:44:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 18:44:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 18:44:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 18:44:46,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 18:44:46,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 18:44:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:46,575 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 18:44:46,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:44:46,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049593] [2022-12-13 18:44:46,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049593] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:44:46,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:44:46,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:44:46,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607608354] [2022-12-13 18:44:46,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:44:46,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:44:46,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:44:46,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:44:46,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:44:46,576 INFO L87 Difference]: Start difference. First operand 2451 states and 3381 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 18:44:57,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:44:57,749 INFO L93 Difference]: Finished difference Result 2602 states and 3630 transitions. [2022-12-13 18:44:57,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 18:44:57,750 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 81 [2022-12-13 18:44:57,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:44:57,756 INFO L225 Difference]: With dead ends: 2602 [2022-12-13 18:44:57,756 INFO L226 Difference]: Without dead ends: 2600 [2022-12-13 18:44:57,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-12-13 18:44:57,758 INFO L413 NwaCegarLoop]: 856 mSDtfsCounter, 6599 mSDsluCounter, 1965 mSDsCounter, 0 mSdLazyCounter, 7546 mSolverCounterSat, 4081 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6801 SdHoareTripleChecker+Valid, 2821 SdHoareTripleChecker+Invalid, 11627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4081 IncrementalHoareTripleChecker+Valid, 7546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-12-13 18:44:57,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6801 Valid, 2821 Invalid, 11627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4081 Valid, 7546 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2022-12-13 18:44:57,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2600 states. [2022-12-13 18:44:57,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2600 to 2449. [2022-12-13 18:44:57,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2449 states, 1662 states have (on average 1.2713598074608905) internal successors, (2113), 1738 states have internal predecessors, (2113), 634 states have call successors, (634), 129 states have call predecessors, (634), 128 states have return successors, (632), 615 states have call predecessors, (632), 632 states have call successors, (632) [2022-12-13 18:44:57,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2449 states to 2449 states and 3379 transitions. [2022-12-13 18:44:57,887 INFO L78 Accepts]: Start accepts. Automaton has 2449 states and 3379 transitions. Word has length 81 [2022-12-13 18:44:57,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:44:57,888 INFO L495 AbstractCegarLoop]: Abstraction has 2449 states and 3379 transitions. [2022-12-13 18:44:57,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 18:44:57,888 INFO L276 IsEmpty]: Start isEmpty. Operand 2449 states and 3379 transitions. [2022-12-13 18:44:57,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-13 18:44:57,889 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:44:57,889 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:44:57,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 18:44:57,889 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:44:57,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:44:57,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1945450242, now seen corresponding path program 1 times [2022-12-13 18:44:57,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:44:57,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186730816] [2022-12-13 18:44:57,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:44:57,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:44:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:58,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:44:58,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:58,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:44:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:58,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:58,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 18:44:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:58,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 18:44:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:58,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 18:44:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:58,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:44:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:58,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:44:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:58,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 18:44:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:58,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 18:44:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:58,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 18:44:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:58,465 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 18:44:58,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:44:58,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186730816] [2022-12-13 18:44:58,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186730816] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:44:58,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:44:58,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:44:58,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813397849] [2022-12-13 18:44:58,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:44:58,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:44:58,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:44:58,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:44:58,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:44:58,468 INFO L87 Difference]: Start difference. First operand 2449 states and 3379 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 18:45:04,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:45:04,091 INFO L93 Difference]: Finished difference Result 5027 states and 7067 transitions. [2022-12-13 18:45:04,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 18:45:04,091 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 82 [2022-12-13 18:45:04,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:45:04,099 INFO L225 Difference]: With dead ends: 5027 [2022-12-13 18:45:04,099 INFO L226 Difference]: Without dead ends: 2600 [2022-12-13 18:45:04,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-12-13 18:45:04,106 INFO L413 NwaCegarLoop]: 2730 mSDtfsCounter, 3635 mSDsluCounter, 8017 mSDsCounter, 0 mSdLazyCounter, 5256 mSolverCounterSat, 959 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3998 SdHoareTripleChecker+Valid, 10747 SdHoareTripleChecker+Invalid, 6215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 959 IncrementalHoareTripleChecker+Valid, 5256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-12-13 18:45:04,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3998 Valid, 10747 Invalid, 6215 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [959 Valid, 5256 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-12-13 18:45:04,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2600 states. [2022-12-13 18:45:04,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2600 to 2449. [2022-12-13 18:45:04,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2449 states, 1662 states have (on average 1.2707581227436824) internal successors, (2112), 1738 states have internal predecessors, (2112), 634 states have call successors, (634), 129 states have call predecessors, (634), 128 states have return successors, (632), 615 states have call predecessors, (632), 632 states have call successors, (632) [2022-12-13 18:45:04,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2449 states to 2449 states and 3378 transitions. [2022-12-13 18:45:04,248 INFO L78 Accepts]: Start accepts. Automaton has 2449 states and 3378 transitions. Word has length 82 [2022-12-13 18:45:04,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:45:04,248 INFO L495 AbstractCegarLoop]: Abstraction has 2449 states and 3378 transitions. [2022-12-13 18:45:04,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 18:45:04,248 INFO L276 IsEmpty]: Start isEmpty. Operand 2449 states and 3378 transitions. [2022-12-13 18:45:04,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-13 18:45:04,249 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:45:04,249 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:45:04,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 18:45:04,249 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:45:04,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:45:04,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1945390660, now seen corresponding path program 1 times [2022-12-13 18:45:04,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:45:04,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845550567] [2022-12-13 18:45:04,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:45:04,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:45:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:04,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:45:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:04,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:45:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:04,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:04,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 18:45:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:04,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 18:45:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:04,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 18:45:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:04,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:04,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:45:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:04,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 18:45:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:04,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 18:45:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:04,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 18:45:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:04,608 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 18:45:04,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:45:04,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845550567] [2022-12-13 18:45:04,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845550567] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:45:04,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:45:04,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:45:04,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378906103] [2022-12-13 18:45:04,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:45:04,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 18:45:04,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:45:04,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 18:45:04,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:45:04,610 INFO L87 Difference]: Start difference. First operand 2449 states and 3378 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-12-13 18:45:08,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:45:08,953 INFO L93 Difference]: Finished difference Result 2600 states and 3627 transitions. [2022-12-13 18:45:08,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 18:45:08,953 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 82 [2022-12-13 18:45:08,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:45:08,960 INFO L225 Difference]: With dead ends: 2600 [2022-12-13 18:45:08,960 INFO L226 Difference]: Without dead ends: 2598 [2022-12-13 18:45:08,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:45:08,961 INFO L413 NwaCegarLoop]: 2751 mSDtfsCounter, 695 mSDsluCounter, 6437 mSDsCounter, 0 mSdLazyCounter, 3349 mSolverCounterSat, 646 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 764 SdHoareTripleChecker+Valid, 9188 SdHoareTripleChecker+Invalid, 3995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 646 IncrementalHoareTripleChecker+Valid, 3349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:45:08,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [764 Valid, 9188 Invalid, 3995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [646 Valid, 3349 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-12-13 18:45:08,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2598 states. [2022-12-13 18:45:09,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2598 to 2447. [2022-12-13 18:45:09,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2447 states, 1661 states have (on average 1.2703190848886212) internal successors, (2110), 1736 states have internal predecessors, (2110), 634 states have call successors, (634), 129 states have call predecessors, (634), 128 states have return successors, (632), 615 states have call predecessors, (632), 632 states have call successors, (632) [2022-12-13 18:45:09,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2447 states to 2447 states and 3376 transitions. [2022-12-13 18:45:09,104 INFO L78 Accepts]: Start accepts. Automaton has 2447 states and 3376 transitions. Word has length 82 [2022-12-13 18:45:09,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:45:09,105 INFO L495 AbstractCegarLoop]: Abstraction has 2447 states and 3376 transitions. [2022-12-13 18:45:09,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-12-13 18:45:09,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2447 states and 3376 transitions. [2022-12-13 18:45:09,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-12-13 18:45:09,106 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:45:09,106 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-12-13 18:45:09,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 18:45:09,106 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:45:09,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:45:09,107 INFO L85 PathProgramCache]: Analyzing trace with hash 926600202, now seen corresponding path program 1 times [2022-12-13 18:45:09,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:45:09,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710860771] [2022-12-13 18:45:09,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:45:09,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:45:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:09,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:45:09,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:09,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:45:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:09,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:09,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 18:45:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:09,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:45:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:09,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:45:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:09,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:09,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 18:45:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:09,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 18:45:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:09,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 18:45:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:09,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 18:45:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:09,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 18:45:09,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:09,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 18:45:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:09,431 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 18:45:09,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:45:09,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710860771] [2022-12-13 18:45:09,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710860771] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:45:09,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:45:09,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:45:09,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11499499] [2022-12-13 18:45:09,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:45:09,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:45:09,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:45:09,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:45:09,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:45:09,433 INFO L87 Difference]: Start difference. First operand 2447 states and 3376 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 18:45:21,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:45:21,072 INFO L93 Difference]: Finished difference Result 2598 states and 3625 transitions. [2022-12-13 18:45:21,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 18:45:21,073 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 87 [2022-12-13 18:45:21,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:45:21,079 INFO L225 Difference]: With dead ends: 2598 [2022-12-13 18:45:21,079 INFO L226 Difference]: Without dead ends: 2596 [2022-12-13 18:45:21,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-12-13 18:45:21,080 INFO L413 NwaCegarLoop]: 856 mSDtfsCounter, 6579 mSDsluCounter, 1965 mSDsCounter, 0 mSdLazyCounter, 7533 mSolverCounterSat, 4084 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6780 SdHoareTripleChecker+Valid, 2821 SdHoareTripleChecker+Invalid, 11617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4084 IncrementalHoareTripleChecker+Valid, 7533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-12-13 18:45:21,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6780 Valid, 2821 Invalid, 11617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4084 Valid, 7533 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2022-12-13 18:45:21,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2596 states. [2022-12-13 18:45:21,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2596 to 2445. [2022-12-13 18:45:21,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2445 states, 1660 states have (on average 1.269879518072289) internal successors, (2108), 1734 states have internal predecessors, (2108), 634 states have call successors, (634), 129 states have call predecessors, (634), 128 states have return successors, (632), 615 states have call predecessors, (632), 632 states have call successors, (632) [2022-12-13 18:45:21,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2445 states to 2445 states and 3374 transitions. [2022-12-13 18:45:21,217 INFO L78 Accepts]: Start accepts. Automaton has 2445 states and 3374 transitions. Word has length 87 [2022-12-13 18:45:21,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:45:21,218 INFO L495 AbstractCegarLoop]: Abstraction has 2445 states and 3374 transitions. [2022-12-13 18:45:21,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 18:45:21,218 INFO L276 IsEmpty]: Start isEmpty. Operand 2445 states and 3374 transitions. [2022-12-13 18:45:21,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-13 18:45:21,219 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:45:21,219 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:45:21,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 18:45:21,219 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:45:21,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:45:21,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1609496066, now seen corresponding path program 1 times [2022-12-13 18:45:21,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:45:21,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348159346] [2022-12-13 18:45:21,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:45:21,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:45:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:21,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:45:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:21,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:45:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:21,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:21,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 18:45:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:21,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 18:45:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:21,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 18:45:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:21,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:21,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:45:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:21,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 18:45:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:21,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 18:45:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:21,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 18:45:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:21,459 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 18:45:21,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:45:21,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348159346] [2022-12-13 18:45:21,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348159346] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:45:21,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:45:21,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 18:45:21,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980026235] [2022-12-13 18:45:21,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:45:21,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:45:21,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:45:21,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:45:21,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:45:21,461 INFO L87 Difference]: Start difference. First operand 2445 states and 3374 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 18:45:24,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:45:24,396 INFO L93 Difference]: Finished difference Result 5015 states and 7053 transitions. [2022-12-13 18:45:24,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:45:24,396 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 86 [2022-12-13 18:45:24,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:45:24,406 INFO L225 Difference]: With dead ends: 5015 [2022-12-13 18:45:24,406 INFO L226 Difference]: Without dead ends: 2592 [2022-12-13 18:45:24,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:45:24,415 INFO L413 NwaCegarLoop]: 2704 mSDtfsCounter, 3617 mSDsluCounter, 1645 mSDsCounter, 0 mSdLazyCounter, 1270 mSolverCounterSat, 968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3981 SdHoareTripleChecker+Valid, 4349 SdHoareTripleChecker+Invalid, 2238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 968 IncrementalHoareTripleChecker+Valid, 1270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-13 18:45:24,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3981 Valid, 4349 Invalid, 2238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [968 Valid, 1270 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-13 18:45:24,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2592 states. [2022-12-13 18:45:24,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2592 to 2441. [2022-12-13 18:45:24,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2441 states, 1657 states have (on average 1.2691611345805673) internal successors, (2103), 1730 states have internal predecessors, (2103), 634 states have call successors, (634), 129 states have call predecessors, (634), 128 states have return successors, (632), 615 states have call predecessors, (632), 632 states have call successors, (632) [2022-12-13 18:45:24,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2441 states to 2441 states and 3369 transitions. [2022-12-13 18:45:24,572 INFO L78 Accepts]: Start accepts. Automaton has 2441 states and 3369 transitions. Word has length 86 [2022-12-13 18:45:24,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:45:24,573 INFO L495 AbstractCegarLoop]: Abstraction has 2441 states and 3369 transitions. [2022-12-13 18:45:24,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 18:45:24,573 INFO L276 IsEmpty]: Start isEmpty. Operand 2441 states and 3369 transitions. [2022-12-13 18:45:24,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-12-13 18:45:24,575 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:45:24,575 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-12-13 18:45:24,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 18:45:24,575 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:45:24,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:45:24,576 INFO L85 PathProgramCache]: Analyzing trace with hash -525666374, now seen corresponding path program 1 times [2022-12-13 18:45:24,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:45:24,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113352740] [2022-12-13 18:45:24,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:45:24,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:45:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:24,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:45:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:24,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:45:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:24,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:24,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 18:45:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:24,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:45:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:24,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:45:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:24,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:24,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 18:45:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:24,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 18:45:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:24,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 18:45:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:24,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 18:45:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:24,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 18:45:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:24,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 18:45:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:24,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 18:45:24,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:24,878 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 18:45:24,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:45:24,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113352740] [2022-12-13 18:45:24,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113352740] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:45:24,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:45:24,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:45:24,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987755153] [2022-12-13 18:45:24,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:45:24,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:45:24,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:45:24,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:45:24,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:45:24,879 INFO L87 Difference]: Start difference. First operand 2441 states and 3369 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 18:45:36,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:45:36,614 INFO L93 Difference]: Finished difference Result 2592 states and 3618 transitions. [2022-12-13 18:45:36,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 18:45:36,614 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 93 [2022-12-13 18:45:36,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:45:36,619 INFO L225 Difference]: With dead ends: 2592 [2022-12-13 18:45:36,619 INFO L226 Difference]: Without dead ends: 2590 [2022-12-13 18:45:36,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-12-13 18:45:36,620 INFO L413 NwaCegarLoop]: 855 mSDtfsCounter, 6557 mSDsluCounter, 1965 mSDsCounter, 0 mSdLazyCounter, 7508 mSolverCounterSat, 4087 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6758 SdHoareTripleChecker+Valid, 2820 SdHoareTripleChecker+Invalid, 11595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4087 IncrementalHoareTripleChecker+Valid, 7508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-12-13 18:45:36,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6758 Valid, 2820 Invalid, 11595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4087 Valid, 7508 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2022-12-13 18:45:36,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2590 states. [2022-12-13 18:45:36,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2590 to 2439. [2022-12-13 18:45:36,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2439 states, 1656 states have (on average 1.268719806763285) internal successors, (2101), 1728 states have internal predecessors, (2101), 634 states have call successors, (634), 129 states have call predecessors, (634), 128 states have return successors, (632), 615 states have call predecessors, (632), 632 states have call successors, (632) [2022-12-13 18:45:36,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 2439 states and 3367 transitions. [2022-12-13 18:45:36,789 INFO L78 Accepts]: Start accepts. Automaton has 2439 states and 3367 transitions. Word has length 93 [2022-12-13 18:45:36,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:45:36,789 INFO L495 AbstractCegarLoop]: Abstraction has 2439 states and 3367 transitions. [2022-12-13 18:45:36,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 18:45:36,790 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 3367 transitions. [2022-12-13 18:45:36,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-12-13 18:45:36,791 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:45:36,791 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-12-13 18:45:36,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 18:45:36,791 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:45:36,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:45:36,791 INFO L85 PathProgramCache]: Analyzing trace with hash -230951862, now seen corresponding path program 1 times [2022-12-13 18:45:36,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:45:36,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882952347] [2022-12-13 18:45:36,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:45:36,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:45:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:37,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:45:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:37,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:45:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:37,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:37,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 18:45:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:37,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:45:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:37,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:45:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:37,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:37,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 18:45:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:37,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 18:45:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:37,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 18:45:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:37,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 18:45:37,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:37,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 18:45:37,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:37,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 18:45:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:37,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 18:45:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:37,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:45:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:37,115 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 18:45:37,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:45:37,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882952347] [2022-12-13 18:45:37,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882952347] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:45:37,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:45:37,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:45:37,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357122420] [2022-12-13 18:45:37,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:45:37,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:45:37,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:45:37,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:45:37,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:45:37,116 INFO L87 Difference]: Start difference. First operand 2439 states and 3367 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 18:45:48,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:45:48,298 INFO L93 Difference]: Finished difference Result 2590 states and 3616 transitions. [2022-12-13 18:45:48,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 18:45:48,298 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 99 [2022-12-13 18:45:48,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:45:48,305 INFO L225 Difference]: With dead ends: 2590 [2022-12-13 18:45:48,305 INFO L226 Difference]: Without dead ends: 2588 [2022-12-13 18:45:48,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-12-13 18:45:48,306 INFO L413 NwaCegarLoop]: 855 mSDtfsCounter, 6564 mSDsluCounter, 1965 mSDsCounter, 0 mSdLazyCounter, 7492 mSolverCounterSat, 4091 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6764 SdHoareTripleChecker+Valid, 2820 SdHoareTripleChecker+Invalid, 11583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4091 IncrementalHoareTripleChecker+Valid, 7492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-12-13 18:45:48,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6764 Valid, 2820 Invalid, 11583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4091 Valid, 7492 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2022-12-13 18:45:48,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2588 states. [2022-12-13 18:45:48,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2588 to 2437. [2022-12-13 18:45:48,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2437 states, 1655 states have (on average 1.2682779456193354) internal successors, (2099), 1726 states have internal predecessors, (2099), 634 states have call successors, (634), 129 states have call predecessors, (634), 128 states have return successors, (632), 615 states have call predecessors, (632), 632 states have call successors, (632) [2022-12-13 18:45:48,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2437 states to 2437 states and 3365 transitions. [2022-12-13 18:45:48,479 INFO L78 Accepts]: Start accepts. Automaton has 2437 states and 3365 transitions. Word has length 99 [2022-12-13 18:45:48,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:45:48,479 INFO L495 AbstractCegarLoop]: Abstraction has 2437 states and 3365 transitions. [2022-12-13 18:45:48,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 18:45:48,479 INFO L276 IsEmpty]: Start isEmpty. Operand 2437 states and 3365 transitions. [2022-12-13 18:45:48,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-12-13 18:45:48,480 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:45:48,481 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-12-13 18:45:48,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 18:45:48,481 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:45:48,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:45:48,481 INFO L85 PathProgramCache]: Analyzing trace with hash -450539048, now seen corresponding path program 1 times [2022-12-13 18:45:48,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:45:48,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647973271] [2022-12-13 18:45:48,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:45:48,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:45:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:48,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:45:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:48,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:45:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:48,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:48,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 18:45:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:48,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:45:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:48,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:45:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:48,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:45:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:48,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 18:45:48,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:48,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 18:45:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:48,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 18:45:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:48,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 18:45:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:48,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 18:45:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:48,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 18:45:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:48,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 18:45:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:48,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:45:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:48,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 18:45:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:45:48,816 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 18:45:48,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:45:48,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647973271] [2022-12-13 18:45:48,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647973271] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:45:48,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:45:48,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:45:48,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761330705] [2022-12-13 18:45:48,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:45:48,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:45:48,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:45:48,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:45:48,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:45:48,817 INFO L87 Difference]: Start difference. First operand 2437 states and 3365 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 18:46:00,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:46:00,057 INFO L93 Difference]: Finished difference Result 2588 states and 3614 transitions. [2022-12-13 18:46:00,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 18:46:00,057 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 105 [2022-12-13 18:46:00,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:46:00,063 INFO L225 Difference]: With dead ends: 2588 [2022-12-13 18:46:00,063 INFO L226 Difference]: Without dead ends: 2586 [2022-12-13 18:46:00,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-12-13 18:46:00,064 INFO L413 NwaCegarLoop]: 856 mSDtfsCounter, 6539 mSDsluCounter, 1965 mSDsCounter, 0 mSdLazyCounter, 7507 mSolverCounterSat, 4084 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6737 SdHoareTripleChecker+Valid, 2821 SdHoareTripleChecker+Invalid, 11591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4084 IncrementalHoareTripleChecker+Valid, 7507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-12-13 18:46:00,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6737 Valid, 2821 Invalid, 11591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4084 Valid, 7507 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2022-12-13 18:46:00,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2586 states. [2022-12-13 18:46:00,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2586 to 2435. [2022-12-13 18:46:00,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2435 states, 1654 states have (on average 1.2678355501813785) internal successors, (2097), 1724 states have internal predecessors, (2097), 634 states have call successors, (634), 129 states have call predecessors, (634), 128 states have return successors, (632), 615 states have call predecessors, (632), 632 states have call successors, (632) [2022-12-13 18:46:00,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2435 states to 2435 states and 3363 transitions. [2022-12-13 18:46:00,232 INFO L78 Accepts]: Start accepts. Automaton has 2435 states and 3363 transitions. Word has length 105 [2022-12-13 18:46:00,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:46:00,232 INFO L495 AbstractCegarLoop]: Abstraction has 2435 states and 3363 transitions. [2022-12-13 18:46:00,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 18:46:00,232 INFO L276 IsEmpty]: Start isEmpty. Operand 2435 states and 3363 transitions. [2022-12-13 18:46:00,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-12-13 18:46:00,233 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:46:00,233 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:46:00,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 18:46:00,234 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:46:00,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:46:00,234 INFO L85 PathProgramCache]: Analyzing trace with hash 823826267, now seen corresponding path program 1 times [2022-12-13 18:46:00,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:46:00,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515301588] [2022-12-13 18:46:00,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:46:00,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:46:00,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:00,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:46:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:00,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:46:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:00,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:46:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:00,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 18:46:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:00,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:46:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:00,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:46:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:00,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:46:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:00,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 18:46:00,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:00,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 18:46:00,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:00,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 18:46:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:00,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 18:46:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:00,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 18:46:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:00,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 18:46:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:00,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 18:46:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:00,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:46:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:00,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 18:46:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:00,548 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 18:46:00,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:46:00,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515301588] [2022-12-13 18:46:00,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515301588] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:46:00,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:46:00,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:46:00,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770752493] [2022-12-13 18:46:00,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:46:00,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:46:00,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:46:00,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:46:00,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:46:00,551 INFO L87 Difference]: Start difference. First operand 2435 states and 3363 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 18:46:11,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:46:11,587 INFO L93 Difference]: Finished difference Result 2586 states and 3612 transitions. [2022-12-13 18:46:11,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 18:46:11,587 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 107 [2022-12-13 18:46:11,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:46:11,594 INFO L225 Difference]: With dead ends: 2586 [2022-12-13 18:46:11,594 INFO L226 Difference]: Without dead ends: 2584 [2022-12-13 18:46:11,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-12-13 18:46:11,595 INFO L413 NwaCegarLoop]: 856 mSDtfsCounter, 6540 mSDsluCounter, 1965 mSDsCounter, 0 mSdLazyCounter, 7498 mSolverCounterSat, 4085 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6738 SdHoareTripleChecker+Valid, 2821 SdHoareTripleChecker+Invalid, 11583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4085 IncrementalHoareTripleChecker+Valid, 7498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-12-13 18:46:11,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6738 Valid, 2821 Invalid, 11583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4085 Valid, 7498 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2022-12-13 18:46:11,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2584 states. [2022-12-13 18:46:11,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2584 to 2433. [2022-12-13 18:46:11,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2433 states, 1653 states have (on average 1.2673926194797338) internal successors, (2095), 1722 states have internal predecessors, (2095), 634 states have call successors, (634), 129 states have call predecessors, (634), 128 states have return successors, (632), 615 states have call predecessors, (632), 632 states have call successors, (632) [2022-12-13 18:46:11,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2433 states to 2433 states and 3361 transitions. [2022-12-13 18:46:11,784 INFO L78 Accepts]: Start accepts. Automaton has 2433 states and 3361 transitions. Word has length 107 [2022-12-13 18:46:11,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:46:11,785 INFO L495 AbstractCegarLoop]: Abstraction has 2433 states and 3361 transitions. [2022-12-13 18:46:11,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 18:46:11,785 INFO L276 IsEmpty]: Start isEmpty. Operand 2433 states and 3361 transitions. [2022-12-13 18:46:11,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-12-13 18:46:11,786 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:46:11,786 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-12-13 18:46:11,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 18:46:11,786 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:46:11,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:46:11,787 INFO L85 PathProgramCache]: Analyzing trace with hash 2015346315, now seen corresponding path program 1 times [2022-12-13 18:46:11,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:46:11,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985954639] [2022-12-13 18:46:11,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:46:11,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:46:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:11,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:46:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:12,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:46:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:12,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:46:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:12,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 18:46:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:12,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:46:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:12,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:46:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:12,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:46:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:12,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 18:46:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:12,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 18:46:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:12,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 18:46:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:12,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 18:46:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:12,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 18:46:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:12,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 18:46:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:12,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 18:46:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:12,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:46:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:12,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 18:46:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:12,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 18:46:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:12,090 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 18:46:12,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:46:12,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985954639] [2022-12-13 18:46:12,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985954639] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:46:12,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:46:12,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:46:12,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353311777] [2022-12-13 18:46:12,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:46:12,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:46:12,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:46:12,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:46:12,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:46:12,092 INFO L87 Difference]: Start difference. First operand 2433 states and 3361 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 18:46:23,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:46:23,226 INFO L93 Difference]: Finished difference Result 2584 states and 3610 transitions. [2022-12-13 18:46:23,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 18:46:23,226 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 113 [2022-12-13 18:46:23,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:46:23,234 INFO L225 Difference]: With dead ends: 2584 [2022-12-13 18:46:23,234 INFO L226 Difference]: Without dead ends: 2582 [2022-12-13 18:46:23,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-12-13 18:46:23,235 INFO L413 NwaCegarLoop]: 856 mSDtfsCounter, 6474 mSDsluCounter, 1965 mSDsCounter, 0 mSdLazyCounter, 7539 mSolverCounterSat, 4068 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6671 SdHoareTripleChecker+Valid, 2821 SdHoareTripleChecker+Invalid, 11607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4068 IncrementalHoareTripleChecker+Valid, 7539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-12-13 18:46:23,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6671 Valid, 2821 Invalid, 11607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4068 Valid, 7539 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2022-12-13 18:46:23,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2582 states. [2022-12-13 18:46:23,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2582 to 2431. [2022-12-13 18:46:23,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2431 states, 1652 states have (on average 1.2669491525423728) internal successors, (2093), 1720 states have internal predecessors, (2093), 634 states have call successors, (634), 129 states have call predecessors, (634), 128 states have return successors, (632), 615 states have call predecessors, (632), 632 states have call successors, (632) [2022-12-13 18:46:23,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2431 states to 2431 states and 3359 transitions. [2022-12-13 18:46:23,452 INFO L78 Accepts]: Start accepts. Automaton has 2431 states and 3359 transitions. Word has length 113 [2022-12-13 18:46:23,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:46:23,452 INFO L495 AbstractCegarLoop]: Abstraction has 2431 states and 3359 transitions. [2022-12-13 18:46:23,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 18:46:23,452 INFO L276 IsEmpty]: Start isEmpty. Operand 2431 states and 3359 transitions. [2022-12-13 18:46:23,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-12-13 18:46:23,454 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:46:23,454 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-12-13 18:46:23,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 18:46:23,454 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:46:23,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:46:23,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1549169574, now seen corresponding path program 1 times [2022-12-13 18:46:23,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:46:23,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617233779] [2022-12-13 18:46:23,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:46:23,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:46:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:23,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:46:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:23,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:46:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:23,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:46:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:23,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 18:46:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:23,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:46:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:23,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:46:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:23,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:46:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:23,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 18:46:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:23,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 18:46:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:23,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 18:46:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:23,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 18:46:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:23,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 18:46:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:23,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 18:46:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:23,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 18:46:23,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:23,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:46:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:23,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 18:46:23,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:23,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 18:46:23,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:23,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 18:46:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:23,789 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 18:46:23,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:46:23,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617233779] [2022-12-13 18:46:23,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617233779] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:46:23,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:46:23,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:46:23,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401825033] [2022-12-13 18:46:23,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:46:23,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:46:23,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:46:23,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:46:23,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:46:23,791 INFO L87 Difference]: Start difference. First operand 2431 states and 3359 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 18:46:26,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:46:35,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:46:35,958 INFO L93 Difference]: Finished difference Result 2582 states and 3608 transitions. [2022-12-13 18:46:35,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 18:46:35,958 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 119 [2022-12-13 18:46:35,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:46:35,963 INFO L225 Difference]: With dead ends: 2582 [2022-12-13 18:46:35,963 INFO L226 Difference]: Without dead ends: 2580 [2022-12-13 18:46:35,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-12-13 18:46:35,964 INFO L413 NwaCegarLoop]: 856 mSDtfsCounter, 6526 mSDsluCounter, 1965 mSDsCounter, 0 mSdLazyCounter, 7481 mSolverCounterSat, 4094 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6722 SdHoareTripleChecker+Valid, 2821 SdHoareTripleChecker+Invalid, 11575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4094 IncrementalHoareTripleChecker+Valid, 7481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2022-12-13 18:46:35,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6722 Valid, 2821 Invalid, 11575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4094 Valid, 7481 Invalid, 0 Unknown, 0 Unchecked, 11.7s Time] [2022-12-13 18:46:35,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2580 states. [2022-12-13 18:46:36,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2580 to 2429. [2022-12-13 18:46:36,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2429 states, 1651 states have (on average 1.2665051483949121) internal successors, (2091), 1718 states have internal predecessors, (2091), 634 states have call successors, (634), 129 states have call predecessors, (634), 128 states have return successors, (632), 615 states have call predecessors, (632), 632 states have call successors, (632) [2022-12-13 18:46:36,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2429 states to 2429 states and 3357 transitions. [2022-12-13 18:46:36,202 INFO L78 Accepts]: Start accepts. Automaton has 2429 states and 3357 transitions. Word has length 119 [2022-12-13 18:46:36,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:46:36,202 INFO L495 AbstractCegarLoop]: Abstraction has 2429 states and 3357 transitions. [2022-12-13 18:46:36,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 18:46:36,203 INFO L276 IsEmpty]: Start isEmpty. Operand 2429 states and 3357 transitions. [2022-12-13 18:46:36,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-12-13 18:46:36,204 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:46:36,204 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-12-13 18:46:36,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 18:46:36,204 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:46:36,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:46:36,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1049836481, now seen corresponding path program 1 times [2022-12-13 18:46:36,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:46:36,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111354990] [2022-12-13 18:46:36,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:46:36,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:46:36,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:36,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:46:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:36,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:46:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:36,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:46:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:36,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 18:46:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:36,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:46:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:36,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:46:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:36,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:46:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:36,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 18:46:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:36,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 18:46:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:36,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 18:46:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:36,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 18:46:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:36,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 18:46:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:36,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 18:46:36,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:36,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 18:46:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:36,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:46:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:36,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 18:46:36,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:36,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 18:46:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:36,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 18:46:36,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:36,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 18:46:36,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:36,521 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 18:46:36,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:46:36,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111354990] [2022-12-13 18:46:36,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111354990] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:46:36,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:46:36,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:46:36,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565496008] [2022-12-13 18:46:36,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:46:36,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:46:36,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:46:36,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:46:36,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:46:36,523 INFO L87 Difference]: Start difference. First operand 2429 states and 3357 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 18:46:47,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:46:47,734 INFO L93 Difference]: Finished difference Result 2580 states and 3606 transitions. [2022-12-13 18:46:47,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 18:46:47,734 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 125 [2022-12-13 18:46:47,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:46:47,739 INFO L225 Difference]: With dead ends: 2580 [2022-12-13 18:46:47,739 INFO L226 Difference]: Without dead ends: 2578 [2022-12-13 18:46:47,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-12-13 18:46:47,740 INFO L413 NwaCegarLoop]: 855 mSDtfsCounter, 6512 mSDsluCounter, 1965 mSDsCounter, 0 mSdLazyCounter, 7482 mSolverCounterSat, 4087 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6708 SdHoareTripleChecker+Valid, 2820 SdHoareTripleChecker+Invalid, 11569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4087 IncrementalHoareTripleChecker+Valid, 7482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-12-13 18:46:47,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6708 Valid, 2820 Invalid, 11569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4087 Valid, 7482 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2022-12-13 18:46:47,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2578 states. [2022-12-13 18:46:47,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2578 to 2427. [2022-12-13 18:46:47,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2427 states, 1650 states have (on average 1.266060606060606) internal successors, (2089), 1716 states have internal predecessors, (2089), 634 states have call successors, (634), 129 states have call predecessors, (634), 128 states have return successors, (632), 615 states have call predecessors, (632), 632 states have call successors, (632) [2022-12-13 18:46:47,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2427 states to 2427 states and 3355 transitions. [2022-12-13 18:46:47,940 INFO L78 Accepts]: Start accepts. Automaton has 2427 states and 3355 transitions. Word has length 125 [2022-12-13 18:46:47,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:46:47,941 INFO L495 AbstractCegarLoop]: Abstraction has 2427 states and 3355 transitions. [2022-12-13 18:46:47,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 18:46:47,941 INFO L276 IsEmpty]: Start isEmpty. Operand 2427 states and 3355 transitions. [2022-12-13 18:46:47,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-13 18:46:47,942 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:46:47,942 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-12-13 18:46:47,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 18:46:47,943 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:46:47,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:46:47,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1123199676, now seen corresponding path program 1 times [2022-12-13 18:46:47,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:46:47,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063966231] [2022-12-13 18:46:47,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:46:47,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:46:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:48,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:46:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:48,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:46:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:48,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:46:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:48,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 18:46:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:48,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:46:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:48,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:46:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:48,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:46:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:48,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 18:46:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:48,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 18:46:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:48,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 18:46:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:48,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 18:46:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:48,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 18:46:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:48,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 18:46:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:48,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 18:46:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:48,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:46:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:48,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 18:46:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:48,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 18:46:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:48,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 18:46:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:48,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 18:46:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:48,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 18:46:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:46:48,275 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 18:46:48,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:46:48,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063966231] [2022-12-13 18:46:48,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063966231] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:46:48,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:46:48,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:46:48,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605395684] [2022-12-13 18:46:48,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:46:48,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:46:48,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:46:48,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:46:48,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:46:48,277 INFO L87 Difference]: Start difference. First operand 2427 states and 3355 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 18:47:00,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:47:00,349 INFO L93 Difference]: Finished difference Result 2578 states and 3604 transitions. [2022-12-13 18:47:00,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 18:47:00,350 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 131 [2022-12-13 18:47:00,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:47:00,355 INFO L225 Difference]: With dead ends: 2578 [2022-12-13 18:47:00,355 INFO L226 Difference]: Without dead ends: 2576 [2022-12-13 18:47:00,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-12-13 18:47:00,356 INFO L413 NwaCegarLoop]: 855 mSDtfsCounter, 6513 mSDsluCounter, 1965 mSDsCounter, 0 mSdLazyCounter, 7470 mSolverCounterSat, 4091 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6708 SdHoareTripleChecker+Valid, 2820 SdHoareTripleChecker+Invalid, 11561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4091 IncrementalHoareTripleChecker+Valid, 7470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-12-13 18:47:00,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6708 Valid, 2820 Invalid, 11561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4091 Valid, 7470 Invalid, 0 Unknown, 0 Unchecked, 11.6s Time] [2022-12-13 18:47:00,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2576 states. [2022-12-13 18:47:00,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2576 to 2425. [2022-12-13 18:47:00,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2425 states, 1649 states have (on average 1.2656155245603395) internal successors, (2087), 1714 states have internal predecessors, (2087), 634 states have call successors, (634), 129 states have call predecessors, (634), 128 states have return successors, (632), 615 states have call predecessors, (632), 632 states have call successors, (632) [2022-12-13 18:47:00,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2425 states to 2425 states and 3353 transitions. [2022-12-13 18:47:00,557 INFO L78 Accepts]: Start accepts. Automaton has 2425 states and 3353 transitions. Word has length 131 [2022-12-13 18:47:00,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:47:00,558 INFO L495 AbstractCegarLoop]: Abstraction has 2425 states and 3353 transitions. [2022-12-13 18:47:00,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 18:47:00,558 INFO L276 IsEmpty]: Start isEmpty. Operand 2425 states and 3353 transitions. [2022-12-13 18:47:00,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-12-13 18:47:00,560 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:47:00,560 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-12-13 18:47:00,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 18:47:00,560 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:47:00,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:00,561 INFO L85 PathProgramCache]: Analyzing trace with hash 750050035, now seen corresponding path program 1 times [2022-12-13 18:47:00,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:00,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26696656] [2022-12-13 18:47:00,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:00,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:00,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:00,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:47:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:00,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:47:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:00,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:47:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:00,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 18:47:00,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:00,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:47:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:00,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:47:00,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:00,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:47:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:00,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 18:47:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:00,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 18:47:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:00,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 18:47:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:00,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 18:47:00,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:00,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 18:47:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:00,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 18:47:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:00,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 18:47:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:00,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:47:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:00,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 18:47:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:00,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 18:47:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:00,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 18:47:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:00,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 18:47:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:00,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 18:47:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:00,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 18:47:00,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:00,887 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 18:47:00,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:47:00,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26696656] [2022-12-13 18:47:00,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26696656] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:47:00,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:47:00,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:47:00,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034241435] [2022-12-13 18:47:00,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:47:00,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:47:00,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:47:00,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:47:00,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:47:00,889 INFO L87 Difference]: Start difference. First operand 2425 states and 3353 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-13 18:47:02,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:47:13,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:47:13,423 INFO L93 Difference]: Finished difference Result 2576 states and 3602 transitions. [2022-12-13 18:47:13,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 18:47:13,423 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 137 [2022-12-13 18:47:13,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:47:13,429 INFO L225 Difference]: With dead ends: 2576 [2022-12-13 18:47:13,429 INFO L226 Difference]: Without dead ends: 2574 [2022-12-13 18:47:13,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-12-13 18:47:13,431 INFO L413 NwaCegarLoop]: 855 mSDtfsCounter, 6496 mSDsluCounter, 1965 mSDsCounter, 0 mSdLazyCounter, 7474 mSolverCounterSat, 4087 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6690 SdHoareTripleChecker+Valid, 2820 SdHoareTripleChecker+Invalid, 11561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4087 IncrementalHoareTripleChecker+Valid, 7474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:47:13,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6690 Valid, 2820 Invalid, 11561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4087 Valid, 7474 Invalid, 0 Unknown, 0 Unchecked, 12.0s Time] [2022-12-13 18:47:13,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2574 states. [2022-12-13 18:47:13,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2574 to 2423. [2022-12-13 18:47:13,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2423 states, 1648 states have (on average 1.2651699029126213) internal successors, (2085), 1712 states have internal predecessors, (2085), 634 states have call successors, (634), 129 states have call predecessors, (634), 128 states have return successors, (632), 615 states have call predecessors, (632), 632 states have call successors, (632) [2022-12-13 18:47:13,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2423 states to 2423 states and 3351 transitions. [2022-12-13 18:47:13,632 INFO L78 Accepts]: Start accepts. Automaton has 2423 states and 3351 transitions. Word has length 137 [2022-12-13 18:47:13,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:47:13,632 INFO L495 AbstractCegarLoop]: Abstraction has 2423 states and 3351 transitions. [2022-12-13 18:47:13,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-13 18:47:13,633 INFO L276 IsEmpty]: Start isEmpty. Operand 2423 states and 3351 transitions. [2022-12-13 18:47:13,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-12-13 18:47:13,634 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:47:13,634 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 18:47:13,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 18:47:13,634 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:47:13,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:13,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1686363763, now seen corresponding path program 1 times [2022-12-13 18:47:13,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:13,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730169543] [2022-12-13 18:47:13,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:13,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:14,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:47:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:14,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:47:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:14,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:47:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:14,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 18:47:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:14,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:47:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:14,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:47:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:14,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:47:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:14,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 18:47:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:14,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 18:47:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:14,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 18:47:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:14,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 18:47:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:14,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:47:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:14,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:47:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:14,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 18:47:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:14,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 18:47:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:14,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:47:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:14,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:47:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:14,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 18:47:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:14,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-12-13 18:47:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:14,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:47:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:14,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:47:14,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:14,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 18:47:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:14,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 18:47:14,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:14,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 18:47:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:14,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 18:47:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:14,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 18:47:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:14,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 18:47:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:14,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 18:47:14,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:14,418 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-12-13 18:47:14,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:47:14,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730169543] [2022-12-13 18:47:14,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730169543] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:47:14,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:47:14,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 18:47:14,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480455130] [2022-12-13 18:47:14,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:47:14,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 18:47:14,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:47:14,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 18:47:14,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-13 18:47:14,419 INFO L87 Difference]: Start difference. First operand 2423 states and 3351 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 18:47:27,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:47:27,519 INFO L93 Difference]: Finished difference Result 2578 states and 3603 transitions. [2022-12-13 18:47:27,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 18:47:27,520 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 175 [2022-12-13 18:47:27,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:47:27,525 INFO L225 Difference]: With dead ends: 2578 [2022-12-13 18:47:27,525 INFO L226 Difference]: Without dead ends: 2576 [2022-12-13 18:47:27,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2022-12-13 18:47:27,526 INFO L413 NwaCegarLoop]: 856 mSDtfsCounter, 6373 mSDsluCounter, 2613 mSDsCounter, 0 mSdLazyCounter, 10366 mSolverCounterSat, 4056 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6554 SdHoareTripleChecker+Valid, 3469 SdHoareTripleChecker+Invalid, 14422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4056 IncrementalHoareTripleChecker+Valid, 10366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-12-13 18:47:27,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6554 Valid, 3469 Invalid, 14422 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4056 Valid, 10366 Invalid, 0 Unknown, 0 Unchecked, 12.6s Time] [2022-12-13 18:47:27,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2576 states. [2022-12-13 18:47:27,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2576 to 2425. [2022-12-13 18:47:27,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2425 states, 1650 states have (on average 1.2642424242424242) internal successors, (2086), 1713 states have internal predecessors, (2086), 634 states have call successors, (634), 130 states have call predecessors, (634), 129 states have return successors, (632), 615 states have call predecessors, (632), 632 states have call successors, (632) [2022-12-13 18:47:27,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2425 states to 2425 states and 3352 transitions. [2022-12-13 18:47:27,743 INFO L78 Accepts]: Start accepts. Automaton has 2425 states and 3352 transitions. Word has length 175 [2022-12-13 18:47:27,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:47:27,743 INFO L495 AbstractCegarLoop]: Abstraction has 2425 states and 3352 transitions. [2022-12-13 18:47:27,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 18:47:27,743 INFO L276 IsEmpty]: Start isEmpty. Operand 2425 states and 3352 transitions. [2022-12-13 18:47:27,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-12-13 18:47:27,744 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:47:27,744 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-12-13 18:47:27,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-13 18:47:27,745 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:47:27,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:27,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1156734891, now seen corresponding path program 1 times [2022-12-13 18:47:27,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:27,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281916379] [2022-12-13 18:47:27,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:27,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:27,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:47:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:27,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:47:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:27,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:47:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:28,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 18:47:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:28,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:47:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:28,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:47:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:28,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:47:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:28,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 18:47:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:28,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 18:47:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:28,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 18:47:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:28,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 18:47:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:28,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 18:47:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:28,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 18:47:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:28,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 18:47:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:28,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:47:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:28,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 18:47:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:28,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 18:47:28,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:28,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 18:47:28,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:28,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 18:47:28,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:28,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 18:47:28,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:28,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 18:47:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:28,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 18:47:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:28,102 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 18:47:28,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:47:28,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281916379] [2022-12-13 18:47:28,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281916379] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:47:28,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:47:28,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:47:28,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122257672] [2022-12-13 18:47:28,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:47:28,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:47:28,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:47:28,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:47:28,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:47:28,104 INFO L87 Difference]: Start difference. First operand 2425 states and 3352 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 18:47:40,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:47:40,528 INFO L93 Difference]: Finished difference Result 2576 states and 3601 transitions. [2022-12-13 18:47:40,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 18:47:40,529 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 143 [2022-12-13 18:47:40,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:47:40,533 INFO L225 Difference]: With dead ends: 2576 [2022-12-13 18:47:40,533 INFO L226 Difference]: Without dead ends: 2574 [2022-12-13 18:47:40,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-12-13 18:47:40,534 INFO L413 NwaCegarLoop]: 856 mSDtfsCounter, 6423 mSDsluCounter, 1965 mSDsCounter, 0 mSdLazyCounter, 7520 mSolverCounterSat, 4065 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6615 SdHoareTripleChecker+Valid, 2821 SdHoareTripleChecker+Invalid, 11585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4065 IncrementalHoareTripleChecker+Valid, 7520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-12-13 18:47:40,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6615 Valid, 2821 Invalid, 11585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4065 Valid, 7520 Invalid, 0 Unknown, 0 Unchecked, 11.9s Time] [2022-12-13 18:47:40,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2574 states. [2022-12-13 18:47:40,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2574 to 2423. [2022-12-13 18:47:40,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2423 states, 1649 states have (on average 1.2637962401455427) internal successors, (2084), 1711 states have internal predecessors, (2084), 634 states have call successors, (634), 130 states have call predecessors, (634), 129 states have return successors, (632), 615 states have call predecessors, (632), 632 states have call successors, (632) [2022-12-13 18:47:40,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2423 states to 2423 states and 3350 transitions. [2022-12-13 18:47:40,762 INFO L78 Accepts]: Start accepts. Automaton has 2423 states and 3350 transitions. Word has length 143 [2022-12-13 18:47:40,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:47:40,762 INFO L495 AbstractCegarLoop]: Abstraction has 2423 states and 3350 transitions. [2022-12-13 18:47:40,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 18:47:40,762 INFO L276 IsEmpty]: Start isEmpty. Operand 2423 states and 3350 transitions. [2022-12-13 18:47:40,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-12-13 18:47:40,763 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:47:40,763 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-12-13 18:47:40,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-13 18:47:40,764 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:47:40,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:40,764 INFO L85 PathProgramCache]: Analyzing trace with hash -190004331, now seen corresponding path program 1 times [2022-12-13 18:47:40,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:40,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9189607] [2022-12-13 18:47:40,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:40,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:41,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:47:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:41,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:47:41,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:41,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:47:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:41,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 18:47:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:41,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:47:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:41,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:47:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:41,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:47:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:41,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 18:47:41,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:41,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 18:47:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:41,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 18:47:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:41,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 18:47:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:41,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 18:47:41,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:41,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 18:47:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:41,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 18:47:41,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:41,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:47:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:41,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 18:47:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:41,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 18:47:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:41,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 18:47:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:41,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 18:47:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:41,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 18:47:41,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:41,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 18:47:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:41,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 18:47:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:41,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 18:47:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:41,565 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 18:47:41,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:47:41,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9189607] [2022-12-13 18:47:41,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9189607] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:47:41,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:47:41,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:47:41,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388273541] [2022-12-13 18:47:41,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:47:41,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:47:41,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:47:41,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:47:41,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:47:41,568 INFO L87 Difference]: Start difference. First operand 2423 states and 3350 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-13 18:47:54,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:47:54,057 INFO L93 Difference]: Finished difference Result 2574 states and 3599 transitions. [2022-12-13 18:47:54,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 18:47:54,057 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 149 [2022-12-13 18:47:54,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:47:54,062 INFO L225 Difference]: With dead ends: 2574 [2022-12-13 18:47:54,062 INFO L226 Difference]: Without dead ends: 2572 [2022-12-13 18:47:54,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-12-13 18:47:54,063 INFO L413 NwaCegarLoop]: 857 mSDtfsCounter, 6421 mSDsluCounter, 1965 mSDsCounter, 0 mSdLazyCounter, 7514 mSolverCounterSat, 4069 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6611 SdHoareTripleChecker+Valid, 2822 SdHoareTripleChecker+Invalid, 11583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4069 IncrementalHoareTripleChecker+Valid, 7514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-12-13 18:47:54,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6611 Valid, 2822 Invalid, 11583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4069 Valid, 7514 Invalid, 0 Unknown, 0 Unchecked, 11.9s Time] [2022-12-13 18:47:54,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2572 states. [2022-12-13 18:47:54,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2572 to 2421. [2022-12-13 18:47:54,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2421 states, 1648 states have (on average 1.2633495145631068) internal successors, (2082), 1709 states have internal predecessors, (2082), 634 states have call successors, (634), 130 states have call predecessors, (634), 129 states have return successors, (632), 615 states have call predecessors, (632), 632 states have call successors, (632) [2022-12-13 18:47:54,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2421 states to 2421 states and 3348 transitions. [2022-12-13 18:47:54,309 INFO L78 Accepts]: Start accepts. Automaton has 2421 states and 3348 transitions. Word has length 149 [2022-12-13 18:47:54,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:47:54,309 INFO L495 AbstractCegarLoop]: Abstraction has 2421 states and 3348 transitions. [2022-12-13 18:47:54,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-13 18:47:54,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2421 states and 3348 transitions. [2022-12-13 18:47:54,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-12-13 18:47:54,311 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:47:54,311 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:47:54,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-13 18:47:54,311 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:47:54,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:54,311 INFO L85 PathProgramCache]: Analyzing trace with hash -2145902243, now seen corresponding path program 1 times [2022-12-13 18:47:54,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:54,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683501578] [2022-12-13 18:47:54,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:54,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:54,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:47:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:54,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:47:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:54,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:47:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:54,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 18:47:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:54,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:47:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:54,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:47:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:54,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:47:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:54,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 18:47:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:54,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 18:47:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:54,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 18:47:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:54,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 18:47:54,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:54,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 18:47:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:54,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 18:47:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:54,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 18:47:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:54,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:47:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:54,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 18:47:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:54,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 18:47:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:54,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 18:47:54,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:54,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 18:47:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:54,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 18:47:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:54,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 18:47:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:54,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 18:47:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:54,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 18:47:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:54,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 18:47:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:54,666 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 18:47:54,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:47:54,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683501578] [2022-12-13 18:47:54,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683501578] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:47:54,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:47:54,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:47:54,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837196969] [2022-12-13 18:47:54,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:47:54,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:47:54,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:47:54,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:47:54,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:47:54,668 INFO L87 Difference]: Start difference. First operand 2421 states and 3348 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-13 18:48:07,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:48:07,491 INFO L93 Difference]: Finished difference Result 2572 states and 3597 transitions. [2022-12-13 18:48:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 18:48:07,491 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 155 [2022-12-13 18:48:07,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:48:07,495 INFO L225 Difference]: With dead ends: 2572 [2022-12-13 18:48:07,495 INFO L226 Difference]: Without dead ends: 2570 [2022-12-13 18:48:07,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-12-13 18:48:07,496 INFO L413 NwaCegarLoop]: 855 mSDtfsCounter, 6461 mSDsluCounter, 1965 mSDsCounter, 0 mSdLazyCounter, 7463 mSolverCounterSat, 4084 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6652 SdHoareTripleChecker+Valid, 2820 SdHoareTripleChecker+Invalid, 11547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4084 IncrementalHoareTripleChecker+Valid, 7463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2022-12-13 18:48:07,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6652 Valid, 2820 Invalid, 11547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4084 Valid, 7463 Invalid, 0 Unknown, 0 Unchecked, 12.3s Time] [2022-12-13 18:48:07,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2570 states. [2022-12-13 18:48:07,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2570 to 2419. [2022-12-13 18:48:07,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2419 states, 1647 states have (on average 1.2629022465088038) internal successors, (2080), 1707 states have internal predecessors, (2080), 634 states have call successors, (634), 130 states have call predecessors, (634), 129 states have return successors, (632), 615 states have call predecessors, (632), 632 states have call successors, (632) [2022-12-13 18:48:07,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2419 states to 2419 states and 3346 transitions. [2022-12-13 18:48:07,752 INFO L78 Accepts]: Start accepts. Automaton has 2419 states and 3346 transitions. Word has length 155 [2022-12-13 18:48:07,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:48:07,752 INFO L495 AbstractCegarLoop]: Abstraction has 2419 states and 3346 transitions. [2022-12-13 18:48:07,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-13 18:48:07,753 INFO L276 IsEmpty]: Start isEmpty. Operand 2419 states and 3346 transitions. [2022-12-13 18:48:07,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-12-13 18:48:07,755 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:48:07,756 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:48:07,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-13 18:48:07,756 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:48:07,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:48:07,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1539535198, now seen corresponding path program 1 times [2022-12-13 18:48:07,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:48:07,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187098943] [2022-12-13 18:48:07,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:48:07,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:48:07,825 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 18:48:07,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2126194098] [2022-12-13 18:48:07,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:48:07,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:48:07,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:07,827 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:48:07,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 18:48:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:08,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 4209 conjuncts, 44 conjunts are in the unsatisfiable core [2022-12-13 18:48:08,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:48:08,781 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2022-12-13 18:48:08,781 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:48:08,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:48:08,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187098943] [2022-12-13 18:48:08,781 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 18:48:08,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126194098] [2022-12-13 18:48:08,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2126194098] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:48:08,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:48:08,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-13 18:48:08,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355309753] [2022-12-13 18:48:08,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:48:08,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-13 18:48:08,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:48:08,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-13 18:48:08,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2022-12-13 18:48:08,783 INFO L87 Difference]: Start difference. First operand 2419 states and 3346 transitions. Second operand has 14 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 6 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 6 states have call predecessors, (25), 6 states have call successors, (25) [2022-12-13 18:48:09,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:48:09,626 INFO L93 Difference]: Finished difference Result 4669 states and 6454 transitions. [2022-12-13 18:48:09,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 18:48:09,628 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 6 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 6 states have call predecessors, (25), 6 states have call successors, (25) Word has length 192 [2022-12-13 18:48:09,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:48:09,633 INFO L225 Difference]: With dead ends: 4669 [2022-12-13 18:48:09,633 INFO L226 Difference]: Without dead ends: 2455 [2022-12-13 18:48:09,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2022-12-13 18:48:09,638 INFO L413 NwaCegarLoop]: 3338 mSDtfsCounter, 56 mSDsluCounter, 39815 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 43153 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 18:48:09,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 43153 Invalid, 606 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [160 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 18:48:09,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2455 states. [2022-12-13 18:48:09,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2455 to 2431. [2022-12-13 18:48:09,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2431 states, 1655 states have (on average 1.261631419939577) internal successors, (2088), 1715 states have internal predecessors, (2088), 638 states have call successors, (638), 130 states have call predecessors, (638), 129 states have return successors, (636), 619 states have call predecessors, (636), 636 states have call successors, (636) [2022-12-13 18:48:09,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2431 states to 2431 states and 3362 transitions. [2022-12-13 18:48:09,896 INFO L78 Accepts]: Start accepts. Automaton has 2431 states and 3362 transitions. Word has length 192 [2022-12-13 18:48:09,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:48:09,896 INFO L495 AbstractCegarLoop]: Abstraction has 2431 states and 3362 transitions. [2022-12-13 18:48:09,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 6 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 6 states have call predecessors, (25), 6 states have call successors, (25) [2022-12-13 18:48:09,896 INFO L276 IsEmpty]: Start isEmpty. Operand 2431 states and 3362 transitions. [2022-12-13 18:48:09,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-12-13 18:48:09,898 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:48:09,898 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:48:09,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 18:48:10,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:48:10,100 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:48:10,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:48:10,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1475862913, now seen corresponding path program 1 times [2022-12-13 18:48:10,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:48:10,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102761883] [2022-12-13 18:48:10,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:48:10,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:48:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:10,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:48:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:10,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:48:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:10,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:48:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:10,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 18:48:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:10,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:48:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:10,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:48:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:10,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:48:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:10,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 18:48:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:10,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 18:48:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:10,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 18:48:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:10,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 18:48:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:10,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 18:48:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:10,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 18:48:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:10,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 18:48:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:10,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:48:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:10,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 18:48:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:10,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 18:48:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:10,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 18:48:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:10,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 18:48:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:10,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 18:48:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:10,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 18:48:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:10,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 18:48:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:10,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 18:48:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:10,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 18:48:10,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:10,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 18:48:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:10,466 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 18:48:10,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:48:10,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102761883] [2022-12-13 18:48:10,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102761883] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:48:10,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:48:10,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:48:10,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695615724] [2022-12-13 18:48:10,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:48:10,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:48:10,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:48:10,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:48:10,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:48:10,468 INFO L87 Difference]: Start difference. First operand 2431 states and 3362 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-13 18:48:23,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:48:23,023 INFO L93 Difference]: Finished difference Result 2582 states and 3611 transitions. [2022-12-13 18:48:23,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 18:48:23,024 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 161 [2022-12-13 18:48:23,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:48:23,028 INFO L225 Difference]: With dead ends: 2582 [2022-12-13 18:48:23,028 INFO L226 Difference]: Without dead ends: 2580 [2022-12-13 18:48:23,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-12-13 18:48:23,029 INFO L413 NwaCegarLoop]: 856 mSDtfsCounter, 6447 mSDsluCounter, 1965 mSDsCounter, 0 mSdLazyCounter, 7464 mSolverCounterSat, 4087 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6636 SdHoareTripleChecker+Valid, 2821 SdHoareTripleChecker+Invalid, 11551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4087 IncrementalHoareTripleChecker+Valid, 7464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:48:23,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6636 Valid, 2821 Invalid, 11551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4087 Valid, 7464 Invalid, 0 Unknown, 0 Unchecked, 12.0s Time] [2022-12-13 18:48:23,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2580 states. [2022-12-13 18:48:23,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2580 to 2429. [2022-12-13 18:48:23,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2429 states, 1654 states have (on average 1.2611850060459493) internal successors, (2086), 1713 states have internal predecessors, (2086), 638 states have call successors, (638), 130 states have call predecessors, (638), 129 states have return successors, (636), 619 states have call predecessors, (636), 636 states have call successors, (636) [2022-12-13 18:48:23,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2429 states to 2429 states and 3360 transitions. [2022-12-13 18:48:23,321 INFO L78 Accepts]: Start accepts. Automaton has 2429 states and 3360 transitions. Word has length 161 [2022-12-13 18:48:23,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:48:23,321 INFO L495 AbstractCegarLoop]: Abstraction has 2429 states and 3360 transitions. [2022-12-13 18:48:23,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-13 18:48:23,322 INFO L276 IsEmpty]: Start isEmpty. Operand 2429 states and 3360 transitions. [2022-12-13 18:48:23,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-12-13 18:48:23,324 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:48:23,324 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:48:23,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-13 18:48:23,325 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:48:23,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:48:23,325 INFO L85 PathProgramCache]: Analyzing trace with hash -2105017583, now seen corresponding path program 1 times [2022-12-13 18:48:23,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:48:23,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258406153] [2022-12-13 18:48:23,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:48:23,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:48:23,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:23,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:48:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:23,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:48:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:23,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:48:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:23,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 18:48:23,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:23,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:48:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:23,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:48:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:23,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:48:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:23,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 18:48:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:23,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 18:48:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:23,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 18:48:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:23,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 18:48:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:23,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 18:48:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:23,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 18:48:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:23,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 18:48:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:23,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:48:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:23,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 18:48:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:23,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 18:48:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:23,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 18:48:23,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:23,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 18:48:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:23,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 18:48:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:23,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 18:48:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:23,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 18:48:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:23,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 18:48:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:23,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 18:48:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:23,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 18:48:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:23,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 18:48:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:23,692 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 18:48:23,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:48:23,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258406153] [2022-12-13 18:48:23,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258406153] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:48:23,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:48:23,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:48:23,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039879652] [2022-12-13 18:48:23,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:48:23,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:48:23,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:48:23,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:48:23,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:48:23,694 INFO L87 Difference]: Start difference. First operand 2429 states and 3360 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-13 18:48:35,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:48:35,578 INFO L93 Difference]: Finished difference Result 2580 states and 3609 transitions. [2022-12-13 18:48:35,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 18:48:35,578 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 167 [2022-12-13 18:48:35,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:48:35,583 INFO L225 Difference]: With dead ends: 2580 [2022-12-13 18:48:35,583 INFO L226 Difference]: Without dead ends: 2578 [2022-12-13 18:48:35,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-12-13 18:48:35,585 INFO L413 NwaCegarLoop]: 855 mSDtfsCounter, 6448 mSDsluCounter, 1965 mSDsCounter, 0 mSdLazyCounter, 7447 mSolverCounterSat, 4090 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6637 SdHoareTripleChecker+Valid, 2820 SdHoareTripleChecker+Invalid, 11537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4090 IncrementalHoareTripleChecker+Valid, 7447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-12-13 18:48:35,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6637 Valid, 2820 Invalid, 11537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4090 Valid, 7447 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2022-12-13 18:48:35,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2578 states. [2022-12-13 18:48:35,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2578 to 2427. [2022-12-13 18:48:35,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2427 states, 1653 states have (on average 1.2607380520266183) internal successors, (2084), 1711 states have internal predecessors, (2084), 638 states have call successors, (638), 130 states have call predecessors, (638), 129 states have return successors, (636), 619 states have call predecessors, (636), 636 states have call successors, (636) [2022-12-13 18:48:35,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2427 states to 2427 states and 3358 transitions. [2022-12-13 18:48:35,864 INFO L78 Accepts]: Start accepts. Automaton has 2427 states and 3358 transitions. Word has length 167 [2022-12-13 18:48:35,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:48:35,864 INFO L495 AbstractCegarLoop]: Abstraction has 2427 states and 3358 transitions. [2022-12-13 18:48:35,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-13 18:48:35,864 INFO L276 IsEmpty]: Start isEmpty. Operand 2427 states and 3358 transitions. [2022-12-13 18:48:35,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-12-13 18:48:35,866 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:48:35,866 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:48:35,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-13 18:48:35,866 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:48:35,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:48:35,867 INFO L85 PathProgramCache]: Analyzing trace with hash -204039315, now seen corresponding path program 1 times [2022-12-13 18:48:35,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:48:35,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222799549] [2022-12-13 18:48:35,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:48:35,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:48:35,937 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 18:48:35,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1159305854] [2022-12-13 18:48:35,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:48:35,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:48:35,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:35,938 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:48:35,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 18:48:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:36,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 4287 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-13 18:48:36,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:48:36,673 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2022-12-13 18:48:36,673 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:48:36,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:48:36,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222799549] [2022-12-13 18:48:36,673 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 18:48:36,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159305854] [2022-12-13 18:48:36,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159305854] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:48:36,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:48:36,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 18:48:36,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020131368] [2022-12-13 18:48:36,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:48:36,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 18:48:36,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:48:36,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 18:48:36,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-13 18:48:36,675 INFO L87 Difference]: Start difference. First operand 2427 states and 3358 transitions. Second operand has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-13 18:48:37,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:48:37,871 INFO L93 Difference]: Finished difference Result 5666 states and 7959 transitions. [2022-12-13 18:48:37,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 18:48:37,872 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) Word has length 208 [2022-12-13 18:48:37,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:48:37,879 INFO L225 Difference]: With dead ends: 5666 [2022-12-13 18:48:37,879 INFO L226 Difference]: Without dead ends: 3416 [2022-12-13 18:48:37,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-12-13 18:48:37,884 INFO L413 NwaCegarLoop]: 3710 mSDtfsCounter, 1886 mSDsluCounter, 22366 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 738 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2070 SdHoareTripleChecker+Valid, 26076 SdHoareTripleChecker+Invalid, 979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 738 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 18:48:37,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2070 Valid, 26076 Invalid, 979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [738 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 18:48:37,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3416 states. [2022-12-13 18:48:38,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3416 to 2430. [2022-12-13 18:48:38,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2430 states, 1656 states have (on average 1.2602657004830917) internal successors, (2087), 1714 states have internal predecessors, (2087), 638 states have call successors, (638), 130 states have call predecessors, (638), 129 states have return successors, (636), 619 states have call predecessors, (636), 636 states have call successors, (636) [2022-12-13 18:48:38,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2430 states to 2430 states and 3361 transitions. [2022-12-13 18:48:38,204 INFO L78 Accepts]: Start accepts. Automaton has 2430 states and 3361 transitions. Word has length 208 [2022-12-13 18:48:38,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:48:38,205 INFO L495 AbstractCegarLoop]: Abstraction has 2430 states and 3361 transitions. [2022-12-13 18:48:38,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-13 18:48:38,205 INFO L276 IsEmpty]: Start isEmpty. Operand 2430 states and 3361 transitions. [2022-12-13 18:48:38,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-12-13 18:48:38,206 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:48:38,206 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:48:38,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 18:48:38,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-12-13 18:48:38,408 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:48:38,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:48:38,409 INFO L85 PathProgramCache]: Analyzing trace with hash 140570273, now seen corresponding path program 1 times [2022-12-13 18:48:38,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:48:38,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890489693] [2022-12-13 18:48:38,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:48:38,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:48:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:38,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:48:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:38,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:48:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:38,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:48:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:38,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 18:48:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:38,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:48:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:38,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:48:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:38,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:48:38,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:38,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 18:48:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:38,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 18:48:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:38,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 18:48:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:38,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 18:48:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:38,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 18:48:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:38,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 18:48:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:38,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 18:48:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:38,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:48:38,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:38,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 18:48:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:38,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 18:48:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:38,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 18:48:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:38,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 18:48:38,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:38,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 18:48:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:38,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 18:48:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:38,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 18:48:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:38,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 18:48:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:38,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 18:48:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:38,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 18:48:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:38,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 18:48:38,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:38,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 18:48:38,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:38,898 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 18:48:38,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:48:38,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890489693] [2022-12-13 18:48:38,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890489693] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:48:38,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:48:38,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:48:38,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082326333] [2022-12-13 18:48:38,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:48:38,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:48:38,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:48:38,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:48:38,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:48:38,899 INFO L87 Difference]: Start difference. First operand 2430 states and 3361 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-13 18:48:51,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:48:51,757 INFO L93 Difference]: Finished difference Result 2581 states and 3610 transitions. [2022-12-13 18:48:51,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 18:48:51,757 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 173 [2022-12-13 18:48:51,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:48:51,762 INFO L225 Difference]: With dead ends: 2581 [2022-12-13 18:48:51,762 INFO L226 Difference]: Without dead ends: 2579 [2022-12-13 18:48:51,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-12-13 18:48:51,763 INFO L413 NwaCegarLoop]: 856 mSDtfsCounter, 6443 mSDsluCounter, 1965 mSDsCounter, 0 mSdLazyCounter, 7446 mSolverCounterSat, 4091 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6630 SdHoareTripleChecker+Valid, 2821 SdHoareTripleChecker+Invalid, 11537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4091 IncrementalHoareTripleChecker+Valid, 7446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-12-13 18:48:51,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6630 Valid, 2821 Invalid, 11537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4091 Valid, 7446 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time] [2022-12-13 18:48:51,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2022-12-13 18:48:52,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 2428. [2022-12-13 18:48:52,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2428 states, 1655 states have (on average 1.2598187311178248) internal successors, (2085), 1712 states have internal predecessors, (2085), 638 states have call successors, (638), 130 states have call predecessors, (638), 129 states have return successors, (636), 619 states have call predecessors, (636), 636 states have call successors, (636) [2022-12-13 18:48:52,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2428 states to 2428 states and 3359 transitions. [2022-12-13 18:48:52,088 INFO L78 Accepts]: Start accepts. Automaton has 2428 states and 3359 transitions. Word has length 173 [2022-12-13 18:48:52,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:48:52,088 INFO L495 AbstractCegarLoop]: Abstraction has 2428 states and 3359 transitions. [2022-12-13 18:48:52,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-13 18:48:52,088 INFO L276 IsEmpty]: Start isEmpty. Operand 2428 states and 3359 transitions. [2022-12-13 18:48:52,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-12-13 18:48:52,090 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:48:52,090 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:48:52,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-12-13 18:48:52,090 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:48:52,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:48:52,091 INFO L85 PathProgramCache]: Analyzing trace with hash -664741532, now seen corresponding path program 1 times [2022-12-13 18:48:52,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:48:52,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858868806] [2022-12-13 18:48:52,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:48:52,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:48:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:52,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:48:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:52,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:48:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:52,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:48:52,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:52,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 18:48:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:52,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:48:52,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:52,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:48:52,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:52,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:48:52,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:52,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 18:48:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:52,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 18:48:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:52,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 18:48:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:52,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 18:48:52,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:52,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 18:48:52,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:52,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 18:48:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:52,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 18:48:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:52,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 18:48:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:52,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 18:48:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:52,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 18:48:52,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:52,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 18:48:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:52,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 18:48:52,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:52,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 18:48:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:52,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 18:48:52,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:52,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 18:48:52,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:52,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 18:48:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:52,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 18:48:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:52,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 18:48:52,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:52,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 18:48:52,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:52,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 18:48:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:52,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 18:48:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:52,466 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 18:48:52,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:48:52,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858868806] [2022-12-13 18:48:52,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858868806] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:48:52,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:48:52,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:48:52,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540308623] [2022-12-13 18:48:52,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:48:52,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:48:52,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:48:52,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:48:52,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:48:52,468 INFO L87 Difference]: Start difference. First operand 2428 states and 3359 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 18:49:04,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:49:04,606 INFO L93 Difference]: Finished difference Result 2579 states and 3608 transitions. [2022-12-13 18:49:04,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 18:49:04,606 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 179 [2022-12-13 18:49:04,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:49:04,611 INFO L225 Difference]: With dead ends: 2579 [2022-12-13 18:49:04,611 INFO L226 Difference]: Without dead ends: 2408 [2022-12-13 18:49:04,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-12-13 18:49:04,612 INFO L413 NwaCegarLoop]: 857 mSDtfsCounter, 6369 mSDsluCounter, 1965 mSDsCounter, 0 mSdLazyCounter, 7505 mSolverCounterSat, 4065 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6554 SdHoareTripleChecker+Valid, 2822 SdHoareTripleChecker+Invalid, 11570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4065 IncrementalHoareTripleChecker+Valid, 7505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2022-12-13 18:49:04,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6554 Valid, 2822 Invalid, 11570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4065 Valid, 7505 Invalid, 0 Unknown, 0 Unchecked, 11.5s Time] [2022-12-13 18:49:04,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2408 states. [2022-12-13 18:49:04,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2408 to 2257. [2022-12-13 18:49:04,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2257 states, 1550 states have (on average 1.2748387096774194) internal successors, (1976), 1605 states have internal predecessors, (1976), 592 states have call successors, (592), 110 states have call predecessors, (592), 110 states have return successors, (592), 575 states have call predecessors, (592), 592 states have call successors, (592) [2022-12-13 18:49:04,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2257 states to 2257 states and 3160 transitions. [2022-12-13 18:49:04,916 INFO L78 Accepts]: Start accepts. Automaton has 2257 states and 3160 transitions. Word has length 179 [2022-12-13 18:49:04,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:49:04,917 INFO L495 AbstractCegarLoop]: Abstraction has 2257 states and 3160 transitions. [2022-12-13 18:49:04,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 18:49:04,917 INFO L276 IsEmpty]: Start isEmpty. Operand 2257 states and 3160 transitions. [2022-12-13 18:49:04,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-12-13 18:49:04,918 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:49:04,919 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:49:04,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-12-13 18:49:04,919 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:49:04,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:49:04,919 INFO L85 PathProgramCache]: Analyzing trace with hash 2067889738, now seen corresponding path program 1 times [2022-12-13 18:49:04,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:49:04,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493629915] [2022-12-13 18:49:04,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:49:04,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:49:04,990 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 18:49:04,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2077891237] [2022-12-13 18:49:04,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:49:04,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:49:04,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:49:04,991 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:49:04,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 18:49:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:05,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 4331 conjuncts, 56 conjunts are in the unsatisfiable core [2022-12-13 18:49:05,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:49:06,012 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-12-13 18:49:06,012 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:49:06,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:49:06,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493629915] [2022-12-13 18:49:06,013 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 18:49:06,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077891237] [2022-12-13 18:49:06,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077891237] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:49:06,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:49:06,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-12-13 18:49:06,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137729427] [2022-12-13 18:49:06,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:49:06,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-13 18:49:06,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:49:06,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-13 18:49:06,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2022-12-13 18:49:06,015 INFO L87 Difference]: Start difference. First operand 2257 states and 3160 transitions. Second operand has 15 states, 14 states have (on average 7.785714285714286) internal successors, (109), 14 states have internal predecessors, (109), 7 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (29), 7 states have call predecessors, (29), 7 states have call successors, (29) [2022-12-13 18:49:06,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:49:06,787 INFO L93 Difference]: Finished difference Result 4319 states and 6058 transitions. [2022-12-13 18:49:06,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 18:49:06,788 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 7.785714285714286) internal successors, (109), 14 states have internal predecessors, (109), 7 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (29), 7 states have call predecessors, (29), 7 states have call successors, (29) Word has length 231 [2022-12-13 18:49:06,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:49:06,792 INFO L225 Difference]: With dead ends: 4319 [2022-12-13 18:49:06,792 INFO L226 Difference]: Without dead ends: 2244 [2022-12-13 18:49:06,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=446, Unknown=0, NotChecked=0, Total=552 [2022-12-13 18:49:06,796 INFO L413 NwaCegarLoop]: 3130 mSDtfsCounter, 49 mSDsluCounter, 40609 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 43739 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 18:49:06,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 43739 Invalid, 455 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [22 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 18:49:06,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2244 states. [2022-12-13 18:49:07,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2244 to 2244. [2022-12-13 18:49:07,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2244 states, 1541 states have (on average 1.2751460090850097) internal successors, (1965), 1596 states have internal predecessors, (1965), 589 states have call successors, (589), 109 states have call predecessors, (589), 109 states have return successors, (589), 572 states have call predecessors, (589), 589 states have call successors, (589) [2022-12-13 18:49:07,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 2244 states and 3143 transitions. [2022-12-13 18:49:07,134 INFO L78 Accepts]: Start accepts. Automaton has 2244 states and 3143 transitions. Word has length 231 [2022-12-13 18:49:07,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:49:07,134 INFO L495 AbstractCegarLoop]: Abstraction has 2244 states and 3143 transitions. [2022-12-13 18:49:07,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 7.785714285714286) internal successors, (109), 14 states have internal predecessors, (109), 7 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (29), 7 states have call predecessors, (29), 7 states have call successors, (29) [2022-12-13 18:49:07,135 INFO L276 IsEmpty]: Start isEmpty. Operand 2244 states and 3143 transitions. [2022-12-13 18:49:07,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-12-13 18:49:07,136 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:49:07,136 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:49:07,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-13 18:49:07,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:49:07,337 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:49:07,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:49:07,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1680014594, now seen corresponding path program 1 times [2022-12-13 18:49:07,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:49:07,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089951435] [2022-12-13 18:49:07,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:49:07,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:49:07,437 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 18:49:07,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2098690788] [2022-12-13 18:49:07,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:49:07,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:49:07,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:49:07,438 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:49:07,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 18:49:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:08,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 4428 conjuncts, 57 conjunts are in the unsatisfiable core [2022-12-13 18:49:08,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:49:09,012 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 3 proven. 30 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2022-12-13 18:49:09,013 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:49:09,552 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2022-12-13 18:49:09,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:49:09,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089951435] [2022-12-13 18:49:09,553 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 18:49:09,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098690788] [2022-12-13 18:49:09,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098690788] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 18:49:09,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 18:49:09,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [14] total 26 [2022-12-13 18:49:09,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928340300] [2022-12-13 18:49:09,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:49:09,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 18:49:09,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:49:09,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 18:49:09,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=482, Unknown=0, NotChecked=0, Total=650 [2022-12-13 18:49:09,555 INFO L87 Difference]: Start difference. First operand 2244 states and 3143 transitions. Second operand has 13 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 states have internal predecessors, (95), 4 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2022-12-13 18:49:13,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:49:13,414 INFO L93 Difference]: Finished difference Result 2311 states and 3208 transitions. [2022-12-13 18:49:13,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 18:49:13,415 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 states have internal predecessors, (95), 4 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 245 [2022-12-13 18:49:13,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:49:13,419 INFO L225 Difference]: With dead ends: 2311 [2022-12-13 18:49:13,419 INFO L226 Difference]: Without dead ends: 2309 [2022-12-13 18:49:13,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 464 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=207, Invalid=605, Unknown=0, NotChecked=0, Total=812 [2022-12-13 18:49:13,420 INFO L413 NwaCegarLoop]: 3168 mSDtfsCounter, 15991 mSDsluCounter, 7414 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 7963 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15993 SdHoareTripleChecker+Valid, 10582 SdHoareTripleChecker+Invalid, 8040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7963 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-13 18:49:13,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15993 Valid, 10582 Invalid, 8040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7963 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-12-13 18:49:13,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2309 states. [2022-12-13 18:49:13,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2309 to 2307. [2022-12-13 18:49:13,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2307 states, 1583 states have (on average 1.2691092861655084) internal successors, (2009), 1638 states have internal predecessors, (2009), 598 states have call successors, (598), 121 states have call predecessors, (598), 121 states have return successors, (598), 581 states have call predecessors, (598), 598 states have call successors, (598) [2022-12-13 18:49:13,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 2307 states and 3205 transitions. [2022-12-13 18:49:13,852 INFO L78 Accepts]: Start accepts. Automaton has 2307 states and 3205 transitions. Word has length 245 [2022-12-13 18:49:13,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:49:13,852 INFO L495 AbstractCegarLoop]: Abstraction has 2307 states and 3205 transitions. [2022-12-13 18:49:13,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 states have internal predecessors, (95), 4 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2022-12-13 18:49:13,852 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 3205 transitions. [2022-12-13 18:49:13,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-12-13 18:49:13,854 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:49:13,854 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:49:13,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-13 18:49:14,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2022-12-13 18:49:14,057 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:49:14,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:49:14,058 INFO L85 PathProgramCache]: Analyzing trace with hash -514936009, now seen corresponding path program 1 times [2022-12-13 18:49:14,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:49:14,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624363699] [2022-12-13 18:49:14,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:49:14,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:49:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:49:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:49:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:49:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 18:49:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 18:49:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 18:49:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:49:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:49:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 18:49:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 18:49:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 18:49:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 18:49:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 18:49:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:49:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 18:49:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-12-13 18:49:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 18:49:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 18:49:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:49:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:49:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 18:49:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 18:49:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:49:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:49:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 18:49:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 18:49:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:49:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:49:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 18:49:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-12-13 18:49:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-12-13 18:49:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 18:49:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 18:49:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-12-13 18:49:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 18:49:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 18:49:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-12-13 18:49:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:49:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:49:14,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:14,701 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2022-12-13 18:49:14,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:49:14,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624363699] [2022-12-13 18:49:14,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624363699] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:49:14,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:49:14,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 18:49:14,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661469913] [2022-12-13 18:49:14,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:49:14,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 18:49:14,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:49:14,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 18:49:14,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 18:49:14,703 INFO L87 Difference]: Start difference. First operand 2307 states and 3205 transitions. Second operand has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (35), 7 states have call predecessors, (35), 2 states have return successors, (30), 2 states have call predecessors, (30), 1 states have call successors, (30) [2022-12-13 18:49:35,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:49:35,451 INFO L93 Difference]: Finished difference Result 3024 states and 4423 transitions. [2022-12-13 18:49:35,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 18:49:35,451 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (35), 7 states have call predecessors, (35), 2 states have return successors, (30), 2 states have call predecessors, (30), 1 states have call successors, (30) Word has length 259 [2022-12-13 18:49:35,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:49:35,458 INFO L225 Difference]: With dead ends: 3024 [2022-12-13 18:49:35,458 INFO L226 Difference]: Without dead ends: 3022 [2022-12-13 18:49:35,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2022-12-13 18:49:35,459 INFO L413 NwaCegarLoop]: 747 mSDtfsCounter, 6159 mSDsluCounter, 3400 mSDsCounter, 0 mSdLazyCounter, 15046 mSolverCounterSat, 4957 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6159 SdHoareTripleChecker+Valid, 4147 SdHoareTripleChecker+Invalid, 20003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4957 IncrementalHoareTripleChecker+Valid, 15046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.7s IncrementalHoareTripleChecker+Time [2022-12-13 18:49:35,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6159 Valid, 4147 Invalid, 20003 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4957 Valid, 15046 Invalid, 0 Unknown, 0 Unchecked, 19.7s Time] [2022-12-13 18:49:35,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3022 states. [2022-12-13 18:49:35,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3022 to 2305. [2022-12-13 18:49:35,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2305 states, 1582 states have (on average 1.2686472819216181) internal successors, (2007), 1636 states have internal predecessors, (2007), 598 states have call successors, (598), 121 states have call predecessors, (598), 121 states have return successors, (598), 581 states have call predecessors, (598), 598 states have call successors, (598) [2022-12-13 18:49:35,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2305 states to 2305 states and 3203 transitions. [2022-12-13 18:49:35,801 INFO L78 Accepts]: Start accepts. Automaton has 2305 states and 3203 transitions. Word has length 259 [2022-12-13 18:49:35,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:49:35,801 INFO L495 AbstractCegarLoop]: Abstraction has 2305 states and 3203 transitions. [2022-12-13 18:49:35,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (35), 7 states have call predecessors, (35), 2 states have return successors, (30), 2 states have call predecessors, (30), 1 states have call successors, (30) [2022-12-13 18:49:35,801 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states and 3203 transitions. [2022-12-13 18:49:35,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-12-13 18:49:35,805 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:49:35,805 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:49:35,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-12-13 18:49:35,806 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:49:35,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:49:35,806 INFO L85 PathProgramCache]: Analyzing trace with hash -874841532, now seen corresponding path program 1 times [2022-12-13 18:49:35,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:49:35,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481021924] [2022-12-13 18:49:35,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:49:35,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:49:35,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:49:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:49:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:49:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 18:49:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 18:49:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 18:49:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:49:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:49:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 18:49:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 18:49:36,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 18:49:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 18:49:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 18:49:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:49:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 18:49:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-12-13 18:49:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 18:49:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 18:49:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:49:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:49:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 18:49:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 18:49:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:49:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:49:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 18:49:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 18:49:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:49:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:49:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 18:49:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-12-13 18:49:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-12-13 18:49:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-12-13 18:49:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 18:49:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-12-13 18:49:36,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:49:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:49:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 18:49:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 18:49:36,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 18:49:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 18:49:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:49:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:49:36,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 18:49:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:49:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 18:49:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-12-13 18:49:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:36,772 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 619 trivial. 0 not checked. [2022-12-13 18:49:36,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:49:36,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481021924] [2022-12-13 18:49:36,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481021924] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:49:36,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:49:36,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 18:49:36,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528809173] [2022-12-13 18:49:36,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:49:36,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 18:49:36,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:49:36,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 18:49:36,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2022-12-13 18:49:36,774 INFO L87 Difference]: Start difference. First operand 2305 states and 3203 transitions. Second operand has 12 states, 12 states have (on average 8.75) internal successors, (105), 6 states have internal predecessors, (105), 3 states have call successors, (35), 6 states have call predecessors, (35), 3 states have return successors, (33), 5 states have call predecessors, (33), 3 states have call successors, (33) [2022-12-13 18:50:04,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:50:04,048 INFO L93 Difference]: Finished difference Result 4390 states and 6130 transitions. [2022-12-13 18:50:04,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 18:50:04,049 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.75) internal successors, (105), 6 states have internal predecessors, (105), 3 states have call successors, (35), 6 states have call predecessors, (35), 3 states have return successors, (33), 5 states have call predecessors, (33), 3 states have call successors, (33) Word has length 286 [2022-12-13 18:50:04,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:50:04,054 INFO L225 Difference]: With dead ends: 4390 [2022-12-13 18:50:04,054 INFO L226 Difference]: Without dead ends: 2459 [2022-12-13 18:50:04,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=386, Unknown=0, NotChecked=0, Total=506 [2022-12-13 18:50:04,057 INFO L413 NwaCegarLoop]: 744 mSDtfsCounter, 3795 mSDsluCounter, 5138 mSDsCounter, 0 mSdLazyCounter, 21852 mSolverCounterSat, 2960 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3795 SdHoareTripleChecker+Valid, 5882 SdHoareTripleChecker+Invalid, 24812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2960 IncrementalHoareTripleChecker+Valid, 21852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.4s IncrementalHoareTripleChecker+Time [2022-12-13 18:50:04,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3795 Valid, 5882 Invalid, 24812 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2960 Valid, 21852 Invalid, 0 Unknown, 0 Unchecked, 26.4s Time] [2022-12-13 18:50:04,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2459 states. [2022-12-13 18:50:04,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2459 to 2314. [2022-12-13 18:50:04,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2314 states, 1588 states have (on average 1.2676322418136021) internal successors, (2013), 1642 states have internal predecessors, (2013), 599 states have call successors, (599), 121 states have call predecessors, (599), 123 states have return successors, (624), 584 states have call predecessors, (624), 599 states have call successors, (624) [2022-12-13 18:50:04,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2314 states to 2314 states and 3236 transitions. [2022-12-13 18:50:04,399 INFO L78 Accepts]: Start accepts. Automaton has 2314 states and 3236 transitions. Word has length 286 [2022-12-13 18:50:04,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:50:04,399 INFO L495 AbstractCegarLoop]: Abstraction has 2314 states and 3236 transitions. [2022-12-13 18:50:04,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.75) internal successors, (105), 6 states have internal predecessors, (105), 3 states have call successors, (35), 6 states have call predecessors, (35), 3 states have return successors, (33), 5 states have call predecessors, (33), 3 states have call successors, (33) [2022-12-13 18:50:04,399 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 3236 transitions. [2022-12-13 18:50:04,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-12-13 18:50:04,401 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:50:04,402 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:50:04,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-12-13 18:50:04,402 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:50:04,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:50:04,402 INFO L85 PathProgramCache]: Analyzing trace with hash 553608650, now seen corresponding path program 1 times [2022-12-13 18:50:04,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:50:04,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377628007] [2022-12-13 18:50:04,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:50:04,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:50:04,479 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 18:50:04,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1405274280] [2022-12-13 18:50:04,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:50:04,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:50:04,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:50:04,480 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:50:04,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 18:50:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:05,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 4543 conjuncts, 38 conjunts are in the unsatisfiable core [2022-12-13 18:50:05,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:50:05,714 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2022-12-13 18:50:05,714 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:50:05,954 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2022-12-13 18:50:05,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:50:05,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377628007] [2022-12-13 18:50:05,954 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 18:50:05,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405274280] [2022-12-13 18:50:05,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405274280] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 18:50:05,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 18:50:05,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 13 [2022-12-13 18:50:05,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764066094] [2022-12-13 18:50:05,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:50:05,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 18:50:05,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:50:05,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:50:05,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2022-12-13 18:50:05,956 INFO L87 Difference]: Start difference. First operand 2314 states and 3236 transitions. Second operand has 6 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 3 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-13 18:50:06,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:50:06,674 INFO L93 Difference]: Finished difference Result 4479 states and 6280 transitions. [2022-12-13 18:50:06,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 18:50:06,675 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 3 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 265 [2022-12-13 18:50:06,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:50:06,680 INFO L225 Difference]: With dead ends: 4479 [2022-12-13 18:50:06,680 INFO L226 Difference]: Without dead ends: 2371 [2022-12-13 18:50:06,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 529 GetRequests, 517 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-12-13 18:50:06,684 INFO L413 NwaCegarLoop]: 3188 mSDtfsCounter, 145 mSDsluCounter, 12540 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 15728 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 18:50:06,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 15728 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 18:50:06,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2371 states. [2022-12-13 18:50:07,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2371 to 2314. [2022-12-13 18:50:07,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2314 states, 1588 states have (on average 1.2670025188916876) internal successors, (2012), 1642 states have internal predecessors, (2012), 599 states have call successors, (599), 121 states have call predecessors, (599), 123 states have return successors, (624), 584 states have call predecessors, (624), 599 states have call successors, (624) [2022-12-13 18:50:07,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2314 states to 2314 states and 3235 transitions. [2022-12-13 18:50:07,029 INFO L78 Accepts]: Start accepts. Automaton has 2314 states and 3235 transitions. Word has length 265 [2022-12-13 18:50:07,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:50:07,030 INFO L495 AbstractCegarLoop]: Abstraction has 2314 states and 3235 transitions. [2022-12-13 18:50:07,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 3 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-13 18:50:07,030 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 3235 transitions. [2022-12-13 18:50:07,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-12-13 18:50:07,032 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:50:07,032 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:50:07,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 18:50:07,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2022-12-13 18:50:07,233 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:50:07,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:50:07,233 INFO L85 PathProgramCache]: Analyzing trace with hash 160581640, now seen corresponding path program 1 times [2022-12-13 18:50:07,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:50:07,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991357905] [2022-12-13 18:50:07,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:50:07,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:50:07,316 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 18:50:07,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [114367330] [2022-12-13 18:50:07,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:50:07,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:50:07,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:50:07,318 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:50:07,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 18:50:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:08,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 4544 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-13 18:50:08,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:50:08,457 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2022-12-13 18:50:08,457 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:50:08,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:50:08,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991357905] [2022-12-13 18:50:08,458 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 18:50:08,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114367330] [2022-12-13 18:50:08,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114367330] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:50:08,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:50:08,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:50:08,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037825178] [2022-12-13 18:50:08,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:50:08,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:50:08,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:50:08,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:50:08,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:50:08,460 INFO L87 Difference]: Start difference. First operand 2314 states and 3235 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 6 states have internal predecessors, (112), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-13 18:50:09,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:50:09,051 INFO L93 Difference]: Finished difference Result 4622 states and 6461 transitions. [2022-12-13 18:50:09,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 18:50:09,052 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 6 states have internal predecessors, (112), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 265 [2022-12-13 18:50:09,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:50:09,057 INFO L225 Difference]: With dead ends: 4622 [2022-12-13 18:50:09,057 INFO L226 Difference]: Without dead ends: 2314 [2022-12-13 18:50:09,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-13 18:50:09,061 INFO L413 NwaCegarLoop]: 3134 mSDtfsCounter, 3 mSDsluCounter, 15645 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 18779 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:50:09,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 18779 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 18:50:09,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2314 states. [2022-12-13 18:50:09,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2314 to 2314. [2022-12-13 18:50:09,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2314 states, 1588 states have (on average 1.2670025188916876) internal successors, (2012), 1642 states have internal predecessors, (2012), 599 states have call successors, (599), 121 states have call predecessors, (599), 123 states have return successors, (623), 584 states have call predecessors, (623), 599 states have call successors, (623) [2022-12-13 18:50:09,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2314 states to 2314 states and 3234 transitions. [2022-12-13 18:50:09,434 INFO L78 Accepts]: Start accepts. Automaton has 2314 states and 3234 transitions. Word has length 265 [2022-12-13 18:50:09,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:50:09,435 INFO L495 AbstractCegarLoop]: Abstraction has 2314 states and 3234 transitions. [2022-12-13 18:50:09,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 6 states have internal predecessors, (112), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-13 18:50:09,435 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 3234 transitions. [2022-12-13 18:50:09,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2022-12-13 18:50:09,438 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:50:09,439 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:50:09,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 18:50:09,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:50:09,640 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:50:09,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:50:09,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1587103568, now seen corresponding path program 1 times [2022-12-13 18:50:09,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:50:09,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566146711] [2022-12-13 18:50:09,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:50:09,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:50:09,770 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 18:50:09,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [337235274] [2022-12-13 18:50:09,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:50:09,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:50:09,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:50:09,772 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:50:09,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 18:50:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:10,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 4596 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 18:50:10,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:50:10,884 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2022-12-13 18:50:10,885 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:50:10,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:50:10,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566146711] [2022-12-13 18:50:10,885 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 18:50:10,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337235274] [2022-12-13 18:50:10,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [337235274] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:50:10,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:50:10,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:50:10,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648878906] [2022-12-13 18:50:10,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:50:10,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 18:50:10,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:50:10,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 18:50:10,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:50:10,887 INFO L87 Difference]: Start difference. First operand 2314 states and 3234 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-12-13 18:50:11,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:50:11,331 INFO L93 Difference]: Finished difference Result 2316 states and 3235 transitions. [2022-12-13 18:50:11,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 18:50:11,332 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 281 [2022-12-13 18:50:11,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:50:11,336 INFO L225 Difference]: With dead ends: 2316 [2022-12-13 18:50:11,337 INFO L226 Difference]: Without dead ends: 2314 [2022-12-13 18:50:11,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:50:11,338 INFO L413 NwaCegarLoop]: 3167 mSDtfsCounter, 128 mSDsluCounter, 9386 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 12553 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:50:11,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 12553 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 18:50:11,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2314 states. [2022-12-13 18:50:11,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2314 to 2314. [2022-12-13 18:50:11,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2314 states, 1588 states have (on average 1.2663727959697733) internal successors, (2011), 1642 states have internal predecessors, (2011), 599 states have call successors, (599), 121 states have call predecessors, (599), 123 states have return successors, (623), 584 states have call predecessors, (623), 599 states have call successors, (623) [2022-12-13 18:50:11,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2314 states to 2314 states and 3233 transitions. [2022-12-13 18:50:11,741 INFO L78 Accepts]: Start accepts. Automaton has 2314 states and 3233 transitions. Word has length 281 [2022-12-13 18:50:11,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:50:11,742 INFO L495 AbstractCegarLoop]: Abstraction has 2314 states and 3233 transitions. [2022-12-13 18:50:11,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-12-13 18:50:11,742 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 3233 transitions. [2022-12-13 18:50:11,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2022-12-13 18:50:11,746 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:50:11,746 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 10, 10, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:50:11,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-12-13 18:50:11,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:50:11,948 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:50:11,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:50:11,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1295943604, now seen corresponding path program 1 times [2022-12-13 18:50:11,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:50:11,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653472335] [2022-12-13 18:50:11,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:50:11,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:50:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:50:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:50:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:50:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 18:50:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 18:50:12,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 18:50:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 18:50:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 18:50:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 18:50:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:50:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:50:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 18:50:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-12-13 18:50:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 18:50:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 18:50:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 18:50:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:50:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 18:50:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 18:50:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 18:50:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 18:50:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:50:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:50:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 18:50:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 18:50:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:50:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:50:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 18:50:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 18:50:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:50:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:50:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 18:50:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 18:50:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-12-13 18:50:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 18:50:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 18:50:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 18:50:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:50:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:50:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 18:50:12,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-12-13 18:50:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 18:50:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-12-13 18:50:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:50:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:50:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 18:50:12,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:50:12,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 18:50:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 18:50:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 18:50:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 18:50:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-12-13 18:50:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:12,829 INFO L134 CoverageAnalysis]: Checked inductivity of 907 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 905 trivial. 0 not checked. [2022-12-13 18:50:12,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:50:12,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653472335] [2022-12-13 18:50:12,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653472335] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:50:12,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:50:12,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 18:50:12,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432527444] [2022-12-13 18:50:12,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:50:12,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 18:50:12,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:50:12,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 18:50:12,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-12-13 18:50:12,831 INFO L87 Difference]: Start difference. First operand 2314 states and 3233 transitions. Second operand has 10 states, 10 states have (on average 10.7) internal successors, (107), 5 states have internal predecessors, (107), 2 states have call successors, (38), 6 states have call predecessors, (38), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-12-13 18:50:15,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 18:50:30,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:50:30,482 INFO L93 Difference]: Finished difference Result 4391 states and 6155 transitions. [2022-12-13 18:50:30,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 18:50:30,482 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 5 states have internal predecessors, (107), 2 states have call successors, (38), 6 states have call predecessors, (38), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 318 [2022-12-13 18:50:30,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:50:30,488 INFO L225 Difference]: With dead ends: 4391 [2022-12-13 18:50:30,488 INFO L226 Difference]: Without dead ends: 2451 [2022-12-13 18:50:30,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-12-13 18:50:30,493 INFO L413 NwaCegarLoop]: 745 mSDtfsCounter, 6375 mSDsluCounter, 2821 mSDsCounter, 0 mSdLazyCounter, 12525 mSolverCounterSat, 4598 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6523 SdHoareTripleChecker+Valid, 3566 SdHoareTripleChecker+Invalid, 17123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4598 IncrementalHoareTripleChecker+Valid, 12525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2022-12-13 18:50:30,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6523 Valid, 3566 Invalid, 17123 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4598 Valid, 12525 Invalid, 0 Unknown, 0 Unchecked, 16.7s Time] [2022-12-13 18:50:30,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2451 states. [2022-12-13 18:50:30,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2451 to 2310. [2022-12-13 18:50:30,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2310 states, 1585 states have (on average 1.265615141955836) internal successors, (2006), 1638 states have internal predecessors, (2006), 599 states have call successors, (599), 121 states have call predecessors, (599), 123 states have return successors, (623), 584 states have call predecessors, (623), 599 states have call successors, (623) [2022-12-13 18:50:30,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2310 states to 2310 states and 3228 transitions. [2022-12-13 18:50:30,830 INFO L78 Accepts]: Start accepts. Automaton has 2310 states and 3228 transitions. Word has length 318 [2022-12-13 18:50:30,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:50:30,831 INFO L495 AbstractCegarLoop]: Abstraction has 2310 states and 3228 transitions. [2022-12-13 18:50:30,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 5 states have internal predecessors, (107), 2 states have call successors, (38), 6 states have call predecessors, (38), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-12-13 18:50:30,831 INFO L276 IsEmpty]: Start isEmpty. Operand 2310 states and 3228 transitions. [2022-12-13 18:50:30,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2022-12-13 18:50:30,833 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:50:30,833 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 10, 10, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:50:30,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-12-13 18:50:30,833 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ldv_check_alloc_nonatomicErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:50:30,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:50:30,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1519916112, now seen corresponding path program 1 times [2022-12-13 18:50:30,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:50:30,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891411165] [2022-12-13 18:50:30,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:50:30,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:50:30,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:50:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:50:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:50:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 18:50:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 18:50:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 18:50:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 18:50:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 18:50:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 18:50:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:50:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:50:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 18:50:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-12-13 18:50:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 18:50:31,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 18:50:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 18:50:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:50:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 18:50:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 18:50:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 18:50:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 18:50:31,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:50:31,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:50:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 18:50:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 18:50:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:50:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:50:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 18:50:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 18:50:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:50:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:50:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 18:50:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 18:50:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-12-13 18:50:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 18:50:31,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 18:50:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 18:50:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:50:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 18:50:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 18:50:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-12-13 18:50:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 18:50:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-12-13 18:50:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:50:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:50:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 18:50:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:50:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 18:50:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 18:50:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 18:50:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 18:50:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-12-13 18:50:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,378 INFO L134 CoverageAnalysis]: Checked inductivity of 907 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 907 trivial. 0 not checked. [2022-12-13 18:50:31,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:50:31,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891411165] [2022-12-13 18:50:31,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891411165] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:50:31,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:50:31,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 18:50:31,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679307228] [2022-12-13 18:50:31,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:50:31,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 18:50:31,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:50:31,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 18:50:31,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-12-13 18:50:31,380 INFO L87 Difference]: Start difference. First operand 2310 states and 3228 transitions. Second operand has 8 states, 8 states have (on average 13.25) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-12-13 18:50:45,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:50:45,982 INFO L93 Difference]: Finished difference Result 2451 states and 3438 transitions. [2022-12-13 18:50:45,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 18:50:45,982 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 319 [2022-12-13 18:50:45,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:50:45,988 INFO L225 Difference]: With dead ends: 2451 [2022-12-13 18:50:45,988 INFO L226 Difference]: Without dead ends: 2449 [2022-12-13 18:50:45,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-12-13 18:50:45,989 INFO L413 NwaCegarLoop]: 746 mSDtfsCounter, 5863 mSDsluCounter, 2238 mSDsCounter, 0 mSdLazyCounter, 8857 mSolverCounterSat, 3892 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6010 SdHoareTripleChecker+Valid, 2984 SdHoareTripleChecker+Invalid, 12749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3892 IncrementalHoareTripleChecker+Valid, 8857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-12-13 18:50:45,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6010 Valid, 2984 Invalid, 12749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3892 Valid, 8857 Invalid, 0 Unknown, 0 Unchecked, 13.9s Time] [2022-12-13 18:50:45,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2449 states. [2022-12-13 18:50:46,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2449 to 2308. [2022-12-13 18:50:46,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2308 states, 1584 states have (on average 1.2651515151515151) internal successors, (2004), 1636 states have internal predecessors, (2004), 599 states have call successors, (599), 121 states have call predecessors, (599), 123 states have return successors, (623), 584 states have call predecessors, (623), 599 states have call successors, (623) [2022-12-13 18:50:46,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2308 states to 2308 states and 3226 transitions. [2022-12-13 18:50:46,328 INFO L78 Accepts]: Start accepts. Automaton has 2308 states and 3226 transitions. Word has length 319 [2022-12-13 18:50:46,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:50:46,328 INFO L495 AbstractCegarLoop]: Abstraction has 2308 states and 3226 transitions. [2022-12-13 18:50:46,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-12-13 18:50:46,329 INFO L276 IsEmpty]: Start isEmpty. Operand 2308 states and 3226 transitions. [2022-12-13 18:50:46,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2022-12-13 18:50:46,333 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:50:46,333 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 8, 8, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:50:46,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-12-13 18:50:46,333 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:50:46,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:50:46,333 INFO L85 PathProgramCache]: Analyzing trace with hash 404065374, now seen corresponding path program 1 times [2022-12-13 18:50:46,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:50:46,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130506540] [2022-12-13 18:50:46,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:50:46,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:50:46,410 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 18:50:46,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [672686495] [2022-12-13 18:50:46,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:50:46,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:50:46,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:50:46,411 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:50:46,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 18:50:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:47,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 4955 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 18:50:47,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:50:47,363 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 657 trivial. 0 not checked. [2022-12-13 18:50:47,364 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:50:47,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:50:47,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130506540] [2022-12-13 18:50:47,364 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 18:50:47,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672686495] [2022-12-13 18:50:47,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672686495] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:50:47,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:50:47,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:50:47,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129998344] [2022-12-13 18:50:47,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:50:47,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:50:47,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:50:47,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:50:47,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:50:47,366 INFO L87 Difference]: Start difference. First operand 2308 states and 3226 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-12-13 18:50:47,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:50:47,738 INFO L93 Difference]: Finished difference Result 4411 states and 6243 transitions. [2022-12-13 18:50:47,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:50:47,739 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 364 [2022-12-13 18:50:47,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:50:47,744 INFO L225 Difference]: With dead ends: 4411 [2022-12-13 18:50:47,744 INFO L226 Difference]: Without dead ends: 2309 [2022-12-13 18:50:47,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:50:47,749 INFO L413 NwaCegarLoop]: 3129 mSDtfsCounter, 0 mSDsluCounter, 3125 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6254 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:50:47,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6254 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:50:47,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2309 states. [2022-12-13 18:50:48,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2309 to 2309. [2022-12-13 18:50:48,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2309 states, 1585 states have (on average 1.2649842271293374) internal successors, (2005), 1637 states have internal predecessors, (2005), 599 states have call successors, (599), 121 states have call predecessors, (599), 123 states have return successors, (623), 584 states have call predecessors, (623), 599 states have call successors, (623) [2022-12-13 18:50:48,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 3227 transitions. [2022-12-13 18:50:48,112 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 3227 transitions. Word has length 364 [2022-12-13 18:50:48,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:50:48,112 INFO L495 AbstractCegarLoop]: Abstraction has 2309 states and 3227 transitions. [2022-12-13 18:50:48,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-12-13 18:50:48,113 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 3227 transitions. [2022-12-13 18:50:48,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2022-12-13 18:50:48,117 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:50:48,117 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 8, 8, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:50:48,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 18:50:48,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2022-12-13 18:50:48,319 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:50:48,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:50:48,320 INFO L85 PathProgramCache]: Analyzing trace with hash -2034569278, now seen corresponding path program 1 times [2022-12-13 18:50:48,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:50:48,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5664624] [2022-12-13 18:50:48,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:50:48,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:50:48,424 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 18:50:48,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [76432009] [2022-12-13 18:50:48,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:50:48,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:50:48,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:50:48,425 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:50:48,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 18:50:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:49,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 4909 conjuncts, 28 conjunts are in the unsatisfiable core [2022-12-13 18:50:49,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:50:49,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-12-13 18:50:49,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 18:50:49,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 18:50:49,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 18:50:49,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2022-12-13 18:50:49,316 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 18:50:49,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2022-12-13 18:50:49,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-13 18:50:49,366 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 645 trivial. 0 not checked. [2022-12-13 18:50:49,366 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:50:49,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:50:49,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5664624] [2022-12-13 18:50:49,367 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 18:50:49,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76432009] [2022-12-13 18:50:49,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76432009] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:50:49,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:50:49,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 18:50:49,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371047258] [2022-12-13 18:50:49,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:50:49,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 18:50:49,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:50:49,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 18:50:49,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-13 18:50:49,369 INFO L87 Difference]: Start difference. First operand 2309 states and 3227 transitions. Second operand has 8 states, 8 states have (on average 20.375) internal successors, (163), 6 states have internal predecessors, (163), 5 states have call successors, (48), 5 states have call predecessors, (48), 3 states have return successors, (43), 5 states have call predecessors, (43), 5 states have call successors, (43) [2022-12-13 18:50:59,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:50:59,872 INFO L93 Difference]: Finished difference Result 4790 states and 6828 transitions. [2022-12-13 18:50:59,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 18:50:59,873 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.375) internal successors, (163), 6 states have internal predecessors, (163), 5 states have call successors, (48), 5 states have call predecessors, (48), 3 states have return successors, (43), 5 states have call predecessors, (43), 5 states have call successors, (43) Word has length 353 [2022-12-13 18:50:59,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:50:59,879 INFO L225 Difference]: With dead ends: 4790 [2022-12-13 18:50:59,879 INFO L226 Difference]: Without dead ends: 2687 [2022-12-13 18:50:59,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2022-12-13 18:50:59,883 INFO L413 NwaCegarLoop]: 2912 mSDtfsCounter, 808 mSDsluCounter, 13461 mSDsCounter, 0 mSdLazyCounter, 5992 mSolverCounterSat, 659 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 940 SdHoareTripleChecker+Valid, 16373 SdHoareTripleChecker+Invalid, 6651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 659 IncrementalHoareTripleChecker+Valid, 5992 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-12-13 18:50:59,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [940 Valid, 16373 Invalid, 6651 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [659 Valid, 5992 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2022-12-13 18:50:59,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2687 states. [2022-12-13 18:51:00,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2687 to 2527. [2022-12-13 18:51:00,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2527 states, 1741 states have (on average 1.2745548535324527) internal successors, (2219), 1803 states have internal predecessors, (2219), 657 states have call successors, (657), 123 states have call predecessors, (657), 127 states have return successors, (685), 640 states have call predecessors, (685), 657 states have call successors, (685) [2022-12-13 18:51:00,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2527 states to 2527 states and 3561 transitions. [2022-12-13 18:51:00,256 INFO L78 Accepts]: Start accepts. Automaton has 2527 states and 3561 transitions. Word has length 353 [2022-12-13 18:51:00,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:51:00,256 INFO L495 AbstractCegarLoop]: Abstraction has 2527 states and 3561 transitions. [2022-12-13 18:51:00,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.375) internal successors, (163), 6 states have internal predecessors, (163), 5 states have call successors, (48), 5 states have call predecessors, (48), 3 states have return successors, (43), 5 states have call predecessors, (43), 5 states have call successors, (43) [2022-12-13 18:51:00,256 INFO L276 IsEmpty]: Start isEmpty. Operand 2527 states and 3561 transitions. [2022-12-13 18:51:00,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2022-12-13 18:51:00,261 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:51:00,261 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 8, 8, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:51:00,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-13 18:51:00,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:51:00,464 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:51:00,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:51:00,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1184282528, now seen corresponding path program 1 times [2022-12-13 18:51:00,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:51:00,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293061153] [2022-12-13 18:51:00,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:51:00,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:51:00,601 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 18:51:00,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1863262911] [2022-12-13 18:51:00,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:51:00,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:51:00,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:51:00,602 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:51:00,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-13 18:51:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:51:01,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 4960 conjuncts, 32 conjunts are in the unsatisfiable core [2022-12-13 18:51:01,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:51:02,059 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 657 trivial. 0 not checked. [2022-12-13 18:51:02,059 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:51:02,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:51:02,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293061153] [2022-12-13 18:51:02,059 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 18:51:02,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863262911] [2022-12-13 18:51:02,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863262911] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:51:02,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:51:02,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 18:51:02,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945237232] [2022-12-13 18:51:02,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:51:02,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 18:51:02,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:51:02,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 18:51:02,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:51:02,062 INFO L87 Difference]: Start difference. First operand 2527 states and 3561 transitions. Second operand has 5 states, 5 states have (on average 32.8) internal successors, (164), 3 states have internal predecessors, (164), 1 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2022-12-13 18:51:02,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:51:02,562 INFO L93 Difference]: Finished difference Result 2635 states and 3704 transitions. [2022-12-13 18:51:02,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 18:51:02,562 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 3 states have internal predecessors, (164), 1 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) Word has length 364 [2022-12-13 18:51:02,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:51:02,567 INFO L225 Difference]: With dead ends: 2635 [2022-12-13 18:51:02,567 INFO L226 Difference]: Without dead ends: 2633 [2022-12-13 18:51:02,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:51:02,568 INFO L413 NwaCegarLoop]: 3182 mSDtfsCounter, 2819 mSDsluCounter, 6559 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2820 SdHoareTripleChecker+Valid, 9741 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:51:02,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2820 Valid, 9741 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:51:02,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2633 states. [2022-12-13 18:51:02,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2633 to 2633. [2022-12-13 18:51:02,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2633 states, 1818 states have (on average 1.2761276127612762) internal successors, (2320), 1880 states have internal predecessors, (2320), 677 states have call successors, (677), 133 states have call predecessors, (677), 137 states have return successors, (705), 660 states have call predecessors, (705), 677 states have call successors, (705) [2022-12-13 18:51:02,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 2633 states and 3702 transitions. [2022-12-13 18:51:02,957 INFO L78 Accepts]: Start accepts. Automaton has 2633 states and 3702 transitions. Word has length 364 [2022-12-13 18:51:02,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:51:02,958 INFO L495 AbstractCegarLoop]: Abstraction has 2633 states and 3702 transitions. [2022-12-13 18:51:02,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 3 states have internal predecessors, (164), 1 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2022-12-13 18:51:02,958 INFO L276 IsEmpty]: Start isEmpty. Operand 2633 states and 3702 transitions. [2022-12-13 18:51:02,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2022-12-13 18:51:02,963 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:51:02,963 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 8, 8, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:51:02,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-12-13 18:51:03,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2022-12-13 18:51:03,165 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:51:03,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:51:03,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1193461924, now seen corresponding path program 1 times [2022-12-13 18:51:03,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:51:03,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649299410] [2022-12-13 18:51:03,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:51:03,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:51:03,281 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 18:51:03,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [294258886] [2022-12-13 18:51:03,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:51:03,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:51:03,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:51:03,282 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:51:03,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-13 18:51:04,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:51:04,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 5193 conjuncts, 46 conjunts are in the unsatisfiable core [2022-12-13 18:51:04,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:51:04,859 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 655 trivial. 0 not checked. [2022-12-13 18:51:04,859 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:51:04,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:51:04,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649299410] [2022-12-13 18:51:04,860 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 18:51:04,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294258886] [2022-12-13 18:51:04,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [294258886] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:51:04,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:51:04,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 18:51:04,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392318188] [2022-12-13 18:51:04,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:51:04,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:51:04,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:51:04,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:51:04,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:51:04,862 INFO L87 Difference]: Start difference. First operand 2633 states and 3702 transitions. Second operand has 7 states, 6 states have (on average 30.166666666666668) internal successors, (181), 5 states have internal predecessors, (181), 3 states have call successors, (51), 2 states have call predecessors, (51), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-12-13 18:51:08,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:51:08,264 INFO L93 Difference]: Finished difference Result 5144 states and 7318 transitions. [2022-12-13 18:51:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 18:51:08,265 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 30.166666666666668) internal successors, (181), 5 states have internal predecessors, (181), 3 states have call successors, (51), 2 states have call predecessors, (51), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 382 [2022-12-13 18:51:08,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:51:08,271 INFO L225 Difference]: With dead ends: 5144 [2022-12-13 18:51:08,271 INFO L226 Difference]: Without dead ends: 2717 [2022-12-13 18:51:08,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-12-13 18:51:08,276 INFO L413 NwaCegarLoop]: 3152 mSDtfsCounter, 2893 mSDsluCounter, 8065 mSDsCounter, 0 mSdLazyCounter, 4728 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2939 SdHoareTripleChecker+Valid, 11217 SdHoareTripleChecker+Invalid, 4741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 4728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-13 18:51:08,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2939 Valid, 11217 Invalid, 4741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 4728 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-13 18:51:08,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2717 states. [2022-12-13 18:51:08,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2717 to 2633. [2022-12-13 18:51:08,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2633 states, 1818 states have (on average 1.275027502750275) internal successors, (2318), 1880 states have internal predecessors, (2318), 677 states have call successors, (677), 133 states have call predecessors, (677), 137 states have return successors, (705), 660 states have call predecessors, (705), 677 states have call successors, (705) [2022-12-13 18:51:08,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 2633 states and 3700 transitions. [2022-12-13 18:51:08,671 INFO L78 Accepts]: Start accepts. Automaton has 2633 states and 3700 transitions. Word has length 382 [2022-12-13 18:51:08,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:51:08,671 INFO L495 AbstractCegarLoop]: Abstraction has 2633 states and 3700 transitions. [2022-12-13 18:51:08,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 30.166666666666668) internal successors, (181), 5 states have internal predecessors, (181), 3 states have call successors, (51), 2 states have call predecessors, (51), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-12-13 18:51:08,671 INFO L276 IsEmpty]: Start isEmpty. Operand 2633 states and 3700 transitions. [2022-12-13 18:51:08,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2022-12-13 18:51:08,676 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:51:08,676 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 8, 8, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:51:08,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-12-13 18:51:08,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2022-12-13 18:51:08,878 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-13 18:51:08,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:51:08,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1256138206, now seen corresponding path program 1 times [2022-12-13 18:51:08,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:51:08,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970090651] [2022-12-13 18:51:08,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:51:08,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:51:08,997 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 18:51:08,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [527831535] [2022-12-13 18:51:08,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:51:08,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:51:08,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:51:08,998 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:51:08,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-12-13 18:51:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:51:10,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 5194 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 18:51:10,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:51:10,349 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 657 trivial. 0 not checked. [2022-12-13 18:51:10,350 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:51:10,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:51:10,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970090651] [2022-12-13 18:51:10,350 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 18:51:10,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527831535] [2022-12-13 18:51:10,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527831535] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:51:10,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:51:10,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:51:10,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289763270] [2022-12-13 18:51:10,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:51:10,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 18:51:10,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:51:10,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 18:51:10,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:51:10,352 INFO L87 Difference]: Start difference. First operand 2633 states and 3700 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (47), 2 states have call predecessors, (47), 1 states have call successors, (47) [2022-12-13 18:51:10,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:51:10,977 INFO L93 Difference]: Finished difference Result 2633 states and 3700 transitions. [2022-12-13 18:51:10,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 18:51:10,977 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (47), 2 states have call predecessors, (47), 1 states have call successors, (47) Word has length 382 [2022-12-13 18:51:10,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:51:10,978 INFO L225 Difference]: With dead ends: 2633 [2022-12-13 18:51:10,978 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 18:51:10,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 378 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:51:10,981 INFO L413 NwaCegarLoop]: 3234 mSDtfsCounter, 192 mSDsluCounter, 9529 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 12763 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:51:10,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 12763 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 18:51:10,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 18:51:10,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 18:51:10,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:51:10,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 18:51:10,982 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 382 [2022-12-13 18:51:10,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:51:10,982 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 18:51:10,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (47), 2 states have call predecessors, (47), 1 states have call successors, (47) [2022-12-13 18:51:10,982 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 18:51:10,982 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 18:51:10,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (32 of 33 remaining) [2022-12-13 18:51:10,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (31 of 33 remaining) [2022-12-13 18:51:10,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (30 of 33 remaining) [2022-12-13 18:51:10,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (29 of 33 remaining) [2022-12-13 18:51:10,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 33 remaining) [2022-12-13 18:51:10,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 33 remaining) [2022-12-13 18:51:10,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 33 remaining) [2022-12-13 18:51:10,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_nonatomicErr1ASSERT_VIOLATIONERROR_FUNCTION (25 of 33 remaining) [2022-12-13 18:51:10,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 33 remaining) [2022-12-13 18:51:10,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 33 remaining) [2022-12-13 18:51:10,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION (22 of 33 remaining) [2022-12-13 18:51:10,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 33 remaining) [2022-12-13 18:51:10,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION (20 of 33 remaining) [2022-12-13 18:51:10,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 33 remaining) [2022-12-13 18:51:10,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 33 remaining) [2022-12-13 18:51:10,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 33 remaining) [2022-12-13 18:51:10,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 33 remaining) [2022-12-13 18:51:10,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 33 remaining) [2022-12-13 18:51:10,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 33 remaining) [2022-12-13 18:51:10,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 33 remaining) [2022-12-13 18:51:10,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 33 remaining) [2022-12-13 18:51:10,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 33 remaining) [2022-12-13 18:51:10,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 33 remaining) [2022-12-13 18:51:10,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 33 remaining) [2022-12-13 18:51:10,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_for_read_sectionErr1ASSERT_VIOLATIONERROR_FUNCTION (8 of 33 remaining) [2022-12-13 18:51:10,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_for_read_sectionErr2ASSERT_VIOLATIONERROR_FUNCTION (7 of 33 remaining) [2022-12-13 18:51:10,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_for_read_sectionErr3ASSERT_VIOLATIONERROR_FUNCTION (6 of 33 remaining) [2022-12-13 18:51:10,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 33 remaining) [2022-12-13 18:51:10,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 33 remaining) [2022-12-13 18:51:10,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 33 remaining) [2022-12-13 18:51:10,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 33 remaining) [2022-12-13 18:51:10,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 33 remaining) [2022-12-13 18:51:10,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 33 remaining) [2022-12-13 18:51:11,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-12-13 18:51:11,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3dd06c3-9c4b-4194-bc14-5f52e2008348/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2022-12-13 18:51:11,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.