./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.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_b01b7795-0979-4d39-ac1f-69d81219a5fb/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01b7795-0979-4d39-ac1f-69d81219a5fb/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01b7795-0979-4d39-ac1f-69d81219a5fb/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01b7795-0979-4d39-ac1f-69d81219a5fb/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01b7795-0979-4d39-ac1f-69d81219a5fb/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01b7795-0979-4d39-ac1f-69d81219a5fb/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 22e4387c36ff25592bf6c6537ff8412eacb18bdab6752c222fa8ef2a1ca9dbb8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 15:41:34,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:41:34,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:41:34,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:41:34,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:41:34,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:41:34,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:41:34,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:41:34,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:41:34,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:41:34,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:41:34,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:41:34,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:41:34,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:41:34,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:41:34,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:41:34,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:41:34,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:41:34,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:41:34,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:41:34,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:41:34,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:41:34,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:41:34,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:41:34,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:41:34,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:41:34,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:41:34,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:41:34,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:41:34,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:41:34,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:41:34,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:41:34,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:41:34,460 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:41:34,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:41:34,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:41:34,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:41:34,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:41:34,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:41:34,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:41:34,462 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:41:34,463 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01b7795-0979-4d39-ac1f-69d81219a5fb/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 15:41:34,478 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:41:34,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:41:34,478 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:41:34,479 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:41:34,479 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:41:34,479 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:41:34,479 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:41:34,479 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:41:34,480 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:41:34,480 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:41:34,480 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:41:34,480 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:41:34,480 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:41:34,480 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:41:34,480 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:41:34,480 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:41:34,481 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:41:34,481 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:41:34,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:41:34,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:41:34,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:41:34,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:41:34,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:41:34,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:41:34,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:41:34,482 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:41:34,482 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:41:34,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:41:34,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:41:34,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:41:34,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:41:34,483 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:41:34,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:41:34,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:41:34,483 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:41:34,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:41:34,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:41:34,483 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:41:34,484 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01b7795-0979-4d39-ac1f-69d81219a5fb/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01b7795-0979-4d39-ac1f-69d81219a5fb/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22e4387c36ff25592bf6c6537ff8412eacb18bdab6752c222fa8ef2a1ca9dbb8 [2022-12-14 15:41:34,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:41:34,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:41:34,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:41:34,667 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:41:34,667 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:41:34,669 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01b7795-0979-4d39-ac1f-69d81219a5fb/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i [2022-12-14 15:41:37,200 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:41:37,549 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:41:37,549 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01b7795-0979-4d39-ac1f-69d81219a5fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i [2022-12-14 15:41:37,570 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01b7795-0979-4d39-ac1f-69d81219a5fb/bin/utaipan-gh47qXpMRh/data/1dcccaf41/7e765aa34b6f47aeb5668c940a1dd4ff/FLAGf8b12d9a8 [2022-12-14 15:41:37,774 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01b7795-0979-4d39-ac1f-69d81219a5fb/bin/utaipan-gh47qXpMRh/data/1dcccaf41/7e765aa34b6f47aeb5668c940a1dd4ff [2022-12-14 15:41:37,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:41:37,777 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:41:37,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:41:37,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:41:37,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:41:37,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:41:37" (1/1) ... [2022-12-14 15:41:37,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@228c2138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:41:37, skipping insertion in model container [2022-12-14 15:41:37,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:41:37" (1/1) ... [2022-12-14 15:41:37,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:41:37,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:41:38,314 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 15:41:38,436 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 15:41:38,445 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 15:41:38,503 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:41:38,504 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 15:41:38,505 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 15:41:38,505 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 15:41:38,625 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:38,651 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 15:41:38,654 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 15:41:38,658 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 15:41:38,661 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 15:41:38,732 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 15:41:38,733 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 15:41:38,733 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 15:41:38,733 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:41:38,734 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:38,736 WARN L623 FunctionHandler]: Unknown extern function usb_find_interface [2022-12-14 15:41:38,737 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:38,738 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:38,739 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:38,739 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:38,741 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:38,743 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:38,743 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:38,744 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:38,745 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:38,753 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 15:41:38,755 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-14 15:41:38,756 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:38,756 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_interruptible [2022-12-14 15:41:38,757 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 15:41:38,758 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-14 15:41:38,758 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:38,760 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-14 15:41:38,761 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:38,761 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:41:38,761 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 15:41:38,762 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 15:41:38,762 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 15:41:38,767 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:38,767 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:38,772 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:38,776 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:38,781 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:41:38,800 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-14 15:41:38,800 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:38,802 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-14 15:41:38,802 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:38,804 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-14 15:41:38,804 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:38,807 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-14 15:41:38,808 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:38,810 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-14 15:41:38,810 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:38,813 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-14 15:41:38,813 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:38,815 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-14 15:41:38,815 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:38,817 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-14 15:41:38,818 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:38,820 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-14 15:41:38,820 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:38,821 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:38,823 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 15:41:38,831 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:41:38,833 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:38,834 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:38,835 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:38,836 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:41:38,837 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:38,845 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-12-14 15:41:38,851 WARN L623 FunctionHandler]: Unknown extern function rc_g_keycode_from_table [2022-12-14 15:41:38,852 WARN L623 FunctionHandler]: Unknown extern function rc_g_keycode_from_table [2022-12-14 15:41:38,856 WARN L623 FunctionHandler]: Unknown extern function rc_g_keycode_from_table [2022-12-14 15:41:38,864 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 15:41:38,883 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:38,886 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 15:41:38,907 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 15:41:38,918 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 15:41:38,921 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 15:41:38,932 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 15:41:38,939 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 15:41:38,941 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:38,942 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:38,944 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:38,945 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:38,945 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:38,946 WARN L623 FunctionHandler]: Unknown extern function rc_keyup [2022-12-14 15:41:38,946 WARN L623 FunctionHandler]: Unknown extern function rc_keydown [2022-12-14 15:41:38,947 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 15:41:38,947 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 15:41:38,947 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-12-14 15:41:38,948 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 15:41:38,949 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:41:38,950 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:41:38,952 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:41:38,952 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 15:41:38,953 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:41:38,954 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 15:41:38,957 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:41:38,958 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:41:38,958 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:41:38,958 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:41:38,959 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:41:38,959 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:41:38,959 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:41:38,960 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:38,964 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:41:38,968 WARN L623 FunctionHandler]: Unknown extern function rc_allocate_device [2022-12-14 15:41:38,968 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:41:38,969 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 15:41:38,970 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:41:38,971 WARN L623 FunctionHandler]: Unknown extern function rc_register_device [2022-12-14 15:41:38,971 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:41:38,972 WARN L623 FunctionHandler]: Unknown extern function rc_free_device [2022-12-14 15:41:38,975 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 15:41:38,977 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-12-14 15:41:38,977 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:41:38,977 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-12-14 15:41:38,981 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 15:41:38,981 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-12-14 15:41:38,982 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-12-14 15:41:38,982 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-12-14 15:41:38,982 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:41:38,983 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-12-14 15:41:38,987 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:38,989 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:38,990 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:38,991 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:38,992 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:38,992 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:38,996 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:41:38,996 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-14 15:41:38,996 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:41:38,997 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-14 15:41:38,997 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:41:38,997 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 15:41:38,998 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 15:41:38,998 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-12-14 15:41:38,999 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 15:41:38,999 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,000 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:41:39,000 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:41:39,001 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-12-14 15:41:39,001 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 15:41:39,002 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 15:41:39,002 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 15:41:39,002 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:41:39,002 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:41:39,005 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-14 15:41:39,005 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,006 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 15:41:39,006 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-12-14 15:41:39,008 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 15:41:39,008 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,008 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-12-14 15:41:39,009 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 15:41:39,009 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:41:39,012 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:39,013 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_group [2022-12-14 15:41:39,013 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:41:39,013 WARN L623 FunctionHandler]: Unknown extern function usb_register_dev [2022-12-14 15:41:39,013 WARN L623 FunctionHandler]: Unknown extern function usb_register_dev [2022-12-14 15:41:39,014 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:41:39,015 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-12-14 15:41:39,015 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:39,016 WARN L623 FunctionHandler]: Unknown extern function usb_ifnum_to_if [2022-12-14 15:41:39,016 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,017 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,017 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_group [2022-12-14 15:41:39,018 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,018 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:41:39,019 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:41:39,019 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_group [2022-12-14 15:41:39,020 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_group [2022-12-14 15:41:39,020 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 15:41:39,020 WARN L623 FunctionHandler]: Unknown extern function complete_all [2022-12-14 15:41:39,020 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 15:41:39,021 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-12-14 15:41:39,021 WARN L623 FunctionHandler]: Unknown extern function rc_unregister_device [2022-12-14 15:41:39,021 WARN L623 FunctionHandler]: Unknown extern function usb_deregister_dev [2022-12-14 15:41:39,021 WARN L623 FunctionHandler]: Unknown extern function usb_deregister_dev [2022-12-14 15:41:39,022 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 15:41:39,022 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-12-14 15:41:39,023 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:39,024 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 15:41:39,024 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 15:41:39,025 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 15:41:39,026 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 15:41:39,165 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,165 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,165 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,166 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,166 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,166 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,166 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,166 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,166 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,166 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,167 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,167 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,167 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,167 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,167 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,167 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,167 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,167 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,168 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,177 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-12-14 15:41:39,177 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-12-14 15:41:39,185 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 15:41:39,186 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 15:41:39,188 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_usb_register_driver [2022-12-14 15:41:39,190 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 15:41:39,194 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 15:41:39,195 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 15:41:39,195 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-14 15:41:39,196 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 15:41:39,224 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 15:41:39,224 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 15:41:39,229 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:41:39,351 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_b01b7795-0979-4d39-ac1f-69d81219a5fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284136,284149] [2022-12-14 15:41:39,354 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_b01b7795-0979-4d39-ac1f-69d81219a5fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284302,284315] [2022-12-14 15:41:39,355 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_b01b7795-0979-4d39-ac1f-69d81219a5fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284466,284479] [2022-12-14 15:41:39,355 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_b01b7795-0979-4d39-ac1f-69d81219a5fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284631,284644] [2022-12-14 15:41:39,360 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,364 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,365 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,365 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,365 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:41:39,387 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:41:39,440 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 15:41:39,441 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 15:41:39,442 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 15:41:39,443 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:41:39,443 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 15:41:39,443 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 15:41:39,443 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 15:41:39,450 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,450 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 15:41:39,451 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 15:41:39,451 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 15:41:39,451 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 15:41:39,456 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 15:41:39,456 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 15:41:39,456 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 15:41:39,456 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:41:39,457 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:39,458 WARN L623 FunctionHandler]: Unknown extern function usb_find_interface [2022-12-14 15:41:39,458 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,458 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,459 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,459 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,460 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:39,461 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,461 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,461 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,462 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:39,464 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 15:41:39,465 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-14 15:41:39,465 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,465 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_interruptible [2022-12-14 15:41:39,465 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 15:41:39,466 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-14 15:41:39,466 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,467 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-14 15:41:39,467 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,468 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:41:39,468 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 15:41:39,468 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 15:41:39,468 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 15:41:39,469 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,470 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,471 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,473 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,474 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:41:39,479 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-14 15:41:39,479 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,480 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-14 15:41:39,480 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,481 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-14 15:41:39,481 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,482 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-14 15:41:39,483 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,484 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-14 15:41:39,484 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,486 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-14 15:41:39,486 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,487 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-14 15:41:39,487 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,488 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-14 15:41:39,488 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,489 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-14 15:41:39,489 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,490 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:39,491 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 15:41:39,492 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:41:39,493 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:39,494 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:39,495 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:39,495 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:41:39,495 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:39,497 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-12-14 15:41:39,499 WARN L623 FunctionHandler]: Unknown extern function rc_g_keycode_from_table [2022-12-14 15:41:39,500 WARN L623 FunctionHandler]: Unknown extern function rc_g_keycode_from_table [2022-12-14 15:41:39,500 WARN L623 FunctionHandler]: Unknown extern function rc_g_keycode_from_table [2022-12-14 15:41:39,501 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 15:41:39,505 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:39,506 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 15:41:39,513 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 15:41:39,516 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 15:41:39,518 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 15:41:39,522 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 15:41:39,525 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 15:41:39,526 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:39,527 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:39,528 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,528 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,529 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,529 WARN L623 FunctionHandler]: Unknown extern function rc_keyup [2022-12-14 15:41:39,529 WARN L623 FunctionHandler]: Unknown extern function rc_keydown [2022-12-14 15:41:39,529 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 15:41:39,530 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 15:41:39,530 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-12-14 15:41:39,531 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 15:41:39,531 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:41:39,532 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:41:39,533 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:41:39,533 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 15:41:39,534 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:41:39,544 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 15:41:39,545 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:41:39,545 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:41:39,546 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:41:39,546 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:41:39,546 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:41:39,546 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:41:39,546 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:41:39,547 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,548 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:41:39,548 WARN L623 FunctionHandler]: Unknown extern function rc_allocate_device [2022-12-14 15:41:39,548 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:41:39,549 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 15:41:39,551 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:41:39,552 WARN L623 FunctionHandler]: Unknown extern function rc_register_device [2022-12-14 15:41:39,552 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:41:39,552 WARN L623 FunctionHandler]: Unknown extern function rc_free_device [2022-12-14 15:41:39,553 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 15:41:39,554 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-12-14 15:41:39,554 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:41:39,554 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-12-14 15:41:39,555 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 15:41:39,556 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-12-14 15:41:39,556 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-12-14 15:41:39,557 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-12-14 15:41:39,557 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:41:39,557 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-12-14 15:41:39,559 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:39,559 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:39,560 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:39,561 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:39,561 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:39,562 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,563 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:41:39,563 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-14 15:41:39,563 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:41:39,563 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-14 15:41:39,563 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:41:39,564 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 15:41:39,564 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 15:41:39,564 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-12-14 15:41:39,565 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 15:41:39,565 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,565 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:41:39,566 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:41:39,566 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-12-14 15:41:39,566 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 15:41:39,566 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 15:41:39,566 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 15:41:39,566 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:41:39,566 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:41:39,567 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-14 15:41:39,567 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,568 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 15:41:39,568 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-12-14 15:41:39,569 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 15:41:39,569 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,569 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-12-14 15:41:39,570 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 15:41:39,570 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:41:39,571 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:39,571 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_group [2022-12-14 15:41:39,571 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:41:39,571 WARN L623 FunctionHandler]: Unknown extern function usb_register_dev [2022-12-14 15:41:39,571 WARN L623 FunctionHandler]: Unknown extern function usb_register_dev [2022-12-14 15:41:39,571 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:41:39,572 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-12-14 15:41:39,573 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:39,573 WARN L623 FunctionHandler]: Unknown extern function usb_ifnum_to_if [2022-12-14 15:41:39,574 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,574 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,574 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_group [2022-12-14 15:41:39,574 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:41:39,575 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:41:39,575 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:41:39,576 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_group [2022-12-14 15:41:39,576 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_group [2022-12-14 15:41:39,576 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 15:41:39,576 WARN L623 FunctionHandler]: Unknown extern function complete_all [2022-12-14 15:41:39,576 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 15:41:39,577 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-12-14 15:41:39,577 WARN L623 FunctionHandler]: Unknown extern function rc_unregister_device [2022-12-14 15:41:39,577 WARN L623 FunctionHandler]: Unknown extern function usb_deregister_dev [2022-12-14 15:41:39,577 WARN L623 FunctionHandler]: Unknown extern function usb_deregister_dev [2022-12-14 15:41:39,577 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 15:41:39,578 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-12-14 15:41:39,578 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:41:39,579 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 15:41:39,579 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 15:41:39,580 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 15:41:39,580 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 15:41:39,583 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,583 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,583 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,583 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,583 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,583 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,584 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,584 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,584 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,584 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,584 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,584 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,584 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,584 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,584 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,585 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,585 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,585 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,585 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,591 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-12-14 15:41:39,591 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-12-14 15:41:39,595 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 15:41:39,596 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 15:41:39,597 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_usb_register_driver [2022-12-14 15:41:39,599 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 15:41:39,602 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 15:41:39,603 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 15:41:39,603 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-14 15:41:39,604 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 15:41:39,606 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 15:41:39,606 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 15:41:39,606 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:41:39,614 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_b01b7795-0979-4d39-ac1f-69d81219a5fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284136,284149] [2022-12-14 15:41:39,614 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_b01b7795-0979-4d39-ac1f-69d81219a5fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284302,284315] [2022-12-14 15:41:39,615 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_b01b7795-0979-4d39-ac1f-69d81219a5fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284466,284479] [2022-12-14 15:41:39,615 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_b01b7795-0979-4d39-ac1f-69d81219a5fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284631,284644] [2022-12-14 15:41:39,616 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,617 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,617 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,617 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,617 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:41:39,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:41:39,689 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:41:39,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:41:39 WrapperNode [2022-12-14 15:41:39,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:41:39,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:41:39,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:41:39,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:41:39,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:41:39" (1/1) ... [2022-12-14 15:41:39,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:41:39" (1/1) ... [2022-12-14 15:41:39,817 INFO L138 Inliner]: procedures = 343, calls = 2850, calls flagged for inlining = 190, calls inlined = 160, statements flattened = 4919 [2022-12-14 15:41:39,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:41:39,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:41:39,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:41:39,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:41:39,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:41:39" (1/1) ... [2022-12-14 15:41:39,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:41:39" (1/1) ... [2022-12-14 15:41:39,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:41:39" (1/1) ... [2022-12-14 15:41:39,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:41:39" (1/1) ... [2022-12-14 15:41:39,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:41:39" (1/1) ... [2022-12-14 15:41:39,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:41:39" (1/1) ... [2022-12-14 15:41:39,927 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:41:39" (1/1) ... [2022-12-14 15:41:39,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:41:39" (1/1) ... [2022-12-14 15:41:39,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:41:39,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:41:39,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:41:39,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:41:39,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:41:39" (1/1) ... [2022-12-14 15:41:39,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:41:39,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01b7795-0979-4d39-ac1f-69d81219a5fb/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:41:39,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01b7795-0979-4d39-ac1f-69d81219a5fb/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:41:39,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01b7795-0979-4d39-ac1f-69d81219a5fb/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:41:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-12-14 15:41:40,008 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-12-14 15:41:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-12-14 15:41:40,008 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-12-14 15:41:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-12-14 15:41:40,008 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-12-14 15:41:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-12-14 15:41:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 15:41:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 15:41:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 15:41:40,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 15:41:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 15:41:40,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 15:41:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2022-12-14 15:41:40,009 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2022-12-14 15:41:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-12-14 15:41:40,009 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-12-14 15:41:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-12-14 15:41:40,009 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-12-14 15:41:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 15:41:40,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 15:41:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2022-12-14 15:41:40,009 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2022-12-14 15:41:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-12-14 15:41:40,009 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-12-14 15:41:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure imon_disconnect [2022-12-14 15:41:40,009 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_disconnect [2022-12-14 15:41:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2022-12-14 15:41:40,009 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2022-12-14 15:41:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_imon_context [2022-12-14 15:41:40,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_imon_context [2022-12-14 15:41:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_5_4 [2022-12-14 15:41:40,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_5_4 [2022-12-14 15:41:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-12-14 15:41:40,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-12-14 15:41:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 15:41:40,010 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 15:41:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_driver_lock [2022-12-14 15:41:40,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_driver_lock [2022-12-14 15:41:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 15:41:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2022-12-14 15:41:40,010 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2022-12-14 15:41:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 15:41:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 15:41:40,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 15:41:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 15:41:40,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 15:41:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-12-14 15:41:40,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-12-14 15:41:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2022-12-14 15:41:40,010 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2022-12-14 15:41:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 15:41:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 15:41:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2022-12-14 15:41:40,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2022-12-14 15:41:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure imon_resume [2022-12-14 15:41:40,010 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_resume [2022-12-14 15:41:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 15:41:40,011 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 15:41:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-12-14 15:41:40,011 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-12-14 15:41:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 15:41:40,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 15:41:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2022-12-14 15:41:40,011 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2022-12-14 15:41:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2022-12-14 15:41:40,011 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2022-12-14 15:41:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-12-14 15:41:40,011 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-12-14 15:41:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 15:41:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 15:41:40,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 15:41:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-14 15:41:40,011 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-14 15:41:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2022-12-14 15:41:40,011 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2022-12-14 15:41:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 15:41:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 15:41:40,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 15:41:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2022-12-14 15:41:40,011 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2022-12-14 15:41:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-12-14 15:41:40,012 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-12-14 15:41:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 15:41:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-14 15:41:40,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-14 15:41:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-12-14 15:41:40,012 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-12-14 15:41:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 15:41:40,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 15:41:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-12-14 15:41:40,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-12-14 15:41:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-14 15:41:40,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-14 15:41:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 15:41:40,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 15:41:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-12-14 15:41:40,012 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-12-14 15:41:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-12-14 15:41:40,012 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-12-14 15:41:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 15:41:40,012 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 15:41:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-14 15:41:40,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-14 15:41:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 15:41:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2022-12-14 15:41:40,013 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2022-12-14 15:41:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2022-12-14 15:41:40,013 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2022-12-14 15:41:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2022-12-14 15:41:40,013 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2022-12-14 15:41:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 15:41:40,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 15:41:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 15:41:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-14 15:41:40,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-14 15:41:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2022-12-14 15:41:40,013 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2022-12-14 15:41:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_imon_context [2022-12-14 15:41:40,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_imon_context [2022-12-14 15:41:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-12-14 15:41:40,013 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-12-14 15:41:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:41:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 15:41:40,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 15:41:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 15:41:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2022-12-14 15:41:40,013 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2022-12-14 15:41:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 15:41:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure display_close [2022-12-14 15:41:40,014 INFO L138 BoogieDeclarations]: Found implementation of procedure display_close [2022-12-14 15:41:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-12-14 15:41:40,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-12-14 15:41:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 15:41:40,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 15:41:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2022-12-14 15:41:40,014 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2022-12-14 15:41:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-12-14 15:41:40,014 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-12-14 15:41:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 15:41:40,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 15:41:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_driver_lock [2022-12-14 15:41:40,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_driver_lock [2022-12-14 15:41:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2022-12-14 15:41:40,014 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2022-12-14 15:41:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2022-12-14 15:41:40,014 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2022-12-14 15:41:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure display_open [2022-12-14 15:41:40,014 INFO L138 BoogieDeclarations]: Found implementation of procedure display_open [2022-12-14 15:41:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 15:41:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-12-14 15:41:40,014 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-12-14 15:41:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 15:41:40,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 15:41:40,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:41:40,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:41:40,491 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:41:40,494 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:41:40,691 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 15:41:57,036 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-14 15:41:57,079 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:41:57,559 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:41:57,559 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-14 15:41:57,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:41:57 BoogieIcfgContainer [2022-12-14 15:41:57,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:41:57,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:41:57,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:41:57,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:41:57,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:41:37" (1/3) ... [2022-12-14 15:41:57,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26004bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:41:57, skipping insertion in model container [2022-12-14 15:41:57,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:41:39" (2/3) ... [2022-12-14 15:41:57,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26004bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:41:57, skipping insertion in model container [2022-12-14 15:41:57,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:41:57" (3/3) ... [2022-12-14 15:41:57,569 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i [2022-12-14 15:41:57,584 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:41:57,585 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-14 15:41:57,654 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:41:57,660 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@58e72e83, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:41:57,661 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-14 15:41:57,669 INFO L276 IsEmpty]: Start isEmpty. Operand has 1084 states, 664 states have (on average 1.3162650602409638) internal successors, (874), 673 states have internal predecessors, (874), 350 states have call successors, (350), 69 states have call predecessors, (350), 68 states have return successors, (344), 343 states have call predecessors, (344), 344 states have call successors, (344) [2022-12-14 15:41:57,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-12-14 15:41:57,687 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:41:57,688 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:41:57,688 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:41:57,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:41:57,692 INFO L85 PathProgramCache]: Analyzing trace with hash -664578375, now seen corresponding path program 1 times [2022-12-14 15:41:57,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:41:57,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092334127] [2022-12-14 15:41:57,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:41:57,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:41:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:41:58,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2022-12-14 15:41:58,270 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:41:58,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092334127] [2022-12-14 15:41:58,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092334127] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:41:58,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:41:58,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:41:58,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336853768] [2022-12-14 15:41:58,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:41:58,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:41:58,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:41:58,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:41:58,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:41:58,300 INFO L87 Difference]: Start difference. First operand has 1084 states, 664 states have (on average 1.3162650602409638) internal successors, (874), 673 states have internal predecessors, (874), 350 states have call successors, (350), 69 states have call predecessors, (350), 68 states have return successors, (344), 343 states have call predecessors, (344), 344 states have call successors, (344) Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 15:42:00,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:42:03,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:42:03,051 INFO L93 Difference]: Finished difference Result 3080 states and 4565 transitions. [2022-12-14 15:42:03,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:42:03,053 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 208 [2022-12-14 15:42:03,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:42:03,073 INFO L225 Difference]: With dead ends: 3080 [2022-12-14 15:42:03,074 INFO L226 Difference]: Without dead ends: 2020 [2022-12-14 15:42:03,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:42:03,083 INFO L413 NwaCegarLoop]: 1628 mSDtfsCounter, 1367 mSDsluCounter, 1309 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1367 SdHoareTripleChecker+Valid, 2937 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-12-14 15:42:03,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1367 Valid, 2937 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-12-14 15:42:03,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2020 states. [2022-12-14 15:42:03,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2020 to 2000. [2022-12-14 15:42:03,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2000 states, 1240 states have (on average 1.3072580645161291) internal successors, (1621), 1264 states have internal predecessors, (1621), 624 states have call successors, (624), 134 states have call predecessors, (624), 133 states have return successors, (620), 613 states have call predecessors, (620), 620 states have call successors, (620) [2022-12-14 15:42:03,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 2000 states and 2865 transitions. [2022-12-14 15:42:03,251 INFO L78 Accepts]: Start accepts. Automaton has 2000 states and 2865 transitions. Word has length 208 [2022-12-14 15:42:03,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:42:03,252 INFO L495 AbstractCegarLoop]: Abstraction has 2000 states and 2865 transitions. [2022-12-14 15:42:03,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 15:42:03,253 INFO L276 IsEmpty]: Start isEmpty. Operand 2000 states and 2865 transitions. [2022-12-14 15:42:03,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-12-14 15:42:03,258 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:42:03,259 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:42:03,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 15:42:03,259 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:42:03,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:42:03,260 INFO L85 PathProgramCache]: Analyzing trace with hash 827324475, now seen corresponding path program 1 times [2022-12-14 15:42:03,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:42:03,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205222082] [2022-12-14 15:42:03,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:42:03,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:42:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:42:03,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2022-12-14 15:42:03,962 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:42:03,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205222082] [2022-12-14 15:42:03,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205222082] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:42:03,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:42:03,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 15:42:03,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328916518] [2022-12-14 15:42:03,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:42:03,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 15:42:03,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:42:03,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 15:42:03,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-12-14 15:42:03,965 INFO L87 Difference]: Start difference. First operand 2000 states and 2865 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 15:42:08,229 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 [] [2022-12-14 15:42:13,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:42:13,075 INFO L93 Difference]: Finished difference Result 7437 states and 10608 transitions. [2022-12-14 15:42:13,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 15:42:13,075 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 209 [2022-12-14 15:42:13,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:42:13,095 INFO L225 Difference]: With dead ends: 7437 [2022-12-14 15:42:13,096 INFO L226 Difference]: Without dead ends: 5476 [2022-12-14 15:42:13,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-12-14 15:42:13,101 INFO L413 NwaCegarLoop]: 1962 mSDtfsCounter, 4989 mSDsluCounter, 1865 mSDsCounter, 0 mSdLazyCounter, 2222 mSolverCounterSat, 1407 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5174 SdHoareTripleChecker+Valid, 3827 SdHoareTripleChecker+Invalid, 3629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1407 IncrementalHoareTripleChecker+Valid, 2222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-12-14 15:42:13,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5174 Valid, 3827 Invalid, 3629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1407 Valid, 2222 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2022-12-14 15:42:13,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5476 states. [2022-12-14 15:42:13,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5476 to 5432. [2022-12-14 15:42:13,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5432 states, 3396 states have (on average 1.3065371024734982) internal successors, (4437), 3468 states have internal predecessors, (4437), 1650 states have call successors, (1650), 384 states have call predecessors, (1650), 383 states have return successors, (1646), 1615 states have call predecessors, (1646), 1646 states have call successors, (1646) [2022-12-14 15:42:13,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5432 states to 5432 states and 7733 transitions. [2022-12-14 15:42:13,304 INFO L78 Accepts]: Start accepts. Automaton has 5432 states and 7733 transitions. Word has length 209 [2022-12-14 15:42:13,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:42:13,304 INFO L495 AbstractCegarLoop]: Abstraction has 5432 states and 7733 transitions. [2022-12-14 15:42:13,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 15:42:13,305 INFO L276 IsEmpty]: Start isEmpty. Operand 5432 states and 7733 transitions. [2022-12-14 15:42:13,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-12-14 15:42:13,307 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:42:13,307 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:42:13,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 15:42:13,307 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:42:13,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:42:13,308 INFO L85 PathProgramCache]: Analyzing trace with hash 305314219, now seen corresponding path program 1 times [2022-12-14 15:42:13,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:42:13,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648504371] [2022-12-14 15:42:13,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:42:13,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:42:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:42:13,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1409 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1409 trivial. 0 not checked. [2022-12-14 15:42:13,570 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:42:13,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648504371] [2022-12-14 15:42:13,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648504371] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:42:13,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:42:13,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:42:13,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131740261] [2022-12-14 15:42:13,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:42:13,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:42:13,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:42:13,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:42:13,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:42:13,572 INFO L87 Difference]: Start difference. First operand 5432 states and 7733 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-14 15:42:17,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:42:18,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:42:18,701 INFO L93 Difference]: Finished difference Result 11635 states and 16512 transitions. [2022-12-14 15:42:18,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:42:18,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 214 [2022-12-14 15:42:18,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:42:18,722 INFO L225 Difference]: With dead ends: 11635 [2022-12-14 15:42:18,722 INFO L226 Difference]: Without dead ends: 6242 [2022-12-14 15:42:18,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:42:18,732 INFO L413 NwaCegarLoop]: 1534 mSDtfsCounter, 1080 mSDsluCounter, 1278 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1080 SdHoareTripleChecker+Valid, 2812 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-12-14 15:42:18,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1080 Valid, 2812 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-12-14 15:42:18,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6242 states. [2022-12-14 15:42:18,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6242 to 6238. [2022-12-14 15:42:18,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6238 states, 3910 states have (on average 1.3023017902813299) internal successors, (5092), 3989 states have internal predecessors, (5092), 1869 states have call successors, (1869), 457 states have call predecessors, (1869), 456 states have return successors, (1865), 1833 states have call predecessors, (1865), 1865 states have call successors, (1865) [2022-12-14 15:42:18,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6238 states to 6238 states and 8826 transitions. [2022-12-14 15:42:18,985 INFO L78 Accepts]: Start accepts. Automaton has 6238 states and 8826 transitions. Word has length 214 [2022-12-14 15:42:18,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:42:18,986 INFO L495 AbstractCegarLoop]: Abstraction has 6238 states and 8826 transitions. [2022-12-14 15:42:18,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-14 15:42:18,986 INFO L276 IsEmpty]: Start isEmpty. Operand 6238 states and 8826 transitions. [2022-12-14 15:42:18,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-12-14 15:42:18,988 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:42:18,988 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:42:18,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 15:42:18,989 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:42:18,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:42:18,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1408347381, now seen corresponding path program 1 times [2022-12-14 15:42:18,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:42:18,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309333021] [2022-12-14 15:42:18,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:42:18,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:42:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:42:19,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2022-12-14 15:42:19,341 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:42:19,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309333021] [2022-12-14 15:42:19,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309333021] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:42:19,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:42:19,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:42:19,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227006858] [2022-12-14 15:42:19,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:42:19,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:42:19,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:42:19,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:42:19,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:42:19,344 INFO L87 Difference]: Start difference. First operand 6238 states and 8826 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-12-14 15:42:23,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:42:23,613 INFO L93 Difference]: Finished difference Result 17527 states and 24779 transitions. [2022-12-14 15:42:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:42:23,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 213 [2022-12-14 15:42:23,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:42:23,646 INFO L225 Difference]: With dead ends: 17527 [2022-12-14 15:42:23,647 INFO L226 Difference]: Without dead ends: 11328 [2022-12-14 15:42:23,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:42:23,659 INFO L413 NwaCegarLoop]: 1622 mSDtfsCounter, 1380 mSDsluCounter, 1300 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1380 SdHoareTripleChecker+Valid, 2922 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-12-14 15:42:23,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1380 Valid, 2922 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-12-14 15:42:23,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11328 states. [2022-12-14 15:42:24,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11328 to 11298. [2022-12-14 15:42:24,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11298 states, 7074 states have (on average 1.3012439920836867) internal successors, (9205), 7235 states have internal predecessors, (9205), 3372 states have call successors, (3372), 850 states have call predecessors, (3372), 849 states have return successors, (3368), 3290 states have call predecessors, (3368), 3368 states have call successors, (3368) [2022-12-14 15:42:24,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11298 states to 11298 states and 15945 transitions. [2022-12-14 15:42:24,123 INFO L78 Accepts]: Start accepts. Automaton has 11298 states and 15945 transitions. Word has length 213 [2022-12-14 15:42:24,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:42:24,124 INFO L495 AbstractCegarLoop]: Abstraction has 11298 states and 15945 transitions. [2022-12-14 15:42:24,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-12-14 15:42:24,124 INFO L276 IsEmpty]: Start isEmpty. Operand 11298 states and 15945 transitions. [2022-12-14 15:42:24,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-12-14 15:42:24,126 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:42:24,126 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:42:24,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 15:42:24,127 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:42:24,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:42:24,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1498717177, now seen corresponding path program 1 times [2022-12-14 15:42:24,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:42:24,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467187165] [2022-12-14 15:42:24,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:42:24,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:42:24,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:42:24,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2022-12-14 15:42:24,392 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:42:24,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467187165] [2022-12-14 15:42:24,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467187165] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:42:24,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:42:24,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:42:24,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658985203] [2022-12-14 15:42:24,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:42:24,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:42:24,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:42:24,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:42:24,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:42:24,394 INFO L87 Difference]: Start difference. First operand 11298 states and 15945 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-12-14 15:42:29,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:42:29,647 INFO L93 Difference]: Finished difference Result 32413 states and 45631 transitions. [2022-12-14 15:42:29,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:42:29,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 214 [2022-12-14 15:42:29,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:42:29,719 INFO L225 Difference]: With dead ends: 32413 [2022-12-14 15:42:29,719 INFO L226 Difference]: Without dead ends: 21154 [2022-12-14 15:42:29,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:42:29,747 INFO L413 NwaCegarLoop]: 1716 mSDtfsCounter, 1369 mSDsluCounter, 1300 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1369 SdHoareTripleChecker+Valid, 3016 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-12-14 15:42:29,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1369 Valid, 3016 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-12-14 15:42:29,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21154 states. [2022-12-14 15:42:30,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21154 to 21124. [2022-12-14 15:42:30,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21124 states, 13164 states have (on average 1.2932239440899422) internal successors, (17024), 13489 states have internal predecessors, (17024), 6314 states have call successors, (6314), 1644 states have call predecessors, (6314), 1643 states have return successors, (6310), 6140 states have call predecessors, (6310), 6310 states have call successors, (6310) [2022-12-14 15:42:30,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21124 states to 21124 states and 29648 transitions. [2022-12-14 15:42:30,587 INFO L78 Accepts]: Start accepts. Automaton has 21124 states and 29648 transitions. Word has length 214 [2022-12-14 15:42:30,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:42:30,587 INFO L495 AbstractCegarLoop]: Abstraction has 21124 states and 29648 transitions. [2022-12-14 15:42:30,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-12-14 15:42:30,588 INFO L276 IsEmpty]: Start isEmpty. Operand 21124 states and 29648 transitions. [2022-12-14 15:42:30,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-12-14 15:42:30,589 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:42:30,590 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:42:30,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 15:42:30,590 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:42:30,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:42:30,590 INFO L85 PathProgramCache]: Analyzing trace with hash 546245963, now seen corresponding path program 1 times [2022-12-14 15:42:30,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:42:30,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120325514] [2022-12-14 15:42:30,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:42:30,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:42:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:42:30,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2022-12-14 15:42:30,863 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:42:30,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120325514] [2022-12-14 15:42:30,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120325514] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:42:30,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:42:30,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:42:30,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157000209] [2022-12-14 15:42:30,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:42:30,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:42:30,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:42:30,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:42:30,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:42:30,865 INFO L87 Difference]: Start difference. First operand 21124 states and 29648 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-12-14 15:42:35,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:42:37,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:42:37,036 INFO L93 Difference]: Finished difference Result 51933 states and 72678 transitions. [2022-12-14 15:42:37,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:42:37,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 219 [2022-12-14 15:42:37,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:42:37,138 INFO L225 Difference]: With dead ends: 51933 [2022-12-14 15:42:37,139 INFO L226 Difference]: Without dead ends: 30848 [2022-12-14 15:42:37,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:42:37,182 INFO L413 NwaCegarLoop]: 1504 mSDtfsCounter, 821 mSDsluCounter, 1288 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 821 SdHoareTripleChecker+Valid, 2792 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-12-14 15:42:37,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [821 Valid, 2792 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-12-14 15:42:37,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30848 states. [2022-12-14 15:42:38,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30848 to 30780. [2022-12-14 15:42:38,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30780 states, 19382 states have (on average 1.2869672892374369) internal successors, (24944), 19905 states have internal predecessors, (24944), 8902 states have call successors, (8902), 2494 states have call predecessors, (8902), 2493 states have return successors, (8898), 8530 states have call predecessors, (8898), 8898 states have call successors, (8898) [2022-12-14 15:42:38,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30780 states to 30780 states and 42744 transitions. [2022-12-14 15:42:38,289 INFO L78 Accepts]: Start accepts. Automaton has 30780 states and 42744 transitions. Word has length 219 [2022-12-14 15:42:38,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:42:38,289 INFO L495 AbstractCegarLoop]: Abstraction has 30780 states and 42744 transitions. [2022-12-14 15:42:38,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-12-14 15:42:38,290 INFO L276 IsEmpty]: Start isEmpty. Operand 30780 states and 42744 transitions. [2022-12-14 15:42:38,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-12-14 15:42:38,292 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:42:38,292 INFO L195 NwaCegarLoop]: trace histogram [21, 19, 19, 19, 19, 19, 19, 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] [2022-12-14 15:42:38,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 15:42:38,292 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:42:38,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:42:38,293 INFO L85 PathProgramCache]: Analyzing trace with hash -748920312, now seen corresponding path program 1 times [2022-12-14 15:42:38,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:42:38,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614858141] [2022-12-14 15:42:38,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:42:38,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:42:38,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:42:38,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1449 trivial. 0 not checked. [2022-12-14 15:42:38,519 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:42:38,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614858141] [2022-12-14 15:42:38,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614858141] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:42:38,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:42:38,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:42:38,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511695030] [2022-12-14 15:42:38,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:42:38,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:42:38,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:42:38,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:42:38,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:42:38,520 INFO L87 Difference]: Start difference. First operand 30780 states and 42744 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-14 15:42:43,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:42:46,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:42:46,248 INFO L93 Difference]: Finished difference Result 70376 states and 97450 transitions. [2022-12-14 15:42:46,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:42:46,249 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 239 [2022-12-14 15:42:46,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:42:46,354 INFO L225 Difference]: With dead ends: 70376 [2022-12-14 15:42:46,354 INFO L226 Difference]: Without dead ends: 39635 [2022-12-14 15:42:46,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:42:46,402 INFO L413 NwaCegarLoop]: 1911 mSDtfsCounter, 814 mSDsluCounter, 1308 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 3219 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-12-14 15:42:46,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [814 Valid, 3219 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-12-14 15:42:46,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39635 states. [2022-12-14 15:42:47,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39635 to 39571. [2022-12-14 15:42:47,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39571 states, 25056 states have (on average 1.2831657088122606) internal successors, (32151), 25742 states have internal predecessors, (32151), 11251 states have call successors, (11251), 3286 states have call predecessors, (11251), 3261 states have return successors, (11247), 10686 states have call predecessors, (11247), 11247 states have call successors, (11247) [2022-12-14 15:42:47,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39571 states to 39571 states and 54649 transitions. [2022-12-14 15:42:47,828 INFO L78 Accepts]: Start accepts. Automaton has 39571 states and 54649 transitions. Word has length 239 [2022-12-14 15:42:47,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:42:47,828 INFO L495 AbstractCegarLoop]: Abstraction has 39571 states and 54649 transitions. [2022-12-14 15:42:47,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-14 15:42:47,829 INFO L276 IsEmpty]: Start isEmpty. Operand 39571 states and 54649 transitions. [2022-12-14 15:42:47,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-12-14 15:42:47,831 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:42:47,831 INFO L195 NwaCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:42:47,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 15:42:47,831 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:42:47,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:42:47,832 INFO L85 PathProgramCache]: Analyzing trace with hash 280605183, now seen corresponding path program 1 times [2022-12-14 15:42:47,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:42:47,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829474426] [2022-12-14 15:42:47,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:42:47,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:42:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:42:48,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1567 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1567 trivial. 0 not checked. [2022-12-14 15:42:48,467 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:42:48,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829474426] [2022-12-14 15:42:48,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829474426] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:42:48,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:42:48,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:42:48,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301476059] [2022-12-14 15:42:48,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:42:48,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:42:48,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:42:48,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:42:48,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:42:48,469 INFO L87 Difference]: Start difference. First operand 39571 states and 54649 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-14 15:42:51,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:42:53,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:42:57,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:42:57,842 INFO L93 Difference]: Finished difference Result 43205 states and 58440 transitions. [2022-12-14 15:42:57,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:42:57,843 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 259 [2022-12-14 15:42:57,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:42:57,946 INFO L225 Difference]: With dead ends: 43205 [2022-12-14 15:42:57,946 INFO L226 Difference]: Without dead ends: 43203 [2022-12-14 15:42:57,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:42:57,960 INFO L413 NwaCegarLoop]: 1333 mSDtfsCounter, 961 mSDsluCounter, 3187 mSDsCounter, 0 mSdLazyCounter, 751 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 965 SdHoareTripleChecker+Valid, 4520 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:42:57,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [965 Valid, 4520 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 751 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2022-12-14 15:42:57,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43203 states. [2022-12-14 15:42:59,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43203 to 43199. [2022-12-14 15:42:59,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43199 states, 27190 states have (on average 1.2726002206693638) internal successors, (34602), 27876 states have internal predecessors, (34602), 11919 states have call successors, (11919), 4112 states have call predecessors, (11919), 4087 states have return successors, (11915), 11354 states have call predecessors, (11915), 11915 states have call successors, (11915) [2022-12-14 15:42:59,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43199 states to 43199 states and 58436 transitions. [2022-12-14 15:42:59,408 INFO L78 Accepts]: Start accepts. Automaton has 43199 states and 58436 transitions. Word has length 259 [2022-12-14 15:42:59,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:42:59,409 INFO L495 AbstractCegarLoop]: Abstraction has 43199 states and 58436 transitions. [2022-12-14 15:42:59,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-14 15:42:59,409 INFO L276 IsEmpty]: Start isEmpty. Operand 43199 states and 58436 transitions. [2022-12-14 15:42:59,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-12-14 15:42:59,411 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:42:59,411 INFO L195 NwaCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:42:59,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 15:42:59,411 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:42:59,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:42:59,411 INFO L85 PathProgramCache]: Analyzing trace with hash -142688084, now seen corresponding path program 1 times [2022-12-14 15:42:59,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:42:59,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639587630] [2022-12-14 15:42:59,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:42:59,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:42:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:42:59,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1566 trivial. 0 not checked. [2022-12-14 15:42:59,955 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:42:59,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639587630] [2022-12-14 15:42:59,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639587630] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:42:59,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:42:59,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:42:59,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454132331] [2022-12-14 15:42:59,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:42:59,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:42:59,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:42:59,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:42:59,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:42:59,957 INFO L87 Difference]: Start difference. First operand 43199 states and 58436 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-14 15:43:03,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:43:10,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:43:10,137 INFO L93 Difference]: Finished difference Result 86271 states and 116711 transitions. [2022-12-14 15:43:10,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 15:43:10,138 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 263 [2022-12-14 15:43:10,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:43:10,389 INFO L225 Difference]: With dead ends: 86271 [2022-12-14 15:43:10,389 INFO L226 Difference]: Without dead ends: 86269 [2022-12-14 15:43:10,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:43:10,411 INFO L413 NwaCegarLoop]: 1648 mSDtfsCounter, 1461 mSDsluCounter, 4543 mSDsCounter, 0 mSdLazyCounter, 869 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1464 SdHoareTripleChecker+Valid, 6191 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 869 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-12-14 15:43:10,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1464 Valid, 6191 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 869 Invalid, 1 Unknown, 0 Unchecked, 7.5s Time] [2022-12-14 15:43:10,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86269 states. [2022-12-14 15:43:13,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86269 to 86263. [2022-12-14 15:43:13,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86263 states, 54278 states have (on average 1.272928258226169) internal successors, (69092), 55648 states have internal predecessors, (69092), 23811 states have call successors, (23811), 8221 states have call predecessors, (23811), 8171 states have return successors, (23803), 22681 states have call predecessors, (23803), 23803 states have call successors, (23803) [2022-12-14 15:43:13,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86263 states to 86263 states and 116706 transitions. [2022-12-14 15:43:13,711 INFO L78 Accepts]: Start accepts. Automaton has 86263 states and 116706 transitions. Word has length 263 [2022-12-14 15:43:13,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:43:13,711 INFO L495 AbstractCegarLoop]: Abstraction has 86263 states and 116706 transitions. [2022-12-14 15:43:13,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-14 15:43:13,712 INFO L276 IsEmpty]: Start isEmpty. Operand 86263 states and 116706 transitions. [2022-12-14 15:43:13,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-12-14 15:43:13,714 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:43:13,714 INFO L195 NwaCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 5, 5, 3, 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] [2022-12-14 15:43:13,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 15:43:13,715 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:43:13,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:43:13,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1392080575, now seen corresponding path program 1 times [2022-12-14 15:43:13,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:43:13,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664128934] [2022-12-14 15:43:13,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:43:13,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:43:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:43:14,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1575 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1571 trivial. 0 not checked. [2022-12-14 15:43:14,328 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:43:14,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664128934] [2022-12-14 15:43:14,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664128934] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:43:14,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:43:14,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:43:14,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920348839] [2022-12-14 15:43:14,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:43:14,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:43:14,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:43:14,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:43:14,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:43:14,330 INFO L87 Difference]: Start difference. First operand 86263 states and 116706 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 15:43:17,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:43:22,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:43:22,535 INFO L93 Difference]: Finished difference Result 86273 states and 116715 transitions. [2022-12-14 15:43:22,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:43:22,536 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 269 [2022-12-14 15:43:22,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:43:22,748 INFO L225 Difference]: With dead ends: 86273 [2022-12-14 15:43:22,749 INFO L226 Difference]: Without dead ends: 86271 [2022-12-14 15:43:22,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:43:22,773 INFO L413 NwaCegarLoop]: 1315 mSDtfsCounter, 1461 mSDsluCounter, 2618 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1463 SdHoareTripleChecker+Valid, 3933 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-12-14 15:43:22,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1463 Valid, 3933 Invalid, 655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-12-14 15:43:22,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86271 states. [2022-12-14 15:43:26,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86271 to 86271. [2022-12-14 15:43:26,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86271 states, 54284 states have (on average 1.2728980915186796) internal successors, (69098), 55654 states have internal predecessors, (69098), 23811 states have call successors, (23811), 8223 states have call predecessors, (23811), 8173 states have return successors, (23803), 22681 states have call predecessors, (23803), 23803 states have call successors, (23803) [2022-12-14 15:43:26,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86271 states to 86271 states and 116712 transitions. [2022-12-14 15:43:26,421 INFO L78 Accepts]: Start accepts. Automaton has 86271 states and 116712 transitions. Word has length 269 [2022-12-14 15:43:26,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:43:26,422 INFO L495 AbstractCegarLoop]: Abstraction has 86271 states and 116712 transitions. [2022-12-14 15:43:26,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 15:43:26,422 INFO L276 IsEmpty]: Start isEmpty. Operand 86271 states and 116712 transitions. [2022-12-14 15:43:26,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-12-14 15:43:26,425 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:43:26,425 INFO L195 NwaCegarLoop]: trace histogram [24, 19, 19, 19, 19, 19, 19, 4, 4, 3, 3, 3, 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] [2022-12-14 15:43:26,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 15:43:26,425 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:43:26,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:43:26,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1878909587, now seen corresponding path program 1 times [2022-12-14 15:43:26,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:43:26,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167851015] [2022-12-14 15:43:26,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:43:26,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:43:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:43:26,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1612 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1605 trivial. 0 not checked. [2022-12-14 15:43:26,629 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:43:26,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167851015] [2022-12-14 15:43:26,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167851015] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:43:26,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:43:26,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:43:26,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317659370] [2022-12-14 15:43:26,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:43:26,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:43:26,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:43:26,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:43:26,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:43:26,631 INFO L87 Difference]: Start difference. First operand 86271 states and 116712 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-14 15:43:29,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:43:30,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:43:34,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:43:38,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:43:38,452 INFO L93 Difference]: Finished difference Result 210187 states and 284592 transitions. [2022-12-14 15:43:38,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:43:38,453 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 269 [2022-12-14 15:43:38,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:43:38,792 INFO L225 Difference]: With dead ends: 210187 [2022-12-14 15:43:38,792 INFO L226 Difference]: Without dead ends: 124049 [2022-12-14 15:43:38,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:43:38,937 INFO L413 NwaCegarLoop]: 2318 mSDtfsCounter, 1358 mSDsluCounter, 1281 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1358 SdHoareTripleChecker+Valid, 3599 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-12-14 15:43:38,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1358 Valid, 3599 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-12-14 15:43:39,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124049 states. [2022-12-14 15:43:43,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124049 to 123951. [2022-12-14 15:43:43,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123951 states, 78198 states have (on average 1.272232026394537) internal successors, (99486), 80276 states have internal predecessors, (99486), 33947 states have call successors, (33947), 11877 states have call predecessors, (33947), 11803 states have return successors, (33939), 32229 states have call predecessors, (33939), 33939 states have call successors, (33939) [2022-12-14 15:43:44,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123951 states to 123951 states and 167372 transitions. [2022-12-14 15:43:44,121 INFO L78 Accepts]: Start accepts. Automaton has 123951 states and 167372 transitions. Word has length 269 [2022-12-14 15:43:44,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:43:44,121 INFO L495 AbstractCegarLoop]: Abstraction has 123951 states and 167372 transitions. [2022-12-14 15:43:44,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-14 15:43:44,122 INFO L276 IsEmpty]: Start isEmpty. Operand 123951 states and 167372 transitions. [2022-12-14 15:43:44,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-12-14 15:43:44,124 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:43:44,124 INFO L195 NwaCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 5, 5, 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] [2022-12-14 15:43:44,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 15:43:44,125 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:43:44,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:43:44,125 INFO L85 PathProgramCache]: Analyzing trace with hash 2030741804, now seen corresponding path program 1 times [2022-12-14 15:43:44,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:43:44,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360442288] [2022-12-14 15:43:44,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:43:44,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:43:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:43:44,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1578 trivial. 0 not checked. [2022-12-14 15:43:44,690 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:43:44,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360442288] [2022-12-14 15:43:44,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360442288] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:43:44,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:43:44,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:43:44,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086326977] [2022-12-14 15:43:44,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:43:44,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:43:44,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:43:44,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:43:44,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:43:44,692 INFO L87 Difference]: Start difference. First operand 123951 states and 167372 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-14 15:43:47,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:43:50,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:43:51,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:43:53,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:43:55,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:44:02,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:44:02,191 INFO L93 Difference]: Finished difference Result 131531 states and 174406 transitions. [2022-12-14 15:44:02,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:44:02,191 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 273 [2022-12-14 15:44:02,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:44:02,517 INFO L225 Difference]: With dead ends: 131531 [2022-12-14 15:44:02,517 INFO L226 Difference]: Without dead ends: 131527 [2022-12-14 15:44:02,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:44:02,550 INFO L413 NwaCegarLoop]: 1335 mSDtfsCounter, 929 mSDsluCounter, 3170 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 930 SdHoareTripleChecker+Valid, 4505 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:44:02,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [930 Valid, 4505 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 753 Invalid, 1 Unknown, 0 Unchecked, 13.1s Time] [2022-12-14 15:44:02,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131527 states. [2022-12-14 15:44:07,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131527 to 131525. [2022-12-14 15:44:07,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131525 states, 82339 states have (on average 1.2629009339438175) internal successors, (103986), 84416 states have internal predecessors, (103986), 35211 states have call successors, (35211), 14047 states have call predecessors, (35211), 13972 states have return successors, (35203), 33493 states have call predecessors, (35203), 35203 states have call successors, (35203) [2022-12-14 15:44:08,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131525 states to 131525 states and 174400 transitions. [2022-12-14 15:44:08,046 INFO L78 Accepts]: Start accepts. Automaton has 131525 states and 174400 transitions. Word has length 273 [2022-12-14 15:44:08,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:44:08,047 INFO L495 AbstractCegarLoop]: Abstraction has 131525 states and 174400 transitions. [2022-12-14 15:44:08,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-14 15:44:08,047 INFO L276 IsEmpty]: Start isEmpty. Operand 131525 states and 174400 transitions. [2022-12-14 15:44:08,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-12-14 15:44:08,052 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:44:08,052 INFO L195 NwaCegarLoop]: trace histogram [24, 19, 19, 19, 19, 19, 19, 4, 4, 3, 3, 3, 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] [2022-12-14 15:44:08,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 15:44:08,053 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:44:08,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:44:08,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1066736185, now seen corresponding path program 1 times [2022-12-14 15:44:08,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:44:08,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353759922] [2022-12-14 15:44:08,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:44:08,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:44:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:44:08,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1611 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1604 trivial. 0 not checked. [2022-12-14 15:44:08,264 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:44:08,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353759922] [2022-12-14 15:44:08,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353759922] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:44:08,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:44:08,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:44:08,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856545425] [2022-12-14 15:44:08,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:44:08,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:44:08,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:44:08,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:44:08,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:44:08,266 INFO L87 Difference]: Start difference. First operand 131525 states and 174400 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-12-14 15:44:12,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:44:20,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:44:20,471 INFO L93 Difference]: Finished difference Result 324597 states and 430426 transitions. [2022-12-14 15:44:20,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:44:20,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 273 [2022-12-14 15:44:20,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:44:21,088 INFO L225 Difference]: With dead ends: 324597 [2022-12-14 15:44:21,088 INFO L226 Difference]: Without dead ends: 193205 [2022-12-14 15:44:21,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:44:21,306 INFO L413 NwaCegarLoop]: 2382 mSDtfsCounter, 1379 mSDsluCounter, 1298 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1379 SdHoareTripleChecker+Valid, 3680 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-12-14 15:44:21,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1379 Valid, 3680 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-12-14 15:44:21,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193205 states. [2022-12-14 15:44:29,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193205 to 193041. [2022-12-14 15:44:30,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193041 states, 120771 states have (on average 1.2620248238401603) internal successors, (152416), 123940 states have internal predecessors, (152416), 51595 states have call successors, (51595), 20783 states have call predecessors, (51595), 20672 states have return successors, (51587), 48965 states have call predecessors, (51587), 51587 states have call successors, (51587) [2022-12-14 15:44:30,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193041 states to 193041 states and 255598 transitions. [2022-12-14 15:44:30,732 INFO L78 Accepts]: Start accepts. Automaton has 193041 states and 255598 transitions. Word has length 273 [2022-12-14 15:44:30,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:44:30,733 INFO L495 AbstractCegarLoop]: Abstraction has 193041 states and 255598 transitions. [2022-12-14 15:44:30,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-12-14 15:44:30,733 INFO L276 IsEmpty]: Start isEmpty. Operand 193041 states and 255598 transitions. [2022-12-14 15:44:30,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2022-12-14 15:44:30,736 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:44:30,737 INFO L195 NwaCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:44:30,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 15:44:30,737 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:44:30,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:44:30,737 INFO L85 PathProgramCache]: Analyzing trace with hash -112460929, now seen corresponding path program 1 times [2022-12-14 15:44:30,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:44:30,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353306971] [2022-12-14 15:44:30,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:44:30,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:44:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:44:31,196 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1591 trivial. 0 not checked. [2022-12-14 15:44:31,196 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:44:31,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353306971] [2022-12-14 15:44:31,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353306971] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:44:31,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:44:31,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:44:31,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652157722] [2022-12-14 15:44:31,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:44:31,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:44:31,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:44:31,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:44:31,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:44:31,197 INFO L87 Difference]: Start difference. First operand 193041 states and 255598 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-12-14 15:44:34,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:44:36,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:44:45,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:44:45,937 INFO L93 Difference]: Finished difference Result 193047 states and 255603 transitions. [2022-12-14 15:44:45,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:44:45,938 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 279 [2022-12-14 15:44:45,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:44:46,454 INFO L225 Difference]: With dead ends: 193047 [2022-12-14 15:44:46,454 INFO L226 Difference]: Without dead ends: 191652 [2022-12-14 15:44:46,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:44:46,511 INFO L413 NwaCegarLoop]: 1316 mSDtfsCounter, 1461 mSDsluCounter, 2620 mSDsCounter, 0 mSdLazyCounter, 651 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1461 SdHoareTripleChecker+Valid, 3936 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-12-14 15:44:46,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1461 Valid, 3936 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 651 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2022-12-14 15:44:46,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191652 states. [2022-12-14 15:44:54,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191652 to 191652. [2022-12-14 15:44:54,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191652 states, 120480 states have (on average 1.2586155378486055) internal successors, (151638), 123163 states have internal predecessors, (151638), 50612 states have call successors, (50612), 20613 states have call predecessors, (50612), 20557 states have return successors, (50608), 48523 states have call predecessors, (50608), 50608 states have call successors, (50608) [2022-12-14 15:44:55,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191652 states to 191652 states and 252858 transitions. [2022-12-14 15:44:55,148 INFO L78 Accepts]: Start accepts. Automaton has 191652 states and 252858 transitions. Word has length 279 [2022-12-14 15:44:55,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:44:55,149 INFO L495 AbstractCegarLoop]: Abstraction has 191652 states and 252858 transitions. [2022-12-14 15:44:55,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-12-14 15:44:55,149 INFO L276 IsEmpty]: Start isEmpty. Operand 191652 states and 252858 transitions. [2022-12-14 15:44:55,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-12-14 15:44:55,152 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:44:55,153 INFO L195 NwaCegarLoop]: trace histogram [24, 19, 19, 19, 19, 19, 19, 4, 4, 3, 3, 3, 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] [2022-12-14 15:44:55,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 15:44:55,153 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:44:55,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:44:55,153 INFO L85 PathProgramCache]: Analyzing trace with hash -501295307, now seen corresponding path program 1 times [2022-12-14 15:44:55,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:44:55,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262225882] [2022-12-14 15:44:55,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:44:55,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:44:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:44:55,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1611 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1604 trivial. 0 not checked. [2022-12-14 15:44:55,382 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:44:55,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262225882] [2022-12-14 15:44:55,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262225882] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:44:55,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:44:55,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:44:55,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608372336] [2022-12-14 15:44:55,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:44:55,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:44:55,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:44:55,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:44:55,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:44:55,384 INFO L87 Difference]: Start difference. First operand 191652 states and 252858 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-12-14 15:45:00,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:45:20,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:45:20,349 INFO L93 Difference]: Finished difference Result 562169 states and 740598 transitions. [2022-12-14 15:45:20,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 15:45:20,350 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 274 [2022-12-14 15:45:20,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:45:21,687 INFO L225 Difference]: With dead ends: 562169 [2022-12-14 15:45:21,688 INFO L226 Difference]: Without dead ends: 370650 [2022-12-14 15:45:22,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:45:22,052 INFO L413 NwaCegarLoop]: 2525 mSDtfsCounter, 3166 mSDsluCounter, 2013 mSDsCounter, 0 mSdLazyCounter, 2221 mSolverCounterSat, 529 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3352 SdHoareTripleChecker+Valid, 4538 SdHoareTripleChecker+Invalid, 2751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 529 IncrementalHoareTripleChecker+Valid, 2221 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:45:22,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3352 Valid, 4538 Invalid, 2751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [529 Valid, 2221 Invalid, 1 Unknown, 0 Unchecked, 9.1s Time] [2022-12-14 15:45:22,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370650 states. [2022-12-14 15:45:39,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370650 to 369698. [2022-12-14 15:45:39,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369698 states, 231562 states have (on average 1.2539103998065313) internal successors, (290358), 237035 states have internal predecessors, (290358), 97736 states have call successors, (97736), 40507 states have call predecessors, (97736), 40397 states have return successors, (97732), 93451 states have call predecessors, (97732), 97732 states have call successors, (97732) [2022-12-14 15:45:40,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369698 states to 369698 states and 485826 transitions. [2022-12-14 15:45:40,769 INFO L78 Accepts]: Start accepts. Automaton has 369698 states and 485826 transitions. Word has length 274 [2022-12-14 15:45:40,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:45:40,770 INFO L495 AbstractCegarLoop]: Abstraction has 369698 states and 485826 transitions. [2022-12-14 15:45:40,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-12-14 15:45:40,770 INFO L276 IsEmpty]: Start isEmpty. Operand 369698 states and 485826 transitions. [2022-12-14 15:45:40,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-12-14 15:45:40,774 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:45:40,774 INFO L195 NwaCegarLoop]: trace histogram [24, 19, 19, 19, 19, 19, 19, 4, 4, 3, 3, 3, 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] [2022-12-14 15:45:40,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 15:45:40,775 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:45:40,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:45:40,775 INFO L85 PathProgramCache]: Analyzing trace with hash -98794933, now seen corresponding path program 1 times [2022-12-14 15:45:40,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:45:40,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737338046] [2022-12-14 15:45:40,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:45:40,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:45:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:45:41,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1612 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1605 trivial. 0 not checked. [2022-12-14 15:45:41,034 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:45:41,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737338046] [2022-12-14 15:45:41,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737338046] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:45:41,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:45:41,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:45:41,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765902615] [2022-12-14 15:45:41,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:45:41,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:45:41,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:45:41,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:45:41,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:45:41,037 INFO L87 Difference]: Start difference. First operand 369698 states and 485826 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-14 15:45:44,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:46:09,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:46:09,331 INFO L93 Difference]: Finished difference Result 849716 states and 1117098 transitions. [2022-12-14 15:46:09,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:46:09,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 274 [2022-12-14 15:46:09,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:46:11,107 INFO L225 Difference]: With dead ends: 849716 [2022-12-14 15:46:11,107 INFO L226 Difference]: Without dead ends: 480151 [2022-12-14 15:46:11,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:46:11,925 INFO L413 NwaCegarLoop]: 2366 mSDtfsCounter, 1328 mSDsluCounter, 1275 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1328 SdHoareTripleChecker+Valid, 3641 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:46:11,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1328 Valid, 3641 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 632 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2022-12-14 15:46:12,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480151 states. [2022-12-14 15:46:34,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480151 to 479990. [2022-12-14 15:46:35,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479990 states, 301130 states have (on average 1.2522299339155847) internal successors, (377084), 308475 states have internal predecessors, (377084), 126344 states have call successors, (126344), 52659 states have call predecessors, (126344), 52513 states have return successors, (126340), 120583 states have call predecessors, (126340), 126340 states have call successors, (126340) [2022-12-14 15:46:36,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479990 states to 479990 states and 629768 transitions. [2022-12-14 15:46:36,890 INFO L78 Accepts]: Start accepts. Automaton has 479990 states and 629768 transitions. Word has length 274 [2022-12-14 15:46:36,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:46:36,890 INFO L495 AbstractCegarLoop]: Abstraction has 479990 states and 629768 transitions. [2022-12-14 15:46:36,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-14 15:46:36,890 INFO L276 IsEmpty]: Start isEmpty. Operand 479990 states and 629768 transitions. [2022-12-14 15:46:36,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-12-14 15:46:36,895 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:46:36,896 INFO L195 NwaCegarLoop]: trace histogram [24, 19, 19, 19, 19, 19, 19, 6, 6, 3, 3, 3, 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] [2022-12-14 15:46:36,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 15:46:36,896 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:46:36,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:46:36,896 INFO L85 PathProgramCache]: Analyzing trace with hash 838504468, now seen corresponding path program 1 times [2022-12-14 15:46:36,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:46:36,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628987523] [2022-12-14 15:46:36,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:46:36,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:46:36,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:46:37,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1638 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1626 trivial. 0 not checked. [2022-12-14 15:46:37,307 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:46:37,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628987523] [2022-12-14 15:46:37,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628987523] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:46:37,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:46:37,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:46:37,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748214654] [2022-12-14 15:46:37,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:46:37,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:46:37,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:46:37,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:46:37,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:46:37,309 INFO L87 Difference]: Start difference. First operand 479990 states and 629768 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-12-14 15:47:11,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:47:11,615 INFO L93 Difference]: Finished difference Result 1071667 states and 1402859 transitions. [2022-12-14 15:47:11,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:47:11,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 288 [2022-12-14 15:47:11,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:47:13,926 INFO L225 Difference]: With dead ends: 1071667 [2022-12-14 15:47:13,926 INFO L226 Difference]: Without dead ends: 591810 [2022-12-14 15:47:14,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:47:14,985 INFO L413 NwaCegarLoop]: 2000 mSDtfsCounter, 1252 mSDsluCounter, 916 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1252 SdHoareTripleChecker+Valid, 2916 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:47:14,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1252 Valid, 2916 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 537 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-12-14 15:47:15,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591810 states. [2022-12-14 15:47:43,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591810 to 591217. [2022-12-14 15:47:43,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591217 states, 371292 states have (on average 1.24863180461739) internal successors, (463607), 380701 states have internal predecessors, (463607), 153092 states have call successors, (153092), 66976 states have call predecessors, (153092), 66830 states have return successors, (153088), 145267 states have call predecessors, (153088), 153088 states have call successors, (153088) [2022-12-14 15:47:45,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591217 states to 591217 states and 769787 transitions. [2022-12-14 15:47:46,023 INFO L78 Accepts]: Start accepts. Automaton has 591217 states and 769787 transitions. Word has length 288 [2022-12-14 15:47:46,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:47:46,024 INFO L495 AbstractCegarLoop]: Abstraction has 591217 states and 769787 transitions. [2022-12-14 15:47:46,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-12-14 15:47:46,024 INFO L276 IsEmpty]: Start isEmpty. Operand 591217 states and 769787 transitions. [2022-12-14 15:47:46,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-12-14 15:47:46,029 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:47:46,029 INFO L195 NwaCegarLoop]: trace histogram [26, 19, 19, 19, 19, 19, 19, 4, 4, 4, 4, 4, 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] [2022-12-14 15:47:46,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 15:47:46,030 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:47:46,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:47:46,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1309369188, now seen corresponding path program 1 times [2022-12-14 15:47:46,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:47:46,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013522092] [2022-12-14 15:47:46,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:47:46,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:47:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:47:46,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1724 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1709 trivial. 0 not checked. [2022-12-14 15:47:46,289 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:47:46,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013522092] [2022-12-14 15:47:46,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013522092] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:47:46,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:47:46,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:47:46,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991620113] [2022-12-14 15:47:46,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:47:46,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:47:46,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:47:46,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:47:46,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:47:46,291 INFO L87 Difference]: Start difference. First operand 591217 states and 769787 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-12-14 15:47:48,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []