./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 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fdd37f-e785-47b1-97f4-e09f2f982087/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fdd37f-e785-47b1-97f4-e09f2f982087/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fdd37f-e785-47b1-97f4-e09f2f982087/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fdd37f-e785-47b1-97f4-e09f2f982087/bin/utaipan-ByfvJB40ur/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_c2fdd37f-e785-47b1-97f4-e09f2f982087/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fdd37f-e785-47b1-97f4-e09f2f982087/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-38b53e6 [2022-11-26 00:40:07,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:40:07,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:40:07,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:40:07,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:40:07,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:40:07,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:40:07,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:40:07,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:40:07,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:40:07,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:40:07,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:40:07,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:40:07,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:40:07,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:40:07,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:40:07,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:40:07,095 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:40:07,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:40:07,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:40:07,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:40:07,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:40:07,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:40:07,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:40:07,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:40:07,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:40:07,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:40:07,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:40:07,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:40:07,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:40:07,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:40:07,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:40:07,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:40:07,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:40:07,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:40:07,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:40:07,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:40:07,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:40:07,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:40:07,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:40:07,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:40:07,131 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fdd37f-e785-47b1-97f4-e09f2f982087/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:40:07,166 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:40:07,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:40:07,167 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:40:07,167 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:40:07,168 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:40:07,168 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:40:07,168 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:40:07,168 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:40:07,168 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:40:07,169 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:40:07,169 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:40:07,170 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:40:07,170 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:40:07,170 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:40:07,170 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:40:07,171 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:40:07,171 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:40:07,171 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:40:07,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:40:07,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:40:07,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:40:07,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:40:07,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:40:07,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:40:07,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:40:07,173 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:40:07,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:40:07,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:40:07,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:40:07,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:40:07,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:40:07,174 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:40:07,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:40:07,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:40:07,175 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:40:07,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:40:07,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:40:07,175 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:40:07,175 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_c2fdd37f-e785-47b1-97f4-e09f2f982087/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fdd37f-e785-47b1-97f4-e09f2f982087/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22e4387c36ff25592bf6c6537ff8412eacb18bdab6752c222fa8ef2a1ca9dbb8 [2022-11-26 00:40:07,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:40:07,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:40:07,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:40:07,530 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:40:07,531 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:40:07,532 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fdd37f-e785-47b1-97f4-e09f2f982087/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i [2022-11-26 00:40:10,569 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:40:11,257 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:40:11,258 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fdd37f-e785-47b1-97f4-e09f2f982087/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i [2022-11-26 00:40:11,306 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fdd37f-e785-47b1-97f4-e09f2f982087/bin/utaipan-ByfvJB40ur/data/1bbcfb27c/d6581e48bf884c6aae9ce7d6d501b7bb/FLAGa4e3c6383 [2022-11-26 00:40:11,323 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fdd37f-e785-47b1-97f4-e09f2f982087/bin/utaipan-ByfvJB40ur/data/1bbcfb27c/d6581e48bf884c6aae9ce7d6d501b7bb [2022-11-26 00:40:11,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:40:11,329 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:40:11,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:40:11,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:40:11,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:40:11,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:40:11" (1/1) ... [2022-11-26 00:40:11,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ac60dcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:11, skipping insertion in model container [2022-11-26 00:40:11,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:40:11" (1/1) ... [2022-11-26 00:40:11,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:40:11,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:40:12,355 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:40:12,499 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:40:12,510 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:40:12,582 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:40:12,583 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:40:12,585 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:40:12,586 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-26 00:40:12,782 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:12,822 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-11-26 00:40:12,827 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-11-26 00:40:12,832 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-11-26 00:40:12,837 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-11-26 00:40:12,938 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-26 00:40:12,939 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-26 00:40:12,939 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-26 00:40:12,940 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:40:12,942 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:12,945 WARN L623 FunctionHandler]: Unknown extern function usb_find_interface [2022-11-26 00:40:12,946 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:12,947 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:12,948 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:12,949 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:12,951 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:12,954 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:12,955 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:12,956 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:12,958 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:12,969 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-11-26 00:40:12,972 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-11-26 00:40:12,973 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:12,974 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_interruptible [2022-11-26 00:40:12,975 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-26 00:40:12,977 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-11-26 00:40:12,982 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:12,985 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-11-26 00:40:12,986 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:12,987 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:40:12,987 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 00:40:12,989 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-26 00:40:12,990 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-11-26 00:40:12,997 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:13,004 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:13,011 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:13,032 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:13,040 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:40:13,073 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-11-26 00:40:13,073 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:13,076 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-11-26 00:40:13,077 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:13,079 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-11-26 00:40:13,080 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:13,084 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-11-26 00:40:13,085 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:13,088 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-11-26 00:40:13,089 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:13,093 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-11-26 00:40:13,093 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:13,096 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-11-26 00:40:13,097 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:13,099 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-11-26 00:40:13,099 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:13,102 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-11-26 00:40:13,103 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:13,105 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:13,107 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-26 00:40:13,118 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:40:13,122 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:13,124 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:13,128 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:13,129 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:40:13,134 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:13,152 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-11-26 00:40:13,160 WARN L623 FunctionHandler]: Unknown extern function rc_g_keycode_from_table [2022-11-26 00:40:13,161 WARN L623 FunctionHandler]: Unknown extern function rc_g_keycode_from_table [2022-11-26 00:40:13,166 WARN L623 FunctionHandler]: Unknown extern function rc_g_keycode_from_table [2022-11-26 00:40:13,176 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:40:13,188 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:13,190 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:40:13,210 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:40:13,263 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:40:13,269 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:40:13,277 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:40:13,286 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:40:13,288 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:13,290 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:13,292 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:13,293 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:13,294 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:13,295 WARN L623 FunctionHandler]: Unknown extern function rc_keyup [2022-11-26 00:40:13,295 WARN L623 FunctionHandler]: Unknown extern function rc_keydown [2022-11-26 00:40:13,296 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:40:13,297 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:40:13,297 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-11-26 00:40:13,299 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:40:13,299 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:40:13,301 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:40:13,304 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:40:13,304 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-11-26 00:40:13,306 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:40:13,306 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-11-26 00:40:13,311 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:40:13,312 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:40:13,312 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:40:13,313 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:40:13,313 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:40:13,314 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:40:13,314 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:40:13,315 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:13,321 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:40:13,326 WARN L623 FunctionHandler]: Unknown extern function rc_allocate_device [2022-11-26 00:40:13,327 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:40:13,328 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-11-26 00:40:13,330 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:40:13,331 WARN L623 FunctionHandler]: Unknown extern function rc_register_device [2022-11-26 00:40:13,331 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:40:13,332 WARN L623 FunctionHandler]: Unknown extern function rc_free_device [2022-11-26 00:40:13,337 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-11-26 00:40:13,339 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-11-26 00:40:13,339 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:40:13,340 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-11-26 00:40:13,345 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-11-26 00:40:13,346 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-11-26 00:40:13,346 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-11-26 00:40:13,347 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-11-26 00:40:13,347 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:40:13,347 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-11-26 00:40:13,354 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:13,356 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:13,357 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:13,359 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:13,360 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:13,361 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:13,366 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:40:13,366 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-11-26 00:40:13,367 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:40:13,367 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-11-26 00:40:13,368 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:40:13,368 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:40:13,369 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:40:13,369 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-11-26 00:40:13,371 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-11-26 00:40:13,371 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:13,372 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:40:13,373 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:40:13,373 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-11-26 00:40:13,374 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-26 00:40:13,374 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-26 00:40:13,374 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-26 00:40:13,375 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:40:13,375 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:40:13,379 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-11-26 00:40:13,380 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:13,381 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:40:13,381 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-11-26 00:40:13,383 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-11-26 00:40:13,384 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:13,384 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-11-26 00:40:13,385 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-26 00:40:13,385 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:40:13,390 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:13,391 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_group [2022-11-26 00:40:13,391 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:40:13,392 WARN L623 FunctionHandler]: Unknown extern function usb_register_dev [2022-11-26 00:40:13,392 WARN L623 FunctionHandler]: Unknown extern function usb_register_dev [2022-11-26 00:40:13,393 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:40:13,394 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-11-26 00:40:13,395 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:13,396 WARN L623 FunctionHandler]: Unknown extern function usb_ifnum_to_if [2022-11-26 00:40:13,397 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:13,398 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:13,398 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_group [2022-11-26 00:40:13,399 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:13,400 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:40:13,400 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:40:13,402 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_group [2022-11-26 00:40:13,402 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_group [2022-11-26 00:40:13,403 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-26 00:40:13,403 WARN L623 FunctionHandler]: Unknown extern function complete_all [2022-11-26 00:40:13,403 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-26 00:40:13,404 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-11-26 00:40:13,404 WARN L623 FunctionHandler]: Unknown extern function rc_unregister_device [2022-11-26 00:40:13,404 WARN L623 FunctionHandler]: Unknown extern function usb_deregister_dev [2022-11-26 00:40:13,405 WARN L623 FunctionHandler]: Unknown extern function usb_deregister_dev [2022-11-26 00:40:13,405 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-26 00:40:13,405 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-11-26 00:40:13,407 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:13,408 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-26 00:40:13,409 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-26 00:40:13,410 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-11-26 00:40:13,411 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-11-26 00:40:13,639 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:13,640 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:13,640 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:13,641 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:13,642 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:13,642 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:13,643 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:13,643 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:13,643 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:13,644 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:13,644 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:13,644 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:13,644 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:13,645 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:13,645 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:13,645 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:13,645 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:13,646 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:13,646 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:13,668 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-11-26 00:40:13,668 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-11-26 00:40:13,680 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:40:13,681 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:40:13,684 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_usb_register_driver [2022-11-26 00:40:13,687 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 00:40:13,692 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:40:13,694 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-26 00:40:13,695 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-11-26 00:40:13,696 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-26 00:40:13,733 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-26 00:40:13,734 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:40:13,743 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:40:13,937 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_c2fdd37f-e785-47b1-97f4-e09f2f982087/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284136,284149] [2022-11-26 00:40:13,943 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_c2fdd37f-e785-47b1-97f4-e09f2f982087/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284302,284315] [2022-11-26 00:40:13,943 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_c2fdd37f-e785-47b1-97f4-e09f2f982087/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284466,284479] [2022-11-26 00:40:13,944 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_c2fdd37f-e785-47b1-97f4-e09f2f982087/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284631,284644] [2022-11-26 00:40:13,959 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:13,967 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:13,968 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:13,968 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:13,968 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:13,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:40:14,022 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:40:14,116 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:40:14,117 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:40:14,119 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:40:14,120 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:40:14,120 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:40:14,121 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:40:14,121 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-26 00:40:14,131 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:14,132 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-11-26 00:40:14,132 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-11-26 00:40:14,132 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-11-26 00:40:14,133 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-11-26 00:40:14,139 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-26 00:40:14,140 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-26 00:40:14,140 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-26 00:40:14,140 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:40:14,141 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:14,142 WARN L623 FunctionHandler]: Unknown extern function usb_find_interface [2022-11-26 00:40:14,143 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,143 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,144 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,144 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,145 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:14,146 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,147 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,147 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,148 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:14,151 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-11-26 00:40:14,153 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-11-26 00:40:14,153 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,153 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_interruptible [2022-11-26 00:40:14,154 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-26 00:40:14,155 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-11-26 00:40:14,155 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,157 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-11-26 00:40:14,157 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,158 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:40:14,158 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 00:40:14,159 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-26 00:40:14,159 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-11-26 00:40:14,160 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,161 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,162 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,165 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,167 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:40:14,219 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-11-26 00:40:14,219 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,221 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-11-26 00:40:14,221 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,223 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-11-26 00:40:14,223 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,229 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-11-26 00:40:14,229 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,233 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-11-26 00:40:14,233 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,238 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-11-26 00:40:14,239 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,240 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-11-26 00:40:14,241 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,243 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-11-26 00:40:14,243 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,245 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-11-26 00:40:14,246 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,247 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:14,249 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-26 00:40:14,256 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:40:14,257 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:14,259 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:14,260 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:14,260 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:40:14,264 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:14,268 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-11-26 00:40:14,275 WARN L623 FunctionHandler]: Unknown extern function rc_g_keycode_from_table [2022-11-26 00:40:14,275 WARN L623 FunctionHandler]: Unknown extern function rc_g_keycode_from_table [2022-11-26 00:40:14,276 WARN L623 FunctionHandler]: Unknown extern function rc_g_keycode_from_table [2022-11-26 00:40:14,278 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:40:14,288 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:14,289 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:40:14,297 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:40:14,305 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:40:14,306 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:40:14,311 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:40:14,315 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:40:14,317 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:14,323 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:14,329 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,330 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,331 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,332 WARN L623 FunctionHandler]: Unknown extern function rc_keyup [2022-11-26 00:40:14,332 WARN L623 FunctionHandler]: Unknown extern function rc_keydown [2022-11-26 00:40:14,333 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:40:14,334 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:40:14,334 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-11-26 00:40:14,336 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:40:14,336 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:40:14,338 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:40:14,340 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:40:14,340 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-11-26 00:40:14,341 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:40:14,343 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-11-26 00:40:14,345 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:40:14,346 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:40:14,347 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:40:14,347 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:40:14,347 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:40:14,348 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:40:14,348 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:40:14,349 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,350 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:40:14,352 WARN L623 FunctionHandler]: Unknown extern function rc_allocate_device [2022-11-26 00:40:14,352 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:40:14,353 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-11-26 00:40:14,357 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:40:14,358 WARN L623 FunctionHandler]: Unknown extern function rc_register_device [2022-11-26 00:40:14,359 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:40:14,359 WARN L623 FunctionHandler]: Unknown extern function rc_free_device [2022-11-26 00:40:14,360 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-11-26 00:40:14,365 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-11-26 00:40:14,365 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:40:14,365 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-11-26 00:40:14,367 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-11-26 00:40:14,367 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-11-26 00:40:14,368 WARN L623 FunctionHandler]: Unknown extern function input_set_abs_params [2022-11-26 00:40:14,369 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-11-26 00:40:14,369 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:40:14,370 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-11-26 00:40:14,379 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:14,380 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:14,382 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:14,383 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:14,384 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:14,385 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,386 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:40:14,387 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-11-26 00:40:14,387 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:40:14,388 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-11-26 00:40:14,388 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:40:14,388 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:40:14,389 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:40:14,389 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-11-26 00:40:14,392 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-11-26 00:40:14,393 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,393 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:40:14,394 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:40:14,394 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-11-26 00:40:14,395 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-26 00:40:14,395 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-26 00:40:14,395 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-26 00:40:14,395 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:40:14,396 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:40:14,399 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-11-26 00:40:14,399 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,400 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:40:14,401 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-11-26 00:40:14,402 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-11-26 00:40:14,402 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,403 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-11-26 00:40:14,403 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-26 00:40:14,404 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:40:14,407 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:14,407 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_group [2022-11-26 00:40:14,408 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:40:14,408 WARN L623 FunctionHandler]: Unknown extern function usb_register_dev [2022-11-26 00:40:14,409 WARN L623 FunctionHandler]: Unknown extern function usb_register_dev [2022-11-26 00:40:14,409 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:40:14,410 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-11-26 00:40:14,411 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:14,412 WARN L623 FunctionHandler]: Unknown extern function usb_ifnum_to_if [2022-11-26 00:40:14,413 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,414 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,415 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_group [2022-11-26 00:40:14,416 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:40:14,416 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:40:14,417 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:40:14,418 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_group [2022-11-26 00:40:14,419 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_group [2022-11-26 00:40:14,420 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-26 00:40:14,420 WARN L623 FunctionHandler]: Unknown extern function complete_all [2022-11-26 00:40:14,422 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-26 00:40:14,423 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-11-26 00:40:14,423 WARN L623 FunctionHandler]: Unknown extern function rc_unregister_device [2022-11-26 00:40:14,424 WARN L623 FunctionHandler]: Unknown extern function usb_deregister_dev [2022-11-26 00:40:14,424 WARN L623 FunctionHandler]: Unknown extern function usb_deregister_dev [2022-11-26 00:40:14,424 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-26 00:40:14,425 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-11-26 00:40:14,429 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:40:14,430 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-26 00:40:14,430 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-26 00:40:14,431 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-11-26 00:40:14,432 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-11-26 00:40:14,437 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:14,437 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:14,437 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:14,438 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:14,438 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:14,438 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:14,439 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:14,439 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:14,439 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:14,439 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:14,440 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:14,440 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:14,440 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:14,440 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:14,441 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:14,441 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:14,441 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:14,441 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:14,442 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:14,461 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-11-26 00:40:14,461 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-11-26 00:40:14,469 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:40:14,470 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:40:14,472 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_usb_register_driver [2022-11-26 00:40:14,476 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 00:40:14,479 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:40:14,482 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-26 00:40:14,482 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-11-26 00:40:14,483 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-26 00:40:14,497 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-26 00:40:14,497 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:40:14,498 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:40:14,512 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_c2fdd37f-e785-47b1-97f4-e09f2f982087/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284136,284149] [2022-11-26 00:40:14,512 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_c2fdd37f-e785-47b1-97f4-e09f2f982087/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284302,284315] [2022-11-26 00:40:14,513 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_c2fdd37f-e785-47b1-97f4-e09f2f982087/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284466,284479] [2022-11-26 00:40:14,514 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_c2fdd37f-e785-47b1-97f4-e09f2f982087/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284631,284644] [2022-11-26 00:40:14,516 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:14,517 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:14,517 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:14,518 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:14,518 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:40:14,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:40:14,646 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:40:14,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:14 WrapperNode [2022-11-26 00:40:14,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:40:14,648 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:40:14,648 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:40:14,648 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:40:14,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:14" (1/1) ... [2022-11-26 00:40:14,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:14" (1/1) ... [2022-11-26 00:40:14,970 INFO L138 Inliner]: procedures = 343, calls = 2850, calls flagged for inlining = 190, calls inlined = 160, statements flattened = 4919 [2022-11-26 00:40:14,970 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:40:14,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:40:14,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:40:14,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:40:14,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:14" (1/1) ... [2022-11-26 00:40:14,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:14" (1/1) ... [2022-11-26 00:40:15,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:14" (1/1) ... [2022-11-26 00:40:15,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:14" (1/1) ... [2022-11-26 00:40:15,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:14" (1/1) ... [2022-11-26 00:40:15,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:14" (1/1) ... [2022-11-26 00:40:15,219 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:14" (1/1) ... [2022-11-26 00:40:15,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:14" (1/1) ... [2022-11-26 00:40:15,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:40:15,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:40:15,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:40:15,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:40:15,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:14" (1/1) ... [2022-11-26 00:40:15,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:40:15,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fdd37f-e785-47b1-97f4-e09f2f982087/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:40:15,297 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fdd37f-e785-47b1-97f4-e09f2f982087/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:40:15,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fdd37f-e785-47b1-97f4-e09f2f982087/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:40:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-26 00:40:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-26 00:40:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-26 00:40:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-26 00:40:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-26 00:40:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-26 00:40:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-26 00:40:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-26 00:40:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-26 00:40:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-26 00:40:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-26 00:40:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-26 00:40:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-26 00:40:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2022-11-26 00:40:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2022-11-26 00:40:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-26 00:40:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-26 00:40:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-11-26 00:40:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-11-26 00:40:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 00:40:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 00:40:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2022-11-26 00:40:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2022-11-26 00:40:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-11-26 00:40:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-11-26 00:40:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure imon_disconnect [2022-11-26 00:40:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_disconnect [2022-11-26 00:40:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2022-11-26 00:40:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2022-11-26 00:40:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_imon_context [2022-11-26 00:40:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_imon_context [2022-11-26 00:40:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_5_4 [2022-11-26 00:40:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_5_4 [2022-11-26 00:40:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-11-26 00:40:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-11-26 00:40:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-26 00:40:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-26 00:40:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_driver_lock [2022-11-26 00:40:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_driver_lock [2022-11-26 00:40:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:40:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2022-11-26 00:40:15,349 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2022-11-26 00:40:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:40:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-26 00:40:15,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-26 00:40:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-26 00:40:15,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-26 00:40:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-26 00:40:15,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-26 00:40:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2022-11-26 00:40:15,351 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2022-11-26 00:40:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:40:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:40:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2022-11-26 00:40:15,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2022-11-26 00:40:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure imon_resume [2022-11-26 00:40:15,351 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_resume [2022-11-26 00:40:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-26 00:40:15,352 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-26 00:40:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-26 00:40:15,352 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-26 00:40:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-26 00:40:15,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-26 00:40:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2022-11-26 00:40:15,353 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2022-11-26 00:40:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2022-11-26 00:40:15,353 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2022-11-26 00:40:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-26 00:40:15,353 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-26 00:40:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-26 00:40:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-26 00:40:15,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-26 00:40:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-26 00:40:15,354 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-26 00:40:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2022-11-26 00:40:15,354 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2022-11-26 00:40:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-26 00:40:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-26 00:40:15,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-26 00:40:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2022-11-26 00:40:15,355 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2022-11-26 00:40:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-11-26 00:40:15,355 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-11-26 00:40:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:40:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-26 00:40:15,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-26 00:40:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-11-26 00:40:15,356 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-11-26 00:40:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-26 00:40:15,356 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-26 00:40:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-26 00:40:15,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-26 00:40:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-26 00:40:15,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-26 00:40:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-26 00:40:15,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-26 00:40:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-26 00:40:15,357 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-26 00:40:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-11-26 00:40:15,357 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-11-26 00:40:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-26 00:40:15,358 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-26 00:40:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-26 00:40:15,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-26 00:40:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:40:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2022-11-26 00:40:15,358 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2022-11-26 00:40:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2022-11-26 00:40:15,359 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2022-11-26 00:40:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2022-11-26 00:40:15,359 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2022-11-26 00:40:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-26 00:40:15,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-26 00:40:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:40:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-26 00:40:15,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-26 00:40:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2022-11-26 00:40:15,360 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2022-11-26 00:40:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_imon_context [2022-11-26 00:40:15,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_imon_context [2022-11-26 00:40:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-26 00:40:15,360 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-26 00:40:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:40:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-26 00:40:15,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-26 00:40:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:40:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2022-11-26 00:40:15,361 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2022-11-26 00:40:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-26 00:40:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure display_close [2022-11-26 00:40:15,362 INFO L138 BoogieDeclarations]: Found implementation of procedure display_close [2022-11-26 00:40:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-11-26 00:40:15,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-11-26 00:40:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-26 00:40:15,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-26 00:40:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2022-11-26 00:40:15,362 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2022-11-26 00:40:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-26 00:40:15,363 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-26 00:40:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-26 00:40:15,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-26 00:40:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_driver_lock [2022-11-26 00:40:15,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_driver_lock [2022-11-26 00:40:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2022-11-26 00:40:15,363 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2022-11-26 00:40:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2022-11-26 00:40:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2022-11-26 00:40:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure display_open [2022-11-26 00:40:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure display_open [2022-11-26 00:40:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:40:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-26 00:40:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-26 00:40:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-26 00:40:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-26 00:40:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:40:15,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:40:16,158 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:40:16,167 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:40:16,408 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-26 00:40:36,151 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-26 00:40:36,226 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:40:37,113 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:40:37,113 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-26 00:40:37,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:40:37 BoogieIcfgContainer [2022-11-26 00:40:37,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:40:37,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:40:37,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:40:37,128 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:40:37,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:40:11" (1/3) ... [2022-11-26 00:40:37,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@416bf529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:40:37, skipping insertion in model container [2022-11-26 00:40:37,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:14" (2/3) ... [2022-11-26 00:40:37,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@416bf529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:40:37, skipping insertion in model container [2022-11-26 00:40:37,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:40:37" (3/3) ... [2022-11-26 00:40:37,133 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i [2022-11-26 00:40:37,155 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:40:37,155 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-26 00:40:37,262 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:40:37,272 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;@549da41d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:40:37,272 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-26 00:40:37,283 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) [2022-11-26 00:40:37,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-26 00:40:37,321 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:40:37,322 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] [2022-11-26 00:40:37,322 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)] === [2022-11-26 00:40:37,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:40:37,330 INFO L85 PathProgramCache]: Analyzing trace with hash 820412862, now seen corresponding path program 1 times [2022-11-26 00:40:37,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:40:37,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413066787] [2022-11-26 00:40:37,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:40:37,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:40:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:40:38,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2022-11-26 00:40:38,491 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:40:38,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413066787] [2022-11-26 00:40:38,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413066787] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:40:38,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:40:38,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:40:38,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108869993] [2022-11-26 00:40:38,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:40:38,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:40:38,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:40:38,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:40:38,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:40:38,569 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) [2022-11-26 00:40:40,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:40:42,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:40:44,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:40:45,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:40:45,877 INFO L93 Difference]: Finished difference Result 3080 states and 4565 transitions. [2022-11-26 00:40:45,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:40:45,879 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 [2022-11-26 00:40:45,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:40:45,917 INFO L225 Difference]: With dead ends: 3080 [2022-11-26 00:40:45,917 INFO L226 Difference]: Without dead ends: 2020 [2022-11-26 00:40:45,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:40:45,938 INFO L413 NwaCegarLoop]: 1628 mSDtfsCounter, 1367 mSDsluCounter, 1309 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1367 SdHoareTripleChecker+Valid, 2937 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:40:45,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1367 Valid, 2937 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 458 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2022-11-26 00:40:45,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2020 states. [2022-11-26 00:40:46,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2020 to 2000. [2022-11-26 00:40:46,234 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) [2022-11-26 00:40:46,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 2000 states and 2865 transitions. [2022-11-26 00:40:46,253 INFO L78 Accepts]: Start accepts. Automaton has 2000 states and 2865 transitions. Word has length 208 [2022-11-26 00:40:46,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:40:46,254 INFO L495 AbstractCegarLoop]: Abstraction has 2000 states and 2865 transitions. [2022-11-26 00:40:46,255 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) [2022-11-26 00:40:46,255 INFO L276 IsEmpty]: Start isEmpty. Operand 2000 states and 2865 transitions. [2022-11-26 00:40:46,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-11-26 00:40:46,260 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:40:46,260 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] [2022-11-26 00:40:46,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:40:46,261 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)] === [2022-11-26 00:40:46,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:40:46,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1775176174, now seen corresponding path program 1 times [2022-11-26 00:40:46,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:40:46,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169287854] [2022-11-26 00:40:46,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:40:46,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:40:46,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:40:47,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2022-11-26 00:40:47,431 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:40:47,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169287854] [2022-11-26 00:40:47,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169287854] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:40:47,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:40:47,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 00:40:47,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312979228] [2022-11-26 00:40:47,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:40:47,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:40:47,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:40:47,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:40:47,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:40:47,435 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) [2022-11-26 00:40:52,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:40:57,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:41:02,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:41:02,326 INFO L93 Difference]: Finished difference Result 7437 states and 10608 transitions. [2022-11-26 00:41:02,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:41:02,327 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 [2022-11-26 00:41:02,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:41:02,365 INFO L225 Difference]: With dead ends: 7437 [2022-11-26 00:41:02,365 INFO L226 Difference]: Without dead ends: 5476 [2022-11-26 00:41:02,377 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 [2022-11-26 00:41:02,378 INFO L413 NwaCegarLoop]: 1962 mSDtfsCounter, 4989 mSDsluCounter, 1865 mSDsCounter, 0 mSdLazyCounter, 2222 mSolverCounterSat, 1407 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5174 SdHoareTripleChecker+Valid, 3827 SdHoareTripleChecker+Invalid, 3629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1407 IncrementalHoareTripleChecker+Valid, 2222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:41:02,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5174 Valid, 3827 Invalid, 3629 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1407 Valid, 2222 Invalid, 0 Unknown, 0 Unchecked, 14.3s Time] [2022-11-26 00:41:02,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5476 states. [2022-11-26 00:41:02,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5476 to 5432. [2022-11-26 00:41:02,750 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) [2022-11-26 00:41:02,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5432 states to 5432 states and 7733 transitions. [2022-11-26 00:41:02,787 INFO L78 Accepts]: Start accepts. Automaton has 5432 states and 7733 transitions. Word has length 209 [2022-11-26 00:41:02,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:41:02,790 INFO L495 AbstractCegarLoop]: Abstraction has 5432 states and 7733 transitions. [2022-11-26 00:41:02,790 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) [2022-11-26 00:41:02,791 INFO L276 IsEmpty]: Start isEmpty. Operand 5432 states and 7733 transitions. [2022-11-26 00:41:02,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-11-26 00:41:02,796 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:41:02,796 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, 1] [2022-11-26 00:41:02,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:41:02,797 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)] === [2022-11-26 00:41:02,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:41:02,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1730585112, now seen corresponding path program 1 times [2022-11-26 00:41:02,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:41:02,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770603684] [2022-11-26 00:41:02,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:41:02,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:41:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:41:03,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1409 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1409 trivial. 0 not checked. [2022-11-26 00:41:03,235 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:41:03,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770603684] [2022-11-26 00:41:03,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770603684] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:41:03,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:41:03,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:41:03,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475636421] [2022-11-26 00:41:03,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:41:03,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:41:03,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:41:03,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:41:03,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:41:03,241 INFO L87 Difference]: Start difference. First operand 5432 states and 7733 transitions. 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, (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) [2022-11-26 00:41:05,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:41:08,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:41:09,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:41:09,906 INFO L93 Difference]: Finished difference Result 11635 states and 16512 transitions. [2022-11-26 00:41:09,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:41:09,911 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, (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 215 [2022-11-26 00:41:09,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:41:09,957 INFO L225 Difference]: With dead ends: 11635 [2022-11-26 00:41:09,957 INFO L226 Difference]: Without dead ends: 6242 [2022-11-26 00:41:09,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:41:09,981 INFO L413 NwaCegarLoop]: 1534 mSDtfsCounter, 1079 mSDsluCounter, 1278 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1079 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, 6.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:41:09,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1079 Valid, 2812 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-11-26 00:41:09,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6242 states. [2022-11-26 00:41:10,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6242 to 6238. [2022-11-26 00:41:10,458 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) [2022-11-26 00:41:10,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6238 states to 6238 states and 8826 transitions. [2022-11-26 00:41:10,490 INFO L78 Accepts]: Start accepts. Automaton has 6238 states and 8826 transitions. Word has length 215 [2022-11-26 00:41:10,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:41:10,495 INFO L495 AbstractCegarLoop]: Abstraction has 6238 states and 8826 transitions. [2022-11-26 00:41:10,495 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, (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) [2022-11-26 00:41:10,496 INFO L276 IsEmpty]: Start isEmpty. Operand 6238 states and 8826 transitions. [2022-11-26 00:41:10,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-11-26 00:41:10,500 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:41:10,500 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] [2022-11-26 00:41:10,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:41:10,501 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)] === [2022-11-26 00:41:10,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:41:10,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1861949163, now seen corresponding path program 1 times [2022-11-26 00:41:10,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:41:10,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103214337] [2022-11-26 00:41:10,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:41:10,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:41:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:41:10,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2022-11-26 00:41:10,894 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:41:10,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103214337] [2022-11-26 00:41:10,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103214337] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:41:10,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:41:10,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:41:10,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843287601] [2022-11-26 00:41:10,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:41:10,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:41:10,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:41:10,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:41:10,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:41:10,897 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) [2022-11-26 00:41:12,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:41:16,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:41:17,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:41:17,997 INFO L93 Difference]: Finished difference Result 17527 states and 24779 transitions. [2022-11-26 00:41:17,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:41:17,998 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 [2022-11-26 00:41:17,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:41:18,090 INFO L225 Difference]: With dead ends: 17527 [2022-11-26 00:41:18,090 INFO L226 Difference]: Without dead ends: 11328 [2022-11-26 00:41:18,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:41:18,117 INFO L413 NwaCegarLoop]: 1622 mSDtfsCounter, 1380 mSDsluCounter, 1300 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s 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, 6.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:41:18,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1380 Valid, 2922 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-11-26 00:41:18,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11328 states. [2022-11-26 00:41:18,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11328 to 11298. [2022-11-26 00:41:18,954 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) [2022-11-26 00:41:19,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11298 states to 11298 states and 15945 transitions. [2022-11-26 00:41:19,008 INFO L78 Accepts]: Start accepts. Automaton has 11298 states and 15945 transitions. Word has length 213 [2022-11-26 00:41:19,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:41:19,010 INFO L495 AbstractCegarLoop]: Abstraction has 11298 states and 15945 transitions. [2022-11-26 00:41:19,011 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) [2022-11-26 00:41:19,011 INFO L276 IsEmpty]: Start isEmpty. Operand 11298 states and 15945 transitions. [2022-11-26 00:41:19,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-11-26 00:41:19,014 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:41:19,014 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] [2022-11-26 00:41:19,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:41:19,015 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)] === [2022-11-26 00:41:19,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:41:19,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1164986213, now seen corresponding path program 1 times [2022-11-26 00:41:19,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:41:19,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32658453] [2022-11-26 00:41:19,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:41:19,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:41:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:41:19,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2022-11-26 00:41:19,430 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:41:19,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32658453] [2022-11-26 00:41:19,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32658453] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:41:19,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:41:19,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:41:19,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501602235] [2022-11-26 00:41:19,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:41:19,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:41:19,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:41:19,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:41:19,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:41:19,435 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) [2022-11-26 00:41:22,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:41:23,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:41:27,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:41:27,483 INFO L93 Difference]: Finished difference Result 32413 states and 45631 transitions. [2022-11-26 00:41:27,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:41:27,483 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 [2022-11-26 00:41:27,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:41:27,590 INFO L225 Difference]: With dead ends: 32413 [2022-11-26 00:41:27,590 INFO L226 Difference]: Without dead ends: 21154 [2022-11-26 00:41:27,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:41:27,632 INFO L413 NwaCegarLoop]: 1716 mSDtfsCounter, 1369 mSDsluCounter, 1300 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s 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, 7.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:41:27,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1369 Valid, 3016 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2022-11-26 00:41:27,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21154 states. [2022-11-26 00:41:29,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21154 to 21124. [2022-11-26 00:41:29,127 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) [2022-11-26 00:41:29,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21124 states to 21124 states and 29648 transitions. [2022-11-26 00:41:29,226 INFO L78 Accepts]: Start accepts. Automaton has 21124 states and 29648 transitions. Word has length 214 [2022-11-26 00:41:29,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:41:29,227 INFO L495 AbstractCegarLoop]: Abstraction has 21124 states and 29648 transitions. [2022-11-26 00:41:29,227 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) [2022-11-26 00:41:29,227 INFO L276 IsEmpty]: Start isEmpty. Operand 21124 states and 29648 transitions. [2022-11-26 00:41:29,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-26 00:41:29,230 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:41:29,231 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] [2022-11-26 00:41:29,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:41:29,231 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)] === [2022-11-26 00:41:29,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:41:29,232 INFO L85 PathProgramCache]: Analyzing trace with hash 191798111, now seen corresponding path program 1 times [2022-11-26 00:41:29,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:41:29,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171570932] [2022-11-26 00:41:29,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:41:29,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:41:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:41:29,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2022-11-26 00:41:29,563 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:41:29,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171570932] [2022-11-26 00:41:29,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171570932] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:41:29,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:41:29,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:41:29,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292721512] [2022-11-26 00:41:29,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:41:29,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:41:29,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:41:29,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:41:29,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:41:29,566 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) [2022-11-26 00:41:32,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:41:34,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:41:37,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:41:37,508 INFO L93 Difference]: Finished difference Result 51933 states and 72678 transitions. [2022-11-26 00:41:37,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:41:37,509 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 [2022-11-26 00:41:37,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:41:37,657 INFO L225 Difference]: With dead ends: 51933 [2022-11-26 00:41:37,657 INFO L226 Difference]: Without dead ends: 30848 [2022-11-26 00:41:37,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:41:37,857 INFO L413 NwaCegarLoop]: 1504 mSDtfsCounter, 821 mSDsluCounter, 1288 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s 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, 6.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:41:37,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [821 Valid, 2792 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-11-26 00:41:37,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30848 states. [2022-11-26 00:41:39,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30848 to 30780. [2022-11-26 00:41:39,887 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) [2022-11-26 00:41:40,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30780 states to 30780 states and 42744 transitions. [2022-11-26 00:41:40,248 INFO L78 Accepts]: Start accepts. Automaton has 30780 states and 42744 transitions. Word has length 219 [2022-11-26 00:41:40,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:41:40,249 INFO L495 AbstractCegarLoop]: Abstraction has 30780 states and 42744 transitions. [2022-11-26 00:41:40,249 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) [2022-11-26 00:41:40,249 INFO L276 IsEmpty]: Start isEmpty. Operand 30780 states and 42744 transitions. [2022-11-26 00:41:40,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-11-26 00:41:40,255 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:41:40,255 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] [2022-11-26 00:41:40,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:41:40,256 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)] === [2022-11-26 00:41:40,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:41:40,257 INFO L85 PathProgramCache]: Analyzing trace with hash 155909857, now seen corresponding path program 1 times [2022-11-26 00:41:40,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:41:40,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825629510] [2022-11-26 00:41:40,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:41:40,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:41:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:41:40,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1449 trivial. 0 not checked. [2022-11-26 00:41:40,566 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:41:40,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825629510] [2022-11-26 00:41:40,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825629510] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:41:40,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:41:40,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:41:40,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319347835] [2022-11-26 00:41:40,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:41:40,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:41:40,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:41:40,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:41:40,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:41:40,569 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) [2022-11-26 00:41:44,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:41:46,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:41:49,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:41:49,083 INFO L93 Difference]: Finished difference Result 70376 states and 97450 transitions. [2022-11-26 00:41:49,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:41:49,084 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 [2022-11-26 00:41:49,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:41:49,273 INFO L225 Difference]: With dead ends: 70376 [2022-11-26 00:41:49,274 INFO L226 Difference]: Without dead ends: 39635 [2022-11-26 00:41:49,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:41:49,354 INFO L413 NwaCegarLoop]: 1911 mSDtfsCounter, 813 mSDsluCounter, 1308 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 813 SdHoareTripleChecker+Valid, 3219 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:41:49,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [813 Valid, 3219 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 533 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2022-11-26 00:41:49,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39635 states. [2022-11-26 00:41:52,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39635 to 39571. [2022-11-26 00:41:52,105 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) [2022-11-26 00:41:52,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39571 states to 39571 states and 54649 transitions. [2022-11-26 00:41:52,278 INFO L78 Accepts]: Start accepts. Automaton has 39571 states and 54649 transitions. Word has length 239 [2022-11-26 00:41:52,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:41:52,278 INFO L495 AbstractCegarLoop]: Abstraction has 39571 states and 54649 transitions. [2022-11-26 00:41:52,279 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) [2022-11-26 00:41:52,279 INFO L276 IsEmpty]: Start isEmpty. Operand 39571 states and 54649 transitions. [2022-11-26 00:41:52,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-26 00:41:52,283 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:41:52,283 INFO L195 NwaCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 5, 5, 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] [2022-11-26 00:41:52,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 00:41:52,284 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)] === [2022-11-26 00:41:52,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:41:52,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1639643637, now seen corresponding path program 1 times [2022-11-26 00:41:52,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:41:52,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471718170] [2022-11-26 00:41:52,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:41:52,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:41:52,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:41:53,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1566 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1566 trivial. 0 not checked. [2022-11-26 00:41:53,395 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:41:53,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471718170] [2022-11-26 00:41:53,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471718170] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:41:53,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:41:53,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:41:53,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69692466] [2022-11-26 00:41:53,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:41:53,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:41:53,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:41:53,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:41:53,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:41:53,398 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) [2022-11-26 00:41:57,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:42:00,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:42:01,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:42:03,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:42:06,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:42:06,482 INFO L93 Difference]: Finished difference Result 43205 states and 58440 transitions. [2022-11-26 00:42:06,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:42:06,483 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 258 [2022-11-26 00:42:06,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:42:06,634 INFO L225 Difference]: With dead ends: 43205 [2022-11-26 00:42:06,635 INFO L226 Difference]: Without dead ends: 43203 [2022-11-26 00:42:06,649 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 [2022-11-26 00:42:06,651 INFO L413 NwaCegarLoop]: 1333 mSDtfsCounter, 961 mSDsluCounter, 3187 mSDsCounter, 0 mSdLazyCounter, 751 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s 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, 10.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:42:06,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [965 Valid, 4520 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 751 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2022-11-26 00:42:06,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43203 states. [2022-11-26 00:42:08,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43203 to 43199. [2022-11-26 00:42:08,925 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) [2022-11-26 00:42:09,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43199 states to 43199 states and 58436 transitions. [2022-11-26 00:42:09,100 INFO L78 Accepts]: Start accepts. Automaton has 43199 states and 58436 transitions. Word has length 258 [2022-11-26 00:42:09,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:42:09,101 INFO L495 AbstractCegarLoop]: Abstraction has 43199 states and 58436 transitions. [2022-11-26 00:42:09,102 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) [2022-11-26 00:42:09,102 INFO L276 IsEmpty]: Start isEmpty. Operand 43199 states and 58436 transitions. [2022-11-26 00:42:09,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-11-26 00:42:09,106 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:42:09,107 INFO L195 NwaCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 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] [2022-11-26 00:42:09,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-26 00:42:09,108 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)] === [2022-11-26 00:42:09,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:42:09,108 INFO L85 PathProgramCache]: Analyzing trace with hash 877670080, now seen corresponding path program 1 times [2022-11-26 00:42:09,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:42:09,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018506080] [2022-11-26 00:42:09,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:42:09,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:42:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:42:10,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1561 trivial. 0 not checked. [2022-11-26 00:42:10,497 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:42:10,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018506080] [2022-11-26 00:42:10,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018506080] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:42:10,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:42:10,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:42:10,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289594320] [2022-11-26 00:42:10,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:42:10,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:42:10,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:42:10,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:42:10,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:42:10,500 INFO L87 Difference]: Start difference. First operand 43199 states and 58436 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-26 00:42:15,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:42:23,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:42:23,610 INFO L93 Difference]: Finished difference Result 86271 states and 116711 transitions. [2022-11-26 00:42:23,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:42:23,610 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 262 [2022-11-26 00:42:23,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:42:24,079 INFO L225 Difference]: With dead ends: 86271 [2022-11-26 00:42:24,079 INFO L226 Difference]: Without dead ends: 86269 [2022-11-26 00:42:24,108 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 [2022-11-26 00:42:24,109 INFO L413 NwaCegarLoop]: 1648 mSDtfsCounter, 1462 mSDsluCounter, 4543 mSDsCounter, 0 mSdLazyCounter, 869 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1465 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, 9.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:42:24,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1465 Valid, 6191 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 869 Invalid, 1 Unknown, 0 Unchecked, 9.5s Time] [2022-11-26 00:42:24,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86269 states. [2022-11-26 00:42:28,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86269 to 86263. [2022-11-26 00:42:29,027 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) [2022-11-26 00:42:29,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86263 states to 86263 states and 116706 transitions. [2022-11-26 00:42:29,301 INFO L78 Accepts]: Start accepts. Automaton has 86263 states and 116706 transitions. Word has length 262 [2022-11-26 00:42:29,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:42:29,302 INFO L495 AbstractCegarLoop]: Abstraction has 86263 states and 116706 transitions. [2022-11-26 00:42:29,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-26 00:42:29,302 INFO L276 IsEmpty]: Start isEmpty. Operand 86263 states and 116706 transitions. [2022-11-26 00:42:29,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-11-26 00:42:29,308 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:42:29,308 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] [2022-11-26 00:42:29,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-26 00:42:29,308 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)] === [2022-11-26 00:42:29,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:42:29,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1712709812, now seen corresponding path program 1 times [2022-11-26 00:42:29,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:42:29,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154631198] [2022-11-26 00:42:29,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:42:29,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:42:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:42:30,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1575 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1571 trivial. 0 not checked. [2022-11-26 00:42:30,748 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:42:30,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154631198] [2022-11-26 00:42:30,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154631198] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:42:30,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:42:30,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:42:30,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165090059] [2022-11-26 00:42:30,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:42:30,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:42:30,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:42:30,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:42:30,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:42:30,751 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) [2022-11-26 00:42:35,321 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 [] [2022-11-26 00:42:37,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:42:38,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:42:40,239 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 [] [2022-11-26 00:42:43,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:42:43,828 INFO L93 Difference]: Finished difference Result 86273 states and 116715 transitions. [2022-11-26 00:42:43,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:42:43,829 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 [2022-11-26 00:42:43,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:42:44,150 INFO L225 Difference]: With dead ends: 86273 [2022-11-26 00:42:44,150 INFO L226 Difference]: Without dead ends: 86271 [2022-11-26 00:42:44,400 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 [2022-11-26 00:42:44,401 INFO L413 NwaCegarLoop]: 1315 mSDtfsCounter, 1461 mSDsluCounter, 2618 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1463 SdHoareTripleChecker+Valid, 3933 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:42:44,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1463 Valid, 3933 Invalid, 655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 653 Invalid, 1 Unknown, 0 Unchecked, 9.3s Time] [2022-11-26 00:42:44,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86271 states. [2022-11-26 00:42:49,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86271 to 86271. [2022-11-26 00:42:49,687 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) [2022-11-26 00:42:50,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86271 states to 86271 states and 116712 transitions. [2022-11-26 00:42:50,328 INFO L78 Accepts]: Start accepts. Automaton has 86271 states and 116712 transitions. Word has length 269 [2022-11-26 00:42:50,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:42:50,329 INFO L495 AbstractCegarLoop]: Abstraction has 86271 states and 116712 transitions. [2022-11-26 00:42:50,330 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) [2022-11-26 00:42:50,330 INFO L276 IsEmpty]: Start isEmpty. Operand 86271 states and 116712 transitions. [2022-11-26 00:42:50,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-11-26 00:42:50,336 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:42:50,337 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] [2022-11-26 00:42:50,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-26 00:42:50,337 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)] === [2022-11-26 00:42:50,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:42:50,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1707066861, now seen corresponding path program 1 times [2022-11-26 00:42:50,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:42:50,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249895183] [2022-11-26 00:42:50,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:42:50,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:42:50,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:42:50,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1612 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1605 trivial. 0 not checked. [2022-11-26 00:42:50,665 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:42:50,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249895183] [2022-11-26 00:42:50,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249895183] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:42:50,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:42:50,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:42:50,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246098312] [2022-11-26 00:42:50,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:42:50,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:42:50,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:42:50,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:42:50,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:42:50,668 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) [2022-11-26 00:42:55,001 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 []