./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3773-c20e-43cf-94a5-c68db950fabf/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3773-c20e-43cf-94a5-c68db950fabf/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3773-c20e-43cf-94a5-c68db950fabf/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3773-c20e-43cf-94a5-c68db950fabf/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3773-c20e-43cf-94a5-c68db950fabf/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3773-c20e-43cf-94a5-c68db950fabf/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4c72fad0f4736d2d4eb53bca18880400af0864c4b127cd0e90e1329def3f1884 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 04:40:26,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 04:40:26,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 04:40:26,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 04:40:26,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 04:40:26,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 04:40:26,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 04:40:26,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 04:40:26,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 04:40:26,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 04:40:26,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 04:40:26,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 04:40:26,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 04:40:26,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 04:40:26,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 04:40:26,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 04:40:26,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 04:40:26,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 04:40:26,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 04:40:26,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 04:40:26,159 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 04:40:26,160 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 04:40:26,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 04:40:26,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 04:40:26,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 04:40:26,163 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 04:40:26,164 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 04:40:26,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 04:40:26,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 04:40:26,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 04:40:26,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 04:40:26,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 04:40:26,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 04:40:26,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 04:40:26,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 04:40:26,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 04:40:26,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 04:40:26,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 04:40:26,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 04:40:26,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 04:40:26,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 04:40:26,170 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3773-c20e-43cf-94a5-c68db950fabf/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 04:40:26,184 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 04:40:26,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 04:40:26,184 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 04:40:26,184 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 04:40:26,184 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 04:40:26,185 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 04:40:26,185 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 04:40:26,185 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 04:40:26,185 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 04:40:26,185 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 04:40:26,185 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 04:40:26,190 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 04:40:26,190 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 04:40:26,190 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 04:40:26,190 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 04:40:26,190 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 04:40:26,191 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 04:40:26,191 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 04:40:26,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 04:40:26,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 04:40:26,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 04:40:26,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 04:40:26,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 04:40:26,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 04:40:26,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 04:40:26,192 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 04:40:26,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 04:40:26,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 04:40:26,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 04:40:26,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:40:26,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 04:40:26,193 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 04:40:26,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 04:40:26,193 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 04:40:26,193 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 04:40:26,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 04:40:26,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 04:40:26,194 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 04:40:26,194 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_a0dd3773-c20e-43cf-94a5-c68db950fabf/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3773-c20e-43cf-94a5-c68db950fabf/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c72fad0f4736d2d4eb53bca18880400af0864c4b127cd0e90e1329def3f1884 [2022-12-14 04:40:26,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 04:40:26,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 04:40:26,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 04:40:26,377 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 04:40:26,377 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 04:40:26,379 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3773-c20e-43cf-94a5-c68db950fabf/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i [2022-12-14 04:40:29,021 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 04:40:29,355 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 04:40:29,355 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3773-c20e-43cf-94a5-c68db950fabf/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i [2022-12-14 04:40:29,381 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3773-c20e-43cf-94a5-c68db950fabf/bin/utaipan-gh47qXpMRh/data/98b826c4a/c54caa83049440c39df4caa03a68ead5/FLAG0b55bdff4 [2022-12-14 04:40:29,392 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3773-c20e-43cf-94a5-c68db950fabf/bin/utaipan-gh47qXpMRh/data/98b826c4a/c54caa83049440c39df4caa03a68ead5 [2022-12-14 04:40:29,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 04:40:29,395 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 04:40:29,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 04:40:29,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 04:40:29,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 04:40:29,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:40:29" (1/1) ... [2022-12-14 04:40:29,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ed09452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:40:29, skipping insertion in model container [2022-12-14 04:40:29,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:40:29" (1/1) ... [2022-12-14 04:40:29,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 04:40:29,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 04:40:29,938 WARN L623 FunctionHandler]: Unknown extern function devm_kmalloc [2022-12-14 04:40:30,048 WARN L623 FunctionHandler]: Unknown extern function __video_register_device [2022-12-14 04:40:30,072 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 04:40:30,125 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_is_singular [2022-12-14 04:40:30,304 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 04:40:30,305 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 04:40:30,307 WARN L623 FunctionHandler]: Unknown extern function si476x_core_is_a_secondary_tuner [2022-12-14 04:40:30,319 WARN L623 FunctionHandler]: Unknown extern function si476x_core_is_a_secondary_tuner [2022-12-14 04:40:30,319 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 04:40:30,320 WARN L623 FunctionHandler]: Unknown extern function si476x_core_has_am [2022-12-14 04:40:30,320 WARN L623 FunctionHandler]: Unknown extern function si476x_core_is_a_primary_tuner [2022-12-14 04:40:30,321 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 04:40:30,321 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 04:40:30,323 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 04:40:30,336 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 04:40:30,343 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 04:40:30,347 WARN L623 FunctionHandler]: Unknown extern function regcache_sync_region [2022-12-14 04:40:30,348 WARN L623 FunctionHandler]: Unknown extern function regcache_sync_region [2022-12-14 04:40:30,348 WARN L623 FunctionHandler]: Unknown extern function regcache_sync_region [2022-12-14 04:40:30,349 WARN L623 FunctionHandler]: Unknown extern function regcache_sync_region [2022-12-14 04:40:30,349 WARN L623 FunctionHandler]: Unknown extern function regcache_sync_region [2022-12-14 04:40:30,350 WARN L623 FunctionHandler]: Unknown extern function si476x_core_has_diversity [2022-12-14 04:40:30,350 WARN L623 FunctionHandler]: Unknown extern function si476x_core_cmd_fm_phase_diversity [2022-12-14 04:40:30,351 WARN L623 FunctionHandler]: Unknown extern function regcache_sync_region [2022-12-14 04:40:30,356 WARN L623 FunctionHandler]: Unknown extern function si476x_core_stop [2022-12-14 04:40:30,356 WARN L623 FunctionHandler]: Unknown extern function si476x_core_stop [2022-12-14 04:40:30,357 WARN L623 FunctionHandler]: Unknown extern function si476x_core_start [2022-12-14 04:40:30,368 WARN L623 FunctionHandler]: Unknown extern function si476x_core_has_am [2022-12-14 04:40:30,369 WARN L623 FunctionHandler]: Unknown extern function si476x_core_is_a_secondary_tuner [2022-12-14 04:40:30,375 WARN L623 FunctionHandler]: Unknown extern function regmap_read [2022-12-14 04:40:30,376 WARN L623 FunctionHandler]: Unknown extern function regmap_read [2022-12-14 04:40:30,377 WARN L623 FunctionHandler]: Unknown extern function si476x_core_has_am [2022-12-14 04:40:30,378 WARN L623 FunctionHandler]: Unknown extern function regmap_write [2022-12-14 04:40:30,379 WARN L623 FunctionHandler]: Unknown extern function regmap_write [2022-12-14 04:40:30,379 WARN L623 FunctionHandler]: Unknown extern function regmap_write [2022-12-14 04:40:30,382 WARN L623 FunctionHandler]: Unknown extern function si476x_core_has_diversity [2022-12-14 04:40:30,386 WARN L623 FunctionHandler]: Unknown extern function regmap_update_bits [2022-12-14 04:40:30,387 WARN L623 FunctionHandler]: Unknown extern function regmap_update_bits [2022-12-14 04:40:30,388 WARN L623 FunctionHandler]: Unknown extern function regmap_update_bits [2022-12-14 04:40:30,388 WARN L623 FunctionHandler]: Unknown extern function regmap_update_bits [2022-12-14 04:40:30,388 WARN L623 FunctionHandler]: Unknown extern function regmap_write [2022-12-14 04:40:30,389 WARN L623 FunctionHandler]: Unknown extern function regmap_write [2022-12-14 04:40:30,389 WARN L623 FunctionHandler]: Unknown extern function regmap_write [2022-12-14 04:40:30,390 WARN L623 FunctionHandler]: Unknown extern function si476x_core_is_in_am_receiver_mode [2022-12-14 04:40:30,391 WARN L623 FunctionHandler]: Unknown extern function regcache_cache_only [2022-12-14 04:40:30,391 WARN L623 FunctionHandler]: Unknown extern function regmap_write [2022-12-14 04:40:30,392 WARN L623 FunctionHandler]: Unknown extern function regmap_write [2022-12-14 04:40:30,393 WARN L623 FunctionHandler]: Unknown extern function si476x_core_cmd_fm_rds_status [2022-12-14 04:40:30,393 WARN L623 FunctionHandler]: Unknown extern function regmap_update_bits [2022-12-14 04:40:30,394 WARN L623 FunctionHandler]: Unknown extern function regmap_update_bits [2022-12-14 04:40:30,394 WARN L623 FunctionHandler]: Unknown extern function si476x_core_is_in_am_receiver_mode [2022-12-14 04:40:30,395 WARN L623 FunctionHandler]: Unknown extern function regcache_cache_only [2022-12-14 04:40:30,395 WARN L623 FunctionHandler]: Unknown extern function regmap_write [2022-12-14 04:40:30,397 WARN L623 FunctionHandler]: Unknown extern function si476x_core_is_in_am_receiver_mode [2022-12-14 04:40:30,404 WARN L623 FunctionHandler]: Unknown extern function regmap_read [2022-12-14 04:40:30,410 WARN L623 FunctionHandler]: Unknown extern function regmap_write [2022-12-14 04:40:30,415 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_open [2022-12-14 04:40:30,415 WARN L623 FunctionHandler]: Unknown extern function si476x_core_set_power_state [2022-12-14 04:40:30,416 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_setup [2022-12-14 04:40:30,416 WARN L623 FunctionHandler]: Unknown extern function si476x_core_set_power_state [2022-12-14 04:40:30,417 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_release [2022-12-14 04:40:30,421 WARN L623 FunctionHandler]: Unknown extern function si476x_core_set_power_state [2022-12-14 04:40:30,421 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_release [2022-12-14 04:40:30,427 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 04:40:30,428 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 04:40:30,428 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 04:40:30,430 WARN L623 FunctionHandler]: Unknown extern function __kfifo_to_user [2022-12-14 04:40:30,430 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 04:40:30,435 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_poll [2022-12-14 04:40:30,446 WARN L623 FunctionHandler]: Unknown extern function simple_read_from_buffer [2022-12-14 04:40:30,451 WARN L623 FunctionHandler]: Unknown extern function simple_read_from_buffer [2022-12-14 04:40:30,456 WARN L623 FunctionHandler]: Unknown extern function simple_read_from_buffer [2022-12-14 04:40:30,462 WARN L623 FunctionHandler]: Unknown extern function simple_read_from_buffer [2022-12-14 04:40:30,467 WARN L623 FunctionHandler]: Unknown extern function simple_read_from_buffer [2022-12-14 04:40:30,472 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-12-14 04:40:30,472 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-14 04:40:30,473 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-14 04:40:30,474 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-14 04:40:30,475 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-14 04:40:30,476 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-14 04:40:30,476 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-12-14 04:40:30,480 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_custom [2022-12-14 04:40:30,481 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 04:40:30,486 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_set_name [2022-12-14 04:40:30,486 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_register [2022-12-14 04:40:30,486 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 04:40:30,488 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_init_class [2022-12-14 04:40:30,489 WARN L623 FunctionHandler]: Unknown extern function si476x_core_has_am [2022-12-14 04:40:30,489 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std_menu [2022-12-14 04:40:30,489 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 04:40:30,490 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std_menu [2022-12-14 04:40:30,491 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 04:40:30,491 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 04:40:30,492 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 04:40:30,492 WARN L623 FunctionHandler]: Unknown extern function si476x_core_has_diversity [2022-12-14 04:40:30,493 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 04:40:30,493 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 04:40:30,494 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-12-14 04:40:30,498 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-12-14 04:40:30,498 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-12-14 04:40:30,498 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_unregister [2022-12-14 04:40:30,498 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-12-14 04:40:31,008 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_subscribe_event [2022-12-14 04:40:31,009 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_unsubscribe [2022-12-14 04:40:31,041 WARN L623 FunctionHandler]: Unknown extern function default_llseek [2022-12-14 04:40:31,042 WARN L623 FunctionHandler]: Unknown extern function default_llseek [2022-12-14 04:40:31,043 WARN L623 FunctionHandler]: Unknown extern function default_llseek [2022-12-14 04:40:31,043 WARN L623 FunctionHandler]: Unknown extern function default_llseek [2022-12-14 04:40:31,044 WARN L623 FunctionHandler]: Unknown extern function default_llseek [2022-12-14 04:40:31,044 WARN L623 FunctionHandler]: Unknown extern function default_llseek [2022-12-14 04:40:31,044 WARN L623 FunctionHandler]: Unknown extern function simple_open [2022-12-14 04:40:31,045 WARN L623 FunctionHandler]: Unknown extern function simple_open [2022-12-14 04:40:31,045 WARN L623 FunctionHandler]: Unknown extern function simple_open [2022-12-14 04:40:31,046 WARN L623 FunctionHandler]: Unknown extern function simple_open [2022-12-14 04:40:31,046 WARN L623 FunctionHandler]: Unknown extern function simple_open [2022-12-14 04:40:31,046 WARN L623 FunctionHandler]: Unknown extern function simple_open [2022-12-14 04:40:31,048 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-12-14 04:40:31,049 WARN L623 FunctionHandler]: Unknown extern function video_device_release_empty [2022-12-14 04:40:31,049 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-12-14 04:40:31,050 WARN L623 FunctionHandler]: Unknown extern function video_device_release_empty [2022-12-14 04:40:31,050 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-12-14 04:40:31,051 WARN L623 FunctionHandler]: Unknown extern function video_device_release_empty [2022-12-14 04:40:31,051 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-12-14 04:40:31,051 WARN L623 FunctionHandler]: Unknown extern function video_device_release_empty [2022-12-14 04:40:31,052 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-12-14 04:40:31,052 WARN L623 FunctionHandler]: Unknown extern function video_device_release_empty [2022-12-14 04:40:31,056 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 04:40:31,085 WARN L623 FunctionHandler]: Unknown extern function __platform_driver_register [2022-12-14 04:40:31,086 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-12-14 04:40:31,119 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 04:40:31,120 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 04:40:31,127 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:40:31,322 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_a0dd3773-c20e-43cf-94a5-c68db950fabf/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379788,379801] [2022-12-14 04:40:31,325 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_a0dd3773-c20e-43cf-94a5-c68db950fabf/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379954,379967] [2022-12-14 04:40:31,326 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_a0dd3773-c20e-43cf-94a5-c68db950fabf/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380118,380131] [2022-12-14 04:40:31,326 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_a0dd3773-c20e-43cf-94a5-c68db950fabf/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380283,380296] [2022-12-14 04:40:31,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:40:31,378 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 04:40:31,456 WARN L623 FunctionHandler]: Unknown extern function devm_kmalloc [2022-12-14 04:40:31,460 WARN L623 FunctionHandler]: Unknown extern function __video_register_device [2022-12-14 04:40:31,460 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 04:40:31,461 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_is_singular [2022-12-14 04:40:31,468 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 04:40:31,469 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 04:40:31,469 WARN L623 FunctionHandler]: Unknown extern function si476x_core_is_a_secondary_tuner [2022-12-14 04:40:31,473 WARN L623 FunctionHandler]: Unknown extern function si476x_core_is_a_secondary_tuner [2022-12-14 04:40:31,473 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 04:40:31,473 WARN L623 FunctionHandler]: Unknown extern function si476x_core_has_am [2022-12-14 04:40:31,473 WARN L623 FunctionHandler]: Unknown extern function si476x_core_is_a_primary_tuner [2022-12-14 04:40:31,474 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 04:40:31,474 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 04:40:31,475 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 04:40:31,477 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 04:40:31,479 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 04:40:31,480 WARN L623 FunctionHandler]: Unknown extern function regcache_sync_region [2022-12-14 04:40:31,480 WARN L623 FunctionHandler]: Unknown extern function regcache_sync_region [2022-12-14 04:40:31,480 WARN L623 FunctionHandler]: Unknown extern function regcache_sync_region [2022-12-14 04:40:31,480 WARN L623 FunctionHandler]: Unknown extern function regcache_sync_region [2022-12-14 04:40:31,481 WARN L623 FunctionHandler]: Unknown extern function regcache_sync_region [2022-12-14 04:40:31,481 WARN L623 FunctionHandler]: Unknown extern function si476x_core_has_diversity [2022-12-14 04:40:31,481 WARN L623 FunctionHandler]: Unknown extern function si476x_core_cmd_fm_phase_diversity [2022-12-14 04:40:31,481 WARN L623 FunctionHandler]: Unknown extern function regcache_sync_region [2022-12-14 04:40:31,482 WARN L623 FunctionHandler]: Unknown extern function si476x_core_stop [2022-12-14 04:40:31,482 WARN L623 FunctionHandler]: Unknown extern function si476x_core_stop [2022-12-14 04:40:31,483 WARN L623 FunctionHandler]: Unknown extern function si476x_core_start [2022-12-14 04:40:31,485 WARN L623 FunctionHandler]: Unknown extern function si476x_core_has_am [2022-12-14 04:40:31,486 WARN L623 FunctionHandler]: Unknown extern function si476x_core_is_a_secondary_tuner [2022-12-14 04:40:31,487 WARN L623 FunctionHandler]: Unknown extern function regmap_read [2022-12-14 04:40:31,488 WARN L623 FunctionHandler]: Unknown extern function regmap_read [2022-12-14 04:40:31,488 WARN L623 FunctionHandler]: Unknown extern function si476x_core_has_am [2022-12-14 04:40:31,489 WARN L623 FunctionHandler]: Unknown extern function regmap_write [2022-12-14 04:40:31,489 WARN L623 FunctionHandler]: Unknown extern function regmap_write [2022-12-14 04:40:31,490 WARN L623 FunctionHandler]: Unknown extern function regmap_write [2022-12-14 04:40:31,491 WARN L623 FunctionHandler]: Unknown extern function si476x_core_has_diversity [2022-12-14 04:40:31,493 WARN L623 FunctionHandler]: Unknown extern function regmap_update_bits [2022-12-14 04:40:31,493 WARN L623 FunctionHandler]: Unknown extern function regmap_update_bits [2022-12-14 04:40:31,493 WARN L623 FunctionHandler]: Unknown extern function regmap_update_bits [2022-12-14 04:40:31,494 WARN L623 FunctionHandler]: Unknown extern function regmap_update_bits [2022-12-14 04:40:31,494 WARN L623 FunctionHandler]: Unknown extern function regmap_write [2022-12-14 04:40:31,494 WARN L623 FunctionHandler]: Unknown extern function regmap_write [2022-12-14 04:40:31,494 WARN L623 FunctionHandler]: Unknown extern function regmap_write [2022-12-14 04:40:31,495 WARN L623 FunctionHandler]: Unknown extern function si476x_core_is_in_am_receiver_mode [2022-12-14 04:40:31,495 WARN L623 FunctionHandler]: Unknown extern function regcache_cache_only [2022-12-14 04:40:31,495 WARN L623 FunctionHandler]: Unknown extern function regmap_write [2022-12-14 04:40:31,495 WARN L623 FunctionHandler]: Unknown extern function regmap_write [2022-12-14 04:40:31,496 WARN L623 FunctionHandler]: Unknown extern function si476x_core_cmd_fm_rds_status [2022-12-14 04:40:31,496 WARN L623 FunctionHandler]: Unknown extern function regmap_update_bits [2022-12-14 04:40:31,496 WARN L623 FunctionHandler]: Unknown extern function regmap_update_bits [2022-12-14 04:40:31,496 WARN L623 FunctionHandler]: Unknown extern function si476x_core_is_in_am_receiver_mode [2022-12-14 04:40:31,496 WARN L623 FunctionHandler]: Unknown extern function regcache_cache_only [2022-12-14 04:40:31,497 WARN L623 FunctionHandler]: Unknown extern function regmap_write [2022-12-14 04:40:31,497 WARN L623 FunctionHandler]: Unknown extern function si476x_core_is_in_am_receiver_mode [2022-12-14 04:40:31,498 WARN L623 FunctionHandler]: Unknown extern function regmap_read [2022-12-14 04:40:31,499 WARN L623 FunctionHandler]: Unknown extern function regmap_write [2022-12-14 04:40:31,499 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_open [2022-12-14 04:40:31,500 WARN L623 FunctionHandler]: Unknown extern function si476x_core_set_power_state [2022-12-14 04:40:31,500 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_setup [2022-12-14 04:40:31,500 WARN L623 FunctionHandler]: Unknown extern function si476x_core_set_power_state [2022-12-14 04:40:31,501 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_release [2022-12-14 04:40:31,501 WARN L623 FunctionHandler]: Unknown extern function si476x_core_set_power_state [2022-12-14 04:40:31,501 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_release [2022-12-14 04:40:31,503 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 04:40:31,503 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 04:40:31,503 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 04:40:31,504 WARN L623 FunctionHandler]: Unknown extern function __kfifo_to_user [2022-12-14 04:40:31,505 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 04:40:31,505 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_poll [2022-12-14 04:40:31,509 WARN L623 FunctionHandler]: Unknown extern function simple_read_from_buffer [2022-12-14 04:40:31,510 WARN L623 FunctionHandler]: Unknown extern function simple_read_from_buffer [2022-12-14 04:40:31,511 WARN L623 FunctionHandler]: Unknown extern function simple_read_from_buffer [2022-12-14 04:40:31,512 WARN L623 FunctionHandler]: Unknown extern function simple_read_from_buffer [2022-12-14 04:40:31,513 WARN L623 FunctionHandler]: Unknown extern function simple_read_from_buffer [2022-12-14 04:40:31,514 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-12-14 04:40:31,514 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-14 04:40:31,515 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-14 04:40:31,515 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-14 04:40:31,516 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-14 04:40:31,516 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-14 04:40:31,517 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-12-14 04:40:31,517 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_custom [2022-12-14 04:40:31,517 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 04:40:31,518 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_set_name [2022-12-14 04:40:31,518 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_register [2022-12-14 04:40:31,518 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 04:40:31,523 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_init_class [2022-12-14 04:40:31,523 WARN L623 FunctionHandler]: Unknown extern function si476x_core_has_am [2022-12-14 04:40:31,523 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std_menu [2022-12-14 04:40:31,524 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 04:40:31,524 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std_menu [2022-12-14 04:40:31,525 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 04:40:31,525 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 04:40:31,525 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 04:40:31,525 WARN L623 FunctionHandler]: Unknown extern function si476x_core_has_diversity [2022-12-14 04:40:31,526 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 04:40:31,526 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 04:40:31,526 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-12-14 04:40:31,527 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-12-14 04:40:31,527 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-12-14 04:40:31,528 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_unregister [2022-12-14 04:40:31,528 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-12-14 04:40:31,537 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_subscribe_event [2022-12-14 04:40:31,538 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_unsubscribe [2022-12-14 04:40:31,553 WARN L623 FunctionHandler]: Unknown extern function default_llseek [2022-12-14 04:40:31,553 WARN L623 FunctionHandler]: Unknown extern function default_llseek [2022-12-14 04:40:31,553 WARN L623 FunctionHandler]: Unknown extern function default_llseek [2022-12-14 04:40:31,554 WARN L623 FunctionHandler]: Unknown extern function default_llseek [2022-12-14 04:40:31,554 WARN L623 FunctionHandler]: Unknown extern function default_llseek [2022-12-14 04:40:31,554 WARN L623 FunctionHandler]: Unknown extern function default_llseek [2022-12-14 04:40:31,555 WARN L623 FunctionHandler]: Unknown extern function simple_open [2022-12-14 04:40:31,555 WARN L623 FunctionHandler]: Unknown extern function simple_open [2022-12-14 04:40:31,555 WARN L623 FunctionHandler]: Unknown extern function simple_open [2022-12-14 04:40:31,555 WARN L623 FunctionHandler]: Unknown extern function simple_open [2022-12-14 04:40:31,555 WARN L623 FunctionHandler]: Unknown extern function simple_open [2022-12-14 04:40:31,556 WARN L623 FunctionHandler]: Unknown extern function simple_open [2022-12-14 04:40:31,557 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-12-14 04:40:31,557 WARN L623 FunctionHandler]: Unknown extern function video_device_release_empty [2022-12-14 04:40:31,558 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-12-14 04:40:31,558 WARN L623 FunctionHandler]: Unknown extern function video_device_release_empty [2022-12-14 04:40:31,558 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-12-14 04:40:31,558 WARN L623 FunctionHandler]: Unknown extern function video_device_release_empty [2022-12-14 04:40:31,559 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-12-14 04:40:31,559 WARN L623 FunctionHandler]: Unknown extern function video_device_release_empty [2022-12-14 04:40:31,559 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-12-14 04:40:31,559 WARN L623 FunctionHandler]: Unknown extern function video_device_release_empty [2022-12-14 04:40:31,561 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 04:40:31,600 WARN L623 FunctionHandler]: Unknown extern function __platform_driver_register [2022-12-14 04:40:31,601 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-12-14 04:40:31,602 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 04:40:31,603 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 04:40:31,603 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:40:31,610 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_a0dd3773-c20e-43cf-94a5-c68db950fabf/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379788,379801] [2022-12-14 04:40:31,611 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_a0dd3773-c20e-43cf-94a5-c68db950fabf/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379954,379967] [2022-12-14 04:40:31,611 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_a0dd3773-c20e-43cf-94a5-c68db950fabf/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380118,380131] [2022-12-14 04:40:31,611 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_a0dd3773-c20e-43cf-94a5-c68db950fabf/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380283,380296] [2022-12-14 04:40:31,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:40:31,685 INFO L208 MainTranslator]: Completed translation [2022-12-14 04:40:31,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:40:31 WrapperNode [2022-12-14 04:40:31,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 04:40:31,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 04:40:31,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 04:40:31,686 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 04:40:31,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:40:31" (1/1) ... [2022-12-14 04:40:31,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:40:31" (1/1) ... [2022-12-14 04:40:31,865 INFO L138 Inliner]: procedures = 413, calls = 2523, calls flagged for inlining = 243, calls inlined = 230, statements flattened = 7147 [2022-12-14 04:40:31,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 04:40:31,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 04:40:31,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 04:40:31,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 04:40:31,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:40:31" (1/1) ... [2022-12-14 04:40:31,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:40:31" (1/1) ... [2022-12-14 04:40:31,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:40:31" (1/1) ... [2022-12-14 04:40:31,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:40:31" (1/1) ... [2022-12-14 04:40:32,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:40:31" (1/1) ... [2022-12-14 04:40:32,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:40:31" (1/1) ... [2022-12-14 04:40:32,081 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:40:31" (1/1) ... [2022-12-14 04:40:32,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:40:31" (1/1) ... [2022-12-14 04:40:32,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 04:40:32,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 04:40:32,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 04:40:32,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 04:40:32,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:40:31" (1/1) ... [2022-12-14 04:40:32,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:40:32,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3773-c20e-43cf-94a5-c68db950fabf/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:40:32,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3773-c20e-43cf-94a5-c68db950fabf/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 04:40:32,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3773-c20e-43cf-94a5-c68db950fabf/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 04:40:32,177 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_has_diversity [2022-12-14 04:40:32,177 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_has_diversity [2022-12-14 04:40:32,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 04:40:32,177 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 04:40:32,177 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_acf_status [2022-12-14 04:40:32,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 04:40:32,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 04:40:32,177 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_s_ctrl [2022-12-14 04:40:32,177 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_s_ctrl [2022-12-14 04:40:32,177 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-12-14 04:40:32,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-12-14 04:40:32,178 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_probe [2022-12-14 04:40:32,178 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_probe [2022-12-14 04:40:32,178 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_am_acf_status [2022-12-14 04:40:32,178 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_phase_div_status [2022-12-14 04:40:32,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 04:40:32,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 04:40:32,178 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2022-12-14 04:40:32,178 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2022-12-14 04:40:32,178 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-14 04:40:32,178 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-14 04:40:32,178 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_lock [2022-12-14 04:40:32,178 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_lock [2022-12-14 04:40:32,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 04:40:32,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 04:40:32,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-12-14 04:40:32,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-12-14 04:40:32,179 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_read_acf_blob [2022-12-14 04:40:32,179 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_read_acf_blob [2022-12-14 04:40:32,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 04:40:32,179 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_rsq_status [2022-12-14 04:40:32,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 04:40:32,179 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2022-12-14 04:40:32,179 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2022-12-14 04:40:32,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 04:40:32,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 04:40:32,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 04:40:32,179 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_remove [2022-12-14 04:40:32,179 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_remove [2022-12-14 04:40:32,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 04:40:32,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-14 04:40:32,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-14 04:40:32,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 04:40:32,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 04:40:32,180 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-12-14 04:40:32,180 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-12-14 04:40:32,180 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_has_am [2022-12-14 04:40:32,180 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_has_am [2022-12-14 04:40:32,180 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_fops_read [2022-12-14 04:40:32,180 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_fops_read [2022-12-14 04:40:32,180 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2022-12-14 04:40:32,180 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2022-12-14 04:40:32,180 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_s_tuner [2022-12-14 04:40:32,180 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_s_tuner [2022-12-14 04:40:32,180 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_change_func [2022-12-14 04:40:32,180 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_change_func [2022-12-14 04:40:32,180 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_s_frequency [2022-12-14 04:40:32,180 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_s_frequency [2022-12-14 04:40:32,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 04:40:32,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-12-14 04:40:32,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-12-14 04:40:32,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-14 04:40:32,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-14 04:40:32,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-12-14 04:40:32,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-12-14 04:40:32,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-12-14 04:40:32,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-12-14 04:40:32,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-12-14 04:40:32,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-12-14 04:40:32,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_6 [2022-12-14 04:40:32,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_6 [2022-12-14 04:40:32,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 04:40:32,181 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_to_v4l2 [2022-12-14 04:40:32,181 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_to_v4l2 [2022-12-14 04:40:32,181 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_querycap [2022-12-14 04:40:32,181 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_querycap [2022-12-14 04:40:32,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 04:40:32,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 04:40:32,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 04:40:32,181 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 04:40:32,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 04:40:32,182 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 04:40:32,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 04:40:32,182 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_s_register [2022-12-14 04:40:32,182 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_s_register [2022-12-14 04:40:32,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cmd_lock_of_si476x_core [2022-12-14 04:40:32,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cmd_lock_of_si476x_core [2022-12-14 04:40:32,182 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_am_seek_start [2022-12-14 04:40:32,182 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_agc_status [2022-12-14 04:40:32,182 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_g_frequency [2022-12-14 04:40:32,182 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_g_frequency [2022-12-14 04:40:32,182 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2022-12-14 04:40:32,182 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2022-12-14 04:40:32,182 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_fops_open [2022-12-14 04:40:32,182 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_fops_open [2022-12-14 04:40:32,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 04:40:32,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 04:40:32,182 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_add_new_custom [2022-12-14 04:40:32,183 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_add_new_custom [2022-12-14 04:40:32,183 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 04:40:32,183 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 04:40:32,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 04:40:32,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 04:40:32,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 04:40:32,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 04:40:32,183 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_am_tune_freq [2022-12-14 04:40:32,183 INFO L130 BoogieDeclarations]: Found specification of procedure regmap_read [2022-12-14 04:40:32,183 INFO L138 BoogieDeclarations]: Found implementation of procedure regmap_read [2022-12-14 04:40:32,183 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_is_in_am_receiver_mode [2022-12-14 04:40:32,183 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_is_in_am_receiver_mode [2022-12-14 04:40:32,184 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_to_radio [2022-12-14 04:40:32,184 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_to_radio [2022-12-14 04:40:32,184 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-14 04:40:32,184 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-14 04:40:32,184 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_read_rds_blckcnt_blob [2022-12-14 04:40:32,184 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_read_rds_blckcnt_blob [2022-12-14 04:40:32,184 INFO L130 BoogieDeclarations]: Found specification of procedure regmap_update_bits [2022-12-14 04:40:32,184 INFO L138 BoogieDeclarations]: Found implementation of procedure regmap_update_bits [2022-12-14 04:40:32,184 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_enum_freq_bands [2022-12-14 04:40:32,184 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_enum_freq_bands [2022-12-14 04:40:32,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-12-14 04:40:32,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-12-14 04:40:32,185 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2022-12-14 04:40:32,185 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2022-12-14 04:40:32,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 04:40:32,185 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_rds_blockcount [2022-12-14 04:40:32,185 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_g_register [2022-12-14 04:40:32,185 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_g_register [2022-12-14 04:40:32,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 04:40:32,185 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_phase_diversity [2022-12-14 04:40:32,185 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_cmd_fm_phase_diversity [2022-12-14 04:40:32,185 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-12-14 04:40:32,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-12-14 04:40:32,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 04:40:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_to_si476x [2022-12-14 04:40:32,186 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_to_si476x [2022-12-14 04:40:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_do_post_powerup_init [2022-12-14 04:40:32,186 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_do_post_powerup_init [2022-12-14 04:40:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure regmap_write [2022-12-14 04:40:32,186 INFO L138 BoogieDeclarations]: Found implementation of procedure regmap_write [2022-12-14 04:40:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_seek_start [2022-12-14 04:40:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2022-12-14 04:40:32,186 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2022-12-14 04:40:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 04:40:32,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 04:40:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release_empty [2022-12-14 04:40:32,187 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release_empty [2022-12-14 04:40:32,187 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_read_rsq_blob [2022-12-14 04:40:32,187 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_read_rsq_blob [2022-12-14 04:40:32,187 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_range_is_inside_of_the_band [2022-12-14 04:40:32,187 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_range_is_inside_of_the_band [2022-12-14 04:40:32,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-14 04:40:32,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-14 04:40:32,187 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_set_power_state [2022-12-14 04:40:32,187 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_set_power_state [2022-12-14 04:40:32,187 INFO L130 BoogieDeclarations]: Found specification of procedure regcache_cache_only [2022-12-14 04:40:32,187 INFO L138 BoogieDeclarations]: Found implementation of procedure regcache_cache_only [2022-12-14 04:40:32,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-14 04:40:32,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-14 04:40:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-12-14 04:40:32,188 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-12-14 04:40:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_fops_release [2022-12-14 04:40:32,188 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_fops_release [2022-12-14 04:40:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 04:40:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_s_hw_freq_seek [2022-12-14 04:40:32,188 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_s_hw_freq_seek [2022-12-14 04:40:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_read_rsq_primary_blob [2022-12-14 04:40:32,188 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_read_rsq_primary_blob [2022-12-14 04:40:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_read_agc_blob [2022-12-14 04:40:32,188 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_read_agc_blob [2022-12-14 04:40:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 04:40:32,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 04:40:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std_menu [2022-12-14 04:40:32,189 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std_menu [2022-12-14 04:40:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_g_tuner [2022-12-14 04:40:32,189 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_g_tuner [2022-12-14 04:40:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_stop [2022-12-14 04:40:32,189 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_stop [2022-12-14 04:40:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_fops_poll [2022-12-14 04:40:32,189 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_fops_poll [2022-12-14 04:40:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_tune_freq [2022-12-14 04:40:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_si476x_radio_driver_exit_17_2 [2022-12-14 04:40:32,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_si476x_radio_driver_exit_17_2 [2022-12-14 04:40:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_is_a_secondary_tuner [2022-12-14 04:40:32,189 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_is_a_secondary_tuner [2022-12-14 04:40:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-12-14 04:40:32,189 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-12-14 04:40:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-14 04:40:32,190 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-14 04:40:32,190 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_is_singular_file [2022-12-14 04:40:32,190 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_is_singular_file [2022-12-14 04:40:32,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 04:40:32,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 04:40:32,190 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_unlock [2022-12-14 04:40:32,190 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_unlock [2022-12-14 04:40:32,190 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_release [2022-12-14 04:40:32,190 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_release [2022-12-14 04:40:32,190 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 04:40:32,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 04:40:32,190 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-12-14 04:40:32,190 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-12-14 04:40:32,190 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_g_volatile_ctrl [2022-12-14 04:40:32,190 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_g_volatile_ctrl [2022-12-14 04:40:32,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 04:40:32,190 INFO L130 BoogieDeclarations]: Found specification of procedure regcache_sync_region [2022-12-14 04:40:32,190 INFO L138 BoogieDeclarations]: Found implementation of procedure regcache_sync_region [2022-12-14 04:40:32,190 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_am_rsq_status [2022-12-14 04:40:32,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 04:40:32,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 04:40:32,878 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 04:40:32,881 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 04:40:33,028 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 04:40:37,208 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-14 04:40:37,288 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 04:40:38,165 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 04:40:38,165 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 04:40:38,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:40:38 BoogieIcfgContainer [2022-12-14 04:40:38,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 04:40:38,173 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 04:40:38,173 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 04:40:38,176 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 04:40:38,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:40:29" (1/3) ... [2022-12-14 04:40:38,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e557d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:40:38, skipping insertion in model container [2022-12-14 04:40:38,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:40:31" (2/3) ... [2022-12-14 04:40:38,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e557d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:40:38, skipping insertion in model container [2022-12-14 04:40:38,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:40:38" (3/3) ... [2022-12-14 04:40:38,179 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i [2022-12-14 04:40:38,198 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 04:40:38,198 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-14 04:40:38,285 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 04:40:38,291 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;@5184c290, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 04:40:38,291 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-14 04:40:38,302 INFO L276 IsEmpty]: Start isEmpty. Operand has 2090 states, 1293 states have (on average 1.3549883990719258) internal successors, (1752), 1296 states have internal predecessors, (1752), 704 states have call successors, (704), 91 states have call predecessors, (704), 90 states have return successors, (693), 693 states have call predecessors, (693), 693 states have call successors, (693) [2022-12-14 04:40:38,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 726 [2022-12-14 04:40:38,348 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:40:38,349 INFO L195 NwaCegarLoop]: trace histogram [71, 70, 70, 70, 70, 70, 70, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:40:38,350 INFO L420 AbstractCegarLoop]: === Iteration 1 === 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_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 04:40:38,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:40:38,355 INFO L85 PathProgramCache]: Analyzing trace with hash -945792668, now seen corresponding path program 1 times [2022-12-14 04:40:38,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:40:38,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326683695] [2022-12-14 04:40:38,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:40:38,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:40:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:40:39,492 INFO L134 CoverageAnalysis]: Checked inductivity of 19463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19463 trivial. 0 not checked. [2022-12-14 04:40:39,492 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:40:39,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326683695] [2022-12-14 04:40:39,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326683695] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:40:39,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:40:39,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:40:39,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018029213] [2022-12-14 04:40:39,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:40:39,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:40:39,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:40:39,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:40:39,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:40:39,531 INFO L87 Difference]: Start difference. First operand has 2090 states, 1293 states have (on average 1.3549883990719258) internal successors, (1752), 1296 states have internal predecessors, (1752), 704 states have call successors, (704), 91 states have call predecessors, (704), 90 states have return successors, (693), 693 states have call predecessors, (693), 693 states have call successors, (693) Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) [2022-12-14 04:40:41,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:40:43,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:40:45,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:40:47,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:40:47,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:40:47,626 INFO L93 Difference]: Finished difference Result 5894 states and 9121 transitions. [2022-12-14 04:40:47,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:40:47,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) Word has length 725 [2022-12-14 04:40:47,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:40:47,665 INFO L225 Difference]: With dead ends: 5894 [2022-12-14 04:40:47,665 INFO L226 Difference]: Without dead ends: 3930 [2022-12-14 04:40:47,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:40:47,683 INFO L413 NwaCegarLoop]: 3300 mSDtfsCounter, 2838 mSDsluCounter, 2662 mSDsCounter, 0 mSdLazyCounter, 894 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2838 SdHoareTripleChecker+Valid, 5962 SdHoareTripleChecker+Invalid, 907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-12-14 04:40:47,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2838 Valid, 5962 Invalid, 907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 894 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2022-12-14 04:40:47,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3930 states. [2022-12-14 04:40:47,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3930 to 3926. [2022-12-14 04:40:47,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3926 states, 2462 states have (on average 1.3570268074735987) internal successors, (3341), 2467 states have internal predecessors, (3341), 1285 states have call successors, (1285), 177 states have call predecessors, (1285), 176 states have return successors, (1281), 1281 states have call predecessors, (1281), 1281 states have call successors, (1281) [2022-12-14 04:40:47,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3926 states to 3926 states and 5907 transitions. [2022-12-14 04:40:47,962 INFO L78 Accepts]: Start accepts. Automaton has 3926 states and 5907 transitions. Word has length 725 [2022-12-14 04:40:47,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:40:47,963 INFO L495 AbstractCegarLoop]: Abstraction has 3926 states and 5907 transitions. [2022-12-14 04:40:47,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) [2022-12-14 04:40:47,964 INFO L276 IsEmpty]: Start isEmpty. Operand 3926 states and 5907 transitions. [2022-12-14 04:40:47,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 733 [2022-12-14 04:40:47,982 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:40:47,982 INFO L195 NwaCegarLoop]: trace histogram [71, 70, 70, 70, 70, 70, 70, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:40:47,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 04:40:47,983 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_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 04:40:47,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:40:47,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1172975276, now seen corresponding path program 1 times [2022-12-14 04:40:47,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:40:47,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463866845] [2022-12-14 04:40:47,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:40:47,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:40:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:40:48,720 INFO L134 CoverageAnalysis]: Checked inductivity of 19460 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19460 trivial. 0 not checked. [2022-12-14 04:40:48,720 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:40:48,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463866845] [2022-12-14 04:40:48,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463866845] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:40:48,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:40:48,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:40:48,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456898685] [2022-12-14 04:40:48,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:40:48,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:40:48,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:40:48,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:40:48,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:40:48,723 INFO L87 Difference]: Start difference. First operand 3926 states and 5907 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (73), 3 states have call predecessors, (73), 3 states have call successors, (73) [2022-12-14 04:40:50,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:40:52,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:40:54,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:40:56,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:40:56,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:40:56,396 INFO L93 Difference]: Finished difference Result 9610 states and 14460 transitions. [2022-12-14 04:40:56,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:40:56,396 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (73), 3 states have call predecessors, (73), 3 states have call successors, (73) Word has length 732 [2022-12-14 04:40:56,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:40:56,433 INFO L225 Difference]: With dead ends: 9610 [2022-12-14 04:40:56,433 INFO L226 Difference]: Without dead ends: 5825 [2022-12-14 04:40:56,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:40:56,452 INFO L413 NwaCegarLoop]: 3301 mSDtfsCounter, 2853 mSDsluCounter, 2668 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2853 SdHoareTripleChecker+Valid, 5969 SdHoareTripleChecker+Invalid, 882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-12-14 04:40:56,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2853 Valid, 5969 Invalid, 882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 875 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-12-14 04:40:56,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5825 states. [2022-12-14 04:40:56,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5825 to 5805. [2022-12-14 04:40:56,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5805 states, 3646 states have (on average 1.3590235874931431) internal successors, (4955), 3656 states have internal predecessors, (4955), 1891 states have call successors, (1891), 266 states have call predecessors, (1891), 265 states have return successors, (1887), 1882 states have call predecessors, (1887), 1887 states have call successors, (1887) [2022-12-14 04:40:56,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5805 states to 5805 states and 8733 transitions. [2022-12-14 04:40:56,678 INFO L78 Accepts]: Start accepts. Automaton has 5805 states and 8733 transitions. Word has length 732 [2022-12-14 04:40:56,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:40:56,679 INFO L495 AbstractCegarLoop]: Abstraction has 5805 states and 8733 transitions. [2022-12-14 04:40:56,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (73), 3 states have call predecessors, (73), 3 states have call successors, (73) [2022-12-14 04:40:56,680 INFO L276 IsEmpty]: Start isEmpty. Operand 5805 states and 8733 transitions. [2022-12-14 04:40:56,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 742 [2022-12-14 04:40:56,688 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:40:56,688 INFO L195 NwaCegarLoop]: trace histogram [71, 70, 70, 70, 70, 70, 70, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:40:56,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 04:40:56,688 INFO L420 AbstractCegarLoop]: === Iteration 3 === 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_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 04:40:56,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:40:56,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1593324964, now seen corresponding path program 1 times [2022-12-14 04:40:56,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:40:56,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126498298] [2022-12-14 04:40:56,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:40:56,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:40:56,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:40:57,204 INFO L134 CoverageAnalysis]: Checked inductivity of 19460 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19460 trivial. 0 not checked. [2022-12-14 04:40:57,204 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:40:57,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126498298] [2022-12-14 04:40:57,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126498298] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:40:57,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:40:57,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:40:57,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726486066] [2022-12-14 04:40:57,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:40:57,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:40:57,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:40:57,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:40:57,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:40:57,206 INFO L87 Difference]: Start difference. First operand 5805 states and 8733 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (78), 2 states have call predecessors, (78), 1 states have return successors, (73), 3 states have call predecessors, (73), 3 states have call successors, (73) [2022-12-14 04:40:59,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:41:00,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:41:02,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:41:04,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:41:04,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:41:04,845 INFO L93 Difference]: Finished difference Result 16541 states and 24900 transitions. [2022-12-14 04:41:04,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:41:04,846 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (78), 2 states have call predecessors, (78), 1 states have return successors, (73), 3 states have call predecessors, (73), 3 states have call successors, (73) Word has length 741 [2022-12-14 04:41:04,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:41:04,885 INFO L225 Difference]: With dead ends: 16541 [2022-12-14 04:41:04,885 INFO L226 Difference]: Without dead ends: 10877 [2022-12-14 04:41:04,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:41:04,899 INFO L413 NwaCegarLoop]: 3378 mSDtfsCounter, 2673 mSDsluCounter, 2624 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2673 SdHoareTripleChecker+Valid, 6002 SdHoareTripleChecker+Invalid, 1002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-12-14 04:41:04,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2673 Valid, 6002 Invalid, 1002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 973 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-12-14 04:41:04,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10877 states. [2022-12-14 04:41:05,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10877 to 10853. [2022-12-14 04:41:05,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10853 states, 6800 states have (on average 1.3516176470588235) internal successors, (9191), 6824 states have internal predecessors, (9191), 3541 states have call successors, (3541), 510 states have call predecessors, (3541), 509 states have return successors, (3537), 3518 states have call predecessors, (3537), 3537 states have call successors, (3537) [2022-12-14 04:41:05,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10853 states to 10853 states and 16269 transitions. [2022-12-14 04:41:05,316 INFO L78 Accepts]: Start accepts. Automaton has 10853 states and 16269 transitions. Word has length 741 [2022-12-14 04:41:05,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:41:05,317 INFO L495 AbstractCegarLoop]: Abstraction has 10853 states and 16269 transitions. [2022-12-14 04:41:05,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (78), 2 states have call predecessors, (78), 1 states have return successors, (73), 3 states have call predecessors, (73), 3 states have call successors, (73) [2022-12-14 04:41:05,317 INFO L276 IsEmpty]: Start isEmpty. Operand 10853 states and 16269 transitions. [2022-12-14 04:41:05,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 752 [2022-12-14 04:41:05,327 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:41:05,328 INFO L195 NwaCegarLoop]: trace histogram [72, 71, 71, 71, 71, 71, 71, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:41:05,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 04:41:05,328 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_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 04:41:05,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:41:05,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1386458255, now seen corresponding path program 1 times [2022-12-14 04:41:05,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:41:05,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631354287] [2022-12-14 04:41:05,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:41:05,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:41:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:41:05,766 INFO L134 CoverageAnalysis]: Checked inductivity of 20022 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20022 trivial. 0 not checked. [2022-12-14 04:41:05,767 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:41:05,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631354287] [2022-12-14 04:41:05,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631354287] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:41:05,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:41:05,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:41:05,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518987824] [2022-12-14 04:41:05,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:41:05,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:41:05,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:41:05,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:41:05,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:41:05,770 INFO L87 Difference]: Start difference. First operand 10853 states and 16269 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (79), 2 states have call predecessors, (79), 1 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) [2022-12-14 04:41:09,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:41:10,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:41:12,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:41:14,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:41:15,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:41:16,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:41:16,300 INFO L93 Difference]: Finished difference Result 28502 states and 42681 transitions. [2022-12-14 04:41:16,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:41:16,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (79), 2 states have call predecessors, (79), 1 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) Word has length 751 [2022-12-14 04:41:16,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:41:16,373 INFO L225 Difference]: With dead ends: 28502 [2022-12-14 04:41:16,373 INFO L226 Difference]: Without dead ends: 17790 [2022-12-14 04:41:16,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:41:16,396 INFO L413 NwaCegarLoop]: 3490 mSDtfsCounter, 2781 mSDsluCounter, 2657 mSDsCounter, 0 mSdLazyCounter, 907 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2781 SdHoareTripleChecker+Valid, 6147 SdHoareTripleChecker+Invalid, 914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-12-14 04:41:16,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2781 Valid, 6147 Invalid, 914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 907 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2022-12-14 04:41:16,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17790 states. [2022-12-14 04:41:16,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17790 to 17764. [2022-12-14 04:41:16,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17764 states, 11106 states have (on average 1.3477399603817757) internal successors, (14968), 11158 states have internal predecessors, (14968), 5801 states have call successors, (5801), 855 states have call predecessors, (5801), 854 states have return successors, (5797), 5750 states have call predecessors, (5797), 5797 states have call successors, (5797) [2022-12-14 04:41:17,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17764 states to 17764 states and 26566 transitions. [2022-12-14 04:41:17,018 INFO L78 Accepts]: Start accepts. Automaton has 17764 states and 26566 transitions. Word has length 751 [2022-12-14 04:41:17,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:41:17,019 INFO L495 AbstractCegarLoop]: Abstraction has 17764 states and 26566 transitions. [2022-12-14 04:41:17,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (79), 2 states have call predecessors, (79), 1 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) [2022-12-14 04:41:17,020 INFO L276 IsEmpty]: Start isEmpty. Operand 17764 states and 26566 transitions. [2022-12-14 04:41:17,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 766 [2022-12-14 04:41:17,030 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:41:17,030 INFO L195 NwaCegarLoop]: trace histogram [71, 70, 70, 70, 70, 70, 70, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:41:17,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 04:41:17,030 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_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 04:41:17,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:41:17,031 INFO L85 PathProgramCache]: Analyzing trace with hash -524198549, now seen corresponding path program 1 times [2022-12-14 04:41:17,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:41:17,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756583581] [2022-12-14 04:41:17,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:41:17,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:41:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:41:17,434 INFO L134 CoverageAnalysis]: Checked inductivity of 19487 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19487 trivial. 0 not checked. [2022-12-14 04:41:17,434 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:41:17,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756583581] [2022-12-14 04:41:17,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756583581] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:41:17,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:41:17,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:41:17,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586498263] [2022-12-14 04:41:17,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:41:17,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:41:17,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:41:17,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:41:17,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:41:17,438 INFO L87 Difference]: Start difference. First operand 17764 states and 26566 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (81), 2 states have call predecessors, (81), 1 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) [2022-12-14 04:41:19,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:41:21,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:41:23,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:41:23,033 INFO L93 Difference]: Finished difference Result 49141 states and 73456 transitions. [2022-12-14 04:41:23,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:41:23,034 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (81), 2 states have call predecessors, (81), 1 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) Word has length 765 [2022-12-14 04:41:23,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:41:23,133 INFO L225 Difference]: With dead ends: 49141 [2022-12-14 04:41:23,133 INFO L226 Difference]: Without dead ends: 31518 [2022-12-14 04:41:23,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:41:23,175 INFO L413 NwaCegarLoop]: 3335 mSDtfsCounter, 2785 mSDsluCounter, 2652 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2785 SdHoareTripleChecker+Valid, 5987 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-12-14 04:41:23,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2785 Valid, 5987 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-12-14 04:41:23,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31518 states. [2022-12-14 04:41:24,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31518 to 31484. [2022-12-14 04:41:24,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31484 states, 19760 states have (on average 1.3477732793522268) internal successors, (26632), 19876 states have internal predecessors, (26632), 10169 states have call successors, (10169), 1553 states have call predecessors, (10169), 1552 states have return successors, (10165), 10054 states have call predecessors, (10165), 10165 states have call successors, (10165) [2022-12-14 04:41:24,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31484 states to 31484 states and 46966 transitions. [2022-12-14 04:41:24,370 INFO L78 Accepts]: Start accepts. Automaton has 31484 states and 46966 transitions. Word has length 765 [2022-12-14 04:41:24,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:41:24,371 INFO L495 AbstractCegarLoop]: Abstraction has 31484 states and 46966 transitions. [2022-12-14 04:41:24,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (81), 2 states have call predecessors, (81), 1 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) [2022-12-14 04:41:24,371 INFO L276 IsEmpty]: Start isEmpty. Operand 31484 states and 46966 transitions. [2022-12-14 04:41:24,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2022-12-14 04:41:24,380 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:41:24,380 INFO L195 NwaCegarLoop]: trace histogram [72, 71, 71, 71, 71, 71, 71, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:41:24,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 04:41:24,380 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_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 04:41:24,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:41:24,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1074573067, now seen corresponding path program 1 times [2022-12-14 04:41:24,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:41:24,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612874827] [2022-12-14 04:41:24,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:41:24,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:41:24,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:41:24,982 INFO L134 CoverageAnalysis]: Checked inductivity of 20022 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20022 trivial. 0 not checked. [2022-12-14 04:41:24,982 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:41:24,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612874827] [2022-12-14 04:41:24,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612874827] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:41:24,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:41:24,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:41:24,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012145031] [2022-12-14 04:41:24,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:41:24,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:41:24,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:41:24,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:41:24,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:41:24,984 INFO L87 Difference]: Start difference. First operand 31484 states and 46966 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (80), 2 states have call predecessors, (80), 1 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) [2022-12-14 04:41:27,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:41:29,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:41:30,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:41:32,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:41:33,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:41:33,362 INFO L93 Difference]: Finished difference Result 90097 states and 134352 transitions. [2022-12-14 04:41:33,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:41:33,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (80), 2 states have call predecessors, (80), 1 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) Word has length 760 [2022-12-14 04:41:33,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:41:33,594 INFO L225 Difference]: With dead ends: 90097 [2022-12-14 04:41:33,595 INFO L226 Difference]: Without dead ends: 58754 [2022-12-14 04:41:33,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:41:33,703 INFO L413 NwaCegarLoop]: 3315 mSDtfsCounter, 2788 mSDsluCounter, 2654 mSDsCounter, 0 mSdLazyCounter, 898 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2788 SdHoareTripleChecker+Valid, 5969 SdHoareTripleChecker+Invalid, 911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-12-14 04:41:33,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2788 Valid, 5969 Invalid, 911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 898 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-12-14 04:41:33,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58754 states. [2022-12-14 04:41:35,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58754 to 58704. [2022-12-14 04:41:35,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58704 states, 36962 states have (on average 1.3470050321952276) internal successors, (49788), 37222 states have internal predecessors, (49788), 18791 states have call successors, (18791), 2949 states have call predecessors, (18791), 2948 states have return successors, (18787), 18532 states have call predecessors, (18787), 18787 states have call successors, (18787) [2022-12-14 04:41:35,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58704 states to 58704 states and 87366 transitions. [2022-12-14 04:41:35,971 INFO L78 Accepts]: Start accepts. Automaton has 58704 states and 87366 transitions. Word has length 760 [2022-12-14 04:41:35,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:41:35,971 INFO L495 AbstractCegarLoop]: Abstraction has 58704 states and 87366 transitions. [2022-12-14 04:41:35,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (80), 2 states have call predecessors, (80), 1 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) [2022-12-14 04:41:35,971 INFO L276 IsEmpty]: Start isEmpty. Operand 58704 states and 87366 transitions. [2022-12-14 04:41:35,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2022-12-14 04:41:35,980 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:41:35,980 INFO L195 NwaCegarLoop]: trace histogram [72, 71, 71, 71, 71, 71, 71, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:41:35,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 04:41:35,980 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_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 04:41:35,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:41:35,981 INFO L85 PathProgramCache]: Analyzing trace with hash -503987268, now seen corresponding path program 1 times [2022-12-14 04:41:35,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:41:35,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516312276] [2022-12-14 04:41:35,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:41:35,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:41:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:41:36,865 INFO L134 CoverageAnalysis]: Checked inductivity of 20022 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20022 trivial. 0 not checked. [2022-12-14 04:41:36,866 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:41:36,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516312276] [2022-12-14 04:41:36,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516312276] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:41:36,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:41:36,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 04:41:36,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720362166] [2022-12-14 04:41:36,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:41:36,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 04:41:36,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:41:36,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 04:41:36,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-12-14 04:41:36,869 INFO L87 Difference]: Start difference. First operand 58704 states and 87366 transitions. Second operand has 6 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 3 states have call successors, (80), 2 states have call predecessors, (80), 1 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) [2022-12-14 04:41:42,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:41:43,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:41:47,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:41:49,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:41:51,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:41:53,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:41:55,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:41:56,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:42:00,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:42:00,257 INFO L93 Difference]: Finished difference Result 224999 states and 334615 transitions. [2022-12-14 04:42:00,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 04:42:00,257 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 3 states have call successors, (80), 2 states have call predecessors, (80), 1 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) Word has length 759 [2022-12-14 04:42:00,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:42:00,910 INFO L225 Difference]: With dead ends: 224999 [2022-12-14 04:42:00,910 INFO L226 Difference]: Without dead ends: 166436 [2022-12-14 04:42:01,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-12-14 04:42:01,067 INFO L413 NwaCegarLoop]: 3951 mSDtfsCounter, 9896 mSDsluCounter, 4620 mSDsCounter, 0 mSdLazyCounter, 4953 mSolverCounterSat, 2594 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10252 SdHoareTripleChecker+Valid, 8571 SdHoareTripleChecker+Invalid, 7547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2594 IncrementalHoareTripleChecker+Valid, 4953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2022-12-14 04:42:01,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10252 Valid, 8571 Invalid, 7547 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2594 Valid, 4953 Invalid, 0 Unknown, 0 Unchecked, 18.6s Time] [2022-12-14 04:42:01,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166436 states. [2022-12-14 04:42:06,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166436 to 166272. [2022-12-14 04:42:06,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166272 states, 105108 states have (on average 1.3475282566503026) internal successors, (141636), 105944 states have internal predecessors, (141636), 52629 states have call successors, (52629), 8533 states have call predecessors, (52629), 8532 states have return successors, (52625), 51794 states have call predecessors, (52625), 52625 states have call successors, (52625) [2022-12-14 04:42:07,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166272 states to 166272 states and 246890 transitions. [2022-12-14 04:42:07,595 INFO L78 Accepts]: Start accepts. Automaton has 166272 states and 246890 transitions. Word has length 759 [2022-12-14 04:42:07,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:42:07,596 INFO L495 AbstractCegarLoop]: Abstraction has 166272 states and 246890 transitions. [2022-12-14 04:42:07,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 3 states have call successors, (80), 2 states have call predecessors, (80), 1 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) [2022-12-14 04:42:07,596 INFO L276 IsEmpty]: Start isEmpty. Operand 166272 states and 246890 transitions. [2022-12-14 04:42:07,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 767 [2022-12-14 04:42:07,713 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:42:07,713 INFO L195 NwaCegarLoop]: trace histogram [71, 70, 70, 70, 70, 70, 70, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:42:07,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 04:42:07,714 INFO L420 AbstractCegarLoop]: === Iteration 8 === 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_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 04:42:07,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:42:07,714 INFO L85 PathProgramCache]: Analyzing trace with hash 798031792, now seen corresponding path program 1 times [2022-12-14 04:42:07,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:42:07,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423479442] [2022-12-14 04:42:07,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:42:07,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:42:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:42:08,191 INFO L134 CoverageAnalysis]: Checked inductivity of 19487 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19487 trivial. 0 not checked. [2022-12-14 04:42:08,191 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:42:08,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423479442] [2022-12-14 04:42:08,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423479442] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:42:08,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:42:08,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:42:08,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466141565] [2022-12-14 04:42:08,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:42:08,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:42:08,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:42:08,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:42:08,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:42:08,193 INFO L87 Difference]: Start difference. First operand 166272 states and 246890 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (81), 2 states have call predecessors, (81), 1 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) [2022-12-14 04:42:11,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:42:13,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:42:17,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:42:24,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:42:24,859 INFO L93 Difference]: Finished difference Result 490127 states and 727310 transitions. [2022-12-14 04:42:24,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:42:24,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (81), 2 states have call predecessors, (81), 1 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) Word has length 766 [2022-12-14 04:42:24,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:42:26,215 INFO L225 Difference]: With dead ends: 490127 [2022-12-14 04:42:26,215 INFO L226 Difference]: Without dead ends: 323996 [2022-12-14 04:42:26,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:42:26,659 INFO L413 NwaCegarLoop]: 3347 mSDtfsCounter, 2784 mSDsluCounter, 2652 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2784 SdHoareTripleChecker+Valid, 5999 SdHoareTripleChecker+Invalid, 922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-12-14 04:42:26,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2784 Valid, 5999 Invalid, 922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 909 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-12-14 04:42:26,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323996 states. [2022-12-14 04:42:38,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323996 to 323882. [2022-12-14 04:42:39,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323882 states, 205454 states have (on average 1.3458292367147877) internal successors, (276506), 207218 states have internal predecessors, (276506), 101517 states have call successors, (101517), 16909 states have call predecessors, (101517), 16908 states have return successors, (101513), 99754 states have call predecessors, (101513), 101513 states have call successors, (101513) [2022-12-14 04:42:40,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323882 states to 323882 states and 479536 transitions. [2022-12-14 04:42:40,550 INFO L78 Accepts]: Start accepts. Automaton has 323882 states and 479536 transitions. Word has length 766 [2022-12-14 04:42:40,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:42:40,551 INFO L495 AbstractCegarLoop]: Abstraction has 323882 states and 479536 transitions. [2022-12-14 04:42:40,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (81), 2 states have call predecessors, (81), 1 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) [2022-12-14 04:42:40,551 INFO L276 IsEmpty]: Start isEmpty. Operand 323882 states and 479536 transitions. [2022-12-14 04:42:40,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 768 [2022-12-14 04:42:40,564 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:42:40,564 INFO L195 NwaCegarLoop]: trace histogram [71, 70, 70, 70, 70, 70, 70, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:42:40,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 04:42:40,565 INFO L420 AbstractCegarLoop]: === Iteration 9 === 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_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 04:42:40,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:42:40,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1923669222, now seen corresponding path program 1 times [2022-12-14 04:42:40,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:42:40,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021685254] [2022-12-14 04:42:40,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:42:40,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:42:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:42:40,943 INFO L134 CoverageAnalysis]: Checked inductivity of 19487 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19487 trivial. 0 not checked. [2022-12-14 04:42:40,943 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:42:40,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021685254] [2022-12-14 04:42:40,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021685254] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:42:40,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:42:40,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:42:40,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040980540] [2022-12-14 04:42:40,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:42:40,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:42:40,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:42:40,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:42:40,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:42:40,946 INFO L87 Difference]: Start difference. First operand 323882 states and 479536 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (81), 2 states have call predecessors, (81), 1 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) [2022-12-14 04:42:44,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:42:46,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:43:05,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:43:05,605 INFO L93 Difference]: Finished difference Result 957787 states and 1417090 transitions. [2022-12-14 04:43:05,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:43:05,606 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (81), 2 states have call predecessors, (81), 1 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) Word has length 767 [2022-12-14 04:43:05,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:43:08,527 INFO L225 Difference]: With dead ends: 957787 [2022-12-14 04:43:08,527 INFO L226 Difference]: Without dead ends: 634046 [2022-12-14 04:43:09,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:43:09,497 INFO L413 NwaCegarLoop]: 3427 mSDtfsCounter, 2783 mSDsluCounter, 2652 mSDsCounter, 0 mSdLazyCounter, 924 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2783 SdHoareTripleChecker+Valid, 6079 SdHoareTripleChecker+Invalid, 937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-12-14 04:43:09,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2783 Valid, 6079 Invalid, 937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 924 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-12-14 04:43:10,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634046 states. [2022-12-14 04:43:34,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634046 to 633932. [2022-12-14 04:43:35,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 633932 states, 403608 states have (on average 1.3438583972567442) internal successors, (542392), 407228 states have internal predecessors, (542392), 196661 states have call successors, (196661), 33661 states have call predecessors, (196661), 33660 states have return successors, (196657), 193042 states have call predecessors, (196657), 196657 states have call successors, (196657) [2022-12-14 04:43:38,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633932 states to 633932 states and 935710 transitions. [2022-12-14 04:43:38,443 INFO L78 Accepts]: Start accepts. Automaton has 633932 states and 935710 transitions. Word has length 767 [2022-12-14 04:43:38,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:43:38,444 INFO L495 AbstractCegarLoop]: Abstraction has 633932 states and 935710 transitions. [2022-12-14 04:43:38,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (81), 2 states have call predecessors, (81), 1 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) [2022-12-14 04:43:38,444 INFO L276 IsEmpty]: Start isEmpty. Operand 633932 states and 935710 transitions. [2022-12-14 04:43:38,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 762 [2022-12-14 04:43:38,459 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:43:38,459 INFO L195 NwaCegarLoop]: trace histogram [72, 71, 71, 71, 71, 71, 71, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:43:38,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 04:43:38,460 INFO L420 AbstractCegarLoop]: === Iteration 10 === 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_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 04:43:38,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:43:38,460 INFO L85 PathProgramCache]: Analyzing trace with hash -383410828, now seen corresponding path program 1 times [2022-12-14 04:43:38,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:43:38,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652470053] [2022-12-14 04:43:38,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:43:38,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:43:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:43:39,115 INFO L134 CoverageAnalysis]: Checked inductivity of 20022 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20022 trivial. 0 not checked. [2022-12-14 04:43:39,116 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:43:39,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652470053] [2022-12-14 04:43:39,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652470053] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:43:39,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:43:39,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:43:39,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755669576] [2022-12-14 04:43:39,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:43:39,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:43:39,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:43:39,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:43:39,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:43:39,118 INFO L87 Difference]: Start difference. First operand 633932 states and 935710 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (80), 2 states have call predecessors, (80), 1 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) [2022-12-14 04:43:43,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:43:44,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:43:51,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:43:53,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:44:27,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:44:27,857 INFO L93 Difference]: Finished difference Result 1880189 states and 2773348 transitions. [2022-12-14 04:44:27,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:44:27,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (80), 2 states have call predecessors, (80), 1 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) Word has length 761 [2022-12-14 04:44:27,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:44:34,323 INFO L225 Difference]: With dead ends: 1880189 [2022-12-14 04:44:34,323 INFO L226 Difference]: Without dead ends: 1246398 [2022-12-14 04:44:36,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:44:36,825 INFO L413 NwaCegarLoop]: 3387 mSDtfsCounter, 2787 mSDsluCounter, 2654 mSDsCounter, 0 mSdLazyCounter, 923 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2787 SdHoareTripleChecker+Valid, 6041 SdHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-12-14 04:44:36,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2787 Valid, 6041 Invalid, 936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 923 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-12-14 04:44:38,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1246398 states.