./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_c21309e1-47a7-4031-a957-497977a5e0fb/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21309e1-47a7-4031-a957-497977a5e0fb/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21309e1-47a7-4031-a957-497977a5e0fb/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21309e1-47a7-4031-a957-497977a5e0fb/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21309e1-47a7-4031-a957-497977a5e0fb/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21309e1-47a7-4031-a957-497977a5e0fb/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --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 f6012e8ec841b08462bbd246c354a43139de7ccb42d1c6282a50e12dbc313f31 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:11:36,809 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:11:36,952 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21309e1-47a7-4031-a957-497977a5e0fb/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:11:36,964 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:11:36,966 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:11:37,016 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:11:37,017 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:11:37,019 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:11:37,020 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:11:37,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:11:37,027 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:11:37,028 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:11:37,029 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:11:37,031 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:11:37,031 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:11:37,032 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:11:37,032 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:11:37,033 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:11:37,034 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:11:37,034 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:11:37,035 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:11:37,036 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:11:37,037 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:11:37,038 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:11:37,038 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:11:37,039 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:11:37,039 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:11:37,040 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:11:37,040 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:11:37,041 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:11:37,043 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:11:37,043 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:11:37,044 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:11:37,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:11:37,044 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:11:37,045 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:11:37,045 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:11:37,045 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:11:37,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:11:37,046 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:11:37,046 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:11:37,047 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:11:37,047 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_c21309e1-47a7-4031-a957-497977a5e0fb/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21309e1-47a7-4031-a957-497977a5e0fb/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6012e8ec841b08462bbd246c354a43139de7ccb42d1c6282a50e12dbc313f31 [2023-11-19 05:11:37,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:11:37,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:11:37,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:11:37,512 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:11:37,512 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:11:37,514 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21309e1-47a7-4031-a957-497977a5e0fb/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i [2023-11-19 05:11:41,059 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:11:41,737 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:11:41,739 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21309e1-47a7-4031-a957-497977a5e0fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i [2023-11-19 05:11:41,806 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21309e1-47a7-4031-a957-497977a5e0fb/bin/utaipan-verify-t7M7D8N6sZ/data/4456e3903/218c2aa8f70741f6a4c6caad5c2b6ca9/FLAG8eb0f5005 [2023-11-19 05:11:41,825 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21309e1-47a7-4031-a957-497977a5e0fb/bin/utaipan-verify-t7M7D8N6sZ/data/4456e3903/218c2aa8f70741f6a4c6caad5c2b6ca9 [2023-11-19 05:11:41,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:11:41,832 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:11:41,835 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:11:41,836 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:11:41,841 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:11:41,842 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:11:41" (1/1) ... [2023-11-19 05:11:41,843 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3625463b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:41, skipping insertion in model container [2023-11-19 05:11:41,844 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:11:41" (1/1) ... [2023-11-19 05:11:42,030 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:11:45,020 WARN L240 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_c21309e1-47a7-4031-a957-497977a5e0fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i[314540,314553] [2023-11-19 05:11:45,025 WARN L240 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_c21309e1-47a7-4031-a957-497977a5e0fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i[314706,314719] [2023-11-19 05:11:45,026 WARN L240 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_c21309e1-47a7-4031-a957-497977a5e0fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i[314870,314883] [2023-11-19 05:11:45,026 WARN L240 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_c21309e1-47a7-4031-a957-497977a5e0fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i[315035,315048] [2023-11-19 05:11:45,046 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:11:45,126 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:11:45,238 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4795] [2023-11-19 05:11:45,240 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4802] [2023-11-19 05:11:45,240 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [4809] [2023-11-19 05:11:45,242 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0": "+m" (v->counter)); [4847] [2023-11-19 05:11:45,565 WARN L240 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_c21309e1-47a7-4031-a957-497977a5e0fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i[314540,314553] [2023-11-19 05:11:45,566 WARN L240 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_c21309e1-47a7-4031-a957-497977a5e0fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i[314706,314719] [2023-11-19 05:11:45,566 WARN L240 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_c21309e1-47a7-4031-a957-497977a5e0fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i[314870,314883] [2023-11-19 05:11:45,567 WARN L240 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_c21309e1-47a7-4031-a957-497977a5e0fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i[315035,315048] [2023-11-19 05:11:45,572 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:11:46,022 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:11:46,031 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:11:46,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:46 WrapperNode [2023-11-19 05:11:46,051 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:11:46,053 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:11:46,053 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:11:46,053 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:11:46,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:46" (1/1) ... [2023-11-19 05:11:46,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:46" (1/1) ... [2023-11-19 05:11:46,526 INFO L138 Inliner]: procedures = 386, calls = 2592, calls flagged for inlining = 198, calls inlined = 148, statements flattened = 5148 [2023-11-19 05:11:46,527 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:11:46,528 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:11:46,528 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:11:46,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:11:46,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:46" (1/1) ... [2023-11-19 05:11:46,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:46" (1/1) ... [2023-11-19 05:11:46,585 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:46" (1/1) ... [2023-11-19 05:11:46,586 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:46" (1/1) ... [2023-11-19 05:11:46,713 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:46" (1/1) ... [2023-11-19 05:11:46,737 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:46" (1/1) ... [2023-11-19 05:11:46,773 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:46" (1/1) ... [2023-11-19 05:11:46,790 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:46" (1/1) ... [2023-11-19 05:11:46,832 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:11:46,833 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:11:46,833 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:11:46,833 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:11:46,834 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:46" (1/1) ... [2023-11-19 05:11:46,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:11:46,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21309e1-47a7-4031-a957-497977a5e0fb/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:11:46,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21309e1-47a7-4031-a957-497977a5e0fb/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:11:46,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21309e1-47a7-4031-a957-497977a5e0fb/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:11:46,920 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-19 05:11:46,921 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-19 05:11:46,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 05:11:46,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 05:11:46,921 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-11-19 05:11:46,921 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-11-19 05:11:46,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:11:46,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:11:46,922 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 05:11:46,923 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 05:11:46,923 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_stereo_mono [2023-11-19 05:11:46,924 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_stereo_mono [2023-11-19 05:11:46,924 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 05:11:46,924 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 05:11:46,924 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_len [2023-11-19 05:11:46,925 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_len [2023-11-19 05:11:46,926 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 05:11:46,926 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2023-11-19 05:11:46,926 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2023-11-19 05:11:46,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 05:11:46,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 05:11:46,929 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 05:11:46,929 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 05:11:46,929 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2023-11-19 05:11:46,930 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2023-11-19 05:11:46,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 05:11:46,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 05:11:46,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-19 05:11:46,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-19 05:11:46,930 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 05:11:46,931 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 05:11:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:11:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2023-11-19 05:11:46,931 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2023-11-19 05:11:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure st_unregister [2023-11-19 05:11:46,931 INFO L138 BoogieDeclarations]: Found implementation of procedure st_unregister [2023-11-19 05:11:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 05:11:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-19 05:11:46,932 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-19 05:11:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 05:11:46,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 05:11:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:11:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 05:11:46,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 05:11:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:11:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_fmdev [2023-11-19 05:11:46,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_fmdev [2023-11-19 05:11:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_release [2023-11-19 05:11:46,933 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_release [2023-11-19 05:11:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 05:11:46,934 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 05:11:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_fmdev [2023-11-19 05:11:46,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_fmdev [2023-11-19 05:11:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 05:11:46,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 05:11:46,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 05:11:46,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 05:11:46,937 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_set_rds_mode [2023-11-19 05:11:46,937 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_set_rds_mode [2023-11-19 05:11:46,937 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2023-11-19 05:11:46,938 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2023-11-19 05:11:46,938 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2023-11-19 05:11:46,938 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2023-11-19 05:11:46,939 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_rds_mode [2023-11-19 05:11:46,939 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_rds_mode [2023-11-19 05:11:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:11:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 05:11:46,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 05:11:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 05:11:46,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 05:11:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-19 05:11:46,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-19 05:11:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-11-19 05:11:46,981 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-11-19 05:11:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:11:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 05:11:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 05:11:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:11:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-19 05:11:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-19 05:11:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2023-11-19 05:11:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2023-11-19 05:11:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_preemph_filter [2023-11-19 05:11:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_preemph_filter [2023-11-19 05:11:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2023-11-19 05:11:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2023-11-19 05:11:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 05:11:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 05:11:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-19 05:11:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-19 05:11:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 05:11:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 05:11:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure fm_g_volatile_ctrl [2023-11-19 05:11:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_g_volatile_ctrl [2023-11-19 05:11:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:11:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:11:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-19 05:11:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-19 05:11:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 05:11:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 05:11:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure fm_config_rx_mute_reg [2023-11-19 05:11:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_config_rx_mute_reg [2023-11-19 05:11:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2023-11-19 05:11:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2023-11-19 05:11:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 05:11:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 05:11:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_data_mode [2023-11-19 05:11:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_data_mode [2023-11-19 05:11:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:11:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:11:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_pwr_lvl [2023-11-19 05:11:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_pwr_lvl [2023-11-19 05:11:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2023-11-19 05:11:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2023-11-19 05:11:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_prepare [2023-11-19 05:11:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_prepare [2023-11-19 05:11:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_send_cmd [2023-11-19 05:11:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_send_cmd [2023-11-19 05:11:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2023-11-19 05:11:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2023-11-19 05:11:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure fm_send_cmd [2023-11-19 05:11:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_send_cmd [2023-11-19 05:11:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 05:11:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 05:11:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 05:11:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 05:11:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure fm_irq_call_stage [2023-11-19 05:11:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_irq_call_stage [2023-11-19 05:11:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2023-11-19 05:11:46,987 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2023-11-19 05:11:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2023-11-19 05:11:46,987 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2023-11-19 05:11:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:11:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fm_drv_exit_6_2 [2023-11-19 05:11:46,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fm_drv_exit_6_2 [2023-11-19 05:11:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:11:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_reset_rds_cache [2023-11-19 05:11:46,987 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_reset_rds_cache [2023-11-19 05:11:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_reset_station_info [2023-11-19 05:11:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_reset_station_info [2023-11-19 05:11:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_s_ctrl [2023-11-19 05:11:46,995 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_s_ctrl [2023-11-19 05:11:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:11:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-19 05:11:46,996 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-19 05:11:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 05:11:46,997 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 05:11:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~int_handler_prototype~0 [2023-11-19 05:11:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~int_handler_prototype~0 [2023-11-19 05:11:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure enable_xmit [2023-11-19 05:11:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_xmit [2023-11-19 05:11:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-19 05:11:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-19 05:11:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_set_volume [2023-11-19 05:11:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_set_volume [2023-11-19 05:11:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 05:11:47,001 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 05:11:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-19 05:11:47,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-19 05:11:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 05:11:47,002 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 05:11:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 05:11:47,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 05:11:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 05:11:47,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 05:11:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_fmdev [2023-11-19 05:11:47,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_fmdev [2023-11-19 05:11:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_text [2023-11-19 05:11:47,003 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_text [2023-11-19 05:11:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2023-11-19 05:11:47,003 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2023-11-19 05:11:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_release [2023-11-19 05:11:47,004 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_release [2023-11-19 05:11:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-19 05:11:47,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-19 05:11:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 05:11:47,004 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 05:11:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 05:11:47,005 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 05:11:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-19 05:11:47,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-19 05:11:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-11-19 05:11:47,005 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-11-19 05:11:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:11:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-19 05:11:47,006 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-19 05:11:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:11:47,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:11:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_open [2023-11-19 05:11:47,006 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_open [2023-11-19 05:11:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-19 05:11:47,007 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-19 05:11:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_set_freq [2023-11-19 05:11:47,007 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_set_freq [2023-11-19 05:11:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_set_mode [2023-11-19 05:11:47,007 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_set_mode [2023-11-19 05:11:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_write [2023-11-19 05:11:47,007 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_write [2023-11-19 05:11:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-19 05:11:47,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-19 05:11:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure fm_irq_call [2023-11-19 05:11:47,008 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_irq_call [2023-11-19 05:11:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 05:11:47,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 05:11:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-19 05:11:47,009 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-19 05:11:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure fm_power_down [2023-11-19 05:11:47,009 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_power_down [2023-11-19 05:11:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure fm_download_firmware [2023-11-19 05:11:47,009 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_download_firmware [2023-11-19 05:11:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:11:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 05:11:47,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 05:11:47,914 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:11:47,919 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:11:48,145 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:11:54,377 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 05:11:54,537 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:11:56,106 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:11:56,106 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:11:56,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:11:56 BoogieIcfgContainer [2023-11-19 05:11:56,124 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:11:56,128 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:11:56,128 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:11:56,131 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:11:56,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:11:41" (1/3) ... [2023-11-19 05:11:56,134 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d41038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:11:56, skipping insertion in model container [2023-11-19 05:11:56,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:46" (2/3) ... [2023-11-19 05:11:56,135 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d41038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:11:56, skipping insertion in model container [2023-11-19 05:11:56,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:11:56" (3/3) ... [2023-11-19 05:11:56,138 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i [2023-11-19 05:11:56,158 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:11:56,159 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-19 05:11:56,268 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:11:56,275 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=LoopHeads, 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;@149cdce3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:11:56,276 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-19 05:11:56,290 INFO L276 IsEmpty]: Start isEmpty. Operand has 1522 states, 930 states have (on average 1.3268817204301075) internal successors, (1234), 946 states have internal predecessors, (1234), 492 states have call successors, (492), 98 states have call predecessors, (492), 97 states have return successors, (485), 482 states have call predecessors, (485), 485 states have call successors, (485) [2023-11-19 05:11:56,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-11-19 05:11:56,341 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:11:56,342 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:11:56,343 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)] === [2023-11-19 05:11:56,350 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:11:56,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1572751669, now seen corresponding path program 1 times [2023-11-19 05:11:56,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:11:56,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124470175] [2023-11-19 05:11:56,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:11:56,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:11:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:11:57,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2023-11-19 05:11:57,777 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:11:57,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124470175] [2023-11-19 05:11:57,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124470175] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:11:57,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:11:57,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:11:57,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87816248] [2023-11-19 05:11:57,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:11:57,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:11:57,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:11:57,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:11:57,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:11:57,842 INFO L87 Difference]: Start difference. First operand has 1522 states, 930 states have (on average 1.3268817204301075) internal successors, (1234), 946 states have internal predecessors, (1234), 492 states have call successors, (492), 98 states have call predecessors, (492), 97 states have return successors, (485), 482 states have call predecessors, (485), 485 states have call successors, (485) Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-19 05:12:00,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:12:02,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:12:04,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:12:06,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:12:06,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:12:06,346 INFO L93 Difference]: Finished difference Result 4336 states and 6357 transitions. [2023-11-19 05:12:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:12:06,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 215 [2023-11-19 05:12:06,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:12:06,416 INFO L225 Difference]: With dead ends: 4336 [2023-11-19 05:12:06,416 INFO L226 Difference]: Without dead ends: 2842 [2023-11-19 05:12:06,438 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 [2023-11-19 05:12:06,442 INFO L413 NwaCegarLoop]: 1958 mSDtfsCounter, 2056 mSDsluCounter, 1826 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 11 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2056 SdHoareTripleChecker+Valid, 3784 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:12:06,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2056 Valid, 3784 Invalid, 531 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 518 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2023-11-19 05:12:06,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2842 states. [2023-11-19 05:12:06,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2842 to 2838. [2023-11-19 05:12:06,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2838 states, 1756 states have (on average 1.3240318906605923) internal successors, (2325), 1786 states have internal predecessors, (2325), 894 states have call successors, (894), 186 states have call predecessors, (894), 185 states have return successors, (890), 884 states have call predecessors, (890), 890 states have call successors, (890) [2023-11-19 05:12:06,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2838 states to 2838 states and 4109 transitions. [2023-11-19 05:12:06,905 INFO L78 Accepts]: Start accepts. Automaton has 2838 states and 4109 transitions. Word has length 215 [2023-11-19 05:12:06,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:12:06,909 INFO L495 AbstractCegarLoop]: Abstraction has 2838 states and 4109 transitions. [2023-11-19 05:12:06,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-19 05:12:06,910 INFO L276 IsEmpty]: Start isEmpty. Operand 2838 states and 4109 transitions. [2023-11-19 05:12:06,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-11-19 05:12:06,921 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:12:06,921 INFO L195 NwaCegarLoop]: trace histogram [21, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:12:06,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:12:06,924 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)] === [2023-11-19 05:12:06,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:12:06,925 INFO L85 PathProgramCache]: Analyzing trace with hash -962451261, now seen corresponding path program 1 times [2023-11-19 05:12:06,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:12:06,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826849420] [2023-11-19 05:12:06,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:06,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:12:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:07,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2023-11-19 05:12:07,584 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:12:07,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826849420] [2023-11-19 05:12:07,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826849420] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:12:07,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:12:07,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:12:07,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879329101] [2023-11-19 05:12:07,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:12:07,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:12:07,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:12:07,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:12:07,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:12:07,592 INFO L87 Difference]: Start difference. First operand 2838 states and 4109 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-19 05:12:12,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:12:12,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:12:12,154 INFO L93 Difference]: Finished difference Result 6169 states and 8797 transitions. [2023-11-19 05:12:12,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:12:12,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 235 [2023-11-19 05:12:12,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:12:12,186 INFO L225 Difference]: With dead ends: 6169 [2023-11-19 05:12:12,187 INFO L226 Difference]: Without dead ends: 3370 [2023-11-19 05:12:12,206 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 [2023-11-19 05:12:12,207 INFO L413 NwaCegarLoop]: 1982 mSDtfsCounter, 1339 mSDsluCounter, 1890 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1339 SdHoareTripleChecker+Valid, 3872 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 560 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:12:12,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1339 Valid, 3872 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 560 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2023-11-19 05:12:12,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3370 states. [2023-11-19 05:12:12,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3370 to 3349. [2023-11-19 05:12:12,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3349 states, 2039 states have (on average 1.2962236390387445) internal successors, (2643), 2083 states have internal predecessors, (2643), 1032 states have call successors, (1032), 276 states have call predecessors, (1032), 275 states have return successors, (1028), 1014 states have call predecessors, (1028), 1028 states have call successors, (1028) [2023-11-19 05:12:12,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3349 states to 3349 states and 4703 transitions. [2023-11-19 05:12:12,503 INFO L78 Accepts]: Start accepts. Automaton has 3349 states and 4703 transitions. Word has length 235 [2023-11-19 05:12:12,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:12:12,504 INFO L495 AbstractCegarLoop]: Abstraction has 3349 states and 4703 transitions. [2023-11-19 05:12:12,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-19 05:12:12,504 INFO L276 IsEmpty]: Start isEmpty. Operand 3349 states and 4703 transitions. [2023-11-19 05:12:12,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2023-11-19 05:12:12,511 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:12:12,512 INFO L195 NwaCegarLoop]: trace histogram [22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:12:12,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:12:12,512 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)] === [2023-11-19 05:12:12,522 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:12:12,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1970544122, now seen corresponding path program 1 times [2023-11-19 05:12:12,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:12:12,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248512740] [2023-11-19 05:12:12,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:12,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:12:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:13,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2023-11-19 05:12:13,148 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:12:13,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248512740] [2023-11-19 05:12:13,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248512740] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:12:13,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:12:13,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 05:12:13,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881591404] [2023-11-19 05:12:13,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:12:13,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:12:13,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:12:13,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:12:13,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:12:13,154 INFO L87 Difference]: Start difference. First operand 3349 states and 4703 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-11-19 05:12:18,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:12:18,101 INFO L93 Difference]: Finished difference Result 5789 states and 8084 transitions. [2023-11-19 05:12:18,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:12:18,102 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 256 [2023-11-19 05:12:18,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:12:18,124 INFO L225 Difference]: With dead ends: 5789 [2023-11-19 05:12:18,124 INFO L226 Difference]: Without dead ends: 2479 [2023-11-19 05:12:18,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:12:18,144 INFO L413 NwaCegarLoop]: 1604 mSDtfsCounter, 3365 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 1029 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3552 SdHoareTripleChecker+Valid, 2145 SdHoareTripleChecker+Invalid, 2312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1029 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-11-19 05:12:18,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3552 Valid, 2145 Invalid, 2312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1029 Valid, 1283 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-11-19 05:12:18,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2479 states. [2023-11-19 05:12:18,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2479 to 2473. [2023-11-19 05:12:18,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2473 states, 1518 states have (on average 1.2891963109354414) internal successors, (1957), 1533 states have internal predecessors, (1957), 737 states have call successors, (737), 216 states have call predecessors, (737), 215 states have return successors, (733), 728 states have call predecessors, (733), 733 states have call successors, (733) [2023-11-19 05:12:18,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2473 states to 2473 states and 3427 transitions. [2023-11-19 05:12:18,326 INFO L78 Accepts]: Start accepts. Automaton has 2473 states and 3427 transitions. Word has length 256 [2023-11-19 05:12:18,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:12:18,329 INFO L495 AbstractCegarLoop]: Abstraction has 2473 states and 3427 transitions. [2023-11-19 05:12:18,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-11-19 05:12:18,329 INFO L276 IsEmpty]: Start isEmpty. Operand 2473 states and 3427 transitions. [2023-11-19 05:12:18,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2023-11-19 05:12:18,336 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:12:18,337 INFO L195 NwaCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 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] [2023-11-19 05:12:18,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 05:12:18,337 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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)] === [2023-11-19 05:12:18,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:12:18,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1303923604, now seen corresponding path program 1 times [2023-11-19 05:12:18,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:12:18,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130497400] [2023-11-19 05:12:18,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:18,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:12:18,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:19,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1537 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1537 trivial. 0 not checked. [2023-11-19 05:12:19,732 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:12:19,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130497400] [2023-11-19 05:12:19,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130497400] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:12:19,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:12:19,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 05:12:19,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888358331] [2023-11-19 05:12:19,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:12:19,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:12:19,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:12:19,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:12:19,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:12:19,735 INFO L87 Difference]: Start difference. First operand 2473 states and 3427 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-19 05:12:23,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:12:24,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:12:25,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:12:25,294 INFO L93 Difference]: Finished difference Result 2479 states and 3432 transitions. [2023-11-19 05:12:25,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 05:12:25,295 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 266 [2023-11-19 05:12:25,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:12:25,317 INFO L225 Difference]: With dead ends: 2479 [2023-11-19 05:12:25,318 INFO L226 Difference]: Without dead ends: 2477 [2023-11-19 05:12:25,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 05:12:25,321 INFO L413 NwaCegarLoop]: 1770 mSDtfsCounter, 1946 mSDsluCounter, 3532 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1951 SdHoareTripleChecker+Valid, 5302 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:12:25,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1951 Valid, 5302 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 722 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2023-11-19 05:12:25,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2477 states. [2023-11-19 05:12:25,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2477 to 2477. [2023-11-19 05:12:25,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2477 states, 1521 states have (on average 1.2886259040105195) internal successors, (1960), 1536 states have internal predecessors, (1960), 737 states have call successors, (737), 217 states have call predecessors, (737), 216 states have return successors, (733), 728 states have call predecessors, (733), 733 states have call successors, (733) [2023-11-19 05:12:25,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2477 states to 2477 states and 3430 transitions. [2023-11-19 05:12:25,539 INFO L78 Accepts]: Start accepts. Automaton has 2477 states and 3430 transitions. Word has length 266 [2023-11-19 05:12:25,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:12:25,540 INFO L495 AbstractCegarLoop]: Abstraction has 2477 states and 3430 transitions. [2023-11-19 05:12:25,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-19 05:12:25,540 INFO L276 IsEmpty]: Start isEmpty. Operand 2477 states and 3430 transitions. [2023-11-19 05:12:25,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2023-11-19 05:12:25,547 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:12:25,548 INFO L195 NwaCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 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] [2023-11-19 05:12:25,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 05:12:25,548 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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)] === [2023-11-19 05:12:25,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:12:25,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1174463119, now seen corresponding path program 1 times [2023-11-19 05:12:25,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:12:25,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743627760] [2023-11-19 05:12:25,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:25,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:12:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat