./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 cf1a7837 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_00b53635-da19-4370-bb3a-91cecf7a92ba/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b53635-da19-4370-bb3a-91cecf7a92ba/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b53635-da19-4370-bb3a-91cecf7a92ba/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b53635-da19-4370-bb3a-91cecf7a92ba/bin/utaipan-verify-NcY6lQBIFX/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_00b53635-da19-4370-bb3a-91cecf7a92ba/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b53635-da19-4370-bb3a-91cecf7a92ba/bin/utaipan-verify-NcY6lQBIFX --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-cf1a783 [2023-11-12 00:59:32,321 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:59:32,443 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b53635-da19-4370-bb3a-91cecf7a92ba/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:59:32,455 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:59:32,456 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:59:32,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:59:32,497 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:59:32,498 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:59:32,499 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:59:32,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:59:32,505 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:59:32,505 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:59:32,506 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:59:32,508 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:59:32,508 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:59:32,509 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:59:32,509 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:59:32,510 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:59:32,510 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:59:32,511 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:59:32,512 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:59:32,512 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:59:32,514 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:59:32,514 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:59:32,515 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:59:32,515 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:59:32,516 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:59:32,516 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:59:32,517 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:59:32,517 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:59:32,518 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:59:32,519 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:59:32,519 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:59:32,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:59:32,519 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:59:32,520 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:59:32,520 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:59:32,520 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:59:32,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:59:32,521 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:59:32,521 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:59:32,522 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:59:32,522 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_00b53635-da19-4370-bb3a-91cecf7a92ba/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b53635-da19-4370-bb3a-91cecf7a92ba/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6012e8ec841b08462bbd246c354a43139de7ccb42d1c6282a50e12dbc313f31 [2023-11-12 00:59:32,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:59:32,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:59:32,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:59:32,857 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:59:32,858 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:59:32,859 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b53635-da19-4370-bb3a-91cecf7a92ba/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i [2023-11-12 00:59:36,032 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:59:36,843 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:59:36,845 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b53635-da19-4370-bb3a-91cecf7a92ba/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i [2023-11-12 00:59:36,898 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b53635-da19-4370-bb3a-91cecf7a92ba/bin/utaipan-verify-NcY6lQBIFX/data/ac1cc936c/10f67bc35342482daf6fc5a987809290/FLAGc40f1f8eb [2023-11-12 00:59:36,916 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b53635-da19-4370-bb3a-91cecf7a92ba/bin/utaipan-verify-NcY6lQBIFX/data/ac1cc936c/10f67bc35342482daf6fc5a987809290 [2023-11-12 00:59:36,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:59:36,922 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:59:36,923 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:59:36,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:59:36,930 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:59:36,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:59:36" (1/1) ... [2023-11-12 00:59:36,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@622741f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:36, skipping insertion in model container [2023-11-12 00:59:36,933 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:59:36" (1/1) ... [2023-11-12 00:59:37,149 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:59:40,085 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_00b53635-da19-4370-bb3a-91cecf7a92ba/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] [2023-11-12 00:59:40,092 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_00b53635-da19-4370-bb3a-91cecf7a92ba/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] [2023-11-12 00:59:40,092 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_00b53635-da19-4370-bb3a-91cecf7a92ba/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] [2023-11-12 00:59:40,101 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_00b53635-da19-4370-bb3a-91cecf7a92ba/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] [2023-11-12 00:59:40,122 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:59:40,177 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:59:40,335 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] [2023-11-12 00:59:40,337 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] [2023-11-12 00:59:40,338 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [4809] [2023-11-12 00:59:40,340 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] [2023-11-12 00:59:40,569 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_00b53635-da19-4370-bb3a-91cecf7a92ba/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] [2023-11-12 00:59:40,570 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_00b53635-da19-4370-bb3a-91cecf7a92ba/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] [2023-11-12 00:59:40,570 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_00b53635-da19-4370-bb3a-91cecf7a92ba/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] [2023-11-12 00:59:40,571 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_00b53635-da19-4370-bb3a-91cecf7a92ba/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] [2023-11-12 00:59:40,575 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:59:40,856 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:59:40,864 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:59:40,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:40 WrapperNode [2023-11-12 00:59:40,865 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:59:40,866 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:59:40,866 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:59:40,867 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:59:40,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:40" (1/1) ... [2023-11-12 00:59:41,051 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:40" (1/1) ... [2023-11-12 00:59:41,208 INFO L138 Inliner]: procedures = 386, calls = 2592, calls flagged for inlining = 198, calls inlined = 148, statements flattened = 5148 [2023-11-12 00:59:41,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:59:41,209 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:59:41,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:59:41,210 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:59:41,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:40" (1/1) ... [2023-11-12 00:59:41,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:40" (1/1) ... [2023-11-12 00:59:41,244 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:40" (1/1) ... [2023-11-12 00:59:41,245 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:40" (1/1) ... [2023-11-12 00:59:41,365 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:40" (1/1) ... [2023-11-12 00:59:41,389 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:40" (1/1) ... [2023-11-12 00:59:41,422 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:40" (1/1) ... [2023-11-12 00:59:41,446 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:40" (1/1) ... [2023-11-12 00:59:41,481 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:59:41,483 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:59:41,483 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:59:41,483 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:59:41,484 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:40" (1/1) ... [2023-11-12 00:59:41,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:59:41,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b53635-da19-4370-bb3a-91cecf7a92ba/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:59:41,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b53635-da19-4370-bb3a-91cecf7a92ba/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:59:41,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b53635-da19-4370-bb3a-91cecf7a92ba/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:59:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-12 00:59:41,565 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-12 00:59:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:59:41,565 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:59:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-11-12 00:59:41,565 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-11-12 00:59:41,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:59:41,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:59:41,566 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-12 00:59:41,566 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-12 00:59:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_stereo_mono [2023-11-12 00:59:41,567 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_stereo_mono [2023-11-12 00:59:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 00:59:41,567 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 00:59:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_len [2023-11-12 00:59:41,568 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_len [2023-11-12 00:59:41,569 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 00:59:41,569 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2023-11-12 00:59:41,569 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2023-11-12 00:59:41,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:59:41,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:59:41,572 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 00:59:41,572 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 00:59:41,572 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2023-11-12 00:59:41,572 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2023-11-12 00:59:41,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:59:41,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:59:41,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-12 00:59:41,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-12 00:59:41,573 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 00:59:41,573 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 00:59:41,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:59:41,573 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2023-11-12 00:59:41,573 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2023-11-12 00:59:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure st_unregister [2023-11-12 00:59:41,574 INFO L138 BoogieDeclarations]: Found implementation of procedure st_unregister [2023-11-12 00:59:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:59:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-12 00:59:41,574 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-12 00:59:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 00:59:41,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 00:59:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:59:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:59:41,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:59:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:59:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_fmdev [2023-11-12 00:59:41,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_fmdev [2023-11-12 00:59:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_release [2023-11-12 00:59:41,576 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_release [2023-11-12 00:59:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:59:41,576 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:59:41,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_fmdev [2023-11-12 00:59:41,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_fmdev [2023-11-12 00:59:41,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 00:59:41,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 00:59:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:59:41,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:59:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_set_rds_mode [2023-11-12 00:59:41,579 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_set_rds_mode [2023-11-12 00:59:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2023-11-12 00:59:41,579 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2023-11-12 00:59:41,580 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2023-11-12 00:59:41,580 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2023-11-12 00:59:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_rds_mode [2023-11-12 00:59:41,581 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_rds_mode [2023-11-12 00:59:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:59:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 00:59:41,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 00:59:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 00:59:41,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 00:59:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-12 00:59:41,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-12 00:59:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-11-12 00:59:41,582 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-11-12 00:59:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:59:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:59:41,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:59:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:59:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-12 00:59:41,584 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-12 00:59:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2023-11-12 00:59:41,584 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2023-11-12 00:59:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_preemph_filter [2023-11-12 00:59:41,584 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_preemph_filter [2023-11-12 00:59:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2023-11-12 00:59:41,585 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2023-11-12 00:59:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-12 00:59:41,585 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-12 00:59:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-12 00:59:41,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-12 00:59:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 00:59:41,585 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 00:59:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure fm_g_volatile_ctrl [2023-11-12 00:59:41,586 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_g_volatile_ctrl [2023-11-12 00:59:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:59:41,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:59:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-12 00:59:41,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-12 00:59:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-12 00:59:41,587 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-12 00:59:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure fm_config_rx_mute_reg [2023-11-12 00:59:41,587 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_config_rx_mute_reg [2023-11-12 00:59:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2023-11-12 00:59:41,588 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2023-11-12 00:59:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:59:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:59:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_data_mode [2023-11-12 00:59:41,589 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_data_mode [2023-11-12 00:59:41,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:59:41,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:59:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_pwr_lvl [2023-11-12 00:59:41,590 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_pwr_lvl [2023-11-12 00:59:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2023-11-12 00:59:41,590 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2023-11-12 00:59:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_prepare [2023-11-12 00:59:41,590 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_prepare [2023-11-12 00:59:41,591 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_send_cmd [2023-11-12 00:59:41,591 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_send_cmd [2023-11-12 00:59:41,591 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2023-11-12 00:59:41,591 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2023-11-12 00:59:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure fm_send_cmd [2023-11-12 00:59:41,592 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_send_cmd [2023-11-12 00:59:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-12 00:59:41,592 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-12 00:59:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:59:41,592 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:59:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure fm_irq_call_stage [2023-11-12 00:59:41,593 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_irq_call_stage [2023-11-12 00:59:41,593 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2023-11-12 00:59:41,593 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2023-11-12 00:59:41,594 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2023-11-12 00:59:41,594 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2023-11-12 00:59:41,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:59:41,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fm_drv_exit_6_2 [2023-11-12 00:59:41,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fm_drv_exit_6_2 [2023-11-12 00:59:41,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:59:41,595 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_reset_rds_cache [2023-11-12 00:59:41,595 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_reset_rds_cache [2023-11-12 00:59:41,597 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_reset_station_info [2023-11-12 00:59:41,600 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_reset_station_info [2023-11-12 00:59:41,600 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_s_ctrl [2023-11-12 00:59:41,600 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_s_ctrl [2023-11-12 00:59:41,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:59:41,601 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-12 00:59:41,601 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-12 00:59:41,602 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:59:41,602 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:59:41,603 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~int_handler_prototype~0 [2023-11-12 00:59:41,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~int_handler_prototype~0 [2023-11-12 00:59:41,609 INFO L130 BoogieDeclarations]: Found specification of procedure enable_xmit [2023-11-12 00:59:41,657 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_xmit [2023-11-12 00:59:41,657 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-12 00:59:41,657 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-12 00:59:41,657 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_set_volume [2023-11-12 00:59:41,657 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_set_volume [2023-11-12 00:59:41,657 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-12 00:59:41,657 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-12 00:59:41,658 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-12 00:59:41,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-12 00:59:41,658 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-12 00:59:41,658 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-12 00:59:41,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:59:41,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:59:41,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 00:59:41,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 00:59:41,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_fmdev [2023-11-12 00:59:41,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_fmdev [2023-11-12 00:59:41,658 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_text [2023-11-12 00:59:41,658 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_text [2023-11-12 00:59:41,659 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2023-11-12 00:59:41,659 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2023-11-12 00:59:41,659 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_release [2023-11-12 00:59:41,659 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_release [2023-11-12 00:59:41,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-12 00:59:41,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-12 00:59:41,659 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 00:59:41,659 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 00:59:41,659 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:59:41,659 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:59:41,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-12 00:59:41,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-12 00:59:41,659 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-11-12 00:59:41,660 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-11-12 00:59:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:59:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-12 00:59:41,660 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-12 00:59:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:59:41,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:59:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_open [2023-11-12 00:59:41,660 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_open [2023-11-12 00:59:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-12 00:59:41,660 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-12 00:59:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_set_freq [2023-11-12 00:59:41,661 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_set_freq [2023-11-12 00:59:41,661 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_set_mode [2023-11-12 00:59:41,661 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_set_mode [2023-11-12 00:59:41,661 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_write [2023-11-12 00:59:41,661 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_write [2023-11-12 00:59:41,661 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-12 00:59:41,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-12 00:59:41,661 INFO L130 BoogieDeclarations]: Found specification of procedure fm_irq_call [2023-11-12 00:59:41,661 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_irq_call [2023-11-12 00:59:41,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:59:41,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:59:41,661 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-12 00:59:41,661 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-12 00:59:41,662 INFO L130 BoogieDeclarations]: Found specification of procedure fm_power_down [2023-11-12 00:59:41,662 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_power_down [2023-11-12 00:59:41,662 INFO L130 BoogieDeclarations]: Found specification of procedure fm_download_firmware [2023-11-12 00:59:41,662 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_download_firmware [2023-11-12 00:59:41,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:59:41,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:59:41,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:59:42,484 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:59:42,488 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:59:42,677 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:59:47,848 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 00:59:47,987 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:59:49,619 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:59:49,619 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:59:49,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:59:49 BoogieIcfgContainer [2023-11-12 00:59:49,626 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:59:49,629 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:59:49,630 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:59:49,633 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:59:49,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:59:36" (1/3) ... [2023-11-12 00:59:49,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79fde27f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:59:49, skipping insertion in model container [2023-11-12 00:59:49,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:40" (2/3) ... [2023-11-12 00:59:49,636 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79fde27f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:59:49, skipping insertion in model container [2023-11-12 00:59:49,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:59:49" (3/3) ... [2023-11-12 00:59:49,637 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i [2023-11-12 00:59:49,661 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:59:49,661 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-12 00:59:49,769 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:59:49,777 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;@1291c42d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:59:49,778 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-12 00:59:49,791 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) [2023-11-12 00:59:49,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-11-12 00:59:49,842 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:59:49,843 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] [2023-11-12 00:59:49,843 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)] === [2023-11-12 00:59:49,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:59:49,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1572751669, now seen corresponding path program 1 times [2023-11-12 00:59:49,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:59:49,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215022626] [2023-11-12 00:59:49,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:59:49,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:59:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:59:51,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2023-11-12 00:59:51,049 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:59:51,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215022626] [2023-11-12 00:59:51,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215022626] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:59:51,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:59:51,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:59:51,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20681451] [2023-11-12 00:59:51,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:59:51,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:59:51,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:59:51,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:59:51,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:59:51,111 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) [2023-11-12 00:59:55,111 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 [] [2023-11-12 00:59:57,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:59,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:59,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:59:59,475 INFO L93 Difference]: Finished difference Result 4336 states and 6357 transitions. [2023-11-12 00:59:59,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:59:59,483 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 [2023-11-12 00:59:59,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:59:59,540 INFO L225 Difference]: With dead ends: 4336 [2023-11-12 00:59:59,541 INFO L226 Difference]: Without dead ends: 2842 [2023-11-12 00:59:59,558 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 [2023-11-12 00:59:59,561 INFO L413 NwaCegarLoop]: 1958 mSDtfsCounter, 2056 mSDsluCounter, 1826 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 11 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2056 SdHoareTripleChecker+Valid, 3784 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:59:59,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2056 Valid, 3784 Invalid, 531 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 517 Invalid, 3 Unknown, 0 Unchecked, 8.0s Time] [2023-11-12 00:59:59,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2842 states. [2023-11-12 00:59:59,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2842 to 2838. [2023-11-12 00:59:59,947 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) [2023-11-12 00:59:59,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2838 states to 2838 states and 4109 transitions. [2023-11-12 00:59:59,992 INFO L78 Accepts]: Start accepts. Automaton has 2838 states and 4109 transitions. Word has length 215 [2023-11-12 00:59:59,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:59:59,994 INFO L495 AbstractCegarLoop]: Abstraction has 2838 states and 4109 transitions. [2023-11-12 00:59:59,995 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) [2023-11-12 00:59:59,995 INFO L276 IsEmpty]: Start isEmpty. Operand 2838 states and 4109 transitions. [2023-11-12 01:00:00,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-11-12 01:00:00,004 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:00:00,005 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] [2023-11-12 01:00:00,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 01:00:00,006 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)] === [2023-11-12 01:00:00,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:00:00,007 INFO L85 PathProgramCache]: Analyzing trace with hash -962451261, now seen corresponding path program 1 times [2023-11-12 01:00:00,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:00:00,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46722196] [2023-11-12 01:00:00,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:00:00,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:00:00,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:00:00,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2023-11-12 01:00:00,823 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:00:00,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46722196] [2023-11-12 01:00:00,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46722196] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:00:00,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:00:00,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 01:00:00,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703309989] [2023-11-12 01:00:00,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:00:00,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 01:00:00,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:00:00,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 01:00:00,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:00:00,830 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) [2023-11-12 01:00:05,787 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 [] [2023-11-12 01:00:05,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:00:05,956 INFO L93 Difference]: Finished difference Result 6169 states and 8797 transitions. [2023-11-12 01:00:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 01:00:05,957 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 [2023-11-12 01:00:05,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:00:05,989 INFO L225 Difference]: With dead ends: 6169 [2023-11-12 01:00:05,989 INFO L226 Difference]: Without dead ends: 3370 [2023-11-12 01:00:06,076 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 [2023-11-12 01:00:06,082 INFO L413 NwaCegarLoop]: 1982 mSDtfsCounter, 1339 mSDsluCounter, 1890 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s 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, 4.8s IncrementalHoareTripleChecker+Time [2023-11-12 01:00:06,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1339 Valid, 3872 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 560 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2023-11-12 01:00:06,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3370 states. [2023-11-12 01:00:06,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3370 to 3349. [2023-11-12 01:00:06,290 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) [2023-11-12 01:00:06,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3349 states to 3349 states and 4703 transitions. [2023-11-12 01:00:06,330 INFO L78 Accepts]: Start accepts. Automaton has 3349 states and 4703 transitions. Word has length 235 [2023-11-12 01:00:06,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:00:06,332 INFO L495 AbstractCegarLoop]: Abstraction has 3349 states and 4703 transitions. [2023-11-12 01:00:06,332 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) [2023-11-12 01:00:06,332 INFO L276 IsEmpty]: Start isEmpty. Operand 3349 states and 4703 transitions. [2023-11-12 01:00:06,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2023-11-12 01:00:06,343 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:00:06,343 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] [2023-11-12 01:00:06,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 01:00:06,344 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)] === [2023-11-12 01:00:06,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:00:06,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1970544122, now seen corresponding path program 1 times [2023-11-12 01:00:06,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:00:06,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291418654] [2023-11-12 01:00:06,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:00:06,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:00:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:00:06,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2023-11-12 01:00:06,971 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:00:06,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291418654] [2023-11-12 01:00:06,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291418654] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:00:06,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:00:06,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 01:00:06,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226274197] [2023-11-12 01:00:06,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:00:06,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 01:00:06,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:00:06,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 01:00:06,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-12 01:00:06,976 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) [2023-11-12 01:00:12,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:00:12,469 INFO L93 Difference]: Finished difference Result 5789 states and 8084 transitions. [2023-11-12 01:00:12,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 01:00:12,470 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 [2023-11-12 01:00:12,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:00:12,490 INFO L225 Difference]: With dead ends: 5789 [2023-11-12 01:00:12,490 INFO L226 Difference]: Without dead ends: 2479 [2023-11-12 01:00:12,508 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 [2023-11-12 01:00:12,509 INFO L413 NwaCegarLoop]: 1604 mSDtfsCounter, 3365 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 1029 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s 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, 5.2s IncrementalHoareTripleChecker+Time [2023-11-12 01:00:12,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3552 Valid, 2145 Invalid, 2312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1029 Valid, 1283 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-11-12 01:00:12,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2479 states. [2023-11-12 01:00:12,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2479 to 2473. [2023-11-12 01:00:12,678 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) [2023-11-12 01:00:12,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2473 states to 2473 states and 3427 transitions. [2023-11-12 01:00:12,695 INFO L78 Accepts]: Start accepts. Automaton has 2473 states and 3427 transitions. Word has length 256 [2023-11-12 01:00:12,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:00:12,701 INFO L495 AbstractCegarLoop]: Abstraction has 2473 states and 3427 transitions. [2023-11-12 01:00:12,701 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) [2023-11-12 01:00:12,702 INFO L276 IsEmpty]: Start isEmpty. Operand 2473 states and 3427 transitions. [2023-11-12 01:00:12,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2023-11-12 01:00:12,708 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:00:12,709 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] [2023-11-12 01:00:12,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 01:00:12,709 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)] === [2023-11-12 01:00:12,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:00:12,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1303923604, now seen corresponding path program 1 times [2023-11-12 01:00:12,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:00:12,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240847492] [2023-11-12 01:00:12,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:00:12,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:00:12,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:00:14,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1537 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1537 trivial. 0 not checked. [2023-11-12 01:00:14,004 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:00:14,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240847492] [2023-11-12 01:00:14,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240847492] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:00:14,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:00:14,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 01:00:14,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138408212] [2023-11-12 01:00:14,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:00:14,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 01:00:14,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:00:14,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 01:00:14,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 01:00:14,007 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) [2023-11-12 01:00:17,984 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 [] [2023-11-12 01:00:19,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:00:21,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:00:21,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:00:21,612 INFO L93 Difference]: Finished difference Result 2479 states and 3432 transitions. [2023-11-12 01:00:21,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 01:00:21,613 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 [2023-11-12 01:00:21,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:00:21,634 INFO L225 Difference]: With dead ends: 2479 [2023-11-12 01:00:21,634 INFO L226 Difference]: Without dead ends: 2477 [2023-11-12 01:00:21,636 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 [2023-11-12 01:00:21,637 INFO L413 NwaCegarLoop]: 1770 mSDtfsCounter, 1946 mSDsluCounter, 3532 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1951 SdHoareTripleChecker+Valid, 5302 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2023-11-12 01:00:21,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1951 Valid, 5302 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 721 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2023-11-12 01:00:21,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2477 states. [2023-11-12 01:00:21,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2477 to 2477. [2023-11-12 01:00:21,889 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) [2023-11-12 01:00:21,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2477 states to 2477 states and 3430 transitions. [2023-11-12 01:00:21,909 INFO L78 Accepts]: Start accepts. Automaton has 2477 states and 3430 transitions. Word has length 266 [2023-11-12 01:00:21,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:00:21,910 INFO L495 AbstractCegarLoop]: Abstraction has 2477 states and 3430 transitions. [2023-11-12 01:00:21,911 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) [2023-11-12 01:00:21,911 INFO L276 IsEmpty]: Start isEmpty. Operand 2477 states and 3430 transitions. [2023-11-12 01:00:21,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2023-11-12 01:00:21,920 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:00:21,921 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] [2023-11-12 01:00:21,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 01:00:21,922 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)] === [2023-11-12 01:00:21,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:00:21,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1174463119, now seen corresponding path program 1 times [2023-11-12 01:00:21,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:00:21,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887567438] [2023-11-12 01:00:21,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:00:21,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:00:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:00:23,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1539 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1537 trivial. 0 not checked. [2023-11-12 01:00:23,245 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:00:23,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887567438] [2023-11-12 01:00:23,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887567438] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:00:23,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:00:23,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 01:00:23,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090622104] [2023-11-12 01:00:23,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:00:23,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 01:00:23,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:00:23,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 01:00:23,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 01:00:23,248 INFO L87 Difference]: Start difference. First operand 2477 states and 3430 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32)