./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab96e76-ceb4-4eca-847c-92a09010408b/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab96e76-ceb4-4eca-847c-92a09010408b/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_9ab96e76-ceb4-4eca-847c-92a09010408b/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab96e76-ceb4-4eca-847c-92a09010408b/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab96e76-ceb4-4eca-847c-92a09010408b/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_9ab96e76-ceb4-4eca-847c-92a09010408b/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 4c72fad0f4736d2d4eb53bca18880400af0864c4b127cd0e90e1329def3f1884 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:09:59,056 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:09:59,138 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab96e76-ceb4-4eca-847c-92a09010408b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:09:59,155 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:09:59,158 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:09:59,202 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:09:59,208 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:09:59,209 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:09:59,210 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:09:59,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:09:59,219 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:09:59,219 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:09:59,220 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:09:59,222 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:09:59,223 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:09:59,223 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:09:59,224 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:09:59,224 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:09:59,225 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:09:59,225 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:09:59,226 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:09:59,226 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:09:59,228 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:09:59,228 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:09:59,229 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:09:59,229 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:09:59,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:09:59,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:09:59,231 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:09:59,231 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:09:59,232 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:09:59,232 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:09:59,233 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:09:59,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:09:59,233 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:09:59,234 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:09:59,234 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:09:59,234 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:09:59,234 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:09:59,234 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:09:59,235 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:09:59,235 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:09:59,235 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_9ab96e76-ceb4-4eca-847c-92a09010408b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab96e76-ceb4-4eca-847c-92a09010408b/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c72fad0f4736d2d4eb53bca18880400af0864c4b127cd0e90e1329def3f1884 [2023-11-19 05:09:59,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:09:59,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:09:59,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:09:59,572 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:09:59,573 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:09:59,574 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab96e76-ceb4-4eca-847c-92a09010408b/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i [2023-11-19 05:10:02,826 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:10:03,495 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:10:03,496 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab96e76-ceb4-4eca-847c-92a09010408b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i [2023-11-19 05:10:03,561 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab96e76-ceb4-4eca-847c-92a09010408b/bin/utaipan-verify-t7M7D8N6sZ/data/c62f7ce00/033f2348ce1f46c8b208cee6edaae288/FLAGc94027e42 [2023-11-19 05:10:03,574 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab96e76-ceb4-4eca-847c-92a09010408b/bin/utaipan-verify-t7M7D8N6sZ/data/c62f7ce00/033f2348ce1f46c8b208cee6edaae288 [2023-11-19 05:10:03,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:10:03,579 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:10:03,582 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:10:03,582 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:10:03,587 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:10:03,588 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:10:03" (1/1) ... [2023-11-19 05:10:03,589 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d0080c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:03, skipping insertion in model container [2023-11-19 05:10:03,589 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:10:03" (1/1) ... [2023-11-19 05:10:03,806 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:10:06,728 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_9ab96e76-ceb4-4eca-847c-92a09010408b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379788,379801] [2023-11-19 05:10:06,734 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_9ab96e76-ceb4-4eca-847c-92a09010408b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379954,379967] [2023-11-19 05:10:06,735 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_9ab96e76-ceb4-4eca-847c-92a09010408b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380118,380131] [2023-11-19 05:10:06,736 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_9ab96e76-ceb4-4eca-847c-92a09010408b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380283,380296] [2023-11-19 05:10:06,773 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:10:06,867 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:10:07,057 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"); [4944] [2023-11-19 05:10:07,434 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_9ab96e76-ceb4-4eca-847c-92a09010408b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379788,379801] [2023-11-19 05:10:07,435 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_9ab96e76-ceb4-4eca-847c-92a09010408b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379954,379967] [2023-11-19 05:10:07,435 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_9ab96e76-ceb4-4eca-847c-92a09010408b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380118,380131] [2023-11-19 05:10:07,436 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_9ab96e76-ceb4-4eca-847c-92a09010408b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380283,380296] [2023-11-19 05:10:07,442 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:10:07,666 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:10:07,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:07 WrapperNode [2023-11-19 05:10:07,667 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:10:07,668 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:10:07,668 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:10:07,669 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:10:07,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:07" (1/1) ... [2023-11-19 05:10:07,796 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:07" (1/1) ... [2023-11-19 05:10:08,081 INFO L138 Inliner]: procedures = 413, calls = 2533, calls flagged for inlining = 244, calls inlined = 231, statements flattened = 7233 [2023-11-19 05:10:08,082 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:10:08,082 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:10:08,083 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:10:08,084 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:10:08,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:07" (1/1) ... [2023-11-19 05:10:08,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:07" (1/1) ... [2023-11-19 05:10:08,160 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:07" (1/1) ... [2023-11-19 05:10:08,161 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:07" (1/1) ... [2023-11-19 05:10:08,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:07" (1/1) ... [2023-11-19 05:10:08,368 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:07" (1/1) ... [2023-11-19 05:10:08,419 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:07" (1/1) ... [2023-11-19 05:10:08,449 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:07" (1/1) ... [2023-11-19 05:10:08,503 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:10:08,506 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:10:08,506 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:10:08,506 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:10:08,507 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:07" (1/1) ... [2023-11-19 05:10:08,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:10:08,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab96e76-ceb4-4eca-847c-92a09010408b/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:10:08,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab96e76-ceb4-4eca-847c-92a09010408b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:10:08,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab96e76-ceb4-4eca-847c-92a09010408b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:10:08,589 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_has_diversity [2023-11-19 05:10:08,589 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_has_diversity [2023-11-19 05:10:08,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 05:10:08,589 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 05:10:08,589 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_acf_status [2023-11-19 05:10:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:10:08,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:10:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_s_ctrl [2023-11-19 05:10:08,590 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_s_ctrl [2023-11-19 05:10:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-19 05:10:08,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-19 05:10:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_probe [2023-11-19 05:10:08,591 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_probe [2023-11-19 05:10:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_am_acf_status [2023-11-19 05:10:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_phase_div_status [2023-11-19 05:10:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 05:10:08,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 05:10:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2023-11-19 05:10:08,592 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2023-11-19 05:10:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 05:10:08,593 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 05:10:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_lock [2023-11-19 05:10:08,593 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_lock [2023-11-19 05:10:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 05:10:08,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 05:10:08,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-19 05:10:08,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-19 05:10:08,594 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_read_acf_blob [2023-11-19 05:10:08,594 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_read_acf_blob [2023-11-19 05:10:08,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:10:08,594 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_rsq_status [2023-11-19 05:10:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 05:10:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2023-11-19 05:10:08,595 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2023-11-19 05:10:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:10:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 05:10:08,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 05:10:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_remove [2023-11-19 05:10:08,596 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_remove [2023-11-19 05:10:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:10:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 05:10:08,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 05:10:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 05:10:08,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 05:10:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2023-11-19 05:10:08,597 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2023-11-19 05:10:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_has_am [2023-11-19 05:10:08,597 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_has_am [2023-11-19 05:10:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_fops_read [2023-11-19 05:10:08,598 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_fops_read [2023-11-19 05:10:08,598 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2023-11-19 05:10:08,598 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2023-11-19 05:10:08,598 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_s_tuner [2023-11-19 05:10:08,598 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_s_tuner [2023-11-19 05:10:08,598 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_change_func [2023-11-19 05:10:08,599 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_change_func [2023-11-19 05:10:08,599 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_s_frequency [2023-11-19 05:10:08,599 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_s_frequency [2023-11-19 05:10:08,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:10:08,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 05:10:08,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 05:10:08,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 05:10:08,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 05:10:08,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-19 05:10:08,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-19 05:10:08,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2023-11-19 05:10:08,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2023-11-19 05:10:08,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-11-19 05:10:08,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-11-19 05:10:08,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_6 [2023-11-19 05:10:08,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_6 [2023-11-19 05:10:08,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:10:08,601 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_to_v4l2 [2023-11-19 05:10:08,602 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_to_v4l2 [2023-11-19 05:10:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_querycap [2023-11-19 05:10:08,602 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_querycap [2023-11-19 05:10:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 05:10:08,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 05:10:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:10:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 05:10:08,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 05:10:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 05:10:08,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 05:10:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_s_register [2023-11-19 05:10:08,603 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_s_register [2023-11-19 05:10:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cmd_lock_of_si476x_core [2023-11-19 05:10:08,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cmd_lock_of_si476x_core [2023-11-19 05:10:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_am_seek_start [2023-11-19 05:10:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_agc_status [2023-11-19 05:10:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_g_frequency [2023-11-19 05:10:08,604 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_g_frequency [2023-11-19 05:10:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2023-11-19 05:10:08,605 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2023-11-19 05:10:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_fops_open [2023-11-19 05:10:08,605 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_fops_open [2023-11-19 05:10:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:10:08,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:10:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_add_new_custom [2023-11-19 05:10:08,606 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_add_new_custom [2023-11-19 05:10:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 05:10:08,606 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 05:10:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 05:10:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 05:10:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:10:08,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:10:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_am_tune_freq [2023-11-19 05:10:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure regmap_read [2023-11-19 05:10:08,607 INFO L138 BoogieDeclarations]: Found implementation of procedure regmap_read [2023-11-19 05:10:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_is_in_am_receiver_mode [2023-11-19 05:10:08,608 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_is_in_am_receiver_mode [2023-11-19 05:10:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_to_radio [2023-11-19 05:10:08,608 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_to_radio [2023-11-19 05:10:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 05:10:08,608 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 05:10:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_read_rds_blckcnt_blob [2023-11-19 05:10:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_read_rds_blckcnt_blob [2023-11-19 05:10:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure regmap_update_bits [2023-11-19 05:10:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure regmap_update_bits [2023-11-19 05:10:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_enum_freq_bands [2023-11-19 05:10:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_enum_freq_bands [2023-11-19 05:10:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-19 05:10:08,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-19 05:10:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2023-11-19 05:10:08,610 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2023-11-19 05:10:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:10:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_rds_blockcount [2023-11-19 05:10:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_g_register [2023-11-19 05:10:08,611 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_g_register [2023-11-19 05:10:08,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:10:08,611 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_phase_diversity [2023-11-19 05:10:08,611 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_cmd_fm_phase_diversity [2023-11-19 05:10:08,611 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 05:10:08,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 05:10:08,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:10:08,612 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_to_si476x [2023-11-19 05:10:08,612 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_to_si476x [2023-11-19 05:10:08,612 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 05:10:08,612 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 05:10:08,612 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_do_post_powerup_init [2023-11-19 05:10:08,613 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_do_post_powerup_init [2023-11-19 05:10:08,613 INFO L130 BoogieDeclarations]: Found specification of procedure regmap_write [2023-11-19 05:10:08,613 INFO L138 BoogieDeclarations]: Found implementation of procedure regmap_write [2023-11-19 05:10:08,613 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_seek_start [2023-11-19 05:10:08,613 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2023-11-19 05:10:08,613 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2023-11-19 05:10:08,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 05:10:08,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 05:10:08,614 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2023-11-19 05:10:08,614 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2023-11-19 05:10:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release_empty [2023-11-19 05:10:08,617 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release_empty [2023-11-19 05:10:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_read_rsq_blob [2023-11-19 05:10:08,622 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_read_rsq_blob [2023-11-19 05:10:08,622 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_range_is_inside_of_the_band [2023-11-19 05:10:08,622 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_range_is_inside_of_the_band [2023-11-19 05:10:08,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-19 05:10:08,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-19 05:10:08,623 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_set_power_state [2023-11-19 05:10:08,623 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_set_power_state [2023-11-19 05:10:08,624 INFO L130 BoogieDeclarations]: Found specification of procedure regcache_cache_only [2023-11-19 05:10:08,624 INFO L138 BoogieDeclarations]: Found implementation of procedure regcache_cache_only [2023-11-19 05:10:08,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-19 05:10:08,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-19 05:10:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2023-11-19 05:10:08,625 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2023-11-19 05:10:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_fops_release [2023-11-19 05:10:08,625 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_fops_release [2023-11-19 05:10:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:10:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_s_hw_freq_seek [2023-11-19 05:10:08,626 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_s_hw_freq_seek [2023-11-19 05:10:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_read_rsq_primary_blob [2023-11-19 05:10:08,626 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_read_rsq_primary_blob [2023-11-19 05:10:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_read_agc_blob [2023-11-19 05:10:08,626 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_read_agc_blob [2023-11-19 05:10:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:10:08,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:10:08,627 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std_menu [2023-11-19 05:10:08,627 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std_menu [2023-11-19 05:10:08,627 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_g_tuner [2023-11-19 05:10:08,627 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_g_tuner [2023-11-19 05:10:08,627 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_stop [2023-11-19 05:10:08,627 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_stop [2023-11-19 05:10:08,628 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_fops_poll [2023-11-19 05:10:08,628 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_fops_poll [2023-11-19 05:10:08,628 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_tune_freq [2023-11-19 05:10:08,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_si476x_radio_driver_exit_17_2 [2023-11-19 05:10:08,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_si476x_radio_driver_exit_17_2 [2023-11-19 05:10:08,628 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_is_a_secondary_tuner [2023-11-19 05:10:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_is_a_secondary_tuner [2023-11-19 05:10:08,629 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2023-11-19 05:10:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2023-11-19 05:10:08,629 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 05:10:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 05:10:08,629 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_is_singular_file [2023-11-19 05:10:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_is_singular_file [2023-11-19 05:10:08,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 05:10:08,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 05:10:08,630 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_unlock [2023-11-19 05:10:08,630 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_unlock [2023-11-19 05:10:08,630 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_release [2023-11-19 05:10:08,630 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_release [2023-11-19 05:10:08,630 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 05:10:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 05:10:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2023-11-19 05:10:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2023-11-19 05:10:08,632 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_g_volatile_ctrl [2023-11-19 05:10:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_g_volatile_ctrl [2023-11-19 05:10:08,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:10:08,632 INFO L130 BoogieDeclarations]: Found specification of procedure regcache_sync_region [2023-11-19 05:10:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure regcache_sync_region [2023-11-19 05:10:08,632 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_am_rsq_status [2023-11-19 05:10:08,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 05:10:08,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 05:10:09,818 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:10:09,822 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:10:10,049 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:10:17,537 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 05:10:17,723 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:10:19,602 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:10:19,602 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:10:19,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:10:19 BoogieIcfgContainer [2023-11-19 05:10:19,616 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:10:19,619 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:10:19,619 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:10:19,622 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:10:19,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:10:03" (1/3) ... [2023-11-19 05:10:19,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68cc5670 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:10:19, skipping insertion in model container [2023-11-19 05:10:19,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:07" (2/3) ... [2023-11-19 05:10:19,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68cc5670 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:10:19, skipping insertion in model container [2023-11-19 05:10:19,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:10:19" (3/3) ... [2023-11-19 05:10:19,625 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i [2023-11-19 05:10:19,645 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:10:19,645 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-19 05:10:19,733 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:10:19,740 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;@5a374af0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:10:19,740 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-19 05:10:19,753 INFO L276 IsEmpty]: Start isEmpty. Operand has 2114 states, 1306 states have (on average 1.3537519142419603) internal successors, (1768), 1311 states have internal predecessors, (1768), 713 states have call successors, (713), 93 states have call predecessors, (713), 92 states have return successors, (702), 702 states have call predecessors, (702), 702 states have call successors, (702) [2023-11-19 05:10:19,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 725 [2023-11-19 05:10:19,804 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:10:19,806 INFO L195 NwaCegarLoop]: trace histogram [71, 70, 70, 70, 70, 70, 70, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:10:19,806 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 05:10:19,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:10:19,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1555237262, now seen corresponding path program 1 times [2023-11-19 05:10:19,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:10:19,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451116011] [2023-11-19 05:10:19,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:10:19,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:10:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:10:22,114 INFO L134 CoverageAnalysis]: Checked inductivity of 19463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19463 trivial. 0 not checked. [2023-11-19 05:10:22,115 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:10:22,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451116011] [2023-11-19 05:10:22,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451116011] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:10:22,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:10:22,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:10:22,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394608819] [2023-11-19 05:10:22,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:10:22,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:10:22,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:10:22,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:10:22,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:10:22,185 INFO L87 Difference]: Start difference. First operand has 2114 states, 1306 states have (on average 1.3537519142419603) internal successors, (1768), 1311 states have internal predecessors, (1768), 713 states have call successors, (713), 93 states have call predecessors, (713), 92 states have return successors, (702), 702 states have call predecessors, (702), 702 states have call successors, (702) Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) [2023-11-19 05:10:24,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:10:26,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:10:29,766 WARN L539 Checker$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 05:10:32,382 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 05:10:32,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:10:32,837 INFO L93 Difference]: Finished difference Result 5966 states and 9223 transitions. [2023-11-19 05:10:32,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:10:32,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) Word has length 724 [2023-11-19 05:10:32,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:10:32,912 INFO L225 Difference]: With dead ends: 5966 [2023-11-19 05:10:32,912 INFO L226 Difference]: Without dead ends: 3978 [2023-11-19 05:10:32,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:10:32,942 INFO L413 NwaCegarLoop]: 2740 mSDtfsCounter, 2873 mSDsluCounter, 2690 mSDsCounter, 0 mSdLazyCounter, 904 mSolverCounterSat, 13 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2873 SdHoareTripleChecker+Valid, 5430 SdHoareTripleChecker+Invalid, 920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 904 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:10:32,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2873 Valid, 5430 Invalid, 920 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 904 Invalid, 3 Unknown, 0 Unchecked, 10.1s Time] [2023-11-19 05:10:32,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3978 states. [2023-11-19 05:10:33,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3978 to 3974. [2023-11-19 05:10:33,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3974 states, 2488 states have (on average 1.3557073954983923) internal successors, (3373), 2497 states have internal predecessors, (3373), 1303 states have call successors, (1303), 181 states have call predecessors, (1303), 180 states have return successors, (1299), 1299 states have call predecessors, (1299), 1299 states have call successors, (1299) [2023-11-19 05:10:33,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3974 states to 3974 states and 5975 transitions. [2023-11-19 05:10:33,450 INFO L78 Accepts]: Start accepts. Automaton has 3974 states and 5975 transitions. Word has length 724 [2023-11-19 05:10:33,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:10:33,454 INFO L495 AbstractCegarLoop]: Abstraction has 3974 states and 5975 transitions. [2023-11-19 05:10:33,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) [2023-11-19 05:10:33,455 INFO L276 IsEmpty]: Start isEmpty. Operand 3974 states and 5975 transitions. [2023-11-19 05:10:33,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 733 [2023-11-19 05:10:33,494 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:10:33,495 INFO L195 NwaCegarLoop]: trace histogram [71, 70, 70, 70, 70, 70, 70, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:10:33,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:10:33,496 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 05:10:33,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:10:33,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1591938913, now seen corresponding path program 1 times [2023-11-19 05:10:33,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:10:33,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721051429] [2023-11-19 05:10:33,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:10:33,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:10:33,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:10:34,869 INFO L134 CoverageAnalysis]: Checked inductivity of 19460 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19460 trivial. 0 not checked. [2023-11-19 05:10:34,869 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:10:34,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721051429] [2023-11-19 05:10:34,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721051429] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:10:34,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:10:34,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:10:34,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741282185] [2023-11-19 05:10:34,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:10:34,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:10:34,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:10:34,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:10:34,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:10:34,877 INFO L87 Difference]: Start difference. First operand 3974 states and 5975 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (73), 3 states have call predecessors, (73), 3 states have call successors, (73) [2023-11-19 05:10:37,567 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 05:10:39,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:10:42,672 WARN L539 Checker$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 05:10:44,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:10:46,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:10:46,025 INFO L93 Difference]: Finished difference Result 9730 states and 14630 transitions. [2023-11-19 05:10:46,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:10:46,026 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (73), 3 states have call predecessors, (73), 3 states have call successors, (73) Word has length 732 [2023-11-19 05:10:46,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:10:46,089 INFO L225 Difference]: With dead ends: 9730 [2023-11-19 05:10:46,089 INFO L226 Difference]: Without dead ends: 5897 [2023-11-19 05:10:46,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:10:46,115 INFO L413 NwaCegarLoop]: 2717 mSDtfsCounter, 2887 mSDsluCounter, 2694 mSDsCounter, 0 mSdLazyCounter, 890 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2887 SdHoareTripleChecker+Valid, 5411 SdHoareTripleChecker+Invalid, 900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 890 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2023-11-19 05:10:46,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2887 Valid, 5411 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 890 Invalid, 3 Unknown, 0 Unchecked, 10.7s Time] [2023-11-19 05:10:46,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5897 states. [2023-11-19 05:10:46,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5897 to 5877. [2023-11-19 05:10:46,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5877 states, 3685 states have (on average 1.3576662143826324) internal successors, (5003), 3701 states have internal predecessors, (5003), 1918 states have call successors, (1918), 272 states have call predecessors, (1918), 271 states have return successors, (1914), 1909 states have call predecessors, (1914), 1914 states have call successors, (1914) [2023-11-19 05:10:46,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5877 states to 5877 states and 8835 transitions. [2023-11-19 05:10:46,678 INFO L78 Accepts]: Start accepts. Automaton has 5877 states and 8835 transitions. Word has length 732 [2023-11-19 05:10:46,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:10:46,681 INFO L495 AbstractCegarLoop]: Abstraction has 5877 states and 8835 transitions. [2023-11-19 05:10:46,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (73), 3 states have call predecessors, (73), 3 states have call successors, (73) [2023-11-19 05:10:46,682 INFO L276 IsEmpty]: Start isEmpty. Operand 5877 states and 8835 transitions. [2023-11-19 05:10:46,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 742 [2023-11-19 05:10:46,719 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:10:46,719 INFO L195 NwaCegarLoop]: trace histogram [71, 70, 70, 70, 70, 70, 70, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:10:46,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:10:46,720 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 05:10:46,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:10:46,721 INFO L85 PathProgramCache]: Analyzing trace with hash 567856256, now seen corresponding path program 1 times [2023-11-19 05:10:46,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:10:46,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811314077] [2023-11-19 05:10:46,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:10:46,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:10:46,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:10:47,724 INFO L134 CoverageAnalysis]: Checked inductivity of 19460 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19460 trivial. 0 not checked. [2023-11-19 05:10:47,725 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:10:47,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811314077] [2023-11-19 05:10:47,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811314077] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:10:47,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:10:47,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:10:47,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537725039] [2023-11-19 05:10:47,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:10:47,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:10:47,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:10:47,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:10:47,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:10:47,732 INFO L87 Difference]: Start difference. First operand 5877 states and 8835 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (78), 2 states have call predecessors, (78), 1 states have return successors, (73), 3 states have call predecessors, (73), 3 states have call successors, (73)