./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 30e01a73 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_b8a55376-900c-4ce3-82ba-9c18228d8c3e/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a55376-900c-4ce3-82ba-9c18228d8c3e/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a55376-900c-4ce3-82ba-9c18228d8c3e/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a55376-900c-4ce3-82ba-9c18228d8c3e/bin/utaipan-verify-mE87zJ7Ire/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_b8a55376-900c-4ce3-82ba-9c18228d8c3e/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a55376-900c-4ce3-82ba-9c18228d8c3e/bin/utaipan-verify-mE87zJ7Ire --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-30e01a7 [2023-11-23 21:16:02,696 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:16:02,811 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a55376-900c-4ce3-82ba-9c18228d8c3e/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:16:02,819 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:16:02,820 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:16:02,859 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:16:02,860 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:16:02,860 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:16:02,861 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:16:02,866 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:16:02,867 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:16:02,867 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:16:02,868 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:16:02,869 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:16:02,870 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:16:02,870 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:16:02,870 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:16:02,871 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:16:02,871 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:16:02,872 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:16:02,873 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:16:02,874 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:16:02,875 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:16:02,875 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:16:02,876 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:16:02,876 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:16:02,877 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:16:02,877 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:16:02,877 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:16:02,878 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:16:02,879 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:16:02,879 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:16:02,879 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:16:02,880 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:16:02,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:16:02,880 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:16:02,880 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:16:02,881 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:16:02,881 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:16:02,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:16:02,881 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:16:02,882 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:16:02,882 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:16:02,882 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:16:02,882 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_b8a55376-900c-4ce3-82ba-9c18228d8c3e/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a55376-900c-4ce3-82ba-9c18228d8c3e/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c72fad0f4736d2d4eb53bca18880400af0864c4b127cd0e90e1329def3f1884 [2023-11-23 21:16:03,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:16:03,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:16:03,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:16:03,189 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:16:03,189 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:16:03,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a55376-900c-4ce3-82ba-9c18228d8c3e/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i [2023-11-23 21:16:06,354 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:16:07,031 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:16:07,032 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a55376-900c-4ce3-82ba-9c18228d8c3e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i [2023-11-23 21:16:07,113 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a55376-900c-4ce3-82ba-9c18228d8c3e/bin/utaipan-verify-mE87zJ7Ire/data/032b3a5c3/33cbb4dd7758454a9447a8b37281b355/FLAGb28693d47 [2023-11-23 21:16:07,129 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a55376-900c-4ce3-82ba-9c18228d8c3e/bin/utaipan-verify-mE87zJ7Ire/data/032b3a5c3/33cbb4dd7758454a9447a8b37281b355 [2023-11-23 21:16:07,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:16:07,133 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:16:07,134 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:16:07,135 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:16:07,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:16:07,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:16:07" (1/1) ... [2023-11-23 21:16:07,142 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4605cbf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:07, skipping insertion in model container [2023-11-23 21:16:07,142 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:16:07" (1/1) ... [2023-11-23 21:16:07,314 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:16:10,151 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_b8a55376-900c-4ce3-82ba-9c18228d8c3e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379788,379801] [2023-11-23 21:16:10,155 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_b8a55376-900c-4ce3-82ba-9c18228d8c3e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379954,379967] [2023-11-23 21:16:10,156 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_b8a55376-900c-4ce3-82ba-9c18228d8c3e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380118,380131] [2023-11-23 21:16:10,157 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_b8a55376-900c-4ce3-82ba-9c18228d8c3e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380283,380296] [2023-11-23 21:16:10,190 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:16:10,282 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:16:10,421 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] [2023-11-23 21:16:10,751 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_b8a55376-900c-4ce3-82ba-9c18228d8c3e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379788,379801] [2023-11-23 21:16:10,753 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_b8a55376-900c-4ce3-82ba-9c18228d8c3e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379954,379967] [2023-11-23 21:16:10,753 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_b8a55376-900c-4ce3-82ba-9c18228d8c3e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380118,380131] [2023-11-23 21:16:10,754 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_b8a55376-900c-4ce3-82ba-9c18228d8c3e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380283,380296] [2023-11-23 21:16:10,761 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:16:11,051 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:16:11,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:11 WrapperNode [2023-11-23 21:16:11,052 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:16:11,053 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:16:11,054 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:16:11,054 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:16:11,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:11" (1/1) ... [2023-11-23 21:16:11,167 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:11" (1/1) ... [2023-11-23 21:16:11,418 INFO L138 Inliner]: procedures = 413, calls = 2533, calls flagged for inlining = 244, calls inlined = 231, statements flattened = 7233 [2023-11-23 21:16:11,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:16:11,419 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:16:11,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:16:11,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:16:11,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:11" (1/1) ... [2023-11-23 21:16:11,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:11" (1/1) ... [2023-11-23 21:16:11,485 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:11" (1/1) ... [2023-11-23 21:16:11,497 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:11" (1/1) ... [2023-11-23 21:16:11,668 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:11" (1/1) ... [2023-11-23 21:16:11,707 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:11" (1/1) ... [2023-11-23 21:16:11,877 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:11" (1/1) ... [2023-11-23 21:16:11,907 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:11" (1/1) ... [2023-11-23 21:16:11,956 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:16:11,967 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:16:11,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:16:11,968 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:16:11,969 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:11" (1/1) ... [2023-11-23 21:16:11,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:16:11,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a55376-900c-4ce3-82ba-9c18228d8c3e/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:16:12,007 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a55376-900c-4ce3-82ba-9c18228d8c3e/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:16:12,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a55376-900c-4ce3-82ba-9c18228d8c3e/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:16:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_has_diversity [2023-11-23 21:16:12,054 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_has_diversity [2023-11-23 21:16:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:16:12,054 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:16:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_acf_status [2023-11-23 21:16:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:16:12,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:16:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_s_ctrl [2023-11-23 21:16:12,055 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_s_ctrl [2023-11-23 21:16:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:16:12,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:16:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_probe [2023-11-23 21:16:12,055 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_probe [2023-11-23 21:16:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_am_acf_status [2023-11-23 21:16:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_phase_div_status [2023-11-23 21:16:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:16:12,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:16:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2023-11-23 21:16:12,056 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2023-11-23 21:16:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-23 21:16:12,056 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-23 21:16:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_lock [2023-11-23 21:16:12,057 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_lock [2023-11-23 21:16:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:16:12,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:16:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-23 21:16:12,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-23 21:16:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_read_acf_blob [2023-11-23 21:16:12,057 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_read_acf_blob [2023-11-23 21:16:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:16:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_rsq_status [2023-11-23 21:16:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:16:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2023-11-23 21:16:12,058 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2023-11-23 21:16:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:16:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:16:12,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:16:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_remove [2023-11-23 21:16:12,059 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_remove [2023-11-23 21:16:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:16:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 21:16:12,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 21:16:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 21:16:12,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 21:16:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2023-11-23 21:16:12,060 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2023-11-23 21:16:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_has_am [2023-11-23 21:16:12,060 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_has_am [2023-11-23 21:16:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_fops_read [2023-11-23 21:16:12,060 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_fops_read [2023-11-23 21:16:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2023-11-23 21:16:12,060 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2023-11-23 21:16:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_s_tuner [2023-11-23 21:16:12,061 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_s_tuner [2023-11-23 21:16:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_change_func [2023-11-23 21:16:12,061 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_change_func [2023-11-23 21:16:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_s_frequency [2023-11-23 21:16:12,061 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_s_frequency [2023-11-23 21:16:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:16:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-23 21:16:12,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-23 21:16:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 21:16:12,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 21:16:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-23 21:16:12,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-23 21:16:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2023-11-23 21:16:12,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2023-11-23 21:16:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-11-23 21:16:12,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-11-23 21:16:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_6 [2023-11-23 21:16:12,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_6 [2023-11-23 21:16:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:16:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_to_v4l2 [2023-11-23 21:16:12,063 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_to_v4l2 [2023-11-23 21:16:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_querycap [2023-11-23 21:16:12,063 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_querycap [2023-11-23 21:16:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:16:12,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:16:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:16:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:16:12,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:16:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:16:12,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:16:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_s_register [2023-11-23 21:16:12,064 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_s_register [2023-11-23 21:16:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cmd_lock_of_si476x_core [2023-11-23 21:16:12,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cmd_lock_of_si476x_core [2023-11-23 21:16:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_am_seek_start [2023-11-23 21:16:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_agc_status [2023-11-23 21:16:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_g_frequency [2023-11-23 21:16:12,065 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_g_frequency [2023-11-23 21:16:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2023-11-23 21:16:12,065 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2023-11-23 21:16:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_fops_open [2023-11-23 21:16:12,066 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_fops_open [2023-11-23 21:16:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:16:12,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:16:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_add_new_custom [2023-11-23 21:16:12,066 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_add_new_custom [2023-11-23 21:16:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 21:16:12,066 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 21:16:12,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:16:12,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:16:12,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:16:12,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:16:12,067 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_am_tune_freq [2023-11-23 21:16:12,067 INFO L130 BoogieDeclarations]: Found specification of procedure regmap_read [2023-11-23 21:16:12,067 INFO L138 BoogieDeclarations]: Found implementation of procedure regmap_read [2023-11-23 21:16:12,067 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_is_in_am_receiver_mode [2023-11-23 21:16:12,068 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_is_in_am_receiver_mode [2023-11-23 21:16:12,068 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_to_radio [2023-11-23 21:16:12,068 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_to_radio [2023-11-23 21:16:12,068 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-23 21:16:12,068 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-23 21:16:12,068 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_read_rds_blckcnt_blob [2023-11-23 21:16:12,068 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_read_rds_blckcnt_blob [2023-11-23 21:16:12,068 INFO L130 BoogieDeclarations]: Found specification of procedure regmap_update_bits [2023-11-23 21:16:12,069 INFO L138 BoogieDeclarations]: Found implementation of procedure regmap_update_bits [2023-11-23 21:16:12,069 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_enum_freq_bands [2023-11-23 21:16:12,069 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_enum_freq_bands [2023-11-23 21:16:12,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-23 21:16:12,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-23 21:16:12,069 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2023-11-23 21:16:12,069 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2023-11-23 21:16:12,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:16:12,070 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_rds_blockcount [2023-11-23 21:16:12,070 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_g_register [2023-11-23 21:16:12,070 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_g_register [2023-11-23 21:16:12,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:16:12,070 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_phase_diversity [2023-11-23 21:16:12,070 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_cmd_fm_phase_diversity [2023-11-23 21:16:12,071 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-23 21:16:12,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-23 21:16:12,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:16:12,071 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_to_si476x [2023-11-23 21:16:12,071 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_to_si476x [2023-11-23 21:16:12,071 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 21:16:12,071 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 21:16:12,072 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_do_post_powerup_init [2023-11-23 21:16:12,072 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_do_post_powerup_init [2023-11-23 21:16:12,072 INFO L130 BoogieDeclarations]: Found specification of procedure regmap_write [2023-11-23 21:16:12,072 INFO L138 BoogieDeclarations]: Found implementation of procedure regmap_write [2023-11-23 21:16:12,072 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_seek_start [2023-11-23 21:16:12,072 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2023-11-23 21:16:12,072 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2023-11-23 21:16:12,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:16:12,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:16:12,073 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2023-11-23 21:16:12,073 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2023-11-23 21:16:12,073 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release_empty [2023-11-23 21:16:12,073 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release_empty [2023-11-23 21:16:12,073 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_read_rsq_blob [2023-11-23 21:16:12,074 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_read_rsq_blob [2023-11-23 21:16:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_range_is_inside_of_the_band [2023-11-23 21:16:12,074 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_range_is_inside_of_the_band [2023-11-23 21:16:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-23 21:16:12,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-23 21:16:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_set_power_state [2023-11-23 21:16:12,074 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_set_power_state [2023-11-23 21:16:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure regcache_cache_only [2023-11-23 21:16:12,075 INFO L138 BoogieDeclarations]: Found implementation of procedure regcache_cache_only [2023-11-23 21:16:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-23 21:16:12,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-23 21:16:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2023-11-23 21:16:12,075 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2023-11-23 21:16:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_fops_release [2023-11-23 21:16:12,076 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_fops_release [2023-11-23 21:16:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:16:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_s_hw_freq_seek [2023-11-23 21:16:12,076 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_s_hw_freq_seek [2023-11-23 21:16:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_read_rsq_primary_blob [2023-11-23 21:16:12,076 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_read_rsq_primary_blob [2023-11-23 21:16:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_read_agc_blob [2023-11-23 21:16:12,076 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_read_agc_blob [2023-11-23 21:16:12,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:16:12,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:16:12,077 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std_menu [2023-11-23 21:16:12,077 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std_menu [2023-11-23 21:16:12,077 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_g_tuner [2023-11-23 21:16:12,077 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_g_tuner [2023-11-23 21:16:12,077 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_stop [2023-11-23 21:16:12,077 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_stop [2023-11-23 21:16:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_fops_poll [2023-11-23 21:16:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_fops_poll [2023-11-23 21:16:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_tune_freq [2023-11-23 21:16:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_si476x_radio_driver_exit_17_2 [2023-11-23 21:16:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_si476x_radio_driver_exit_17_2 [2023-11-23 21:16:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_is_a_secondary_tuner [2023-11-23 21:16:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_is_a_secondary_tuner [2023-11-23 21:16:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2023-11-23 21:16:12,079 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2023-11-23 21:16:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-23 21:16:12,079 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-23 21:16:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_is_singular_file [2023-11-23 21:16:12,079 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_is_singular_file [2023-11-23 21:16:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:16:12,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:16:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_unlock [2023-11-23 21:16:12,080 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_unlock [2023-11-23 21:16:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_release [2023-11-23 21:16:12,080 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_release [2023-11-23 21:16:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:16:12,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:16:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2023-11-23 21:16:12,080 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2023-11-23 21:16:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_g_volatile_ctrl [2023-11-23 21:16:12,081 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_g_volatile_ctrl [2023-11-23 21:16:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:16:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure regcache_sync_region [2023-11-23 21:16:12,081 INFO L138 BoogieDeclarations]: Found implementation of procedure regcache_sync_region [2023-11-23 21:16:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_am_rsq_status [2023-11-23 21:16:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:16:12,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:16:13,212 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:16:13,216 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:16:13,381 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:16:19,993 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 21:16:20,157 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:16:22,148 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:16:22,148 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:16:22,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:16:22 BoogieIcfgContainer [2023-11-23 21:16:22,151 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:16:22,154 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:16:22,154 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:16:22,158 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:16:22,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:16:07" (1/3) ... [2023-11-23 21:16:22,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d936f6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:16:22, skipping insertion in model container [2023-11-23 21:16:22,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:11" (2/3) ... [2023-11-23 21:16:22,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d936f6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:16:22, skipping insertion in model container [2023-11-23 21:16:22,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:16:22" (3/3) ... [2023-11-23 21:16:22,165 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i [2023-11-23 21:16:22,186 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:16:22,186 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-23 21:16:22,290 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:16:22,298 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;@3f7a9c51, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:16:22,298 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-23 21:16:22,312 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) [2023-11-23 21:16:22,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 725 [2023-11-23 21:16:22,374 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:16:22,376 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] [2023-11-23 21:16:22,376 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)] === [2023-11-23 21:16:22,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:16:22,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1616785880, now seen corresponding path program 1 times [2023-11-23 21:16:22,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:16:22,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690566605] [2023-11-23 21:16:22,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:16:22,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:16:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:16:24,763 INFO L134 CoverageAnalysis]: Checked inductivity of 19463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19463 trivial. 0 not checked. [2023-11-23 21:16:24,764 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:16:24,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690566605] [2023-11-23 21:16:24,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690566605] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:16:24,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:16:24,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:16:24,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400568742] [2023-11-23 21:16:24,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:16:24,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:16:24,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:16:24,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:16:24,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:16:24,833 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) [2023-11-23 21:16:27,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:30,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:32,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:33,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:16:33,259 INFO L93 Difference]: Finished difference Result 5966 states and 9223 transitions. [2023-11-23 21:16:33,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:16:33,262 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 [2023-11-23 21:16:33,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:16:33,326 INFO L225 Difference]: With dead ends: 5966 [2023-11-23 21:16:33,326 INFO L226 Difference]: Without dead ends: 3978 [2023-11-23 21:16:33,348 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 [2023-11-23 21:16:33,352 INFO L413 NwaCegarLoop]: 2740 mSDtfsCounter, 2873 mSDsluCounter, 2690 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2873 SdHoareTripleChecker+Valid, 5430 SdHoareTripleChecker+Invalid, 919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2023-11-23 21:16:33,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2873 Valid, 5430 Invalid, 919 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 905 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2023-11-23 21:16:33,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3978 states. [2023-11-23 21:16:33,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3978 to 3974. [2023-11-23 21:16:33,975 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) [2023-11-23 21:16:34,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3974 states to 3974 states and 5975 transitions. [2023-11-23 21:16:34,039 INFO L78 Accepts]: Start accepts. Automaton has 3974 states and 5975 transitions. Word has length 724 [2023-11-23 21:16:34,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:16:34,048 INFO L495 AbstractCegarLoop]: Abstraction has 3974 states and 5975 transitions. [2023-11-23 21:16:34,049 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) [2023-11-23 21:16:34,049 INFO L276 IsEmpty]: Start isEmpty. Operand 3974 states and 5975 transitions. [2023-11-23 21:16:34,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 733 [2023-11-23 21:16:34,093 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:16:34,094 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] [2023-11-23 21:16:34,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:16:34,095 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)] === [2023-11-23 21:16:34,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:16:34,097 INFO L85 PathProgramCache]: Analyzing trace with hash 2131667492, now seen corresponding path program 1 times [2023-11-23 21:16:34,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:16:34,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589309707] [2023-11-23 21:16:34,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:16:34,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:16:34,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:16:35,743 INFO L134 CoverageAnalysis]: Checked inductivity of 19460 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19460 trivial. 0 not checked. [2023-11-23 21:16:35,743 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:16:35,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589309707] [2023-11-23 21:16:35,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589309707] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:16:35,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:16:35,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:16:35,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829546439] [2023-11-23 21:16:35,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:16:35,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:16:35,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:16:35,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:16:35,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:16:35,754 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) [2023-11-23 21:16:38,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:40,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:43,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:45,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:47,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:49,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:49,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:16:49,808 INFO L93 Difference]: Finished difference Result 9730 states and 14630 transitions. [2023-11-23 21:16:49,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:16:49,809 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 [2023-11-23 21:16:49,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:16:49,878 INFO L225 Difference]: With dead ends: 9730 [2023-11-23 21:16:49,878 INFO L226 Difference]: Without dead ends: 5897 [2023-11-23 21:16:49,903 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 [2023-11-23 21:16:49,908 INFO L413 NwaCegarLoop]: 2717 mSDtfsCounter, 2887 mSDsluCounter, 2694 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 7 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2887 SdHoareTripleChecker+Valid, 5411 SdHoareTripleChecker+Invalid, 900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:16:49,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2887 Valid, 5411 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 888 Invalid, 5 Unknown, 0 Unchecked, 13.6s Time] [2023-11-23 21:16:49,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5897 states. [2023-11-23 21:16:50,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5897 to 5877. [2023-11-23 21:16:50,426 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) [2023-11-23 21:16:50,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5877 states to 5877 states and 8835 transitions. [2023-11-23 21:16:50,470 INFO L78 Accepts]: Start accepts. Automaton has 5877 states and 8835 transitions. Word has length 732 [2023-11-23 21:16:50,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:16:50,472 INFO L495 AbstractCegarLoop]: Abstraction has 5877 states and 8835 transitions. [2023-11-23 21:16:50,472 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) [2023-11-23 21:16:50,472 INFO L276 IsEmpty]: Start isEmpty. Operand 5877 states and 8835 transitions. [2023-11-23 21:16:50,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 742 [2023-11-23 21:16:50,488 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:16:50,489 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] [2023-11-23 21:16:50,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:16:50,489 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)] === [2023-11-23 21:16:50,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:16:50,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1285209999, now seen corresponding path program 1 times [2023-11-23 21:16:50,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:16:50,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242017103] [2023-11-23 21:16:50,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:16:50,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:16:50,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:16:51,546 INFO L134 CoverageAnalysis]: Checked inductivity of 19460 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19460 trivial. 0 not checked. [2023-11-23 21:16:51,546 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:16:51,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242017103] [2023-11-23 21:16:51,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242017103] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:16:51,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:16:51,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:16:51,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135565339] [2023-11-23 21:16:51,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:16:51,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:16:51,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:16:51,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:16:51,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:16:51,552 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) [2023-11-23 21:16:54,552 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 []