./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 0e0057cc 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_bc8b7eff-8139-41e6-bfea-7367f7a154d6/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8b7eff-8139-41e6-bfea-7367f7a154d6/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8b7eff-8139-41e6-bfea-7367f7a154d6/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8b7eff-8139-41e6-bfea-7367f7a154d6/bin/utaipan-verify-SwPr7d2a91/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_bc8b7eff-8139-41e6-bfea-7367f7a154d6/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8b7eff-8139-41e6-bfea-7367f7a154d6/bin/utaipan-verify-SwPr7d2a91 --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 0.2.4-dev-0e0057c [2023-11-24 23:52:59,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:52:59,608 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8b7eff-8139-41e6-bfea-7367f7a154d6/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:52:59,622 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:52:59,622 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:52:59,691 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:52:59,692 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:52:59,693 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:52:59,694 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:52:59,700 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:52:59,701 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:52:59,702 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:52:59,702 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:52:59,704 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:52:59,705 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:52:59,705 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:52:59,706 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:52:59,706 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:52:59,707 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:52:59,707 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:52:59,708 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:52:59,708 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:52:59,710 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:52:59,710 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:52:59,711 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:52:59,711 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:52:59,711 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:52:59,720 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:52:59,720 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:52:59,721 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:52:59,722 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:52:59,723 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:52:59,723 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:52:59,723 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:52:59,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:52:59,724 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:52:59,724 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:52:59,724 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:52:59,725 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:52:59,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:52:59,725 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:52:59,726 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:52:59,726 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:52:59,726 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:52:59,727 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_bc8b7eff-8139-41e6-bfea-7367f7a154d6/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8b7eff-8139-41e6-bfea-7367f7a154d6/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c72fad0f4736d2d4eb53bca18880400af0864c4b127cd0e90e1329def3f1884 [2023-11-24 23:53:00,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:53:00,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:53:00,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:53:00,140 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:53:00,141 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:53:00,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8b7eff-8139-41e6-bfea-7367f7a154d6/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i [2023-11-24 23:53:03,410 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:53:04,138 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:53:04,139 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8b7eff-8139-41e6-bfea-7367f7a154d6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i [2023-11-24 23:53:04,188 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8b7eff-8139-41e6-bfea-7367f7a154d6/bin/utaipan-verify-SwPr7d2a91/data/573c15b29/0a9dab17fa5e4425949d9f8b2cf250e9/FLAG570a085f7 [2023-11-24 23:53:04,204 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8b7eff-8139-41e6-bfea-7367f7a154d6/bin/utaipan-verify-SwPr7d2a91/data/573c15b29/0a9dab17fa5e4425949d9f8b2cf250e9 [2023-11-24 23:53:04,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:53:04,208 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:53:04,210 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:53:04,210 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:53:04,216 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:53:04,217 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:53:04" (1/1) ... [2023-11-24 23:53:04,218 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d1c3a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:04, skipping insertion in model container [2023-11-24 23:53:04,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:53:04" (1/1) ... [2023-11-24 23:53:04,400 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:53:07,453 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_bc8b7eff-8139-41e6-bfea-7367f7a154d6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379788,379801] [2023-11-24 23:53:07,458 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_bc8b7eff-8139-41e6-bfea-7367f7a154d6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379954,379967] [2023-11-24 23:53:07,459 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_bc8b7eff-8139-41e6-bfea-7367f7a154d6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380118,380131] [2023-11-24 23:53:07,459 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_bc8b7eff-8139-41e6-bfea-7367f7a154d6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380283,380296] [2023-11-24 23:53:07,493 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:53:07,594 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:53:07,732 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] [2023-11-24 23:53:08,031 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_bc8b7eff-8139-41e6-bfea-7367f7a154d6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379788,379801] [2023-11-24 23:53:08,032 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_bc8b7eff-8139-41e6-bfea-7367f7a154d6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379954,379967] [2023-11-24 23:53:08,033 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_bc8b7eff-8139-41e6-bfea-7367f7a154d6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380118,380131] [2023-11-24 23:53:08,033 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_bc8b7eff-8139-41e6-bfea-7367f7a154d6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380283,380296] [2023-11-24 23:53:08,039 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:53:08,275 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:53:08,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:08 WrapperNode [2023-11-24 23:53:08,276 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:53:08,277 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:53:08,278 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:53:08,278 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:53:08,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:08" (1/1) ... [2023-11-24 23:53:08,496 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:08" (1/1) ... [2023-11-24 23:53:08,804 INFO L138 Inliner]: procedures = 413, calls = 2533, calls flagged for inlining = 244, calls inlined = 231, statements flattened = 7269 [2023-11-24 23:53:08,804 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:53:08,805 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:53:08,805 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:53:08,806 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:53:08,815 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:08" (1/1) ... [2023-11-24 23:53:08,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:08" (1/1) ... [2023-11-24 23:53:08,888 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:08" (1/1) ... [2023-11-24 23:53:08,889 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:08" (1/1) ... [2023-11-24 23:53:09,182 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:08" (1/1) ... [2023-11-24 23:53:09,223 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:08" (1/1) ... [2023-11-24 23:53:09,272 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:08" (1/1) ... [2023-11-24 23:53:09,305 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:08" (1/1) ... [2023-11-24 23:53:09,351 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:53:09,353 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:53:09,353 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:53:09,355 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:53:09,355 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:08" (1/1) ... [2023-11-24 23:53:09,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:53:09,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8b7eff-8139-41e6-bfea-7367f7a154d6/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:53:09,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8b7eff-8139-41e6-bfea-7367f7a154d6/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:53:09,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8b7eff-8139-41e6-bfea-7367f7a154d6/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:53:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_has_diversity [2023-11-24 23:53:09,433 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_has_diversity [2023-11-24 23:53:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-24 23:53:09,433 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-24 23:53:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_acf_status [2023-11-24 23:53:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:53:09,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:53:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_s_ctrl [2023-11-24 23:53:09,434 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_s_ctrl [2023-11-24 23:53:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-24 23:53:09,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-24 23:53:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_probe [2023-11-24 23:53:09,435 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_probe [2023-11-24 23:53:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_am_acf_status [2023-11-24 23:53:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_phase_div_status [2023-11-24 23:53:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-24 23:53:09,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-24 23:53:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2023-11-24 23:53:09,436 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2023-11-24 23:53:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-24 23:53:09,436 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-24 23:53:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_lock [2023-11-24 23:53:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_lock [2023-11-24 23:53:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-24 23:53:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-24 23:53:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-24 23:53:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-24 23:53:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_read_acf_blob [2023-11-24 23:53:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_read_acf_blob [2023-11-24 23:53:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:53:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_rsq_status [2023-11-24 23:53:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:53:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2023-11-24 23:53:09,439 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2023-11-24 23:53:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:53:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-24 23:53:09,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-24 23:53:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_remove [2023-11-24 23:53:09,440 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_remove [2023-11-24 23:53:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:53:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-24 23:53:09,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-24 23:53:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-24 23:53:09,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-24 23:53:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2023-11-24 23:53:09,441 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2023-11-24 23:53:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_has_am [2023-11-24 23:53:09,442 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_has_am [2023-11-24 23:53:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_fops_read [2023-11-24 23:53:09,442 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_fops_read [2023-11-24 23:53:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2023-11-24 23:53:09,442 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2023-11-24 23:53:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_s_tuner [2023-11-24 23:53:09,443 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_s_tuner [2023-11-24 23:53:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_change_func [2023-11-24 23:53:09,443 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_change_func [2023-11-24 23:53:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_s_frequency [2023-11-24 23:53:09,444 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_s_frequency [2023-11-24 23:53:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:53:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-24 23:53:09,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-24 23:53:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-24 23:53:09,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-24 23:53:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-24 23:53:09,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-24 23:53:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2023-11-24 23:53:09,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2023-11-24 23:53:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-11-24 23:53:09,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-11-24 23:53:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_6 [2023-11-24 23:53:09,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_6 [2023-11-24 23:53:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:53:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_to_v4l2 [2023-11-24 23:53:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_to_v4l2 [2023-11-24 23:53:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_querycap [2023-11-24 23:53:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_querycap [2023-11-24 23:53:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-24 23:53:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-24 23:53:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:53:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:53:09,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:53:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:53:09,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:53:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_s_register [2023-11-24 23:53:09,449 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_s_register [2023-11-24 23:53:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cmd_lock_of_si476x_core [2023-11-24 23:53:09,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cmd_lock_of_si476x_core [2023-11-24 23:53:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_am_seek_start [2023-11-24 23:53:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_agc_status [2023-11-24 23:53:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_g_frequency [2023-11-24 23:53:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_g_frequency [2023-11-24 23:53:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2023-11-24 23:53:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2023-11-24 23:53:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_fops_open [2023-11-24 23:53:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_fops_open [2023-11-24 23:53:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:53:09,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:53:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_add_new_custom [2023-11-24 23:53:09,451 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_add_new_custom [2023-11-24 23:53:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-24 23:53:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-24 23:53:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:53:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:53:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-24 23:53:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-24 23:53:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_am_tune_freq [2023-11-24 23:53:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure regmap_read [2023-11-24 23:53:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure regmap_read [2023-11-24 23:53:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_is_in_am_receiver_mode [2023-11-24 23:53:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_is_in_am_receiver_mode [2023-11-24 23:53:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_to_radio [2023-11-24 23:53:09,454 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_to_radio [2023-11-24 23:53:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-24 23:53:09,454 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-24 23:53:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_read_rds_blckcnt_blob [2023-11-24 23:53:09,454 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_read_rds_blckcnt_blob [2023-11-24 23:53:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure regmap_update_bits [2023-11-24 23:53:09,455 INFO L138 BoogieDeclarations]: Found implementation of procedure regmap_update_bits [2023-11-24 23:53:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_enum_freq_bands [2023-11-24 23:53:09,455 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_enum_freq_bands [2023-11-24 23:53:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-24 23:53:09,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-24 23:53:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2023-11-24 23:53:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2023-11-24 23:53:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:53:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_rds_blockcount [2023-11-24 23:53:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_g_register [2023-11-24 23:53:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_g_register [2023-11-24 23:53:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:53:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_phase_diversity [2023-11-24 23:53:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_cmd_fm_phase_diversity [2023-11-24 23:53:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-24 23:53:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-24 23:53:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:53:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_to_si476x [2023-11-24 23:53:09,458 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_to_si476x [2023-11-24 23:53:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-24 23:53:09,458 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-24 23:53:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_do_post_powerup_init [2023-11-24 23:53:09,459 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_do_post_powerup_init [2023-11-24 23:53:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure regmap_write [2023-11-24 23:53:09,459 INFO L138 BoogieDeclarations]: Found implementation of procedure regmap_write [2023-11-24 23:53:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_seek_start [2023-11-24 23:53:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2023-11-24 23:53:09,460 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2023-11-24 23:53:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-24 23:53:09,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-24 23:53:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2023-11-24 23:53:09,460 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2023-11-24 23:53:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release_empty [2023-11-24 23:53:09,461 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release_empty [2023-11-24 23:53:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_read_rsq_blob [2023-11-24 23:53:09,461 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_read_rsq_blob [2023-11-24 23:53:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_range_is_inside_of_the_band [2023-11-24 23:53:09,461 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_range_is_inside_of_the_band [2023-11-24 23:53:09,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-24 23:53:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-24 23:53:09,462 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_set_power_state [2023-11-24 23:53:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_set_power_state [2023-11-24 23:53:09,462 INFO L130 BoogieDeclarations]: Found specification of procedure regcache_cache_only [2023-11-24 23:53:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure regcache_cache_only [2023-11-24 23:53:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-24 23:53:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-24 23:53:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2023-11-24 23:53:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2023-11-24 23:53:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_fops_release [2023-11-24 23:53:09,464 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_fops_release [2023-11-24 23:53:09,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:53:09,464 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_s_hw_freq_seek [2023-11-24 23:53:09,464 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_s_hw_freq_seek [2023-11-24 23:53:09,464 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_read_rsq_primary_blob [2023-11-24 23:53:09,464 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_read_rsq_primary_blob [2023-11-24 23:53:09,465 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_read_agc_blob [2023-11-24 23:53:09,465 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_read_agc_blob [2023-11-24 23:53:09,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:53:09,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:53:09,465 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std_menu [2023-11-24 23:53:09,465 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std_menu [2023-11-24 23:53:09,466 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_g_tuner [2023-11-24 23:53:09,466 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_g_tuner [2023-11-24 23:53:09,466 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_stop [2023-11-24 23:53:09,466 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_stop [2023-11-24 23:53:09,466 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_fops_poll [2023-11-24 23:53:09,466 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_fops_poll [2023-11-24 23:53:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_tune_freq [2023-11-24 23:53:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_si476x_radio_driver_exit_17_2 [2023-11-24 23:53:09,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_si476x_radio_driver_exit_17_2 [2023-11-24 23:53:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_is_a_secondary_tuner [2023-11-24 23:53:09,467 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_is_a_secondary_tuner [2023-11-24 23:53:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2023-11-24 23:53:09,468 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2023-11-24 23:53:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-24 23:53:09,468 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-24 23:53:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_is_singular_file [2023-11-24 23:53:09,468 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_is_singular_file [2023-11-24 23:53:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-24 23:53:09,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-24 23:53:09,469 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_unlock [2023-11-24 23:53:09,469 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_core_unlock [2023-11-24 23:53:09,469 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_release [2023-11-24 23:53:09,469 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_release [2023-11-24 23:53:09,469 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-24 23:53:09,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-24 23:53:09,470 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2023-11-24 23:53:09,470 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2023-11-24 23:53:09,470 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_g_volatile_ctrl [2023-11-24 23:53:09,470 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_g_volatile_ctrl [2023-11-24 23:53:09,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:53:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure regcache_sync_region [2023-11-24 23:53:09,471 INFO L138 BoogieDeclarations]: Found implementation of procedure regcache_sync_region [2023-11-24 23:53:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_am_rsq_status [2023-11-24 23:53:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-24 23:53:09,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-24 23:53:10,698 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:53:10,705 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:53:10,936 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-24 23:53:18,927 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-24 23:53:19,111 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:53:21,018 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:53:21,018 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:53:21,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:53:21 BoogieIcfgContainer [2023-11-24 23:53:21,021 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:53:21,024 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:53:21,025 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:53:21,028 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:53:21,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:53:04" (1/3) ... [2023-11-24 23:53:21,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c7c74de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:53:21, skipping insertion in model container [2023-11-24 23:53:21,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:08" (2/3) ... [2023-11-24 23:53:21,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c7c74de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:53:21, skipping insertion in model container [2023-11-24 23:53:21,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:53:21" (3/3) ... [2023-11-24 23:53:21,034 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i [2023-11-24 23:53:21,055 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:53:21,055 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-24 23:53:21,191 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:53:21,198 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;@38f08762, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:53:21,198 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-24 23:53:21,212 INFO L276 IsEmpty]: Start isEmpty. Operand has 2116 states, 1308 states have (on average 1.353211009174312) internal successors, (1770), 1311 states have internal predecessors, (1770), 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) [2023-11-24 23:53:21,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 726 [2023-11-24 23:53:21,279 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:53:21,280 INFO L195 NwaCegarLoop]: trace histogram [71, 70, 70, 70, 70, 70, 70, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:53:21,281 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)] === [2023-11-24 23:53:21,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:53:21,287 INFO L85 PathProgramCache]: Analyzing trace with hash -58401687, now seen corresponding path program 1 times [2023-11-24 23:53:21,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:53:21,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414446877] [2023-11-24 23:53:21,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:53:21,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:53:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:53:23,626 INFO L134 CoverageAnalysis]: Checked inductivity of 19463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19463 trivial. 0 not checked. [2023-11-24 23:53:23,626 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:53:23,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414446877] [2023-11-24 23:53:23,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414446877] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:53:23,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:53:23,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:53:23,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567280267] [2023-11-24 23:53:23,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:53:23,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:53:23,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:53:23,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:53:23,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:53:23,690 INFO L87 Difference]: Start difference. First operand has 2116 states, 1308 states have (on average 1.353211009174312) internal successors, (1770), 1311 states have internal predecessors, (1770), 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 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) [2023-11-24 23:53:26,503 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 [] [2023-11-24 23:53:28,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:53:31,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:53:33,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:53:35,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:53:37,676 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 [] [2023-11-24 23:53:38,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:53:38,020 INFO L93 Difference]: Finished difference Result 5972 states and 9229 transitions. [2023-11-24 23:53:38,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:53:38,028 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) Word has length 725 [2023-11-24 23:53:38,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:53:38,094 INFO L225 Difference]: With dead ends: 5972 [2023-11-24 23:53:38,095 INFO L226 Difference]: Without dead ends: 3982 [2023-11-24 23:53:38,118 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 [2023-11-24 23:53:38,122 INFO L413 NwaCegarLoop]: 2742 mSDtfsCounter, 2874 mSDsluCounter, 2692 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 13 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2874 SdHoareTripleChecker+Valid, 5434 SdHoareTripleChecker+Invalid, 921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2023-11-24 23:53:38,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2874 Valid, 5434 Invalid, 921 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 902 Invalid, 6 Unknown, 0 Unchecked, 13.8s Time] [2023-11-24 23:53:38,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3982 states. [2023-11-24 23:53:38,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3982 to 3978. [2023-11-24 23:53:38,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3978 states, 2492 states have (on average 1.3551364365971108) internal successors, (3377), 2497 states have internal predecessors, (3377), 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) [2023-11-24 23:53:38,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3978 states to 3978 states and 5979 transitions. [2023-11-24 23:53:38,595 INFO L78 Accepts]: Start accepts. Automaton has 3978 states and 5979 transitions. Word has length 725 [2023-11-24 23:53:38,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:53:38,606 INFO L495 AbstractCegarLoop]: Abstraction has 3978 states and 5979 transitions. [2023-11-24 23:53:38,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) [2023-11-24 23:53:38,606 INFO L276 IsEmpty]: Start isEmpty. Operand 3978 states and 5979 transitions. [2023-11-24 23:53:38,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 733 [2023-11-24 23:53:38,642 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:53:38,643 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] [2023-11-24 23:53:38,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:53:38,643 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)] === [2023-11-24 23:53:38,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:53:38,644 INFO L85 PathProgramCache]: Analyzing trace with hash -249185420, now seen corresponding path program 1 times [2023-11-24 23:53:38,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:53:38,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062932276] [2023-11-24 23:53:38,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:53:38,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:53:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:53:39,841 INFO L134 CoverageAnalysis]: Checked inductivity of 19460 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19460 trivial. 0 not checked. [2023-11-24 23:53:39,841 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:53:39,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062932276] [2023-11-24 23:53:39,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062932276] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:53:39,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:53:39,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:53:39,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810471941] [2023-11-24 23:53:39,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:53:39,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:53:39,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:53:39,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:53:39,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:53:39,848 INFO L87 Difference]: Start difference. First operand 3978 states and 5979 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) [2023-11-24 23:53:42,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:53:44,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:53:47,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:53:49,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:53:51,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:53:51,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:53:51,824 INFO L93 Difference]: Finished difference Result 9740 states and 14640 transitions. [2023-11-24 23:53:51,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:53:51,825 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 [2023-11-24 23:53:51,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:53:51,882 INFO L225 Difference]: With dead ends: 9740 [2023-11-24 23:53:51,882 INFO L226 Difference]: Without dead ends: 5903 [2023-11-24 23:53:51,905 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 [2023-11-24 23:53:51,906 INFO L413 NwaCegarLoop]: 2719 mSDtfsCounter, 2889 mSDsluCounter, 2696 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2889 SdHoareTripleChecker+Valid, 5415 SdHoareTripleChecker+Invalid, 899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2023-11-24 23:53:51,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2889 Valid, 5415 Invalid, 899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 889 Invalid, 3 Unknown, 0 Unchecked, 11.6s Time] [2023-11-24 23:53:51,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5903 states. [2023-11-24 23:53:52,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5903 to 5883. [2023-11-24 23:53:52,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5883 states, 3691 states have (on average 1.3570848008669738) internal successors, (5009), 3701 states have internal predecessors, (5009), 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) [2023-11-24 23:53:52,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5883 states to 5883 states and 8841 transitions. [2023-11-24 23:53:52,486 INFO L78 Accepts]: Start accepts. Automaton has 5883 states and 8841 transitions. Word has length 732 [2023-11-24 23:53:52,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:53:52,489 INFO L495 AbstractCegarLoop]: Abstraction has 5883 states and 8841 transitions. [2023-11-24 23:53:52,489 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) [2023-11-24 23:53:52,490 INFO L276 IsEmpty]: Start isEmpty. Operand 5883 states and 8841 transitions. [2023-11-24 23:53:52,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 742 [2023-11-24 23:53:52,505 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:53:52,506 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] [2023-11-24 23:53:52,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 23:53:52,506 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)] === [2023-11-24 23:53:52,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:53:52,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1083908461, now seen corresponding path program 1 times [2023-11-24 23:53:52,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:53:52,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854321254] [2023-11-24 23:53:52,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:53:52,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:53:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat