./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-wl1273.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62eb845f-32d2-4933-8e67-6fb5ad4baa89/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62eb845f-32d2-4933-8e67-6fb5ad4baa89/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_62eb845f-32d2-4933-8e67-6fb5ad4baa89/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62eb845f-32d2-4933-8e67-6fb5ad4baa89/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-wl1273.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62eb845f-32d2-4933-8e67-6fb5ad4baa89/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_62eb845f-32d2-4933-8e67-6fb5ad4baa89/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 32856f5d0c4b3619f0ce02a20f79c0968570d5a120f36f7531c35cd4321618ba --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:54:47,918 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:54:48,035 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62eb845f-32d2-4933-8e67-6fb5ad4baa89/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:54:48,040 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:54:48,046 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:54:48,087 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:54:48,088 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:54:48,089 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:54:48,090 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:54:48,095 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:54:48,096 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:54:48,097 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:54:48,098 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:54:48,099 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:54:48,100 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:54:48,100 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:54:48,101 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:54:48,101 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:54:48,102 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:54:48,102 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:54:48,103 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:54:48,103 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:54:48,104 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:54:48,105 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:54:48,105 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:54:48,106 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:54:48,106 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:54:48,107 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:54:48,107 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:54:48,108 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:54:48,109 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:54:48,109 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:54:48,110 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:54:48,110 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:54:48,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:54:48,111 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:54:48,111 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:54:48,111 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:54:48,111 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:54:48,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:54:48,113 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:54:48,113 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:54:48,113 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:54:48,114 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:54:48,114 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_62eb845f-32d2-4933-8e67-6fb5ad4baa89/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62eb845f-32d2-4933-8e67-6fb5ad4baa89/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32856f5d0c4b3619f0ce02a20f79c0968570d5a120f36f7531c35cd4321618ba [2023-11-24 23:54:48,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:54:48,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:54:48,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:54:48,410 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:54:48,410 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:54:48,411 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62eb845f-32d2-4933-8e67-6fb5ad4baa89/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-wl1273.cil.i [2023-11-24 23:54:51,489 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:54:52,330 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:54:52,330 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62eb845f-32d2-4933-8e67-6fb5ad4baa89/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-wl1273.cil.i [2023-11-24 23:54:52,380 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62eb845f-32d2-4933-8e67-6fb5ad4baa89/bin/utaipan-verify-SwPr7d2a91/data/014b5a50a/112b078b3ac74e68903cace50986fb15/FLAG828d15efd [2023-11-24 23:54:52,395 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62eb845f-32d2-4933-8e67-6fb5ad4baa89/bin/utaipan-verify-SwPr7d2a91/data/014b5a50a/112b078b3ac74e68903cace50986fb15 [2023-11-24 23:54:52,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:54:52,400 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:54:52,401 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:54:52,402 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:54:52,408 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:54:52,408 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:54:52" (1/1) ... [2023-11-24 23:54:52,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e54be4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:52, skipping insertion in model container [2023-11-24 23:54:52,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:54:52" (1/1) ... [2023-11-24 23:54:52,605 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:54:55,591 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_62eb845f-32d2-4933-8e67-6fb5ad4baa89/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-wl1273.cil.i[353824,353837] [2023-11-24 23:54:55,599 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_62eb845f-32d2-4933-8e67-6fb5ad4baa89/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-wl1273.cil.i[353990,354003] [2023-11-24 23:54:55,600 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_62eb845f-32d2-4933-8e67-6fb5ad4baa89/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-wl1273.cil.i[354154,354167] [2023-11-24 23:54:55,606 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_62eb845f-32d2-4933-8e67-6fb5ad4baa89/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-wl1273.cil.i[354319,354332] [2023-11-24 23:54:55,621 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:54:55,677 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:54:56,347 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_62eb845f-32d2-4933-8e67-6fb5ad4baa89/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-wl1273.cil.i[353824,353837] [2023-11-24 23:54:56,347 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_62eb845f-32d2-4933-8e67-6fb5ad4baa89/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-wl1273.cil.i[353990,354003] [2023-11-24 23:54:56,348 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_62eb845f-32d2-4933-8e67-6fb5ad4baa89/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-wl1273.cil.i[354154,354167] [2023-11-24 23:54:56,349 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_62eb845f-32d2-4933-8e67-6fb5ad4baa89/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-wl1273.cil.i[354319,354332] [2023-11-24 23:54:56,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:54:56,512 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:54:56,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:56 WrapperNode [2023-11-24 23:54:56,513 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:54:56,514 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:54:56,514 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:54:56,515 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:54:56,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:56" (1/1) ... [2023-11-24 23:54:56,674 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:56" (1/1) ... [2023-11-24 23:54:57,771 INFO L138 Inliner]: procedures = 349, calls = 5107, calls flagged for inlining = 214, calls inlined = 201, statements flattened = 11033 [2023-11-24 23:54:57,772 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:54:57,773 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:54:57,773 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:54:57,773 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:54:57,783 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:56" (1/1) ... [2023-11-24 23:54:57,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:56" (1/1) ... [2023-11-24 23:54:58,430 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:56" (1/1) ... [2023-11-24 23:54:58,437 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:56" (1/1) ... [2023-11-24 23:54:59,492 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:56" (1/1) ... [2023-11-24 23:54:59,529 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:56" (1/1) ... [2023-11-24 23:54:59,558 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:56" (1/1) ... [2023-11-24 23:54:59,581 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:56" (1/1) ... [2023-11-24 23:54:59,645 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:54:59,646 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:54:59,646 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:54:59,646 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:54:59,647 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:56" (1/1) ... [2023-11-24 23:54:59,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:54:59,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62eb845f-32d2-4933-8e67-6fb5ad4baa89/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:54:59,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62eb845f-32d2-4933-8e67-6fb5ad4baa89/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:54:59,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62eb845f-32d2-4933-8e67-6fb5ad4baa89/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:54:59,740 INFO L130 BoogieDeclarations]: Found specification of procedure wl1273_fm_radio_driver_exit [2023-11-24 23:54:59,740 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1273_fm_radio_driver_exit [2023-11-24 23:54:59,740 INFO L130 BoogieDeclarations]: Found specification of procedure wl1273_fm_radio_remove [2023-11-24 23:54:59,740 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1273_fm_radio_remove [2023-11-24 23:54:59,740 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-24 23:54:59,741 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-24 23:54:59,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:54:59,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:54:59,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-24 23:54:59,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-24 23:54:59,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-24 23:54:59,742 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-24 23:54:59,742 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2023-11-24 23:54:59,743 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2023-11-24 23:54:59,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:54:59,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:54:59,743 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-24 23:54:59,743 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-24 23:54:59,743 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2023-11-24 23:54:59,744 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2023-11-24 23:54:59,745 INFO L130 BoogieDeclarations]: Found specification of procedure wl1273_vdev_release [2023-11-24 23:54:59,745 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1273_vdev_release [2023-11-24 23:54:59,745 INFO L130 BoogieDeclarations]: Found specification of procedure wl1273_fm_fops_poll [2023-11-24 23:54:59,746 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1273_fm_fops_poll [2023-11-24 23:54:59,746 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2023-11-24 23:54:59,746 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2023-11-24 23:54:59,746 INFO L130 BoogieDeclarations]: Found specification of procedure wl1273_fm_radio_probe [2023-11-24 23:54:59,747 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1273_fm_radio_probe [2023-11-24 23:54:59,747 INFO L130 BoogieDeclarations]: Found specification of procedure wl1273_fm_vidioc_log_status [2023-11-24 23:54:59,747 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1273_fm_vidioc_log_status [2023-11-24 23:54:59,747 INFO L130 BoogieDeclarations]: Found specification of procedure wl1273_fm_vidioc_s_ctrl [2023-11-24 23:54:59,747 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1273_fm_vidioc_s_ctrl [2023-11-24 23:54:59,747 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~int [2023-11-24 23:54:59,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~int [2023-11-24 23:54:59,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-24 23:54:59,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-24 23:54:59,748 INFO L130 BoogieDeclarations]: Found specification of procedure wl1273_fm_stop [2023-11-24 23:54:59,748 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1273_fm_stop [2023-11-24 23:54:59,748 INFO L130 BoogieDeclarations]: Found specification of procedure wl1273_fm_fops_release [2023-11-24 23:54:59,749 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1273_fm_fops_release [2023-11-24 23:54:59,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_wl1273_fm_radio_driver_exit_10_2 [2023-11-24 23:54:59,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_wl1273_fm_radio_driver_exit_10_2 [2023-11-24 23:54:59,749 INFO L130 BoogieDeclarations]: Found specification of procedure reinit_completion [2023-11-24 23:54:59,749 INFO L138 BoogieDeclarations]: Found implementation of procedure reinit_completion [2023-11-24 23:54:59,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:54:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_wl1273_core [2023-11-24 23:54:59,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_wl1273_core [2023-11-24 23:54:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure wl1273_fm_set_tx_freq [2023-11-24 23:54:59,750 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1273_fm_set_tx_freq [2023-11-24 23:54:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:54:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-24 23:54:59,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-24 23:54:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2023-11-24 23:54:59,751 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2023-11-24 23:54:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-24 23:54:59,752 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-24 23:54:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2023-11-24 23:54:59,753 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2023-11-24 23:54:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-24 23:54:59,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-24 23:54:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-24 23:54:59,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-24 23:54:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2023-11-24 23:54:59,755 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2023-11-24 23:54:59,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_wl1273_core [2023-11-24 23:54:59,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_wl1273_core [2023-11-24 23:54:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:54:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure wl1273_fm_set_rx_freq [2023-11-24 23:54:59,756 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1273_fm_set_rx_freq [2023-11-24 23:54:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:54:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-24 23:54:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-24 23:54:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-24 23:54:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-24 23:54:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure wl1273_fm_fops_open [2023-11-24 23:54:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1273_fm_fops_open [2023-11-24 23:54:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-24 23:54:59,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-24 23:54:59,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-24 23:54:59,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-24 23:54:59,759 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u16~0~TO~int [2023-11-24 23:54:59,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u16~0~TO~int [2023-11-24 23:54:59,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:54:59,759 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-24 23:54:59,759 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-24 23:54:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-24 23:54:59,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-24 23:54:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:54:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-24 23:54:59,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-24 23:54:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-24 23:54:59,760 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-24 23:54:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:54:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-24 23:54:59,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-24 23:54:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure wl1273_fm_g_volatile_ctrl [2023-11-24 23:54:59,761 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1273_fm_g_volatile_ctrl [2023-11-24 23:54:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_lock_of_wl1273_core [2023-11-24 23:54:59,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_lock_of_wl1273_core [2023-11-24 23:54:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-24 23:54:59,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-24 23:54:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure wl1273_fm_set_mode [2023-11-24 23:54:59,762 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1273_fm_set_mode [2023-11-24 23:54:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-24 23:54:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-24 23:54:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-24 23:54:59,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-24 23:54:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:54:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-24 23:54:59,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-24 23:54:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2023-11-24 23:54:59,764 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2023-11-24 23:54:59,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:54:59,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:54:59,766 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2023-11-24 23:54:59,766 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2023-11-24 23:54:59,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:54:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure wl1273_fm_fops_write [2023-11-24 23:54:59,767 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1273_fm_fops_write [2023-11-24 23:54:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2023-11-24 23:54:59,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2023-11-24 23:54:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-24 23:54:59,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-24 23:54:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-24 23:54:59,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-24 23:54:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-24 23:54:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-24 23:54:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2023-11-24 23:54:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2023-11-24 23:54:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-11-24 23:54:59,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-11-24 23:54:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-11-24 23:54:59,770 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-11-24 23:54:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure wl1273_fm_set_rds [2023-11-24 23:54:59,770 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1273_fm_set_rds [2023-11-24 23:54:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:54:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-24 23:54:59,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-24 23:54:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:54:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:54:59,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:54:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-24 23:54:59,777 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-24 23:54:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:54:59,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:54:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-24 23:54:59,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-24 23:54:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-24 23:54:59,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-24 23:54:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2023-11-24 23:54:59,779 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2023-11-24 23:54:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-24 23:54:59,780 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-24 23:54:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-24 23:54:59,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-24 23:54:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-24 23:54:59,780 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-24 23:54:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:54:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-24 23:54:59,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-24 23:54:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:54:59,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:55:00,902 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:55:00,906 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:55:01,152 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-24 23:55:24,944 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-24 23:55:25,745 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:55:27,778 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:55:27,779 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:55:27,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:55:27 BoogieIcfgContainer [2023-11-24 23:55:27,784 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:55:27,788 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:55:27,789 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:55:27,792 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:55:27,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:54:52" (1/3) ... [2023-11-24 23:55:27,794 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31990093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:55:27, skipping insertion in model container [2023-11-24 23:55:27,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:56" (2/3) ... [2023-11-24 23:55:27,796 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31990093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:55:27, skipping insertion in model container [2023-11-24 23:55:27,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:55:27" (3/3) ... [2023-11-24 23:55:27,798 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-wl1273.cil.i [2023-11-24 23:55:27,819 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:55:27,819 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-24 23:55:27,941 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:55:27,952 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;@6145b1f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:55:27,952 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-24 23:55:27,968 INFO L276 IsEmpty]: Start isEmpty. Operand has 2267 states, 1469 states have (on average 1.3424098025867937) internal successors, (1972), 1475 states have internal predecessors, (1972), 723 states have call successors, (723), 73 states have call predecessors, (723), 72 states have return successors, (713), 713 states have call predecessors, (713), 713 states have call successors, (713) [2023-11-24 23:55:28,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2023-11-24 23:55:28,022 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:55:28,023 INFO L195 NwaCegarLoop]: trace histogram [24, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:55:28,025 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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-24 23:55:28,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:55:28,033 INFO L85 PathProgramCache]: Analyzing trace with hash -469414612, now seen corresponding path program 1 times [2023-11-24 23:55:28,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:55:28,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625042926] [2023-11-24 23:55:28,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:55:28,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:55:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:55:29,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2070 trivial. 0 not checked. [2023-11-24 23:55:29,642 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:55:29,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625042926] [2023-11-24 23:55:29,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625042926] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:55:29,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:55:29,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:55:29,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282765928] [2023-11-24 23:55:29,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:55:29,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:55:29,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:55:29,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:55:29,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:55:29,706 INFO L87 Difference]: Start difference. First operand has 2267 states, 1469 states have (on average 1.3424098025867937) internal successors, (1972), 1475 states have internal predecessors, (1972), 723 states have call successors, (723), 73 states have call predecessors, (723), 72 states have return successors, (713), 713 states have call predecessors, (713), 713 states have call successors, (713) Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-24 23:55:35,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []