./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 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94f53da-dbb4-47af-b38c-b1969d440d6a/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94f53da-dbb4-47af-b38c-b1969d440d6a/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94f53da-dbb4-47af-b38c-b1969d440d6a/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94f53da-dbb4-47af-b38c-b1969d440d6a/bin/utaipan-verify-mE87zJ7Ire/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_d94f53da-dbb4-47af-b38c-b1969d440d6a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94f53da-dbb4-47af-b38c-b1969d440d6a/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 32856f5d0c4b3619f0ce02a20f79c0968570d5a120f36f7531c35cd4321618ba --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:15:44,498 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:15:44,620 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94f53da-dbb4-47af-b38c-b1969d440d6a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:15:44,634 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:15:44,635 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:15:44,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:15:44,681 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:15:44,682 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:15:44,683 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:15:44,689 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:15:44,689 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:15:44,690 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:15:44,690 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:15:44,692 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:15:44,693 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:15:44,693 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:15:44,694 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:15:44,694 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:15:44,695 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:15:44,695 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:15:44,696 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:15:44,696 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:15:44,698 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:15:44,698 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:15:44,698 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:15:44,699 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:15:44,699 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:15:44,700 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:15:44,700 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:15:44,701 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:15:44,702 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:15:44,703 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:15:44,703 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:15:44,703 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:15:44,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:44,704 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:15:44,704 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:15:44,704 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:15:44,705 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:15:44,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:15:44,705 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:15:44,706 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:15:44,706 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:15:44,706 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:15:44,707 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_d94f53da-dbb4-47af-b38c-b1969d440d6a/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94f53da-dbb4-47af-b38c-b1969d440d6a/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32856f5d0c4b3619f0ce02a20f79c0968570d5a120f36f7531c35cd4321618ba [2023-11-23 21:15:45,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:15:45,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:15:45,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:15:45,080 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:15:45,080 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:15:45,082 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94f53da-dbb4-47af-b38c-b1969d440d6a/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-wl1273.cil.i [2023-11-23 21:15:48,378 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:15:49,060 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:15:49,061 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94f53da-dbb4-47af-b38c-b1969d440d6a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-wl1273.cil.i [2023-11-23 21:15:49,149 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94f53da-dbb4-47af-b38c-b1969d440d6a/bin/utaipan-verify-mE87zJ7Ire/data/50b258bc0/e502102e69704ba2ba3bf32e61740490/FLAG03c9036e7 [2023-11-23 21:15:49,169 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94f53da-dbb4-47af-b38c-b1969d440d6a/bin/utaipan-verify-mE87zJ7Ire/data/50b258bc0/e502102e69704ba2ba3bf32e61740490 [2023-11-23 21:15:49,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:15:49,178 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:15:49,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:49,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:15:49,188 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:15:49,189 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:49" (1/1) ... [2023-11-23 21:15:49,191 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b110582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:49, skipping insertion in model container [2023-11-23 21:15:49,191 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:49" (1/1) ... [2023-11-23 21:15:49,412 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:15:52,595 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_d94f53da-dbb4-47af-b38c-b1969d440d6a/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] [2023-11-23 21:15:52,600 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_d94f53da-dbb4-47af-b38c-b1969d440d6a/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] [2023-11-23 21:15:52,601 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_d94f53da-dbb4-47af-b38c-b1969d440d6a/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] [2023-11-23 21:15:52,602 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_d94f53da-dbb4-47af-b38c-b1969d440d6a/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] [2023-11-23 21:15:52,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:52,666 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:15:53,396 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_d94f53da-dbb4-47af-b38c-b1969d440d6a/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] [2023-11-23 21:15:53,397 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_d94f53da-dbb4-47af-b38c-b1969d440d6a/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] [2023-11-23 21:15:53,397 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_d94f53da-dbb4-47af-b38c-b1969d440d6a/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] [2023-11-23 21:15:53,398 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_d94f53da-dbb4-47af-b38c-b1969d440d6a/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] [2023-11-23 21:15:53,402 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:53,541 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:15:53,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:53 WrapperNode [2023-11-23 21:15:53,542 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:53,543 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:53,544 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:15:53,544 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:15:53,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:53" (1/1) ... [2023-11-23 21:15:53,735 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:53" (1/1) ... [2023-11-23 21:15:55,088 INFO L138 Inliner]: procedures = 349, calls = 5107, calls flagged for inlining = 214, calls inlined = 201, statements flattened = 10825 [2023-11-23 21:15:55,094 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:55,095 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:15:55,096 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:15:55,096 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:15:55,106 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:53" (1/1) ... [2023-11-23 21:15:55,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:53" (1/1) ... [2023-11-23 21:15:55,628 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:53" (1/1) ... [2023-11-23 21:15:55,629 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:53" (1/1) ... [2023-11-23 21:15:56,910 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:53" (1/1) ... [2023-11-23 21:15:56,949 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:53" (1/1) ... [2023-11-23 21:15:56,980 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:53" (1/1) ... [2023-11-23 21:15:57,021 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:53" (1/1) ... [2023-11-23 21:15:57,081 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:15:57,083 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:15:57,083 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:15:57,084 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:15:57,085 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:53" (1/1) ... [2023-11-23 21:15:57,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:57,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94f53da-dbb4-47af-b38c-b1969d440d6a/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:57,124 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94f53da-dbb4-47af-b38c-b1969d440d6a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:15:57,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d94f53da-dbb4-47af-b38c-b1969d440d6a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:15:57,180 INFO L130 BoogieDeclarations]: Found specification of procedure wl1273_fm_radio_driver_exit [2023-11-23 21:15:57,181 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1273_fm_radio_driver_exit [2023-11-23 21:15:57,181 INFO L130 BoogieDeclarations]: Found specification of procedure wl1273_fm_radio_remove [2023-11-23 21:15:57,181 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1273_fm_radio_remove [2023-11-23 21:15:57,181 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-23 21:15:57,181 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-23 21:15:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:15:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:15:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:15:57,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:15:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:15:57,182 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:15:57,183 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2023-11-23 21:15:57,183 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2023-11-23 21:15:57,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:15:57,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:15:57,184 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 21:15:57,184 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 21:15:57,184 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2023-11-23 21:15:57,185 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2023-11-23 21:15:57,186 INFO L130 BoogieDeclarations]: Found specification of procedure wl1273_vdev_release [2023-11-23 21:15:57,186 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1273_vdev_release [2023-11-23 21:15:57,186 INFO L130 BoogieDeclarations]: Found specification of procedure wl1273_fm_fops_poll [2023-11-23 21:15:57,187 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1273_fm_fops_poll [2023-11-23 21:15:57,187 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2023-11-23 21:15:57,187 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2023-11-23 21:15:57,188 INFO L130 BoogieDeclarations]: Found specification of procedure wl1273_fm_radio_probe [2023-11-23 21:15:57,188 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1273_fm_radio_probe [2023-11-23 21:15:57,189 INFO L130 BoogieDeclarations]: Found specification of procedure wl1273_fm_vidioc_log_status [2023-11-23 21:15:57,189 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1273_fm_vidioc_log_status [2023-11-23 21:15:57,189 INFO L130 BoogieDeclarations]: Found specification of procedure wl1273_fm_vidioc_s_ctrl [2023-11-23 21:15:57,190 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1273_fm_vidioc_s_ctrl [2023-11-23 21:15:57,191 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~int [2023-11-23 21:15:57,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~int [2023-11-23 21:15:57,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-23 21:15:57,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-23 21:15:57,192 INFO L130 BoogieDeclarations]: Found specification of procedure wl1273_fm_stop [2023-11-23 21:15:57,192 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1273_fm_stop [2023-11-23 21:15:57,192 INFO L130 BoogieDeclarations]: Found specification of procedure wl1273_fm_fops_release [2023-11-23 21:15:57,192 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1273_fm_fops_release [2023-11-23 21:15:57,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_wl1273_fm_radio_driver_exit_10_2 [2023-11-23 21:15:57,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_wl1273_fm_radio_driver_exit_10_2 [2023-11-23 21:15:57,193 INFO L130 BoogieDeclarations]: Found specification of procedure reinit_completion [2023-11-23 21:15:57,193 INFO L138 BoogieDeclarations]: Found implementation of procedure reinit_completion [2023-11-23 21:15:57,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:15:57,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_wl1273_core [2023-11-23 21:15:57,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_wl1273_core [2023-11-23 21:15:57,194 INFO L130 BoogieDeclarations]: Found specification of procedure wl1273_fm_set_tx_freq [2023-11-23 21:15:57,194 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1273_fm_set_tx_freq [2023-11-23 21:15:57,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:15:57,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:15:57,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:15:57,195 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2023-11-23 21:15:57,195 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2023-11-23 21:15:57,195 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-23 21:15:57,196 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-23 21:15:57,197 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2023-11-23 21:15:57,197 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2023-11-23 21:15:57,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:15:57,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:15:57,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-23 21:15:57,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-23 21:15:57,199 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2023-11-23 21:15:57,199 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2023-11-23 21:15:57,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_wl1273_core [2023-11-23 21:15:57,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_wl1273_core [2023-11-23 21:15:57,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:15:57,200 INFO L130 BoogieDeclarations]: Found specification of procedure wl1273_fm_set_rx_freq [2023-11-23 21:15:57,200 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1273_fm_set_rx_freq [2023-11-23 21:15:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:15:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-23 21:15:57,201 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-23 21:15:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 21:15:57,201 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 21:15:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure wl1273_fm_fops_open [2023-11-23 21:15:57,202 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1273_fm_fops_open [2023-11-23 21:15:57,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:15:57,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:15:57,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-23 21:15:57,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-23 21:15:57,203 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u16~0~TO~int [2023-11-23 21:15:57,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u16~0~TO~int [2023-11-23 21:15:57,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:15:57,204 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-23 21:15:57,204 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-23 21:15:57,204 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-23 21:15:57,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-23 21:15:57,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:15:57,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:15:57,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:15:57,205 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-23 21:15:57,205 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-23 21:15:57,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:15:57,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-23 21:15:57,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-23 21:15:57,206 INFO L130 BoogieDeclarations]: Found specification of procedure wl1273_fm_g_volatile_ctrl [2023-11-23 21:15:57,206 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1273_fm_g_volatile_ctrl [2023-11-23 21:15:57,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_lock_of_wl1273_core [2023-11-23 21:15:57,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_lock_of_wl1273_core [2023-11-23 21:15:57,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 21:15:57,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 21:15:57,208 INFO L130 BoogieDeclarations]: Found specification of procedure wl1273_fm_set_mode [2023-11-23 21:15:57,208 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1273_fm_set_mode [2023-11-23 21:15:57,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 21:15:57,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 21:15:57,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-23 21:15:57,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-23 21:15:57,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:15:57,209 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-23 21:15:57,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-23 21:15:57,210 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2023-11-23 21:15:57,211 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2023-11-23 21:15:57,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:15:57,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:15:57,212 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2023-11-23 21:15:57,212 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2023-11-23 21:15:57,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:15:57,212 INFO L130 BoogieDeclarations]: Found specification of procedure wl1273_fm_fops_write [2023-11-23 21:15:57,213 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1273_fm_fops_write [2023-11-23 21:15:57,213 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2023-11-23 21:15:57,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2023-11-23 21:15:57,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-23 21:15:57,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-23 21:15:57,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 21:15:57,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 21:15:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-23 21:15:57,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-23 21:15:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2023-11-23 21:15:57,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2023-11-23 21:15:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-11-23 21:15:57,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-11-23 21:15:57,216 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-11-23 21:15:57,216 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-11-23 21:15:57,216 INFO L130 BoogieDeclarations]: Found specification of procedure wl1273_fm_set_rds [2023-11-23 21:15:57,217 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1273_fm_set_rds [2023-11-23 21:15:57,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:15:57,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:15:57,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:15:57,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:15:57,217 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:15:57,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:15:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-23 21:15:57,223 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-23 21:15:57,223 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:15:57,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:15:57,224 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-23 21:15:57,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-23 21:15:57,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:15:57,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:15:57,226 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2023-11-23 21:15:57,226 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2023-11-23 21:15:57,232 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-23 21:15:57,233 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-23 21:15:57,233 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-23 21:15:57,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-23 21:15:57,233 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-23 21:15:57,233 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-23 21:15:57,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:15:57,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:15:57,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:15:57,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:15:57,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:15:58,453 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:15:58,457 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:15:58,708 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:16:28,998 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 21:16:30,681 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:16:32,959 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:16:32,959 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:16:32,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:16:32 BoogieIcfgContainer [2023-11-23 21:16:32,964 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:16:32,969 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:16:32,969 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:16:32,973 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:16:32,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:15:49" (1/3) ... [2023-11-23 21:16:32,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23e8356e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:16:32, skipping insertion in model container [2023-11-23 21:16:32,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:53" (2/3) ... [2023-11-23 21:16:32,975 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23e8356e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:16:32, skipping insertion in model container [2023-11-23 21:16:32,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:16:32" (3/3) ... [2023-11-23 21:16:32,977 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-wl1273.cil.i [2023-11-23 21:16:32,998 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:16:32,998 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-23 21:16:33,124 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:16:33,134 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;@2815bd57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:16:33,134 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-23 21:16:33,151 INFO L276 IsEmpty]: Start isEmpty. Operand has 2264 states, 1466 states have (on average 1.3431105047748977) internal successors, (1969), 1472 states have internal predecessors, (1969), 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) [2023-11-23 21:16:33,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2023-11-23 21:16:33,207 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:16:33,209 INFO L195 NwaCegarLoop]: trace histogram [24, 23, 23, 23, 23, 23, 23, 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] [2023-11-23 21:16:33,210 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)] === [2023-11-23 21:16:33,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:16:33,218 INFO L85 PathProgramCache]: Analyzing trace with hash -2089360295, now seen corresponding path program 1 times [2023-11-23 21:16:33,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:16:33,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272350660] [2023-11-23 21:16:33,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:16:33,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:16:34,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat