./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-pci-cx88-cx8800.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_cc5971f0-6747-46b8-bf09-c0cb398fe41a/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5971f0-6747-46b8-bf09-c0cb398fe41a/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_cc5971f0-6747-46b8-bf09-c0cb398fe41a/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5971f0-6747-46b8-bf09-c0cb398fe41a/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-pci-cx88-cx8800.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5971f0-6747-46b8-bf09-c0cb398fe41a/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_cc5971f0-6747-46b8-bf09-c0cb398fe41a/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 4dc730f52c640d2c8e3cb7b93e5d1f8c1973029db6cd19ab3f75108e9e7f0634 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:39:35,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:39:35,965 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5971f0-6747-46b8-bf09-c0cb398fe41a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 20:39:35,974 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:39:35,975 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:39:36,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:39:36,027 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:39:36,028 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:39:36,029 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:39:36,030 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:39:36,030 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:39:36,031 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:39:36,032 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:39:36,032 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:39:36,033 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:39:36,033 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:39:36,034 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:39:36,035 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:39:36,035 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:39:36,036 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:39:36,036 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:39:36,037 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:39:36,038 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:39:36,038 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:39:36,039 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:39:36,039 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:39:36,040 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:39:36,040 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:39:36,040 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:39:36,041 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:39:36,041 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:39:36,042 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:39:36,042 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:39:36,043 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:39:36,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:39:36,044 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:39:36,044 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:39:36,045 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:39:36,045 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:39:36,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:39:36,046 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:39:36,047 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:39:36,047 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:39:36,047 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:39:36,047 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_cc5971f0-6747-46b8-bf09-c0cb398fe41a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5971f0-6747-46b8-bf09-c0cb398fe41a/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4dc730f52c640d2c8e3cb7b93e5d1f8c1973029db6cd19ab3f75108e9e7f0634 [2023-11-23 20:39:36,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:39:36,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:39:36,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:39:36,396 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:39:36,396 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:39:36,398 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5971f0-6747-46b8-bf09-c0cb398fe41a/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i [2023-11-23 20:39:39,589 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:39:40,388 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:39:40,389 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5971f0-6747-46b8-bf09-c0cb398fe41a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i [2023-11-23 20:39:40,453 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5971f0-6747-46b8-bf09-c0cb398fe41a/bin/utaipan-verify-mE87zJ7Ire/data/7ca979e80/1f2ad9723f29473f9c0469d058077fcc/FLAG28d732268 [2023-11-23 20:39:40,470 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5971f0-6747-46b8-bf09-c0cb398fe41a/bin/utaipan-verify-mE87zJ7Ire/data/7ca979e80/1f2ad9723f29473f9c0469d058077fcc [2023-11-23 20:39:40,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:39:40,480 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:39:40,484 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:39:40,484 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:39:40,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:39:40,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:39:40" (1/1) ... [2023-11-23 20:39:40,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ff2215e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:40, skipping insertion in model container [2023-11-23 20:39:40,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:39:40" (1/1) ... [2023-11-23 20:39:40,832 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:39:45,333 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_cc5971f0-6747-46b8-bf09-c0cb398fe41a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[570903,570916] [2023-11-23 20:39:45,338 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_cc5971f0-6747-46b8-bf09-c0cb398fe41a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571069,571082] [2023-11-23 20:39:45,339 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_cc5971f0-6747-46b8-bf09-c0cb398fe41a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571233,571246] [2023-11-23 20:39:45,340 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_cc5971f0-6747-46b8-bf09-c0cb398fe41a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571398,571411] [2023-11-23 20:39:45,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:39:45,552 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:39:45,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [7937] [2023-11-23 20:39:45,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [7944] [2023-11-23 20:39:45,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/media/pci/cx88/cx88-video.c"), "i" (341), "i" (12UL)); [8348-8349] [2023-11-23 20:39:45,929 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/media/pci/cx88/cx88-video.c"), "i" (543), "i" (12UL)); [8715-8716] [2023-11-23 20:39:45,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/media/pci/cx88/cx88-video.c"), "i" (602), "i" (12UL)); [8822-8823] [2023-11-23 20:39:45,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/media/pci/cx88/cx88-video.c"), "i" (698), "i" (12UL)); [8987-8988] [2023-11-23 20:39:45,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/media/pci/cx88/cx88-video.c"), "i" (713), "i" (12UL)); [9021-9022] [2023-11-23 20:39:46,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/media/pci/cx88/cx88-video.c"), "i" (814), "i" (12UL)); [9274-9275] [2023-11-23 20:39:46,541 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_cc5971f0-6747-46b8-bf09-c0cb398fe41a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[570903,570916] [2023-11-23 20:39:46,542 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_cc5971f0-6747-46b8-bf09-c0cb398fe41a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571069,571082] [2023-11-23 20:39:46,542 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_cc5971f0-6747-46b8-bf09-c0cb398fe41a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571233,571246] [2023-11-23 20:39:46,543 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_cc5971f0-6747-46b8-bf09-c0cb398fe41a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571398,571411] [2023-11-23 20:39:46,551 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:39:46,778 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:39:46,787 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:39:46,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:46 WrapperNode [2023-11-23 20:39:46,788 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:39:46,789 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:39:46,790 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:39:46,790 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:39:46,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:46" (1/1) ... [2023-11-23 20:39:46,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:46" (1/1) ... [2023-11-23 20:39:47,357 INFO L138 Inliner]: procedures = 489, calls = 4210, calls flagged for inlining = 274, calls inlined = 263, statements flattened = 9146 [2023-11-23 20:39:47,359 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:39:47,360 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:39:47,360 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:39:47,360 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:39:47,372 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:46" (1/1) ... [2023-11-23 20:39:47,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:46" (1/1) ... [2023-11-23 20:39:47,474 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:46" (1/1) ... [2023-11-23 20:39:47,487 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:46" (1/1) ... [2023-11-23 20:39:47,783 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:46" (1/1) ... [2023-11-23 20:39:47,822 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:46" (1/1) ... [2023-11-23 20:39:47,900 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:46" (1/1) ... [2023-11-23 20:39:47,923 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:46" (1/1) ... [2023-11-23 20:39:47,997 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:39:47,998 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:39:47,999 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:39:47,999 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:39:48,000 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:46" (1/1) ... [2023-11-23 20:39:48,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:39:48,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5971f0-6747-46b8-bf09-c0cb398fe41a/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:39:48,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5971f0-6747-46b8-bf09-c0cb398fe41a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:39:48,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5971f0-6747-46b8-bf09-c0cb398fe41a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:39:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure video_open [2023-11-23 20:39:48,090 INFO L138 BoogieDeclarations]: Found implementation of procedure video_open [2023-11-23 20:39:48,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 20:39:48,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 20:39:48,091 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamon [2023-11-23 20:39:48,091 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamon [2023-11-23 20:39:48,091 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_unregister_video [2023-11-23 20:39:48,092 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_unregister_video [2023-11-23 20:39:48,092 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_cap [2023-11-23 20:39:48,092 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_cap [2023-11-23 20:39:48,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 20:39:48,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 20:39:48,092 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_input [2023-11-23 20:39:48,093 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_input [2023-11-23 20:39:48,093 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2023-11-23 20:39:48,093 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2023-11-23 20:39:48,093 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap [2023-11-23 20:39:48,093 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap [2023-11-23 20:39:48,094 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 20:39:48,094 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 20:39:48,094 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_tvnorm [2023-11-23 20:39:48,094 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_tvnorm [2023-11-23 20:39:48,094 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_tvaudio [2023-11-23 20:39:48,095 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_tvaudio [2023-11-23 20:39:48,095 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_s_vid_ctrl [2023-11-23 20:39:48,095 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_s_vid_ctrl [2023-11-23 20:39:48,095 INFO L130 BoogieDeclarations]: Found specification of procedure res_free [2023-11-23 20:39:48,095 INFO L138 BoogieDeclarations]: Found implementation of procedure res_free [2023-11-23 20:39:48,095 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-23 20:39:48,096 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-23 20:39:48,096 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma [2023-11-23 20:39:48,096 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma [2023-11-23 20:39:48,096 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_shutdown [2023-11-23 20:39:48,096 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_shutdown [2023-11-23 20:39:48,096 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-23 20:39:48,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-23 20:39:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2023-11-23 20:39:48,097 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2023-11-23 20:39:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 20:39:48,097 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 20:39:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_newstation [2023-11-23 20:39:48,098 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_newstation [2023-11-23 20:39:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_std [2023-11-23 20:39:48,098 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_std [2023-11-23 20:39:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 20:39:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2023-11-23 20:39:48,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2023-11-23 20:39:48,099 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_vdev_init [2023-11-23 20:39:48,099 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_vdev_init [2023-11-23 20:39:48,099 INFO L130 BoogieDeclarations]: Found specification of procedure video_mmap [2023-11-23 20:39:48,099 INFO L138 BoogieDeclarations]: Found implementation of procedure video_mmap [2023-11-23 20:39:48,099 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-23 20:39:48,099 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-23 20:39:48,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 20:39:48,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 20:39:48,100 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-23 20:39:48,100 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-23 20:39:48,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2023-11-23 20:39:48,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2023-11-23 20:39:48,100 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2023-11-23 20:39:48,101 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2023-11-23 20:39:48,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 20:39:48,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 20:39:48,101 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_poll [2023-11-23 20:39:48,101 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_poll [2023-11-23 20:39:48,101 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_frequency [2023-11-23 20:39:48,102 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_frequency [2023-11-23 20:39:48,102 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf [2023-11-23 20:39:48,102 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf [2023-11-23 20:39:48,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-23 20:39:48,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-23 20:39:48,102 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 20:39:48,103 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 20:39:48,103 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_register [2023-11-23 20:39:48,103 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_register [2023-11-23 20:39:48,103 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2023-11-23 20:39:48,103 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2023-11-23 20:39:48,103 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_setup [2023-11-23 20:39:48,104 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_setup [2023-11-23 20:39:48,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:39:48,104 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_stereo [2023-11-23 20:39:48,104 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_stereo [2023-11-23 20:39:48,104 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_vbi_fmt [2023-11-23 20:39:48,104 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_vbi_fmt [2023-11-23 20:39:48,105 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-23 20:39:48,105 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-23 20:39:48,105 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_audio_thread [2023-11-23 20:39:48,105 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 20:39:48,105 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 20:39:48,105 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2023-11-23 20:39:48,106 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2023-11-23 20:39:48,106 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2023-11-23 20:39:48,106 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2023-11-23 20:39:48,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:39:48,106 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~int [2023-11-23 20:39:48,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~int [2023-11-23 20:39:48,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 20:39:48,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 20:39:48,107 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_restart_vbi_queue [2023-11-23 20:39:48,107 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_restart_vbi_queue [2023-11-23 20:39:48,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2023-11-23 20:39:48,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2023-11-23 20:39:48,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:39:48,108 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_finidev [2023-11-23 20:39:48,108 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_finidev [2023-11-23 20:39:48,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-23 20:39:48,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-23 20:39:48,108 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2023-11-23 20:39:48,108 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2023-11-23 20:39:48,108 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_querycap [2023-11-23 20:39:48,109 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_querycap [2023-11-23 20:39:48,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 20:39:48,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 20:39:48,109 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_freq [2023-11-23 20:39:48,109 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_freq [2023-11-23 20:39:48,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 20:39:48,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 20:39:48,110 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_s_aud_ctrl [2023-11-23 20:39:48,110 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_s_aud_ctrl [2023-11-23 20:39:48,110 INFO L130 BoogieDeclarations]: Found specification of procedure video_read [2023-11-23 20:39:48,110 INFO L138 BoogieDeclarations]: Found implementation of procedure video_read [2023-11-23 20:39:48,110 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-23 20:39:48,110 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-23 20:39:48,111 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_video_mux [2023-11-23 20:39:48,111 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_video_mux [2023-11-23 20:39:48,111 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 20:39:48,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 20:39:48,111 INFO L130 BoogieDeclarations]: Found specification of procedure video_is_registered [2023-11-23 20:39:48,111 INFO L138 BoogieDeclarations]: Found implementation of procedure video_is_registered [2023-11-23 20:39:48,112 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2023-11-23 20:39:48,112 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2023-11-23 20:39:48,112 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2023-11-23 20:39:48,112 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2023-11-23 20:39:48,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:39:48,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-23 20:39:48,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-23 20:39:48,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 20:39:48,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 20:39:48,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-23 20:39:48,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-23 20:39:48,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-23 20:39:48,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-23 20:39:48,114 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_sg_init [2023-11-23 20:39:48,114 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_sg_init [2023-11-23 20:39:48,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:39:48,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 20:39:48,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 20:39:48,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:39:48,115 INFO L130 BoogieDeclarations]: Found specification of procedure video_release [2023-11-23 20:39:48,115 INFO L138 BoogieDeclarations]: Found implementation of procedure video_release [2023-11-23 20:39:48,115 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 20:39:48,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 20:39:48,115 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 20:39:48,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 20:39:48,116 INFO L130 BoogieDeclarations]: Found specification of procedure restart_video_queue [2023-11-23 20:39:48,116 INFO L138 BoogieDeclarations]: Found implementation of procedure restart_video_queue [2023-11-23 20:39:48,116 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2023-11-23 20:39:48,116 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2023-11-23 20:39:48,116 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_wakeup [2023-11-23 20:39:48,116 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_wakeup [2023-11-23 20:39:48,116 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-23 20:39:48,117 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-23 20:39:48,117 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_s_ctrl [2023-11-23 20:39:48,117 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_s_ctrl [2023-11-23 20:39:48,117 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2023-11-23 20:39:48,117 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2023-11-23 20:39:48,117 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_enum_input [2023-11-23 20:39:48,117 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_enum_input [2023-11-23 20:39:48,118 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_dump [2023-11-23 20:39:48,118 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_dump [2023-11-23 20:39:48,118 INFO L130 BoogieDeclarations]: Found specification of procedure video_set_drvdata [2023-11-23 20:39:48,118 INFO L138 BoogieDeclarations]: Found implementation of procedure video_set_drvdata [2023-11-23 20:39:48,118 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_tuner [2023-11-23 20:39:48,118 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_tuner [2023-11-23 20:39:48,118 INFO L130 BoogieDeclarations]: Found specification of procedure res_check [2023-11-23 20:39:48,119 INFO L138 BoogieDeclarations]: Found implementation of procedure res_check [2023-11-23 20:39:48,119 INFO L130 BoogieDeclarations]: Found specification of procedure format_by_fourcc [2023-11-23 20:39:48,119 INFO L138 BoogieDeclarations]: Found implementation of procedure format_by_fourcc [2023-11-23 20:39:48,119 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_buffer [2023-11-23 20:39:48,119 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_buffer [2023-11-23 20:39:48,119 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-23 20:39:48,119 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-23 20:39:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-23 20:39:48,120 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-23 20:39:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2023-11-23 20:39:48,120 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2023-11-23 20:39:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:39:48,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:39:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_stopper [2023-11-23 20:39:48,121 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_stopper [2023-11-23 20:39:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 20:39:48,121 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 20:39:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-23 20:39:48,121 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-23 20:39:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 20:39:48,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 20:39:48,122 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_std [2023-11-23 20:39:48,122 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_std [2023-11-23 20:39:48,122 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamoff [2023-11-23 20:39:48,122 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamoff [2023-11-23 20:39:48,122 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_setup [2023-11-23 20:39:48,122 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_setup [2023-11-23 20:39:48,123 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_free_buffer [2023-11-23 20:39:48,123 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_free_buffer [2023-11-23 20:39:48,123 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2023-11-23 20:39:48,123 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2023-11-23 20:39:48,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-23 20:39:48,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-23 20:39:48,123 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_input [2023-11-23 20:39:48,124 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_input [2023-11-23 20:39:48,124 INFO L130 BoogieDeclarations]: Found specification of procedure res_get [2023-11-23 20:39:48,124 INFO L138 BoogieDeclarations]: Found implementation of procedure res_get [2023-11-23 20:39:48,124 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_mmap_free [2023-11-23 20:39:48,124 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_mmap_free [2023-11-23 20:39:48,124 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_resume [2023-11-23 20:39:48,124 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_resume [2023-11-23 20:39:48,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_cx8800_pci_driver_exit_15_2 [2023-11-23 20:39:48,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_cx8800_pci_driver_exit_15_2 [2023-11-23 20:39:48,125 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_frequency [2023-11-23 20:39:48,125 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_frequency [2023-11-23 20:39:48,125 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-23 20:39:48,125 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-23 20:39:48,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-23 20:39:48,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-23 20:39:48,126 INFO L130 BoogieDeclarations]: Found specification of procedure video_poll [2023-11-23 20:39:48,126 INFO L138 BoogieDeclarations]: Found implementation of procedure video_poll [2023-11-23 20:39:48,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:39:48,126 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 20:39:48,126 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 20:39:48,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:39:48,127 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_put [2023-11-23 20:39:48,127 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_put [2023-11-23 20:39:48,127 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_find [2023-11-23 20:39:48,127 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_find [2023-11-23 20:39:48,127 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_release [2023-11-23 20:39:48,127 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_release [2023-11-23 20:39:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure start_video_dma [2023-11-23 20:39:48,128 INFO L138 BoogieDeclarations]: Found implementation of procedure start_video_dma [2023-11-23 20:39:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:39:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 20:39:48,128 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 20:39:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2023-11-23 20:39:48,128 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2023-11-23 20:39:48,129 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 20:39:48,129 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 20:39:48,129 INFO L130 BoogieDeclarations]: Found specification of procedure get_queue [2023-11-23 20:39:48,129 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queue [2023-11-23 20:39:48,129 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-23 20:39:48,129 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-23 20:39:48,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 20:39:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 20:39:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-23 20:39:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-23 20:39:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 20:39:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 20:39:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2023-11-23 20:39:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2023-11-23 20:39:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-23 20:39:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-23 20:39:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2023-11-23 20:39:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2023-11-23 20:39:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-23 20:39:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-23 20:39:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure video_register_device [2023-11-23 20:39:48,132 INFO L138 BoogieDeclarations]: Found implementation of procedure video_register_device [2023-11-23 20:39:48,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_cx88_core [2023-11-23 20:39:48,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_cx88_core [2023-11-23 20:39:48,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_cx88_core [2023-11-23 20:39:48,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_cx88_core [2023-11-23 20:39:48,133 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 20:39:48,133 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 20:39:48,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-23 20:39:48,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-23 20:39:48,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:39:48,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 20:39:48,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 20:39:48,134 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_input [2023-11-23 20:39:48,134 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_input [2023-11-23 20:39:48,134 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-23 20:39:48,134 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-23 20:39:48,134 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_tuner [2023-11-23 20:39:48,134 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_tuner [2023-11-23 20:39:48,135 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-23 20:39:48,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-23 20:39:48,135 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_start_vbi_dma [2023-11-23 20:39:48,135 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_start_vbi_dma [2023-11-23 20:39:48,135 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_ir_stop [2023-11-23 20:39:48,135 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_ir_stop [2023-11-23 20:39:48,135 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_register [2023-11-23 20:39:48,136 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_register [2023-11-23 20:39:48,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 20:39:48,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 20:39:48,136 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-23 20:39:48,136 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-23 20:39:48,136 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-23 20:39:48,136 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-23 20:39:48,137 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxw [2023-11-23 20:39:48,137 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxw [2023-11-23 20:39:48,137 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-23 20:39:48,137 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-23 20:39:48,137 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxh [2023-11-23 20:39:48,137 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxh [2023-11-23 20:39:48,137 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 20:39:48,138 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 20:39:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure get_resource [2023-11-23 20:39:48,138 INFO L138 BoogieDeclarations]: Found implementation of procedure get_resource [2023-11-23 20:39:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 20:39:48,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 20:39:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-23 20:39:48,138 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-23 20:39:48,139 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_initdev [2023-11-23 20:39:48,139 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_initdev [2023-11-23 20:39:48,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:39:48,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 20:39:48,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 20:39:49,596 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:39:49,607 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:39:50,086 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 20:40:01,833 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 20:40:02,093 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:40:05,820 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:40:05,820 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 20:40:05,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:40:05 BoogieIcfgContainer [2023-11-23 20:40:05,825 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:40:05,829 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:40:05,829 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:40:05,833 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:40:05,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:39:40" (1/3) ... [2023-11-23 20:40:05,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42052925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:40:05, skipping insertion in model container [2023-11-23 20:40:05,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:46" (2/3) ... [2023-11-23 20:40:05,835 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42052925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:40:05, skipping insertion in model container [2023-11-23 20:40:05,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:40:05" (3/3) ... [2023-11-23 20:40:05,837 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i [2023-11-23 20:40:05,858 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:40:05,859 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-23 20:40:05,964 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:40:05,972 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;@16166df0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:40:05,972 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-23 20:40:05,988 INFO L276 IsEmpty]: Start isEmpty. Operand has 2363 states, 1409 states have (on average 1.2966643009226402) internal successors, (1827), 1424 states have internal predecessors, (1827), 802 states have call successors, (802), 150 states have call predecessors, (802), 149 states have return successors, (795), 794 states have call predecessors, (795), 795 states have call successors, (795) [2023-11-23 20:40:06,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2023-11-23 20:40:06,050 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:40:06,051 INFO L195 NwaCegarLoop]: trace histogram [50, 49, 49, 49, 49, 49, 49, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:40:06,052 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-23 20:40:06,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:40:06,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1820167581, now seen corresponding path program 1 times [2023-11-23 20:40:06,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:40:06,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13849650] [2023-11-23 20:40:06,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:40:06,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:40:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:40:08,884 INFO L134 CoverageAnalysis]: Checked inductivity of 9509 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9509 trivial. 0 not checked. [2023-11-23 20:40:08,884 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:40:08,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13849650] [2023-11-23 20:40:08,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13849650] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:40:08,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:40:08,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:40:08,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825132590] [2023-11-23 20:40:08,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:40:08,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:40:08,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:40:08,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:40:08,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:40:08,951 INFO L87 Difference]: Start difference. First operand has 2363 states, 1409 states have (on average 1.2966643009226402) internal successors, (1827), 1424 states have internal predecessors, (1827), 802 states have call successors, (802), 150 states have call predecessors, (802), 149 states have return successors, (795), 794 states have call predecessors, (795), 795 states have call successors, (795) Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2023-11-23 20:40:13,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-23 20:40:15,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:40:15,832 INFO L93 Difference]: Finished difference Result 6812 states and 10025 transitions. [2023-11-23 20:40:15,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:40:15,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 515 [2023-11-23 20:40:15,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:40:15,896 INFO L225 Difference]: With dead ends: 6812 [2023-11-23 20:40:15,897 INFO L226 Difference]: Without dead ends: 4537 [2023-11-23 20:40:15,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:40:15,923 INFO L413 NwaCegarLoop]: 2915 mSDtfsCounter, 3181 mSDsluCounter, 2867 mSDsCounter, 0 mSdLazyCounter, 1034 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3181 SdHoareTripleChecker+Valid, 5782 SdHoareTripleChecker+Invalid, 1049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1034 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2023-11-23 20:40:15,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3181 Valid, 5782 Invalid, 1049 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 1034 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2023-11-23 20:40:15,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4537 states. [2023-11-23 20:40:16,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4537 to 4533. [2023-11-23 20:40:16,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4533 states, 2725 states have (on average 1.2924770642201835) internal successors, (3522), 2754 states have internal predecessors, (3522), 1511 states have call successors, (1511), 295 states have call predecessors, (1511), 294 states have return successors, (1507), 1505 states have call predecessors, (1507), 1507 states have call successors, (1507) [2023-11-23 20:40:16,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4533 states to 4533 states and 6540 transitions. [2023-11-23 20:40:16,451 INFO L78 Accepts]: Start accepts. Automaton has 4533 states and 6540 transitions. Word has length 515 [2023-11-23 20:40:16,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:40:16,457 INFO L495 AbstractCegarLoop]: Abstraction has 4533 states and 6540 transitions. [2023-11-23 20:40:16,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2023-11-23 20:40:16,458 INFO L276 IsEmpty]: Start isEmpty. Operand 4533 states and 6540 transitions. [2023-11-23 20:40:16,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2023-11-23 20:40:16,484 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:40:16,484 INFO L195 NwaCegarLoop]: trace histogram [50, 49, 49, 49, 49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:40:16,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 20:40:16,485 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-23 20:40:16,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:40:16,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1716334442, now seen corresponding path program 1 times [2023-11-23 20:40:16,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:40:16,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326362761] [2023-11-23 20:40:16,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:40:16,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:40:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:40:18,374 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9506 trivial. 0 not checked. [2023-11-23 20:40:18,374 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:40:18,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326362761] [2023-11-23 20:40:18,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326362761] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:40:18,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:40:18,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:40:18,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795217041] [2023-11-23 20:40:18,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:40:18,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:40:18,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:40:18,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:40:18,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:40:18,394 INFO L87 Difference]: Start difference. First operand 4533 states and 6540 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53)