./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee20415-c7dc-4305-8f82-62a319b676c1/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee20415-c7dc-4305-8f82-62a319b676c1/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee20415-c7dc-4305-8f82-62a319b676c1/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee20415-c7dc-4305-8f82-62a319b676c1/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee20415-c7dc-4305-8f82-62a319b676c1/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee20415-c7dc-4305-8f82-62a319b676c1/bin/utaipan-verify-sOmjnqqW8E --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 bce5aa2319ae110f8a0b01ff2a22780545859bbd4eceb3e6d7a0268461602692 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:32:04,389 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:32:04,476 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee20415-c7dc-4305-8f82-62a319b676c1/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 03:32:04,485 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:32:04,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:32:04,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:32:04,520 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:32:04,520 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:32:04,521 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:32:04,521 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:32:04,521 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:32:04,521 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:32:04,521 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:32:04,521 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:32:04,522 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:32:04,522 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:32:04,522 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:32:04,522 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:32:04,522 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:32:04,522 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:32:04,522 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:32:04,522 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:32:04,523 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:32:04,523 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:32:04,523 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:32:04,523 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:32:04,523 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:32:04,523 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:32:04,523 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:32:04,523 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:32:04,523 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:32:04,524 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:32:04,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:32:04,524 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:32:04,524 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:32:04,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:32:04,524 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:32:04,524 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:32:04,524 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:32:04,524 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:32:04,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:32:04,525 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:32:04,525 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:32:04,525 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:32:04,525 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_5ee20415-c7dc-4305-8f82-62a319b676c1/bin/utaipan-verify-sOmjnqqW8E 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 -> bce5aa2319ae110f8a0b01ff2a22780545859bbd4eceb3e6d7a0268461602692 [2024-11-14 03:32:04,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:32:04,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:32:04,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:32:04,835 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:32:04,835 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:32:04,838 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee20415-c7dc-4305-8f82-62a319b676c1/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i Unable to find full path for "g++" [2024-11-14 03:32:06,905 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:32:07,766 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:32:07,767 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee20415-c7dc-4305-8f82-62a319b676c1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2024-11-14 03:32:07,836 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee20415-c7dc-4305-8f82-62a319b676c1/bin/utaipan-verify-sOmjnqqW8E/data/a7798db88/2011e05f94204f7d8cf29350b067f8ee/FLAGf7cccf844 [2024-11-14 03:32:07,857 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee20415-c7dc-4305-8f82-62a319b676c1/bin/utaipan-verify-sOmjnqqW8E/data/a7798db88/2011e05f94204f7d8cf29350b067f8ee [2024-11-14 03:32:07,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:32:07,861 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:32:07,863 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:32:07,865 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:32:07,869 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:32:07,870 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:32:07" (1/1) ... [2024-11-14 03:32:07,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c1d509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:32:07, skipping insertion in model container [2024-11-14 03:32:07,873 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:32:07" (1/1) ... [2024-11-14 03:32:08,089 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:32:12,565 WARN L250 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_5ee20415-c7dc-4305-8f82-62a319b676c1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588044,588057] [2024-11-14 03:32:12,568 WARN L250 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_5ee20415-c7dc-4305-8f82-62a319b676c1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588213,588226] [2024-11-14 03:32:12,569 WARN L250 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_5ee20415-c7dc-4305-8f82-62a319b676c1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588380,588393] [2024-11-14 03:32:12,569 WARN L250 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_5ee20415-c7dc-4305-8f82-62a319b676c1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588548,588561] [2024-11-14 03:32:12,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:32:12,736 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:32:12,957 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [7928] [2024-11-14 03:32:12,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [7935] [2024-11-14 03:32:12,984 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)); [8339-8340] [2024-11-14 03:32:13,056 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)); [8706-8707] [2024-11-14 03:32:13,060 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)); [8813-8814] [2024-11-14 03:32:13,073 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)); [8978-8979] [2024-11-14 03:32:13,074 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)); [9012-9013] [2024-11-14 03:32:13,157 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)); [9265-9266] [2024-11-14 03:32:13,848 WARN L250 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_5ee20415-c7dc-4305-8f82-62a319b676c1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588044,588057] [2024-11-14 03:32:13,849 WARN L250 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_5ee20415-c7dc-4305-8f82-62a319b676c1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588213,588226] [2024-11-14 03:32:13,849 WARN L250 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_5ee20415-c7dc-4305-8f82-62a319b676c1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588380,588393] [2024-11-14 03:32:13,850 WARN L250 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_5ee20415-c7dc-4305-8f82-62a319b676c1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588548,588561] [2024-11-14 03:32:13,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:32:14,155 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:32:14,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:32:14 WrapperNode [2024-11-14 03:32:14,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:32:14,158 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:32:14,158 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:32:14,158 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:32:14,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:32:14" (1/1) ... [2024-11-14 03:32:14,308 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:32:14" (1/1) ... [2024-11-14 03:32:14,652 INFO L138 Inliner]: procedures = 539, calls = 4248, calls flagged for inlining = 263, calls inlined = 250, statements flattened = 9019 [2024-11-14 03:32:14,653 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:32:14,654 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:32:14,654 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:32:14,654 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:32:14,663 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:32:14" (1/1) ... [2024-11-14 03:32:14,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:32:14" (1/1) ... [2024-11-14 03:32:14,722 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:32:14" (1/1) ... [2024-11-14 03:32:14,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:32:14" (1/1) ... [2024-11-14 03:32:14,952 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:32:14" (1/1) ... [2024-11-14 03:32:14,993 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:32:14" (1/1) ... [2024-11-14 03:32:15,183 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:32:14" (1/1) ... [2024-11-14 03:32:15,218 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:32:14" (1/1) ... [2024-11-14 03:32:15,279 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:32:15,280 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:32:15,281 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:32:15,281 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:32:15,283 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:32:14" (1/1) ... [2024-11-14 03:32:15,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:32:15,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee20415-c7dc-4305-8f82-62a319b676c1/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:32:15,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee20415-c7dc-4305-8f82-62a319b676c1/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:32:15,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee20415-c7dc-4305-8f82-62a319b676c1/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:32:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure video_open [2024-11-14 03:32:15,363 INFO L138 BoogieDeclarations]: Found implementation of procedure video_open [2024-11-14 03:32:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-14 03:32:15,363 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-14 03:32:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamon [2024-11-14 03:32:15,363 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamon [2024-11-14 03:32:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_unregister_video [2024-11-14 03:32:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_unregister_video [2024-11-14 03:32:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_cap [2024-11-14 03:32:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_cap [2024-11-14 03:32:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-14 03:32:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-14 03:32:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_input [2024-11-14 03:32:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_input [2024-11-14 03:32:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2024-11-14 03:32:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2024-11-14 03:32:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap [2024-11-14 03:32:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap [2024-11-14 03:32:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-14 03:32:15,365 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-14 03:32:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_tvnorm [2024-11-14 03:32:15,365 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_tvnorm [2024-11-14 03:32:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_77 [2024-11-14 03:32:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_77 [2024-11-14 03:32:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_tvaudio [2024-11-14 03:32:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_tvaudio [2024-11-14 03:32:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-14 03:32:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-14 03:32:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_s_vid_ctrl [2024-11-14 03:32:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_s_vid_ctrl [2024-11-14 03:32:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure res_free [2024-11-14 03:32:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure res_free [2024-11-14 03:32:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_cx8800_dev [2024-11-14 03:32:15,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_cx8800_dev [2024-11-14 03:32:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-11-14 03:32:15,368 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-11-14 03:32:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma [2024-11-14 03:32:15,368 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma [2024-11-14 03:32:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_shutdown [2024-11-14 03:32:15,368 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_shutdown [2024-11-14 03:32:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-11-14 03:32:15,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-11-14 03:32:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2024-11-14 03:32:15,368 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2024-11-14 03:32:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_newstation [2024-11-14 03:32:15,368 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_newstation [2024-11-14 03:32:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_std [2024-11-14 03:32:15,369 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_std [2024-11-14 03:32:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2024-11-14 03:32:15,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2024-11-14 03:32:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_vdev_init [2024-11-14 03:32:15,371 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_vdev_init [2024-11-14 03:32:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure video_mmap [2024-11-14 03:32:15,371 INFO L138 BoogieDeclarations]: Found implementation of procedure video_mmap [2024-11-14 03:32:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-14 03:32:15,371 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-14 03:32:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-14 03:32:15,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-14 03:32:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-14 03:32:15,371 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-14 03:32:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2024-11-14 03:32:15,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2024-11-14 03:32:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2024-11-14 03:32:15,372 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2024-11-14 03:32:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-14 03:32:15,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-14 03:32:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_poll [2024-11-14 03:32:15,374 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_poll [2024-11-14 03:32:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_frequency [2024-11-14 03:32:15,374 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_frequency [2024-11-14 03:32:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf [2024-11-14 03:32:15,375 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf [2024-11-14 03:32:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_register [2024-11-14 03:32:15,375 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_register [2024-11-14 03:32:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2024-11-14 03:32:15,375 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2024-11-14 03:32:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_setup [2024-11-14 03:32:15,375 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_setup [2024-11-14 03:32:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 03:32:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_stereo [2024-11-14 03:32:15,375 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_stereo [2024-11-14 03:32:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_vbi_fmt [2024-11-14 03:32:15,375 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_vbi_fmt [2024-11-14 03:32:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-14 03:32:15,375 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-14 03:32:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_audio_thread [2024-11-14 03:32:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2024-11-14 03:32:15,376 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2024-11-14 03:32:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2024-11-14 03:32:15,376 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2024-11-14 03:32:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 03:32:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~int [2024-11-14 03:32:15,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~int [2024-11-14 03:32:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-14 03:32:15,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-14 03:32:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_restart_vbi_queue [2024-11-14 03:32:15,376 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_restart_vbi_queue [2024-11-14 03:32:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 03:32:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_finidev [2024-11-14 03:32:15,376 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_finidev [2024-11-14 03:32:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-14 03:32:15,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-14 03:32:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2024-11-14 03:32:15,376 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2024-11-14 03:32:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_querycap [2024-11-14 03:32:15,377 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_querycap [2024-11-14 03:32:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-14 03:32:15,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-14 03:32:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_freq [2024-11-14 03:32:15,377 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_freq [2024-11-14 03:32:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-14 03:32:15,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-14 03:32:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_s_aud_ctrl [2024-11-14 03:32:15,377 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_s_aud_ctrl [2024-11-14 03:32:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure video_read [2024-11-14 03:32:15,377 INFO L138 BoogieDeclarations]: Found implementation of procedure video_read [2024-11-14 03:32:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-14 03:32:15,377 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-14 03:32:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_video_mux [2024-11-14 03:32:15,377 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_video_mux [2024-11-14 03:32:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-14 03:32:15,377 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-14 03:32:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure video_is_registered [2024-11-14 03:32:15,378 INFO L138 BoogieDeclarations]: Found implementation of procedure video_is_registered [2024-11-14 03:32:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2024-11-14 03:32:15,379 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2024-11-14 03:32:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2024-11-14 03:32:15,380 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2024-11-14 03:32:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-14 03:32:15,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-14 03:32:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 03:32:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-14 03:32:15,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-14 03:32:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-14 03:32:15,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-14 03:32:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2024-11-14 03:32:15,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2024-11-14 03:32:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2024-11-14 03:32:15,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2024-11-14 03:32:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_sg_init [2024-11-14 03:32:15,380 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_sg_init [2024-11-14 03:32:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:32:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-14 03:32:15,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-14 03:32:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 03:32:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure video_release [2024-11-14 03:32:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure video_release [2024-11-14 03:32:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-14 03:32:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-14 03:32:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-14 03:32:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-14 03:32:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure restart_video_queue [2024-11-14 03:32:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure restart_video_queue [2024-11-14 03:32:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2024-11-14 03:32:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2024-11-14 03:32:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_wakeup [2024-11-14 03:32:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_wakeup [2024-11-14 03:32:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-14 03:32:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-14 03:32:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_s_ctrl [2024-11-14 03:32:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_s_ctrl [2024-11-14 03:32:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-14 03:32:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-14 03:32:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2024-11-14 03:32:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2024-11-14 03:32:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_enum_input [2024-11-14 03:32:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_enum_input [2024-11-14 03:32:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_dump [2024-11-14 03:32:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_dump [2024-11-14 03:32:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure video_set_drvdata [2024-11-14 03:32:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure video_set_drvdata [2024-11-14 03:32:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_tuner [2024-11-14 03:32:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_tuner [2024-11-14 03:32:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure res_check [2024-11-14 03:32:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure res_check [2024-11-14 03:32:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure format_by_fourcc [2024-11-14 03:32:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure format_by_fourcc [2024-11-14 03:32:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_buffer [2024-11-14 03:32:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_buffer [2024-11-14 03:32:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2024-11-14 03:32:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2024-11-14 03:32:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-14 03:32:15,383 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-14 03:32:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2024-11-14 03:32:15,385 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2024-11-14 03:32:15,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:32:15,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:32:15,385 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_stopper [2024-11-14 03:32:15,385 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_stopper [2024-11-14 03:32:15,385 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-14 03:32:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-14 03:32:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-11-14 03:32:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-11-14 03:32:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-14 03:32:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-14 03:32:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-14 03:32:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_std [2024-11-14 03:32:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_std [2024-11-14 03:32:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-14 03:32:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-14 03:32:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamoff [2024-11-14 03:32:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamoff [2024-11-14 03:32:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_setup [2024-11-14 03:32:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_setup [2024-11-14 03:32:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_free_buffer [2024-11-14 03:32:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_free_buffer [2024-11-14 03:32:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2024-11-14 03:32:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2024-11-14 03:32:15,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-14 03:32:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-14 03:32:15,387 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_input [2024-11-14 03:32:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_input [2024-11-14 03:32:15,387 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-14 03:32:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-14 03:32:15,387 INFO L130 BoogieDeclarations]: Found specification of procedure res_get [2024-11-14 03:32:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure res_get [2024-11-14 03:32:15,387 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_mmap_free [2024-11-14 03:32:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_mmap_free [2024-11-14 03:32:15,387 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_resume [2024-11-14 03:32:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_resume [2024-11-14 03:32:15,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_cx8800_pci_driver_exit_15_2 [2024-11-14 03:32:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_cx8800_pci_driver_exit_15_2 [2024-11-14 03:32:15,387 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_frequency [2024-11-14 03:32:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_frequency [2024-11-14 03:32:15,387 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-14 03:32:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-14 03:32:15,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2024-11-14 03:32:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2024-11-14 03:32:15,388 INFO L130 BoogieDeclarations]: Found specification of procedure video_poll [2024-11-14 03:32:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure video_poll [2024-11-14 03:32:15,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 03:32:15,388 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-14 03:32:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-14 03:32:15,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 03:32:15,388 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_put [2024-11-14 03:32:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_put [2024-11-14 03:32:15,388 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_find [2024-11-14 03:32:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_find [2024-11-14 03:32:15,388 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_release [2024-11-14 03:32:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_release [2024-11-14 03:32:15,388 INFO L130 BoogieDeclarations]: Found specification of procedure start_video_dma [2024-11-14 03:32:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure start_video_dma [2024-11-14 03:32:15,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 03:32:15,389 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-14 03:32:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-14 03:32:15,389 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2024-11-14 03:32:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2024-11-14 03:32:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-14 03:32:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-14 03:32:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure get_queue [2024-11-14 03:32:15,391 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queue [2024-11-14 03:32:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-14 03:32:15,391 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-14 03:32:15,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-14 03:32:15,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-14 03:32:15,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-14 03:32:15,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-14 03:32:15,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-14 03:32:15,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-14 03:32:15,392 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2024-11-14 03:32:15,392 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2024-11-14 03:32:15,392 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-11-14 03:32:15,393 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-11-14 03:32:15,393 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2024-11-14 03:32:15,393 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2024-11-14 03:32:15,393 INFO L130 BoogieDeclarations]: Found specification of procedure video_register_device [2024-11-14 03:32:15,393 INFO L138 BoogieDeclarations]: Found implementation of procedure video_register_device [2024-11-14 03:32:15,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_78 [2024-11-14 03:32:15,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_78 [2024-11-14 03:32:15,393 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-14 03:32:15,393 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-14 03:32:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 03:32:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-14 03:32:15,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-14 03:32:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_79 [2024-11-14 03:32:15,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_79 [2024-11-14 03:32:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_input [2024-11-14 03:32:15,394 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_input [2024-11-14 03:32:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2024-11-14 03:32:15,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2024-11-14 03:32:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_tuner [2024-11-14 03:32:15,394 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_tuner [2024-11-14 03:32:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-14 03:32:15,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-14 03:32:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_start_vbi_dma [2024-11-14 03:32:15,394 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_start_vbi_dma [2024-11-14 03:32:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_ir_stop [2024-11-14 03:32:15,394 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_ir_stop [2024-11-14 03:32:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_register [2024-11-14 03:32:15,394 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_register [2024-11-14 03:32:15,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-14 03:32:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-14 03:32:15,395 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2024-11-14 03:32:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2024-11-14 03:32:15,395 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-11-14 03:32:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-11-14 03:32:15,395 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxw [2024-11-14 03:32:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxw [2024-11-14 03:32:15,395 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-11-14 03:32:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-11-14 03:32:15,395 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxh [2024-11-14 03:32:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxh [2024-11-14 03:32:15,395 INFO L130 BoogieDeclarations]: Found specification of procedure get_resource [2024-11-14 03:32:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure get_resource [2024-11-14 03:32:15,395 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-14 03:32:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-14 03:32:15,395 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-14 03:32:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-14 03:32:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_initdev [2024-11-14 03:32:15,396 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_initdev [2024-11-14 03:32:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:32:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_cx8800_dev [2024-11-14 03:32:15,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_cx8800_dev [2024-11-14 03:32:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-14 03:32:15,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-14 03:32:17,138 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:32:17,143 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:32:17,679 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-14 03:32:46,838 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-14 03:32:51,421 INFO L? ?]: Removed 3795 outVars from TransFormulas that were not future-live. [2024-11-14 03:32:51,421 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:32:57,226 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:32:57,226 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-14 03:32:57,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:32:57 BoogieIcfgContainer [2024-11-14 03:32:57,228 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:32:57,231 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:32:57,232 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:32:57,238 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:32:57,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:32:07" (1/3) ... [2024-11-14 03:32:57,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3efc0adc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:32:57, skipping insertion in model container [2024-11-14 03:32:57,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:32:14" (2/3) ... [2024-11-14 03:32:57,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3efc0adc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:32:57, skipping insertion in model container [2024-11-14 03:32:57,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:32:57" (3/3) ... [2024-11-14 03:32:57,242 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2024-11-14 03:32:57,261 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:32:57,265 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i that has 151 procedures, 2361 locations, 1 initial locations, 4 loop locations, and 3 error locations. [2024-11-14 03:32:57,434 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:32:57,453 INFO L333 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, 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;@1128293b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:32:57,453 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-14 03:32:57,472 INFO L276 IsEmpty]: Start isEmpty. Operand has 2359 states, 1396 states have (on average 1.3001432664756447) internal successors, (1815), 1412 states have internal predecessors, (1815), 811 states have call successors, (811), 150 states have call predecessors, (811), 149 states have return successors, (804), 803 states have call predecessors, (804), 804 states have call successors, (804) [2024-11-14 03:32:57,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2024-11-14 03:32:57,525 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:32:57,526 INFO L215 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] [2024-11-14 03:32:57,527 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-14 03:32:57,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:32:57,533 INFO L85 PathProgramCache]: Analyzing trace with hash 894641530, now seen corresponding path program 1 times [2024-11-14 03:32:57,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:32:57,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376530286] [2024-11-14 03:32:57,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:32:57,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:36:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:37:04,706 INFO L134 CoverageAnalysis]: Checked inductivity of 9509 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9509 trivial. 0 not checked. [2024-11-14 03:37:04,706 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:37:04,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376530286] [2024-11-14 03:37:04,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376530286] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:37:04,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:37:04,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:37:04,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168395150] [2024-11-14 03:37:04,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:37:04,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:37:04,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:37:04,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:37:04,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:37:04,748 INFO L87 Difference]: Start difference. First operand has 2359 states, 1396 states have (on average 1.3001432664756447) internal successors, (1815), 1412 states have internal predecessors, (1815), 811 states have call successors, (811), 150 states have call predecessors, (811), 149 states have return successors, (804), 803 states have call predecessors, (804), 804 states have call successors, (804) 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) [2024-11-14 03:37:08,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.72s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:37:13,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.85s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:37:14,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:37:33,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:37:33,458 INFO L93 Difference]: Finished difference Result 6794 states and 9997 transitions. [2024-11-14 03:37:33,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:37:33,463 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 [2024-11-14 03:37:33,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:37:33,537 INFO L225 Difference]: With dead ends: 6794 [2024-11-14 03:37:33,537 INFO L226 Difference]: Without dead ends: 4523 [2024-11-14 03:37:33,562 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:37:33,566 INFO L432 NwaCegarLoop]: 2923 mSDtfsCounter, 3175 mSDsluCounter, 2875 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3175 SdHoareTripleChecker+Valid, 5798 SdHoareTripleChecker+Invalid, 1045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.3s IncrementalHoareTripleChecker+Time [2024-11-14 03:37:33,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3175 Valid, 5798 Invalid, 1045 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 1028 Invalid, 2 Unknown, 0 Unchecked, 28.3s Time] [2024-11-14 03:37:33,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4523 states. [2024-11-14 03:37:34,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4523 to 4519. [2024-11-14 03:37:34,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4519 states, 2699 states have (on average 1.296035568729159) internal successors, (3498), 2730 states have internal predecessors, (3498), 1523 states have call successors, (1523), 295 states have call predecessors, (1523), 294 states have return successors, (1519), 1517 states have call predecessors, (1519), 1519 states have call successors, (1519) [2024-11-14 03:37:34,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4519 states to 4519 states and 6540 transitions. [2024-11-14 03:37:34,099 INFO L78 Accepts]: Start accepts. Automaton has 4519 states and 6540 transitions. Word has length 515 [2024-11-14 03:37:34,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:37:34,103 INFO L471 AbstractCegarLoop]: Abstraction has 4519 states and 6540 transitions. [2024-11-14 03:37:34,104 INFO L472 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) [2024-11-14 03:37:34,104 INFO L276 IsEmpty]: Start isEmpty. Operand 4519 states and 6540 transitions. [2024-11-14 03:37:34,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2024-11-14 03:37:34,128 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:37:34,128 INFO L215 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] [2024-11-14 03:37:34,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 03:37:34,130 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-14 03:37:34,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:37:34,132 INFO L85 PathProgramCache]: Analyzing trace with hash 167919885, now seen corresponding path program 1 times [2024-11-14 03:37:34,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:37:34,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006433030] [2024-11-14 03:37:34,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:37:34,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:42:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:42:06,860 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9506 trivial. 0 not checked. [2024-11-14 03:42:06,860 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:42:06,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006433030] [2024-11-14 03:42:06,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006433030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:42:06,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:42:06,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:42:06,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636608940] [2024-11-14 03:42:06,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:42:06,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:42:06,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:42:06,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:42:06,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:42:06,869 INFO L87 Difference]: Start difference. First operand 4519 states and 6540 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2024-11-14 03:42:10,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.99s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:42:15,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.81s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:42:17,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:42:21,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-14 03:42:40,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:42:40,142 INFO L93 Difference]: Finished difference Result 10872 states and 15728 transitions. [2024-11-14 03:42:40,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:42:40,143 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 524 [2024-11-14 03:42:40,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:42:40,214 INFO L225 Difference]: With dead ends: 10872 [2024-11-14 03:42:40,214 INFO L226 Difference]: Without dead ends: 6452 [2024-11-14 03:42:40,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:42:40,239 INFO L432 NwaCegarLoop]: 3038 mSDtfsCounter, 2992 mSDsluCounter, 2854 mSDsCounter, 0 mSdLazyCounter, 1070 mSolverCounterSat, 17 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2992 SdHoareTripleChecker+Valid, 5892 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1070 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.9s IncrementalHoareTripleChecker+Time [2024-11-14 03:42:40,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2992 Valid, 5892 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1070 Invalid, 2 Unknown, 0 Unchecked, 32.9s Time] [2024-11-14 03:42:40,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6452 states. [2024-11-14 03:42:40,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6452 to 6427. [2024-11-14 03:42:40,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6427 states, 3869 states have (on average 1.2987852158180409) internal successors, (5025), 3913 states have internal predecessors, (5025), 2126 states have call successors, (2126), 431 states have call predecessors, (2126), 429 states have return successors, (2122), 2114 states have call predecessors, (2122), 2122 states have call successors, (2122) [2024-11-14 03:42:40,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6427 states to 6427 states and 9273 transitions. [2024-11-14 03:42:40,709 INFO L78 Accepts]: Start accepts. Automaton has 6427 states and 9273 transitions. Word has length 524 [2024-11-14 03:42:40,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:42:40,711 INFO L471 AbstractCegarLoop]: Abstraction has 6427 states and 9273 transitions. [2024-11-14 03:42:40,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2024-11-14 03:42:40,712 INFO L276 IsEmpty]: Start isEmpty. Operand 6427 states and 9273 transitions. [2024-11-14 03:42:40,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2024-11-14 03:42:40,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:42:40,737 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:42:40,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 03:42:40,738 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-14 03:42:40,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:42:40,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1373974296, now seen corresponding path program 1 times [2024-11-14 03:42:40,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:42:40,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601749233] [2024-11-14 03:42:40,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:42:40,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms