./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 cf1a7837 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_a136d30b-3ea6-4812-b93b-f37f56fc2359/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a136d30b-3ea6-4812-b93b-f37f56fc2359/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a136d30b-3ea6-4812-b93b-f37f56fc2359/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a136d30b-3ea6-4812-b93b-f37f56fc2359/bin/utaipan-verify-NcY6lQBIFX/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_a136d30b-3ea6-4812-b93b-f37f56fc2359/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a136d30b-3ea6-4812-b93b-f37f56fc2359/bin/utaipan-verify-NcY6lQBIFX --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 0.2.3-dev-cf1a783 [2023-11-12 00:14:46,732 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:14:46,848 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a136d30b-3ea6-4812-b93b-f37f56fc2359/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:14:46,857 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:14:46,858 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:14:46,898 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:14:46,899 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:14:46,899 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:14:46,901 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:14:46,906 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:14:46,907 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:14:46,907 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:14:46,908 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:14:46,910 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:14:46,910 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:14:46,911 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:14:46,911 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:14:46,912 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:14:46,912 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:14:46,913 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:14:46,913 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:14:46,914 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:14:46,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:14:46,916 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:14:46,917 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:14:46,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:14:46,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:14:46,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:14:46,919 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:14:46,919 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:14:46,921 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:14:46,921 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:14:46,922 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:14:46,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:14:46,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:14:46,923 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:14:46,923 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:14:46,923 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:14:46,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:14:46,924 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:14:46,924 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:14:46,924 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:14:46,925 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_a136d30b-3ea6-4812-b93b-f37f56fc2359/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a136d30b-3ea6-4812-b93b-f37f56fc2359/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bce5aa2319ae110f8a0b01ff2a22780545859bbd4eceb3e6d7a0268461602692 [2023-11-12 00:14:47,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:14:47,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:14:47,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:14:47,281 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:14:47,282 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:14:47,283 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a136d30b-3ea6-4812-b93b-f37f56fc2359/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2023-11-12 00:14:50,471 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:14:51,303 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:14:51,305 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a136d30b-3ea6-4812-b93b-f37f56fc2359/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2023-11-12 00:14:51,385 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a136d30b-3ea6-4812-b93b-f37f56fc2359/bin/utaipan-verify-NcY6lQBIFX/data/449f74ee2/95657a60134c43849a3df6531aff55bb/FLAG14a2677ba [2023-11-12 00:14:51,401 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a136d30b-3ea6-4812-b93b-f37f56fc2359/bin/utaipan-verify-NcY6lQBIFX/data/449f74ee2/95657a60134c43849a3df6531aff55bb [2023-11-12 00:14:51,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:14:51,406 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:14:51,408 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:14:51,408 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:14:51,414 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:14:51,415 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:14:51" (1/1) ... [2023-11-12 00:14:51,417 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31c4fc6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:51, skipping insertion in model container [2023-11-12 00:14:51,417 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:14:51" (1/1) ... [2023-11-12 00:14:51,695 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:14:56,338 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_a136d30b-3ea6-4812-b93b-f37f56fc2359/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588044,588057] [2023-11-12 00:14:56,343 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_a136d30b-3ea6-4812-b93b-f37f56fc2359/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588213,588226] [2023-11-12 00:14:56,344 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_a136d30b-3ea6-4812-b93b-f37f56fc2359/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588380,588393] [2023-11-12 00:14:56,344 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_a136d30b-3ea6-4812-b93b-f37f56fc2359/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588548,588561] [2023-11-12 00:14:56,370 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:14:56,556 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:14:56,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [7928] [2023-11-12 00:14:56,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [7935] [2023-11-12 00:14:56,747 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] [2023-11-12 00:14:56,876 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] [2023-11-12 00:14:56,880 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] [2023-11-12 00:14:56,894 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] [2023-11-12 00:14:56,895 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] [2023-11-12 00:14:56,949 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] [2023-11-12 00:14:57,534 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_a136d30b-3ea6-4812-b93b-f37f56fc2359/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588044,588057] [2023-11-12 00:14:57,535 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_a136d30b-3ea6-4812-b93b-f37f56fc2359/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588213,588226] [2023-11-12 00:14:57,535 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_a136d30b-3ea6-4812-b93b-f37f56fc2359/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588380,588393] [2023-11-12 00:14:57,536 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_a136d30b-3ea6-4812-b93b-f37f56fc2359/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588548,588561] [2023-11-12 00:14:57,546 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:14:57,831 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:14:57,840 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:14:57,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:57 WrapperNode [2023-11-12 00:14:57,840 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:14:57,842 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:14:57,842 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:14:57,842 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:14:57,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:57" (1/1) ... [2023-11-12 00:14:58,005 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:57" (1/1) ... [2023-11-12 00:14:58,329 INFO L138 Inliner]: procedures = 539, calls = 4320, calls flagged for inlining = 263, calls inlined = 250, statements flattened = 8932 [2023-11-12 00:14:58,330 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:14:58,332 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:14:58,332 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:14:58,332 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:14:58,342 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:57" (1/1) ... [2023-11-12 00:14:58,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:57" (1/1) ... [2023-11-12 00:14:58,437 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:57" (1/1) ... [2023-11-12 00:14:58,437 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:57" (1/1) ... [2023-11-12 00:14:58,745 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:57" (1/1) ... [2023-11-12 00:14:58,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:57" (1/1) ... [2023-11-12 00:14:58,871 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:57" (1/1) ... [2023-11-12 00:14:58,908 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:57" (1/1) ... [2023-11-12 00:14:58,981 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:14:58,982 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:14:58,983 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:14:58,983 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:14:58,984 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:57" (1/1) ... [2023-11-12 00:14:58,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:14:59,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a136d30b-3ea6-4812-b93b-f37f56fc2359/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:14:59,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a136d30b-3ea6-4812-b93b-f37f56fc2359/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:14:59,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a136d30b-3ea6-4812-b93b-f37f56fc2359/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:14:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure video_open [2023-11-12 00:14:59,072 INFO L138 BoogieDeclarations]: Found implementation of procedure video_open [2023-11-12 00:14:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:14:59,072 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:14:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamon [2023-11-12 00:14:59,073 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamon [2023-11-12 00:14:59,073 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_unregister_video [2023-11-12 00:14:59,074 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_unregister_video [2023-11-12 00:14:59,074 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_cap [2023-11-12 00:14:59,074 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_cap [2023-11-12 00:14:59,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:14:59,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:14:59,075 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_input [2023-11-12 00:14:59,076 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_input [2023-11-12 00:14:59,076 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2023-11-12 00:14:59,076 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2023-11-12 00:14:59,078 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap [2023-11-12 00:14:59,079 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap [2023-11-12 00:14:59,079 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 00:14:59,079 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 00:14:59,079 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_tvnorm [2023-11-12 00:14:59,080 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_tvnorm [2023-11-12 00:14:59,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_77 [2023-11-12 00:14:59,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_77 [2023-11-12 00:14:59,080 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_tvaudio [2023-11-12 00:14:59,080 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_tvaudio [2023-11-12 00:14:59,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 00:14:59,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 00:14:59,081 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_s_vid_ctrl [2023-11-12 00:14:59,081 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_s_vid_ctrl [2023-11-12 00:14:59,081 INFO L130 BoogieDeclarations]: Found specification of procedure res_free [2023-11-12 00:14:59,081 INFO L138 BoogieDeclarations]: Found implementation of procedure res_free [2023-11-12 00:14:59,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_cx8800_dev [2023-11-12 00:14:59,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_cx8800_dev [2023-11-12 00:14:59,082 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-12 00:14:59,082 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-12 00:14:59,082 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma [2023-11-12 00:14:59,082 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma [2023-11-12 00:14:59,082 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_shutdown [2023-11-12 00:14:59,082 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_shutdown [2023-11-12 00:14:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-12 00:14:59,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-12 00:14:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2023-11-12 00:14:59,084 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2023-11-12 00:14:59,084 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_newstation [2023-11-12 00:14:59,084 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_newstation [2023-11-12 00:14:59,085 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_std [2023-11-12 00:14:59,085 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_std [2023-11-12 00:14:59,085 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 00:14:59,086 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2023-11-12 00:14:59,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2023-11-12 00:14:59,087 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_vdev_init [2023-11-12 00:14:59,087 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_vdev_init [2023-11-12 00:14:59,087 INFO L130 BoogieDeclarations]: Found specification of procedure video_mmap [2023-11-12 00:14:59,087 INFO L138 BoogieDeclarations]: Found implementation of procedure video_mmap [2023-11-12 00:14:59,088 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 00:14:59,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 00:14:59,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:14:59,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:14:59,089 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 00:14:59,089 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 00:14:59,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2023-11-12 00:14:59,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2023-11-12 00:14:59,090 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2023-11-12 00:14:59,090 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2023-11-12 00:14:59,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:14:59,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:14:59,090 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_poll [2023-11-12 00:14:59,091 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_poll [2023-11-12 00:14:59,091 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_frequency [2023-11-12 00:14:59,091 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_frequency [2023-11-12 00:14:59,091 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf [2023-11-12 00:14:59,091 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf [2023-11-12 00:14:59,092 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_register [2023-11-12 00:14:59,092 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_register [2023-11-12 00:14:59,092 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2023-11-12 00:14:59,092 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2023-11-12 00:14:59,093 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_setup [2023-11-12 00:14:59,093 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_setup [2023-11-12 00:14:59,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:14:59,093 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_stereo [2023-11-12 00:14:59,093 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_stereo [2023-11-12 00:14:59,093 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_vbi_fmt [2023-11-12 00:14:59,094 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_vbi_fmt [2023-11-12 00:14:59,094 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-12 00:14:59,094 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-12 00:14:59,094 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_audio_thread [2023-11-12 00:14:59,094 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2023-11-12 00:14:59,094 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2023-11-12 00:14:59,095 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2023-11-12 00:14:59,095 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2023-11-12 00:14:59,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:14:59,095 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~int [2023-11-12 00:14:59,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~int [2023-11-12 00:14:59,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:14:59,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:14:59,096 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_restart_vbi_queue [2023-11-12 00:14:59,097 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_restart_vbi_queue [2023-11-12 00:14:59,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:14:59,097 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_finidev [2023-11-12 00:14:59,097 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_finidev [2023-11-12 00:14:59,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 00:14:59,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 00:14:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2023-11-12 00:14:59,099 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2023-11-12 00:14:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_querycap [2023-11-12 00:14:59,099 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_querycap [2023-11-12 00:14:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 00:14:59,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 00:14:59,100 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_freq [2023-11-12 00:14:59,100 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_freq [2023-11-12 00:14:59,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:14:59,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:14:59,101 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_s_aud_ctrl [2023-11-12 00:14:59,101 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_s_aud_ctrl [2023-11-12 00:14:59,101 INFO L130 BoogieDeclarations]: Found specification of procedure video_read [2023-11-12 00:14:59,101 INFO L138 BoogieDeclarations]: Found implementation of procedure video_read [2023-11-12 00:14:59,101 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-12 00:14:59,101 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-12 00:14:59,102 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_video_mux [2023-11-12 00:14:59,102 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_video_mux [2023-11-12 00:14:59,102 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 00:14:59,102 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 00:14:59,102 INFO L130 BoogieDeclarations]: Found specification of procedure video_is_registered [2023-11-12 00:14:59,103 INFO L138 BoogieDeclarations]: Found implementation of procedure video_is_registered [2023-11-12 00:14:59,103 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2023-11-12 00:14:59,103 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2023-11-12 00:14:59,103 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2023-11-12 00:14:59,104 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2023-11-12 00:14:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 00:14:59,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 00:14:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:14:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 00:14:59,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 00:14:59,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 00:14:59,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 00:14:59,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-12 00:14:59,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-12 00:14:59,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-12 00:14:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-12 00:14:59,112 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_sg_init [2023-11-12 00:14:59,113 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_sg_init [2023-11-12 00:14:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:14:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:14:59,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:14:59,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:14:59,120 INFO L130 BoogieDeclarations]: Found specification of procedure video_release [2023-11-12 00:14:59,120 INFO L138 BoogieDeclarations]: Found implementation of procedure video_release [2023-11-12 00:14:59,120 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:14:59,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:14:59,121 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:14:59,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:14:59,121 INFO L130 BoogieDeclarations]: Found specification of procedure restart_video_queue [2023-11-12 00:14:59,121 INFO L138 BoogieDeclarations]: Found implementation of procedure restart_video_queue [2023-11-12 00:14:59,121 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2023-11-12 00:14:59,121 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2023-11-12 00:14:59,121 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_wakeup [2023-11-12 00:14:59,122 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_wakeup [2023-11-12 00:14:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-12 00:14:59,122 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-12 00:14:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_s_ctrl [2023-11-12 00:14:59,122 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_s_ctrl [2023-11-12 00:14:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-12 00:14:59,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-12 00:14:59,123 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2023-11-12 00:14:59,123 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2023-11-12 00:14:59,123 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_enum_input [2023-11-12 00:14:59,123 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_enum_input [2023-11-12 00:14:59,123 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_dump [2023-11-12 00:14:59,123 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_dump [2023-11-12 00:14:59,124 INFO L130 BoogieDeclarations]: Found specification of procedure video_set_drvdata [2023-11-12 00:14:59,124 INFO L138 BoogieDeclarations]: Found implementation of procedure video_set_drvdata [2023-11-12 00:14:59,124 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_tuner [2023-11-12 00:14:59,124 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_tuner [2023-11-12 00:14:59,124 INFO L130 BoogieDeclarations]: Found specification of procedure res_check [2023-11-12 00:14:59,124 INFO L138 BoogieDeclarations]: Found implementation of procedure res_check [2023-11-12 00:14:59,220 INFO L130 BoogieDeclarations]: Found specification of procedure format_by_fourcc [2023-11-12 00:14:59,220 INFO L138 BoogieDeclarations]: Found implementation of procedure format_by_fourcc [2023-11-12 00:14:59,220 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_buffer [2023-11-12 00:14:59,220 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_buffer [2023-11-12 00:14:59,220 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-12 00:14:59,220 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-12 00:14:59,220 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-12 00:14:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-12 00:14:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2023-11-12 00:14:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2023-11-12 00:14:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:14:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:14:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_stopper [2023-11-12 00:14:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_stopper [2023-11-12 00:14:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 00:14:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 00:14:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-12 00:14:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-12 00:14:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:14:59,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:14:59,222 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_std [2023-11-12 00:14:59,222 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_std [2023-11-12 00:14:59,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 00:14:59,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 00:14:59,222 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamoff [2023-11-12 00:14:59,222 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamoff [2023-11-12 00:14:59,222 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_setup [2023-11-12 00:14:59,222 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_setup [2023-11-12 00:14:59,222 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_free_buffer [2023-11-12 00:14:59,222 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_free_buffer [2023-11-12 00:14:59,222 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2023-11-12 00:14:59,222 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2023-11-12 00:14:59,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 00:14:59,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 00:14:59,223 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_input [2023-11-12 00:14:59,223 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_input [2023-11-12 00:14:59,223 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 00:14:59,223 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 00:14:59,223 INFO L130 BoogieDeclarations]: Found specification of procedure res_get [2023-11-12 00:14:59,223 INFO L138 BoogieDeclarations]: Found implementation of procedure res_get [2023-11-12 00:14:59,223 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_mmap_free [2023-11-12 00:14:59,223 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_mmap_free [2023-11-12 00:14:59,223 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_resume [2023-11-12 00:14:59,223 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_resume [2023-11-12 00:14:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_cx8800_pci_driver_exit_15_2 [2023-11-12 00:14:59,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_cx8800_pci_driver_exit_15_2 [2023-11-12 00:14:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_frequency [2023-11-12 00:14:59,224 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_frequency [2023-11-12 00:14:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-12 00:14:59,224 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-12 00:14:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-12 00:14:59,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-12 00:14:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure video_poll [2023-11-12 00:14:59,224 INFO L138 BoogieDeclarations]: Found implementation of procedure video_poll [2023-11-12 00:14:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:14:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 00:14:59,224 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 00:14:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:14:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_put [2023-11-12 00:14:59,225 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_put [2023-11-12 00:14:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_find [2023-11-12 00:14:59,225 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_find [2023-11-12 00:14:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_release [2023-11-12 00:14:59,225 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_release [2023-11-12 00:14:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure start_video_dma [2023-11-12 00:14:59,225 INFO L138 BoogieDeclarations]: Found implementation of procedure start_video_dma [2023-11-12 00:14:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:14:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:14:59,225 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:14:59,226 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2023-11-12 00:14:59,226 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2023-11-12 00:14:59,226 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-12 00:14:59,226 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-12 00:14:59,226 INFO L130 BoogieDeclarations]: Found specification of procedure get_queue [2023-11-12 00:14:59,226 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queue [2023-11-12 00:14:59,226 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-12 00:14:59,226 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-12 00:14:59,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:14:59,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:14:59,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-12 00:14:59,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-12 00:14:59,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 00:14:59,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 00:14:59,227 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2023-11-12 00:14:59,227 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2023-11-12 00:14:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-12 00:14:59,233 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-12 00:14:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2023-11-12 00:14:59,234 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2023-11-12 00:14:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure video_register_device [2023-11-12 00:14:59,234 INFO L138 BoogieDeclarations]: Found implementation of procedure video_register_device [2023-11-12 00:14:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_78 [2023-11-12 00:14:59,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_78 [2023-11-12 00:14:59,235 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:14:59,235 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:14:59,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:14:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:14:59,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:14:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_79 [2023-11-12 00:14:59,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_79 [2023-11-12 00:14:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_input [2023-11-12 00:14:59,236 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_input [2023-11-12 00:14:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-12 00:14:59,237 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-12 00:14:59,237 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_tuner [2023-11-12 00:14:59,237 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_tuner [2023-11-12 00:14:59,237 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-12 00:14:59,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-12 00:14:59,237 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_start_vbi_dma [2023-11-12 00:14:59,237 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_start_vbi_dma [2023-11-12 00:14:59,238 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_ir_stop [2023-11-12 00:14:59,238 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_ir_stop [2023-11-12 00:14:59,238 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_register [2023-11-12 00:14:59,238 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_register [2023-11-12 00:14:59,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:14:59,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:14:59,238 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-12 00:14:59,239 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-12 00:14:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-12 00:14:59,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-12 00:14:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxw [2023-11-12 00:14:59,239 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxw [2023-11-12 00:14:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-12 00:14:59,239 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-12 00:14:59,240 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxh [2023-11-12 00:14:59,240 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxh [2023-11-12 00:14:59,240 INFO L130 BoogieDeclarations]: Found specification of procedure get_resource [2023-11-12 00:14:59,240 INFO L138 BoogieDeclarations]: Found implementation of procedure get_resource [2023-11-12 00:14:59,240 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-12 00:14:59,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-12 00:14:59,240 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-12 00:14:59,240 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-12 00:14:59,241 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_initdev [2023-11-12 00:14:59,241 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_initdev [2023-11-12 00:14:59,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:14:59,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_cx8800_dev [2023-11-12 00:14:59,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_cx8800_dev [2023-11-12 00:14:59,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:14:59,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:15:00,615 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:15:00,628 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:15:01,145 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:15:33,177 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 00:15:33,414 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:15:37,732 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:15:37,732 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-12 00:15:37,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:15:37 BoogieIcfgContainer [2023-11-12 00:15:37,742 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:15:37,745 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:15:37,746 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:15:37,749 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:15:37,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:14:51" (1/3) ... [2023-11-12 00:15:37,750 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52eeb389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:15:37, skipping insertion in model container [2023-11-12 00:15:37,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:57" (2/3) ... [2023-11-12 00:15:37,751 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52eeb389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:15:37, skipping insertion in model container [2023-11-12 00:15:37,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:15:37" (3/3) ... [2023-11-12 00:15:37,753 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2023-11-12 00:15:37,774 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:15:37,774 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-12 00:15:37,892 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:15:37,899 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;@7e9f8267, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:15:37,900 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-12 00:15:37,915 INFO L276 IsEmpty]: Start isEmpty. Operand has 2357 states, 1394 states have (on average 1.2998565279770444) internal successors, (1812), 1410 states have internal predecessors, (1812), 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) [2023-11-12 00:15:37,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2023-11-12 00:15:37,985 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:15:37,987 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] [2023-11-12 00:15:37,987 INFO L420 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)] === [2023-11-12 00:15:37,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:15:37,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1016681516, now seen corresponding path program 1 times [2023-11-12 00:15:38,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:15:38,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555828003] [2023-11-12 00:15:38,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:15:38,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:15:39,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:15:40,605 INFO L134 CoverageAnalysis]: Checked inductivity of 9509 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9509 trivial. 0 not checked. [2023-11-12 00:15:40,606 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:15:40,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555828003] [2023-11-12 00:15:40,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555828003] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:15:40,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:15:40,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:15:40,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143866517] [2023-11-12 00:15:40,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:15:40,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:15:40,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:15:40,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:15:40,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:15:40,679 INFO L87 Difference]: Start difference. First operand has 2357 states, 1394 states have (on average 1.2998565279770444) internal successors, (1812), 1410 states have internal predecessors, (1812), 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 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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)