./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536e5a5a-17cb-4e3a-afad-24c7eae1ebbe/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536e5a5a-17cb-4e3a-afad-24c7eae1ebbe/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536e5a5a-17cb-4e3a-afad-24c7eae1ebbe/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536e5a5a-17cb-4e3a-afad-24c7eae1ebbe/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536e5a5a-17cb-4e3a-afad-24c7eae1ebbe/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536e5a5a-17cb-4e3a-afad-24c7eae1ebbe/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c92b4575edda3bfe929e4a6f3becf9555a141fd3a841edf990c132d5b9817085 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:06:34,456 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:06:34,584 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536e5a5a-17cb-4e3a-afad-24c7eae1ebbe/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-25 00:06:34,594 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:06:34,595 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:06:34,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:06:34,639 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:06:34,640 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:06:34,641 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:06:34,641 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:06:34,642 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:06:34,643 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:06:34,643 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:06:34,644 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:06:34,644 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:06:34,645 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:06:34,645 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:06:34,646 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:06:34,646 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:06:34,647 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:06:34,648 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:06:34,648 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:06:34,649 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:06:34,650 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:06:34,650 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:06:34,651 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:06:34,652 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:06:34,652 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:06:34,653 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:06:34,653 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:06:34,654 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:06:34,654 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:06:34,655 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:06:34,655 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:06:34,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:06:34,657 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:06:34,657 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:06:34,658 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:06:34,658 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:06:34,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:06:34,660 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:06:34,660 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:06:34,661 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:06:34,661 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:06:34,662 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_536e5a5a-17cb-4e3a-afad-24c7eae1ebbe/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536e5a5a-17cb-4e3a-afad-24c7eae1ebbe/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c92b4575edda3bfe929e4a6f3becf9555a141fd3a841edf990c132d5b9817085 [2023-11-25 00:06:35,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:06:35,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:06:35,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:06:35,051 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:06:35,052 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:06:35,053 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536e5a5a-17cb-4e3a-afad-24c7eae1ebbe/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i [2023-11-25 00:06:38,243 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:06:38,986 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:06:38,988 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536e5a5a-17cb-4e3a-afad-24c7eae1ebbe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i [2023-11-25 00:06:39,064 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536e5a5a-17cb-4e3a-afad-24c7eae1ebbe/bin/utaipan-verify-SwPr7d2a91/data/92c900127/2a8e6e9de0d948e3997f9a29ffa826ce/FLAG0d1f4bb4c [2023-11-25 00:06:39,084 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536e5a5a-17cb-4e3a-afad-24c7eae1ebbe/bin/utaipan-verify-SwPr7d2a91/data/92c900127/2a8e6e9de0d948e3997f9a29ffa826ce [2023-11-25 00:06:39,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:06:39,095 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:06:39,097 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:06:39,098 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:06:39,104 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:06:39,104 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:06:39" (1/1) ... [2023-11-25 00:06:39,106 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37f50de9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:39, skipping insertion in model container [2023-11-25 00:06:39,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:06:39" (1/1) ... [2023-11-25 00:06:39,362 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:06:42,841 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_536e5a5a-17cb-4e3a-afad-24c7eae1ebbe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i[428009,428022] [2023-11-25 00:06:42,845 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_536e5a5a-17cb-4e3a-afad-24c7eae1ebbe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i[428178,428191] [2023-11-25 00:06:42,846 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_536e5a5a-17cb-4e3a-afad-24c7eae1ebbe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i[428345,428358] [2023-11-25 00:06:42,847 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_536e5a5a-17cb-4e3a-afad-24c7eae1ebbe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i[428513,428526] [2023-11-25 00:06:42,873 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:06:42,974 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:06:43,142 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5587] [2023-11-25 00:06:43,281 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/usb/em28xx/em28xx-video.c"), "i" (805), "i" (12UL)); [6763-6764] [2023-11-25 00:06:43,912 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_536e5a5a-17cb-4e3a-afad-24c7eae1ebbe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i[428009,428022] [2023-11-25 00:06:43,913 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_536e5a5a-17cb-4e3a-afad-24c7eae1ebbe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i[428178,428191] [2023-11-25 00:06:43,914 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_536e5a5a-17cb-4e3a-afad-24c7eae1ebbe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i[428345,428358] [2023-11-25 00:06:43,914 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_536e5a5a-17cb-4e3a-afad-24c7eae1ebbe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i[428513,428526] [2023-11-25 00:06:43,922 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:06:44,149 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:06:44,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:44 WrapperNode [2023-11-25 00:06:44,150 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:06:44,152 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:06:44,152 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:06:44,152 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:06:44,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:44" (1/1) ... [2023-11-25 00:06:44,313 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:44" (1/1) ... [2023-11-25 00:06:45,714 INFO L138 Inliner]: procedures = 414, calls = 4401, calls flagged for inlining = 199, calls inlined = 190, statements flattened = 9386 [2023-11-25 00:06:45,714 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:06:45,715 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:06:45,715 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:06:45,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:06:45,729 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:44" (1/1) ... [2023-11-25 00:06:45,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:44" (1/1) ... [2023-11-25 00:06:46,212 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:44" (1/1) ... [2023-11-25 00:06:46,213 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:44" (1/1) ... [2023-11-25 00:06:47,356 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:44" (1/1) ... [2023-11-25 00:06:47,391 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:44" (1/1) ... [2023-11-25 00:06:47,451 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:44" (1/1) ... [2023-11-25 00:06:47,475 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:44" (1/1) ... [2023-11-25 00:06:47,546 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:06:47,547 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:06:47,547 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:06:47,548 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:06:47,549 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:44" (1/1) ... [2023-11-25 00:06:47,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:06:47,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536e5a5a-17cb-4e3a-afad-24c7eae1ebbe/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:06:47,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536e5a5a-17cb-4e3a-afad-24c7eae1ebbe/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:06:47,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536e5a5a-17cb-4e3a-afad-24c7eae1ebbe/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:06:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_regs [2023-11-25 00:06:47,640 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_regs [2023-11-25 00:06:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-25 00:06:47,640 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-25 00:06:47,641 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_capture_area_set [2023-11-25 00:06:47,641 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_capture_area_set [2023-11-25 00:06:47,641 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_fop_mmap [2023-11-25 00:06:47,641 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_fop_mmap [2023-11-25 00:06:47,641 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_queue_init [2023-11-25 00:06:47,641 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_queue_init [2023-11-25 00:06:47,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-25 00:06:47,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-25 00:06:47,643 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_stop_streaming [2023-11-25 00:06:47,643 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_stop_streaming [2023-11-25 00:06:47,643 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_v4l2_init [2023-11-25 00:06:47,644 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_v4l2_init [2023-11-25 00:06:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-25 00:06:47,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-25 00:06:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2023-11-25 00:06:47,646 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2023-11-25 00:06:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure res_free [2023-11-25 00:06:47,648 INFO L138 BoogieDeclarations]: Found implementation of procedure res_free [2023-11-25 00:06:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_em28xx [2023-11-25 00:06:47,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_em28xx [2023-11-25 00:06:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_55 [2023-11-25 00:06:47,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_55 [2023-11-25 00:06:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-25 00:06:47,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-25 00:06:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2023-11-25 00:06:47,649 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2023-11-25 00:06:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-25 00:06:47,650 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-25 00:06:47,650 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2023-11-25 00:06:47,650 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2023-11-25 00:06:47,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-25 00:06:47,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-25 00:06:47,650 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2023-11-25 00:06:47,650 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2023-11-25 00:06:47,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:06:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_vbi_supported [2023-11-25 00:06:47,651 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_vbi_supported [2023-11-25 00:06:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-25 00:06:47,651 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-25 00:06:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_copy_video [2023-11-25 00:06:47,651 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_copy_video [2023-11-25 00:06:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~v4l2_std_id~0~TO~int [2023-11-25 00:06:47,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~v4l2_std_id~0~TO~int [2023-11-25 00:06:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_stop_vbi_streaming [2023-11-25 00:06:47,652 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_stop_vbi_streaming [2023-11-25 00:06:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_i2c_tuner_addrs [2023-11-25 00:06:47,652 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_i2c_tuner_addrs [2023-11-25 00:06:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2023-11-25 00:06:47,653 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2023-11-25 00:06:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-25 00:06:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_buffer_done [2023-11-25 00:06:47,655 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_buffer_done [2023-11-25 00:06:47,655 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-25 00:06:47,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-25 00:06:47,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-25 00:06:47,655 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~int [2023-11-25 00:06:47,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~int [2023-11-25 00:06:47,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-25 00:06:47,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-25 00:06:47,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:06:47,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-25 00:06:47,657 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-25 00:06:47,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-25 00:06:47,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-25 00:06:47,657 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_reg [2023-11-25 00:06:47,658 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_reg [2023-11-25 00:06:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_disable_ioctl [2023-11-25 00:06:47,658 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_disable_ioctl [2023-11-25 00:06:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-25 00:06:47,658 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-25 00:06:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2023-11-25 00:06:47,658 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2023-11-25 00:06:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2023-11-25 00:06:47,659 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2023-11-25 00:06:47,660 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2023-11-25 00:06:47,660 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2023-11-25 00:06:47,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-25 00:06:47,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-25 00:06:47,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:06:47,660 INFO L130 BoogieDeclarations]: Found specification of procedure video_mux [2023-11-25 00:06:47,660 INFO L138 BoogieDeclarations]: Found implementation of procedure video_mux [2023-11-25 00:06:47,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-25 00:06:47,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-25 00:06:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-25 00:06:47,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-25 00:06:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-25 00:06:47,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-25 00:06:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:06:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-25 00:06:47,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-25 00:06:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-25 00:06:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_audio_analog_set [2023-11-25 00:06:47,662 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_audio_analog_set [2023-11-25 00:06:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-25 00:06:47,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-25 00:06:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_queue [2023-11-25 00:06:47,663 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_queue [2023-11-25 00:06:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_prepare [2023-11-25 00:06:47,663 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_prepare [2023-11-25 00:06:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_start_analog_streaming [2023-11-25 00:06:47,664 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_start_analog_streaming [2023-11-25 00:06:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-25 00:06:47,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-25 00:06:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_reg [2023-11-25 00:06:47,664 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_reg [2023-11-25 00:06:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure format_by_fourcc [2023-11-25 00:06:47,665 INFO L138 BoogieDeclarations]: Found implementation of procedure format_by_fourcc [2023-11-25 00:06:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_reg_len [2023-11-25 00:06:47,666 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_reg_len [2023-11-25 00:06:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_buffer_queue [2023-11-25 00:06:47,666 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_buffer_queue [2023-11-25 00:06:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vbi_cap [2023-11-25 00:06:47,666 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vbi_cap [2023-11-25 00:06:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-25 00:06:47,666 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-25 00:06:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2023-11-25 00:06:47,667 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2023-11-25 00:06:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure get_ressource [2023-11-25 00:06:47,667 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ressource [2023-11-25 00:06:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_set_outfmt [2023-11-25 00:06:47,667 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_set_outfmt [2023-11-25 00:06:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:06:47,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:06:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-25 00:06:47,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-25 00:06:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-25 00:06:47,668 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-25 00:06:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ops_wait_finish [2023-11-25 00:06:47,669 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ops_wait_finish [2023-11-25 00:06:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_set_plane_payload [2023-11-25 00:06:47,669 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_set_plane_payload [2023-11-25 00:06:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_i2c_new_subdev [2023-11-25 00:06:47,669 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_i2c_new_subdev [2023-11-25 00:06:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_fop_poll [2023-11-25 00:06:47,670 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_fop_poll [2023-11-25 00:06:47,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-25 00:06:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-25 00:06:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-25 00:06:47,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-25 00:06:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2023-11-25 00:06:47,676 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2023-11-25 00:06:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-25 00:06:47,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-25 00:06:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_v4l2_close [2023-11-25 00:06:47,678 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_v4l2_close [2023-11-25 00:06:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-25 00:06:47,683 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-25 00:06:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2023-11-25 00:06:47,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2023-11-25 00:06:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_s_ctrl [2023-11-25 00:06:47,683 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_s_ctrl [2023-11-25 00:06:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-25 00:06:47,683 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-25 00:06:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_buffer_prepare [2023-11-25 00:06:47,684 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_buffer_prepare [2023-11-25 00:06:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2023-11-25 00:06:47,684 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2023-11-25 00:06:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_em28xx_video_unregister_5_2 [2023-11-25 00:06:47,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_em28xx_video_unregister_5_2 [2023-11-25 00:06:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:06:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-25 00:06:47,684 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-25 00:06:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-25 00:06:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_find [2023-11-25 00:06:47,685 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_find [2023-11-25 00:06:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_notify [2023-11-25 00:06:47,685 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_notify [2023-11-25 00:06:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_set_video_format [2023-11-25 00:06:47,685 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_set_video_format [2023-11-25 00:06:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-25 00:06:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_set_mode [2023-11-25 00:06:47,685 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_set_mode [2023-11-25 00:06:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-25 00:06:47,686 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-25 00:06:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2023-11-25 00:06:47,686 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2023-11-25 00:06:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-25 00:06:47,686 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-25 00:06:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-25 00:06:47,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-25 00:06:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_resolution_set [2023-11-25 00:06:47,686 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_resolution_set [2023-11-25 00:06:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-25 00:06:47,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-25 00:06:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ops_wait_prepare [2023-11-25 00:06:47,687 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ops_wait_prepare [2023-11-25 00:06:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-25 00:06:47,687 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-25 00:06:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_v4l2_open [2023-11-25 00:06:47,687 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_v4l2_open [2023-11-25 00:06:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_vdev_init [2023-11-25 00:06:47,687 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_vdev_init [2023-11-25 00:06:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure video_register_device [2023-11-25 00:06:47,688 INFO L138 BoogieDeclarations]: Found implementation of procedure video_register_device [2023-11-25 00:06:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_size [2023-11-25 00:06:47,688 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_size [2023-11-25 00:06:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_videodevice_release [2023-11-25 00:06:47,688 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_videodevice_release [2023-11-25 00:06:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:06:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-25 00:06:47,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-25 00:06:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_uninit_usb_xfer [2023-11-25 00:06:47,689 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_uninit_usb_xfer [2023-11-25 00:06:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure finish_field_prepare_next [2023-11-25 00:06:47,689 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_field_prepare_next [2023-11-25 00:06:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_wake_i2c [2023-11-25 00:06:47,689 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_wake_i2c [2023-11-25 00:06:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure size_to_scale [2023-11-25 00:06:47,689 INFO L138 BoogieDeclarations]: Found implementation of procedure size_to_scale [2023-11-25 00:06:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2023-11-25 00:06:47,689 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2023-11-25 00:06:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_v4l2_fini [2023-11-25 00:06:47,690 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_v4l2_fini [2023-11-25 00:06:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-25 00:06:47,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-25 00:06:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure scale_to_size [2023-11-25 00:06:47,690 INFO L138 BoogieDeclarations]: Found implementation of procedure scale_to_size [2023-11-25 00:06:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure print_err_status [2023-11-25 00:06:47,690 INFO L138 BoogieDeclarations]: Found implementation of procedure print_err_status [2023-11-25 00:06:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxw [2023-11-25 00:06:47,691 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxw [2023-11-25 00:06:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxh [2023-11-25 00:06:47,691 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxh [2023-11-25 00:06:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-25 00:06:47,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-25 00:06:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:06:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_vaddr [2023-11-25 00:06:47,691 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_vaddr [2023-11-25 00:06:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-25 00:06:47,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-25 00:06:49,104 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:06:49,109 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:06:57,490 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-25 00:07:12,240 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-25 00:07:12,378 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:07:14,579 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:07:14,579 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-25 00:07:14,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:07:14 BoogieIcfgContainer [2023-11-25 00:07:14,583 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:07:14,587 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:07:14,587 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:07:14,590 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:07:14,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:06:39" (1/3) ... [2023-11-25 00:07:14,591 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b87faaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:07:14, skipping insertion in model container [2023-11-25 00:07:14,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:44" (2/3) ... [2023-11-25 00:07:14,593 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b87faaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:07:14, skipping insertion in model container [2023-11-25 00:07:14,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:07:14" (3/3) ... [2023-11-25 00:07:14,594 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i [2023-11-25 00:07:14,615 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:07:14,616 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-25 00:07:14,732 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:07:14,742 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;@d20e518, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:07:14,743 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-25 00:07:14,761 INFO L276 IsEmpty]: Start isEmpty. Operand has 1853 states, 1181 states have (on average 1.363251481795089) internal successors, (1610), 1196 states have internal predecessors, (1610), 561 states have call successors, (561), 109 states have call predecessors, (561), 108 states have return successors, (554), 553 states have call predecessors, (554), 554 states have call successors, (554) [2023-11-25 00:07:14,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2023-11-25 00:07:14,811 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:07:14,812 INFO L195 NwaCegarLoop]: trace histogram [39, 38, 38, 38, 38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:07:14,813 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)] === [2023-11-25 00:07:14,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:07:14,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1377289097, now seen corresponding path program 1 times [2023-11-25 00:07:14,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:07:14,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049408537] [2023-11-25 00:07:14,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:07:14,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:07:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:07:17,096 INFO L134 CoverageAnalysis]: Checked inductivity of 5700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5700 trivial. 0 not checked. [2023-11-25 00:07:17,097 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:07:17,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049408537] [2023-11-25 00:07:17,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049408537] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:07:17,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:07:17,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:07:17,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022970115] [2023-11-25 00:07:17,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:07:17,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:07:17,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:07:17,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:07:17,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:07:17,156 INFO L87 Difference]: Start difference. First operand has 1853 states, 1181 states have (on average 1.363251481795089) internal successors, (1610), 1196 states have internal predecessors, (1610), 561 states have call successors, (561), 109 states have call predecessors, (561), 108 states have return successors, (554), 553 states have call predecessors, (554), 554 states have call successors, (554) Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41)