./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 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4f020f-67d9-41d3-8619-69fef5861d25/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4f020f-67d9-41d3-8619-69fef5861d25/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4f020f-67d9-41d3-8619-69fef5861d25/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4f020f-67d9-41d3-8619-69fef5861d25/bin/utaipan-verify-mE87zJ7Ire/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_6c4f020f-67d9-41d3-8619-69fef5861d25/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4f020f-67d9-41d3-8619-69fef5861d25/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bce5aa2319ae110f8a0b01ff2a22780545859bbd4eceb3e6d7a0268461602692 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:09:04,871 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:09:05,022 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4f020f-67d9-41d3-8619-69fef5861d25/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:09:05,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:09:05,032 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:09:05,071 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:09:05,071 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:09:05,072 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:09:05,073 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:09:05,078 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:09:05,078 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:09:05,079 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:09:05,079 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:09:05,081 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:09:05,082 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:09:05,082 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:09:05,083 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:09:05,083 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:09:05,083 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:09:05,084 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:09:05,084 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:09:05,085 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:09:05,086 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:09:05,086 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:09:05,087 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:09:05,087 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:09:05,087 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:09:05,088 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:09:05,088 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:09:05,089 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:09:05,090 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:09:05,090 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:09:05,090 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:09:05,090 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:09:05,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:09:05,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:09:05,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:09:05,091 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:09:05,092 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:09:05,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:09:05,092 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:09:05,092 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:09:05,092 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:09:05,093 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:09:05,093 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_6c4f020f-67d9-41d3-8619-69fef5861d25/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4f020f-67d9-41d3-8619-69fef5861d25/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bce5aa2319ae110f8a0b01ff2a22780545859bbd4eceb3e6d7a0268461602692 [2023-11-23 21:09:05,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:09:05,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:09:05,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:09:05,468 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:09:05,469 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:09:05,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4f020f-67d9-41d3-8619-69fef5861d25/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2023-11-23 21:09:08,730 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:09:09,706 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:09:09,707 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4f020f-67d9-41d3-8619-69fef5861d25/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2023-11-23 21:09:09,790 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4f020f-67d9-41d3-8619-69fef5861d25/bin/utaipan-verify-mE87zJ7Ire/data/6047050a3/8224b40a325c40a18c9e0e2e067037b8/FLAG889c426f0 [2023-11-23 21:09:09,807 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4f020f-67d9-41d3-8619-69fef5861d25/bin/utaipan-verify-mE87zJ7Ire/data/6047050a3/8224b40a325c40a18c9e0e2e067037b8 [2023-11-23 21:09:09,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:09:09,814 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:09:09,818 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:09:09,818 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:09:09,824 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:09:09,825 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:09:09" (1/1) ... [2023-11-23 21:09:09,826 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51426dae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:09, skipping insertion in model container [2023-11-23 21:09:09,826 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:09:09" (1/1) ... [2023-11-23 21:09:10,049 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:09:14,897 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_6c4f020f-67d9-41d3-8619-69fef5861d25/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588044,588057] [2023-11-23 21:09:14,903 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_6c4f020f-67d9-41d3-8619-69fef5861d25/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588213,588226] [2023-11-23 21:09:14,903 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_6c4f020f-67d9-41d3-8619-69fef5861d25/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588380,588393] [2023-11-23 21:09:14,904 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_6c4f020f-67d9-41d3-8619-69fef5861d25/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588548,588561] [2023-11-23 21:09:14,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:09:15,125 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:09:15,283 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [7928] [2023-11-23 21:09:15,285 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [7935] [2023-11-23 21:09:15,300 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] [2023-11-23 21:09:15,365 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] [2023-11-23 21:09:15,369 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] [2023-11-23 21:09:15,473 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] [2023-11-23 21:09:15,474 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] [2023-11-23 21:09:15,523 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] [2023-11-23 21:09:16,093 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_6c4f020f-67d9-41d3-8619-69fef5861d25/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588044,588057] [2023-11-23 21:09:16,094 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_6c4f020f-67d9-41d3-8619-69fef5861d25/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588213,588226] [2023-11-23 21:09:16,095 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_6c4f020f-67d9-41d3-8619-69fef5861d25/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588380,588393] [2023-11-23 21:09:16,096 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_6c4f020f-67d9-41d3-8619-69fef5861d25/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588548,588561] [2023-11-23 21:09:16,108 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:09:16,438 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:09:16,446 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:09:16,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:16 WrapperNode [2023-11-23 21:09:16,448 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:09:16,449 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:09:16,449 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:09:16,449 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:09:16,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:16" (1/1) ... [2023-11-23 21:09:16,632 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:16" (1/1) ... [2023-11-23 21:09:17,007 INFO L138 Inliner]: procedures = 539, calls = 4320, calls flagged for inlining = 263, calls inlined = 250, statements flattened = 8932 [2023-11-23 21:09:17,009 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:09:17,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:09:17,010 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:09:17,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:09:17,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:16" (1/1) ... [2023-11-23 21:09:17,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:16" (1/1) ... [2023-11-23 21:09:17,094 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:16" (1/1) ... [2023-11-23 21:09:17,107 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:16" (1/1) ... [2023-11-23 21:09:17,349 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:16" (1/1) ... [2023-11-23 21:09:17,398 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:16" (1/1) ... [2023-11-23 21:09:17,617 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:16" (1/1) ... [2023-11-23 21:09:17,651 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:16" (1/1) ... [2023-11-23 21:09:17,790 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:09:17,791 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:09:17,791 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:09:17,792 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:09:17,793 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:16" (1/1) ... [2023-11-23 21:09:17,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:09:17,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4f020f-67d9-41d3-8619-69fef5861d25/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:09:17,831 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4f020f-67d9-41d3-8619-69fef5861d25/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:09:17,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c4f020f-67d9-41d3-8619-69fef5861d25/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:09:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure video_open [2023-11-23 21:09:17,886 INFO L138 BoogieDeclarations]: Found implementation of procedure video_open [2023-11-23 21:09:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:09:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:09:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamon [2023-11-23 21:09:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamon [2023-11-23 21:09:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_unregister_video [2023-11-23 21:09:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_unregister_video [2023-11-23 21:09:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_cap [2023-11-23 21:09:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_cap [2023-11-23 21:09:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:09:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:09:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_input [2023-11-23 21:09:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_input [2023-11-23 21:09:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2023-11-23 21:09:17,894 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2023-11-23 21:09:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap [2023-11-23 21:09:17,894 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap [2023-11-23 21:09:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 21:09:17,895 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 21:09:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_tvnorm [2023-11-23 21:09:17,895 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_tvnorm [2023-11-23 21:09:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_77 [2023-11-23 21:09:17,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_77 [2023-11-23 21:09:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_tvaudio [2023-11-23 21:09:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_tvaudio [2023-11-23 21:09:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 21:09:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 21:09:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_s_vid_ctrl [2023-11-23 21:09:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_s_vid_ctrl [2023-11-23 21:09:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure res_free [2023-11-23 21:09:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure res_free [2023-11-23 21:09:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_cx8800_dev [2023-11-23 21:09:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_cx8800_dev [2023-11-23 21:09:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-23 21:09:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-23 21:09:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma [2023-11-23 21:09:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma [2023-11-23 21:09:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_shutdown [2023-11-23 21:09:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_shutdown [2023-11-23 21:09:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-23 21:09:17,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-23 21:09:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2023-11-23 21:09:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2023-11-23 21:09:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_newstation [2023-11-23 21:09:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_newstation [2023-11-23 21:09:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_std [2023-11-23 21:09:17,901 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_std [2023-11-23 21:09:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:09:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2023-11-23 21:09:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2023-11-23 21:09:17,903 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_vdev_init [2023-11-23 21:09:17,903 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_vdev_init [2023-11-23 21:09:17,903 INFO L130 BoogieDeclarations]: Found specification of procedure video_mmap [2023-11-23 21:09:17,903 INFO L138 BoogieDeclarations]: Found implementation of procedure video_mmap [2023-11-23 21:09:17,903 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-23 21:09:17,904 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-23 21:09:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:09:17,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:09:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-23 21:09:17,906 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-23 21:09:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2023-11-23 21:09:17,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2023-11-23 21:09:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2023-11-23 21:09:17,907 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2023-11-23 21:09:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:09:17,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:09:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_poll [2023-11-23 21:09:17,907 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_poll [2023-11-23 21:09:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_frequency [2023-11-23 21:09:17,908 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_frequency [2023-11-23 21:09:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf [2023-11-23 21:09:17,909 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf [2023-11-23 21:09:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_register [2023-11-23 21:09:17,909 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_register [2023-11-23 21:09:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2023-11-23 21:09:17,909 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2023-11-23 21:09:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_setup [2023-11-23 21:09:17,910 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_setup [2023-11-23 21:09:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:09:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_stereo [2023-11-23 21:09:17,910 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_stereo [2023-11-23 21:09:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_vbi_fmt [2023-11-23 21:09:17,911 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_vbi_fmt [2023-11-23 21:09:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-23 21:09:17,911 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-23 21:09:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_audio_thread [2023-11-23 21:09:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2023-11-23 21:09:17,912 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2023-11-23 21:09:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2023-11-23 21:09:17,912 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2023-11-23 21:09:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:09:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~int [2023-11-23 21:09:17,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~int [2023-11-23 21:09:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:09:17,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:09:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_restart_vbi_queue [2023-11-23 21:09:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_restart_vbi_queue [2023-11-23 21:09:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:09:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_finidev [2023-11-23 21:09:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_finidev [2023-11-23 21:09:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-23 21:09:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-23 21:09:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2023-11-23 21:09:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2023-11-23 21:09:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_querycap [2023-11-23 21:09:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_querycap [2023-11-23 21:09:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 21:09:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 21:09:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_freq [2023-11-23 21:09:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_freq [2023-11-23 21:09:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 21:09:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 21:09:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_s_aud_ctrl [2023-11-23 21:09:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_s_aud_ctrl [2023-11-23 21:09:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure video_read [2023-11-23 21:09:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure video_read [2023-11-23 21:09:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-23 21:09:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-23 21:09:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_video_mux [2023-11-23 21:09:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_video_mux [2023-11-23 21:09:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 21:09:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 21:09:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure video_is_registered [2023-11-23 21:09:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure video_is_registered [2023-11-23 21:09:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2023-11-23 21:09:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2023-11-23 21:09:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2023-11-23 21:09:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2023-11-23 21:09:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 21:09:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 21:09:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:09:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-23 21:09:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-23 21:09:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 21:09:17,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 21:09:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-23 21:09:17,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-23 21:09:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-23 21:09:17,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-23 21:09:17,932 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_sg_init [2023-11-23 21:09:17,933 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_sg_init [2023-11-23 21:09:17,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:09:17,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:09:17,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:09:17,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:09:17,939 INFO L130 BoogieDeclarations]: Found specification of procedure video_release [2023-11-23 21:09:17,939 INFO L138 BoogieDeclarations]: Found implementation of procedure video_release [2023-11-23 21:09:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:09:17,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:09:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:09:17,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:09:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure restart_video_queue [2023-11-23 21:09:17,940 INFO L138 BoogieDeclarations]: Found implementation of procedure restart_video_queue [2023-11-23 21:09:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2023-11-23 21:09:17,941 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2023-11-23 21:09:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_wakeup [2023-11-23 21:09:17,941 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_wakeup [2023-11-23 21:09:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-23 21:09:17,942 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-23 21:09:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_s_ctrl [2023-11-23 21:09:17,942 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_s_ctrl [2023-11-23 21:09:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-23 21:09:17,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-23 21:09:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2023-11-23 21:09:17,942 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2023-11-23 21:09:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_enum_input [2023-11-23 21:09:17,943 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_enum_input [2023-11-23 21:09:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_dump [2023-11-23 21:09:17,943 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_dump [2023-11-23 21:09:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure video_set_drvdata [2023-11-23 21:09:17,943 INFO L138 BoogieDeclarations]: Found implementation of procedure video_set_drvdata [2023-11-23 21:09:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_tuner [2023-11-23 21:09:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_tuner [2023-11-23 21:09:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure res_check [2023-11-23 21:09:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure res_check [2023-11-23 21:09:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure format_by_fourcc [2023-11-23 21:09:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure format_by_fourcc [2023-11-23 21:09:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_buffer [2023-11-23 21:09:17,945 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_buffer [2023-11-23 21:09:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-23 21:09:17,945 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-23 21:09:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-23 21:09:17,945 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-23 21:09:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2023-11-23 21:09:17,946 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2023-11-23 21:09:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:09:17,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:09:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_stopper [2023-11-23 21:09:17,946 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_stopper [2023-11-23 21:09:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 21:09:17,947 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 21:09:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-23 21:09:17,947 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-23 21:09:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:09:17,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:09:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_std [2023-11-23 21:09:17,948 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_std [2023-11-23 21:09:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 21:09:17,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 21:09:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamoff [2023-11-23 21:09:17,948 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamoff [2023-11-23 21:09:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_setup [2023-11-23 21:09:17,949 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_setup [2023-11-23 21:09:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_free_buffer [2023-11-23 21:09:17,949 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_free_buffer [2023-11-23 21:09:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2023-11-23 21:09:17,949 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2023-11-23 21:09:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-23 21:09:17,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-23 21:09:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_input [2023-11-23 21:09:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_input [2023-11-23 21:09:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:09:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:09:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure res_get [2023-11-23 21:09:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure res_get [2023-11-23 21:09:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_mmap_free [2023-11-23 21:09:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_mmap_free [2023-11-23 21:09:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_resume [2023-11-23 21:09:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_resume [2023-11-23 21:09:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_cx8800_pci_driver_exit_15_2 [2023-11-23 21:09:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_cx8800_pci_driver_exit_15_2 [2023-11-23 21:09:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_frequency [2023-11-23 21:09:17,952 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_frequency [2023-11-23 21:09:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-23 21:09:17,952 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-23 21:09:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-23 21:09:17,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-23 21:09:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure video_poll [2023-11-23 21:09:17,953 INFO L138 BoogieDeclarations]: Found implementation of procedure video_poll [2023-11-23 21:09:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:09:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:09:17,953 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:09:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:09:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_put [2023-11-23 21:09:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_put [2023-11-23 21:09:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_find [2023-11-23 21:09:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_find [2023-11-23 21:09:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_release [2023-11-23 21:09:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_release [2023-11-23 21:09:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure start_video_dma [2023-11-23 21:09:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure start_video_dma [2023-11-23 21:09:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:09:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:09:17,955 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:09:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2023-11-23 21:09:17,955 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2023-11-23 21:09:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 21:09:17,956 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 21:09:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure get_queue [2023-11-23 21:09:17,956 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queue [2023-11-23 21:09:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-23 21:09:17,956 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-23 21:09:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:09:17,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:09:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-23 21:09:17,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-23 21:09:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 21:09:17,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 21:09:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2023-11-23 21:09:17,963 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2023-11-23 21:09:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-23 21:09:17,963 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-23 21:09:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2023-11-23 21:09:17,964 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2023-11-23 21:09:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure video_register_device [2023-11-23 21:09:17,964 INFO L138 BoogieDeclarations]: Found implementation of procedure video_register_device [2023-11-23 21:09:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_78 [2023-11-23 21:09:17,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_78 [2023-11-23 21:09:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:09:17,967 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:09:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:09:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:09:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:09:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_79 [2023-11-23 21:09:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_79 [2023-11-23 21:09:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_input [2023-11-23 21:09:17,969 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_input [2023-11-23 21:09:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-23 21:09:17,969 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-23 21:09:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_tuner [2023-11-23 21:09:17,969 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_tuner [2023-11-23 21:09:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-23 21:09:17,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-23 21:09:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_start_vbi_dma [2023-11-23 21:09:17,970 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_start_vbi_dma [2023-11-23 21:09:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_ir_stop [2023-11-23 21:09:17,970 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_ir_stop [2023-11-23 21:09:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_register [2023-11-23 21:09:17,970 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_register [2023-11-23 21:09:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:09:17,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:09:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-23 21:09:17,971 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-23 21:09:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-23 21:09:17,971 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-23 21:09:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxw [2023-11-23 21:09:17,972 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxw [2023-11-23 21:09:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-23 21:09:17,972 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-23 21:09:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxh [2023-11-23 21:09:17,972 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxh [2023-11-23 21:09:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure get_resource [2023-11-23 21:09:17,973 INFO L138 BoogieDeclarations]: Found implementation of procedure get_resource [2023-11-23 21:09:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:09:17,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:09:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-23 21:09:17,973 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-23 21:09:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_initdev [2023-11-23 21:09:17,974 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_initdev [2023-11-23 21:09:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:09:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_cx8800_dev [2023-11-23 21:09:17,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_cx8800_dev [2023-11-23 21:09:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:09:17,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:09:19,444 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:09:19,450 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:09:19,994 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:09:31,315 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 21:09:31,566 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:09:36,068 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:09:36,068 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 21:09:36,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:09:36 BoogieIcfgContainer [2023-11-23 21:09:36,071 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:09:36,074 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:09:36,074 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:09:36,077 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:09:36,078 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:09:09" (1/3) ... [2023-11-23 21:09:36,079 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15687ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:09:36, skipping insertion in model container [2023-11-23 21:09:36,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:16" (2/3) ... [2023-11-23 21:09:36,079 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15687ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:09:36, skipping insertion in model container [2023-11-23 21:09:36,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:09:36" (3/3) ... [2023-11-23 21:09:36,081 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2023-11-23 21:09:36,191 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:09:36,191 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-23 21:09:36,309 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:09:36,317 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;@6d630b16, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:09:36,317 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-23 21:09:36,341 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) [2023-11-23 21:09:36,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2023-11-23 21:09:36,395 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:09:36,397 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] [2023-11-23 21:09:36,397 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)] === [2023-11-23 21:09:36,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:09:36,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1670237330, now seen corresponding path program 1 times [2023-11-23 21:09:36,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:09:36,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179112433] [2023-11-23 21:09:36,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:09:36,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:09:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:09:39,143 INFO L134 CoverageAnalysis]: Checked inductivity of 9509 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9509 trivial. 0 not checked. [2023-11-23 21:09:39,144 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:09:39,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179112433] [2023-11-23 21:09:39,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179112433] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:09:39,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:09:39,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:09:39,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973821523] [2023-11-23 21:09:39,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:09:39,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:09:39,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:09:39,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:09:39,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:09:39,227 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) [2023-11-23 21:09:43,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-23 21:09:46,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:09:46,460 INFO L93 Difference]: Finished difference Result 6788 states and 9988 transitions. [2023-11-23 21:09:46,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:09:46,464 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 514 [2023-11-23 21:09:46,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:09:46,559 INFO L225 Difference]: With dead ends: 6788 [2023-11-23 21:09:46,560 INFO L226 Difference]: Without dead ends: 4519 [2023-11-23 21:09:46,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:09:46,587 INFO L413 NwaCegarLoop]: 2920 mSDtfsCounter, 3173 mSDsluCounter, 2872 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3173 SdHoareTripleChecker+Valid, 5792 SdHoareTripleChecker+Invalid, 1045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:09:46,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3173 Valid, 5792 Invalid, 1045 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 1030 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2023-11-23 21:09:46,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4519 states. [2023-11-23 21:09:47,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4519 to 4515. [2023-11-23 21:09:47,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4515 states, 2695 states have (on average 1.2957328385899813) internal successors, (3492), 2726 states have internal predecessors, (3492), 1523 states have call successors, (1523), 295 states have call predecessors, (1523), 294 states have return successors, (1519), 1517 states have call predecessors, (1519), 1519 states have call successors, (1519) [2023-11-23 21:09:47,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4515 states to 4515 states and 6534 transitions. [2023-11-23 21:09:47,139 INFO L78 Accepts]: Start accepts. Automaton has 4515 states and 6534 transitions. Word has length 514 [2023-11-23 21:09:47,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:09:47,146 INFO L495 AbstractCegarLoop]: Abstraction has 4515 states and 6534 transitions. [2023-11-23 21:09:47,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2023-11-23 21:09:47,147 INFO L276 IsEmpty]: Start isEmpty. Operand 4515 states and 6534 transitions. [2023-11-23 21:09:47,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2023-11-23 21:09:47,179 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:09:47,180 INFO L195 NwaCegarLoop]: trace histogram [50, 49, 49, 49, 49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:09:47,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:09:47,181 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-23 21:09:47,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:09:47,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1619917927, now seen corresponding path program 1 times [2023-11-23 21:09:47,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:09:47,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618040765] [2023-11-23 21:09:47,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:09:47,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:09:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:09:49,262 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9506 trivial. 0 not checked. [2023-11-23 21:09:49,262 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:09:49,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618040765] [2023-11-23 21:09:49,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618040765] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:09:49,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:09:49,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:09:49,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187878176] [2023-11-23 21:09:49,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:09:49,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:09:49,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:09:49,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:09:49,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:09:49,269 INFO L87 Difference]: Start difference. First operand 4515 states and 6534 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54)