./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad071e2-37ae-4a8f-b826-16b101a965a7/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad071e2-37ae-4a8f-b826-16b101a965a7/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad071e2-37ae-4a8f-b826-16b101a965a7/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad071e2-37ae-4a8f-b826-16b101a965a7/bin/utaipan-verify-t7M7D8N6sZ/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_1ad071e2-37ae-4a8f-b826-16b101a965a7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad071e2-37ae-4a8f-b826-16b101a965a7/bin/utaipan-verify-t7M7D8N6sZ --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-9bd2c7f [2023-11-19 05:18:23,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:18:23,172 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad071e2-37ae-4a8f-b826-16b101a965a7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:18:23,177 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:18:23,178 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:18:23,206 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:18:23,207 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:18:23,208 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:18:23,208 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:18:23,209 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:18:23,209 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:18:23,210 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:18:23,211 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:18:23,211 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:18:23,212 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:18:23,212 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:18:23,213 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:18:23,213 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:18:23,213 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:18:23,214 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:18:23,214 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:18:23,216 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:18:23,217 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:18:23,217 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:18:23,217 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:18:23,218 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:18:23,218 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:18:23,219 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:18:23,219 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:18:23,220 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:18:23,220 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:18:23,221 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:18:23,221 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:18:23,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:18:23,222 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:18:23,222 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:18:23,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:18:23,228 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:18:23,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:18:23,229 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:18:23,229 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:18:23,231 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:18:23,231 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_1ad071e2-37ae-4a8f-b826-16b101a965a7/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad071e2-37ae-4a8f-b826-16b101a965a7/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bce5aa2319ae110f8a0b01ff2a22780545859bbd4eceb3e6d7a0268461602692 [2023-11-19 05:18:23,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:18:23,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:18:23,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:18:23,521 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:18:23,522 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:18:23,523 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad071e2-37ae-4a8f-b826-16b101a965a7/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2023-11-19 05:18:26,700 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:18:27,510 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:18:27,511 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad071e2-37ae-4a8f-b826-16b101a965a7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2023-11-19 05:18:27,586 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad071e2-37ae-4a8f-b826-16b101a965a7/bin/utaipan-verify-t7M7D8N6sZ/data/0f1a4f400/27dd8ffe63eb46bf86f412acc9e00d26/FLAGebd3d883e [2023-11-19 05:18:27,606 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad071e2-37ae-4a8f-b826-16b101a965a7/bin/utaipan-verify-t7M7D8N6sZ/data/0f1a4f400/27dd8ffe63eb46bf86f412acc9e00d26 [2023-11-19 05:18:27,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:18:27,615 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:18:27,618 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:18:27,618 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:18:27,624 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:18:27,627 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:18:27" (1/1) ... [2023-11-19 05:18:27,628 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3174d068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:27, skipping insertion in model container [2023-11-19 05:18:27,628 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:18:27" (1/1) ... [2023-11-19 05:18:27,882 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:18:32,947 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_1ad071e2-37ae-4a8f-b826-16b101a965a7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588044,588057] [2023-11-19 05:18:32,952 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_1ad071e2-37ae-4a8f-b826-16b101a965a7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588213,588226] [2023-11-19 05:18:32,953 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_1ad071e2-37ae-4a8f-b826-16b101a965a7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588380,588393] [2023-11-19 05:18:32,953 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_1ad071e2-37ae-4a8f-b826-16b101a965a7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588548,588561] [2023-11-19 05:18:32,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:18:33,126 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:18:33,354 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [7928] [2023-11-19 05:18:33,356 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [7935] [2023-11-19 05:18:33,378 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] [2023-11-19 05:18:33,447 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] [2023-11-19 05:18:33,452 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] [2023-11-19 05:18:33,465 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] [2023-11-19 05:18:33,465 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] [2023-11-19 05:18:33,566 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] [2023-11-19 05:18:34,122 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_1ad071e2-37ae-4a8f-b826-16b101a965a7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588044,588057] [2023-11-19 05:18:34,123 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_1ad071e2-37ae-4a8f-b826-16b101a965a7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588213,588226] [2023-11-19 05:18:34,124 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_1ad071e2-37ae-4a8f-b826-16b101a965a7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588380,588393] [2023-11-19 05:18:34,124 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_1ad071e2-37ae-4a8f-b826-16b101a965a7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588548,588561] [2023-11-19 05:18:34,135 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:18:34,401 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:18:34,409 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:18:34,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:34 WrapperNode [2023-11-19 05:18:34,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:18:34,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:18:34,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:18:34,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:18:34,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:34" (1/1) ... [2023-11-19 05:18:34,600 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:34" (1/1) ... [2023-11-19 05:18:34,851 INFO L138 Inliner]: procedures = 539, calls = 4320, calls flagged for inlining = 263, calls inlined = 250, statements flattened = 8932 [2023-11-19 05:18:34,852 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:18:34,852 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:18:34,853 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:18:34,853 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:18:34,865 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:34" (1/1) ... [2023-11-19 05:18:34,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:34" (1/1) ... [2023-11-19 05:18:34,928 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:34" (1/1) ... [2023-11-19 05:18:34,929 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:34" (1/1) ... [2023-11-19 05:18:35,220 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:34" (1/1) ... [2023-11-19 05:18:35,260 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:34" (1/1) ... [2023-11-19 05:18:35,325 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:34" (1/1) ... [2023-11-19 05:18:35,361 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:34" (1/1) ... [2023-11-19 05:18:35,409 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:18:35,412 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:18:35,412 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:18:35,412 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:18:35,413 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:34" (1/1) ... [2023-11-19 05:18:35,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:18:35,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad071e2-37ae-4a8f-b826-16b101a965a7/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:18:35,439 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad071e2-37ae-4a8f-b826-16b101a965a7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:18:35,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad071e2-37ae-4a8f-b826-16b101a965a7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:18:35,484 INFO L130 BoogieDeclarations]: Found specification of procedure video_open [2023-11-19 05:18:35,484 INFO L138 BoogieDeclarations]: Found implementation of procedure video_open [2023-11-19 05:18:35,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 05:18:35,485 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 05:18:35,485 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamon [2023-11-19 05:18:35,486 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamon [2023-11-19 05:18:35,486 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_unregister_video [2023-11-19 05:18:35,486 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_unregister_video [2023-11-19 05:18:35,486 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_cap [2023-11-19 05:18:35,486 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_cap [2023-11-19 05:18:35,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:18:35,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:18:35,488 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_input [2023-11-19 05:18:35,488 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_input [2023-11-19 05:18:35,488 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2023-11-19 05:18:35,488 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2023-11-19 05:18:35,490 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap [2023-11-19 05:18:35,490 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap [2023-11-19 05:18:35,490 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 05:18:35,490 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 05:18:35,491 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_tvnorm [2023-11-19 05:18:35,491 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_tvnorm [2023-11-19 05:18:35,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_77 [2023-11-19 05:18:35,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_77 [2023-11-19 05:18:35,491 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_tvaudio [2023-11-19 05:18:35,491 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_tvaudio [2023-11-19 05:18:35,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 05:18:35,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 05:18:35,491 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_s_vid_ctrl [2023-11-19 05:18:35,492 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_s_vid_ctrl [2023-11-19 05:18:35,492 INFO L130 BoogieDeclarations]: Found specification of procedure res_free [2023-11-19 05:18:35,492 INFO L138 BoogieDeclarations]: Found implementation of procedure res_free [2023-11-19 05:18:35,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_cx8800_dev [2023-11-19 05:18:35,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_cx8800_dev [2023-11-19 05:18:35,492 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-19 05:18:35,492 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-19 05:18:35,492 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma [2023-11-19 05:18:35,493 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma [2023-11-19 05:18:35,493 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_shutdown [2023-11-19 05:18:35,493 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_shutdown [2023-11-19 05:18:35,493 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 05:18:35,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 05:18:35,493 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2023-11-19 05:18:35,494 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2023-11-19 05:18:35,494 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_newstation [2023-11-19 05:18:35,494 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_newstation [2023-11-19 05:18:35,494 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_std [2023-11-19 05:18:35,494 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_std [2023-11-19 05:18:35,494 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 05:18:35,495 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2023-11-19 05:18:35,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2023-11-19 05:18:35,496 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_vdev_init [2023-11-19 05:18:35,496 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_vdev_init [2023-11-19 05:18:35,496 INFO L130 BoogieDeclarations]: Found specification of procedure video_mmap [2023-11-19 05:18:35,496 INFO L138 BoogieDeclarations]: Found implementation of procedure video_mmap [2023-11-19 05:18:35,496 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 05:18:35,496 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 05:18:35,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 05:18:35,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 05:18:35,497 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 05:18:35,498 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 05:18:35,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2023-11-19 05:18:35,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2023-11-19 05:18:35,498 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2023-11-19 05:18:35,498 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2023-11-19 05:18:35,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 05:18:35,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 05:18:35,499 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_poll [2023-11-19 05:18:35,499 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_poll [2023-11-19 05:18:35,499 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_frequency [2023-11-19 05:18:35,499 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_frequency [2023-11-19 05:18:35,499 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf [2023-11-19 05:18:35,499 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf [2023-11-19 05:18:35,500 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_register [2023-11-19 05:18:35,500 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_register [2023-11-19 05:18:35,500 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2023-11-19 05:18:35,500 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2023-11-19 05:18:35,500 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_setup [2023-11-19 05:18:35,501 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_setup [2023-11-19 05:18:35,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:18:35,501 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_stereo [2023-11-19 05:18:35,501 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_stereo [2023-11-19 05:18:35,501 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_vbi_fmt [2023-11-19 05:18:35,501 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_vbi_fmt [2023-11-19 05:18:35,501 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 05:18:35,501 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 05:18:35,501 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_audio_thread [2023-11-19 05:18:35,502 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2023-11-19 05:18:35,502 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2023-11-19 05:18:35,502 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2023-11-19 05:18:35,502 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2023-11-19 05:18:35,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:18:35,502 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~int [2023-11-19 05:18:35,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~int [2023-11-19 05:18:35,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 05:18:35,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 05:18:35,503 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_restart_vbi_queue [2023-11-19 05:18:35,503 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_restart_vbi_queue [2023-11-19 05:18:35,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:18:35,504 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_finidev [2023-11-19 05:18:35,504 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_finidev [2023-11-19 05:18:35,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-19 05:18:35,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-19 05:18:35,505 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2023-11-19 05:18:35,505 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2023-11-19 05:18:35,505 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_querycap [2023-11-19 05:18:35,505 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_querycap [2023-11-19 05:18:35,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 05:18:35,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 05:18:35,505 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_freq [2023-11-19 05:18:35,506 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_freq [2023-11-19 05:18:35,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 05:18:35,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 05:18:35,506 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_s_aud_ctrl [2023-11-19 05:18:35,506 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_s_aud_ctrl [2023-11-19 05:18:35,506 INFO L130 BoogieDeclarations]: Found specification of procedure video_read [2023-11-19 05:18:35,506 INFO L138 BoogieDeclarations]: Found implementation of procedure video_read [2023-11-19 05:18:35,506 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-19 05:18:35,507 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-19 05:18:35,507 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_video_mux [2023-11-19 05:18:35,507 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_video_mux [2023-11-19 05:18:35,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 05:18:35,507 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 05:18:35,507 INFO L130 BoogieDeclarations]: Found specification of procedure video_is_registered [2023-11-19 05:18:35,507 INFO L138 BoogieDeclarations]: Found implementation of procedure video_is_registered [2023-11-19 05:18:35,508 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2023-11-19 05:18:35,508 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2023-11-19 05:18:35,508 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2023-11-19 05:18:35,508 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2023-11-19 05:18:35,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 05:18:35,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 05:18:35,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:18:35,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 05:18:35,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 05:18:35,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 05:18:35,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 05:18:35,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-19 05:18:35,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-19 05:18:35,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-19 05:18:35,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-19 05:18:35,514 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_sg_init [2023-11-19 05:18:35,515 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_sg_init [2023-11-19 05:18:35,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:18:35,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 05:18:35,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 05:18:35,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:18:35,521 INFO L130 BoogieDeclarations]: Found specification of procedure video_release [2023-11-19 05:18:35,521 INFO L138 BoogieDeclarations]: Found implementation of procedure video_release [2023-11-19 05:18:35,521 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 05:18:35,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 05:18:35,522 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 05:18:35,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 05:18:35,522 INFO L130 BoogieDeclarations]: Found specification of procedure restart_video_queue [2023-11-19 05:18:35,522 INFO L138 BoogieDeclarations]: Found implementation of procedure restart_video_queue [2023-11-19 05:18:35,522 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2023-11-19 05:18:35,522 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2023-11-19 05:18:35,522 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_wakeup [2023-11-19 05:18:35,522 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_wakeup [2023-11-19 05:18:35,522 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 05:18:35,522 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 05:18:35,523 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_s_ctrl [2023-11-19 05:18:35,523 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_s_ctrl [2023-11-19 05:18:35,523 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-19 05:18:35,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-19 05:18:35,523 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2023-11-19 05:18:35,523 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2023-11-19 05:18:35,523 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_enum_input [2023-11-19 05:18:35,523 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_enum_input [2023-11-19 05:18:35,523 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_dump [2023-11-19 05:18:35,524 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_dump [2023-11-19 05:18:35,524 INFO L130 BoogieDeclarations]: Found specification of procedure video_set_drvdata [2023-11-19 05:18:35,524 INFO L138 BoogieDeclarations]: Found implementation of procedure video_set_drvdata [2023-11-19 05:18:35,524 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_tuner [2023-11-19 05:18:35,524 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_tuner [2023-11-19 05:18:35,524 INFO L130 BoogieDeclarations]: Found specification of procedure res_check [2023-11-19 05:18:35,524 INFO L138 BoogieDeclarations]: Found implementation of procedure res_check [2023-11-19 05:18:35,524 INFO L130 BoogieDeclarations]: Found specification of procedure format_by_fourcc [2023-11-19 05:18:35,524 INFO L138 BoogieDeclarations]: Found implementation of procedure format_by_fourcc [2023-11-19 05:18:35,524 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_buffer [2023-11-19 05:18:35,525 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_buffer [2023-11-19 05:18:35,525 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-19 05:18:35,525 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-19 05:18:35,525 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-19 05:18:35,525 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-19 05:18:35,525 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2023-11-19 05:18:35,525 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2023-11-19 05:18:35,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:18:35,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:18:35,525 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_stopper [2023-11-19 05:18:35,526 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_stopper [2023-11-19 05:18:35,526 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 05:18:35,526 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 05:18:35,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-19 05:18:35,526 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-19 05:18:35,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:18:35,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:18:35,526 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_std [2023-11-19 05:18:35,526 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_std [2023-11-19 05:18:35,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 05:18:35,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 05:18:35,527 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamoff [2023-11-19 05:18:35,527 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamoff [2023-11-19 05:18:35,527 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_setup [2023-11-19 05:18:35,527 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_setup [2023-11-19 05:18:35,527 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_free_buffer [2023-11-19 05:18:35,527 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_free_buffer [2023-11-19 05:18:35,527 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2023-11-19 05:18:35,527 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2023-11-19 05:18:35,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-19 05:18:35,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-19 05:18:35,528 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_input [2023-11-19 05:18:35,528 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_input [2023-11-19 05:18:35,528 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 05:18:35,528 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 05:18:35,528 INFO L130 BoogieDeclarations]: Found specification of procedure res_get [2023-11-19 05:18:35,528 INFO L138 BoogieDeclarations]: Found implementation of procedure res_get [2023-11-19 05:18:35,528 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_mmap_free [2023-11-19 05:18:35,529 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_mmap_free [2023-11-19 05:18:35,529 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_resume [2023-11-19 05:18:35,529 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_resume [2023-11-19 05:18:35,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_cx8800_pci_driver_exit_15_2 [2023-11-19 05:18:35,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_cx8800_pci_driver_exit_15_2 [2023-11-19 05:18:35,529 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_frequency [2023-11-19 05:18:35,529 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_frequency [2023-11-19 05:18:35,529 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-19 05:18:35,529 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-19 05:18:35,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-19 05:18:35,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-19 05:18:35,530 INFO L130 BoogieDeclarations]: Found specification of procedure video_poll [2023-11-19 05:18:35,530 INFO L138 BoogieDeclarations]: Found implementation of procedure video_poll [2023-11-19 05:18:35,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:18:35,530 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 05:18:35,530 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 05:18:35,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:18:35,530 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_put [2023-11-19 05:18:35,530 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_put [2023-11-19 05:18:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_find [2023-11-19 05:18:35,531 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_find [2023-11-19 05:18:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_release [2023-11-19 05:18:35,531 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_release [2023-11-19 05:18:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure start_video_dma [2023-11-19 05:18:35,531 INFO L138 BoogieDeclarations]: Found implementation of procedure start_video_dma [2023-11-19 05:18:35,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:18:35,532 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 05:18:35,532 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 05:18:35,532 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2023-11-19 05:18:35,532 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2023-11-19 05:18:35,532 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 05:18:35,532 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 05:18:35,532 INFO L130 BoogieDeclarations]: Found specification of procedure get_queue [2023-11-19 05:18:35,532 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queue [2023-11-19 05:18:35,533 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 05:18:35,533 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 05:18:35,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 05:18:35,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 05:18:35,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-19 05:18:35,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-19 05:18:35,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 05:18:35,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 05:18:35,533 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2023-11-19 05:18:35,533 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2023-11-19 05:18:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-19 05:18:35,538 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-19 05:18:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2023-11-19 05:18:35,538 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2023-11-19 05:18:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure video_register_device [2023-11-19 05:18:35,538 INFO L138 BoogieDeclarations]: Found implementation of procedure video_register_device [2023-11-19 05:18:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_78 [2023-11-19 05:18:35,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_78 [2023-11-19 05:18:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 05:18:35,539 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 05:18:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:18:35,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:18:35,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:18:35,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_79 [2023-11-19 05:18:35,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_79 [2023-11-19 05:18:35,541 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_input [2023-11-19 05:18:35,541 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_input [2023-11-19 05:18:35,541 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-19 05:18:35,541 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-19 05:18:35,541 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_tuner [2023-11-19 05:18:35,542 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_tuner [2023-11-19 05:18:35,542 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-19 05:18:35,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-19 05:18:35,542 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_start_vbi_dma [2023-11-19 05:18:35,542 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_start_vbi_dma [2023-11-19 05:18:35,542 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_ir_stop [2023-11-19 05:18:35,542 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_ir_stop [2023-11-19 05:18:35,542 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_register [2023-11-19 05:18:35,543 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_register [2023-11-19 05:18:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 05:18:35,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 05:18:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-19 05:18:35,543 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-19 05:18:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-19 05:18:35,543 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-19 05:18:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxw [2023-11-19 05:18:35,543 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxw [2023-11-19 05:18:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-19 05:18:35,544 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-19 05:18:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxh [2023-11-19 05:18:35,544 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxh [2023-11-19 05:18:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure get_resource [2023-11-19 05:18:35,544 INFO L138 BoogieDeclarations]: Found implementation of procedure get_resource [2023-11-19 05:18:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 05:18:35,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 05:18:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-19 05:18:35,544 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-19 05:18:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_initdev [2023-11-19 05:18:35,544 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_initdev [2023-11-19 05:18:35,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:18:35,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_cx8800_dev [2023-11-19 05:18:35,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_cx8800_dev [2023-11-19 05:18:35,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 05:18:35,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 05:18:37,054 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:18:37,059 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:18:37,429 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:19:07,545 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 05:19:07,767 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:19:11,784 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:19:11,784 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 05:19:11,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:19:11 BoogieIcfgContainer [2023-11-19 05:19:11,801 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:19:11,804 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:19:11,805 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:19:11,808 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:19:11,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:18:27" (1/3) ... [2023-11-19 05:19:11,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f8b05b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:19:11, skipping insertion in model container [2023-11-19 05:19:11,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:34" (2/3) ... [2023-11-19 05:19:11,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f8b05b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:19:11, skipping insertion in model container [2023-11-19 05:19:11,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:19:11" (3/3) ... [2023-11-19 05:19:11,813 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2023-11-19 05:19:11,833 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:19:11,833 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-19 05:19:11,937 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:19:11,943 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;@4b283443, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:19:11,943 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-19 05:19:11,964 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) [2023-11-19 05:19:12,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2023-11-19 05:19:12,018 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:19:12,019 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] [2023-11-19 05:19:12,020 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)] === [2023-11-19 05:19:12,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:19:12,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1016681516, now seen corresponding path program 1 times [2023-11-19 05:19:12,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:19:12,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476145866] [2023-11-19 05:19:12,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:19:12,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:19:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:19:14,537 INFO L134 CoverageAnalysis]: Checked inductivity of 9509 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9509 trivial. 0 not checked. [2023-11-19 05:19:14,538 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:19:14,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476145866] [2023-11-19 05:19:14,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476145866] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:19:14,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:19:14,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:19:14,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070167537] [2023-11-19 05:19:14,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:19:14,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:19:14,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:19:14,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:19:14,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:19:14,613 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)