./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-meye-meye.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f625d3d-243d-4eaa-8ad5-ebcde4105594/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f625d3d-243d-4eaa-8ad5-ebcde4105594/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f625d3d-243d-4eaa-8ad5-ebcde4105594/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f625d3d-243d-4eaa-8ad5-ebcde4105594/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-meye-meye.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f625d3d-243d-4eaa-8ad5-ebcde4105594/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f625d3d-243d-4eaa-8ad5-ebcde4105594/bin/uautomizer-verify-LYvppIcaGC --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8507e5a0bdcdd2a76e93256a824db713a4f3e6e37dd23247025abb8afdc19d17 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:02:34,941 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:02:35,028 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f625d3d-243d-4eaa-8ad5-ebcde4105594/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 01:02:35,042 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:02:35,043 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:02:35,089 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:02:35,091 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:02:35,092 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:02:35,092 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:02:35,092 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:02:35,093 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:02:35,093 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:02:35,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:02:35,094 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:02:35,094 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:02:35,094 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:02:35,094 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:02:35,095 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:02:35,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:02:35,095 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:02:35,095 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:02:35,095 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:02:35,095 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:02:35,096 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:02:35,096 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:02:35,096 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:02:35,096 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:02:35,096 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:02:35,096 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:02:35,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:02:35,097 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:02:35,097 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:02:35,097 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:02:35,097 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:02:35,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:02:35,097 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:02:35,097 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:02:35,098 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:02:35,098 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:02:35,098 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:02:35,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:02:35,098 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:02:35,098 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:02:35,098 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:02:35,098 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:02:35,098 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_5f625d3d-243d-4eaa-8ad5-ebcde4105594/bin/uautomizer-verify-LYvppIcaGC 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 -> Automizer 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 -> 8507e5a0bdcdd2a76e93256a824db713a4f3e6e37dd23247025abb8afdc19d17 [2024-11-24 01:02:35,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:02:35,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:02:35,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:02:35,435 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:02:35,436 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:02:35,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f625d3d-243d-4eaa-8ad5-ebcde4105594/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-meye-meye.cil.i [2024-11-24 01:02:38,529 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f625d3d-243d-4eaa-8ad5-ebcde4105594/bin/uautomizer-verify-LYvppIcaGC/data/76f272066/9333d9b0a89943339271524ed5ae2453/FLAGc633a0734 [2024-11-24 01:02:39,404 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:02:39,404 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f625d3d-243d-4eaa-8ad5-ebcde4105594/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-meye-meye.cil.i [2024-11-24 01:02:39,467 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f625d3d-243d-4eaa-8ad5-ebcde4105594/bin/uautomizer-verify-LYvppIcaGC/data/76f272066/9333d9b0a89943339271524ed5ae2453/FLAGc633a0734 [2024-11-24 01:02:39,488 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f625d3d-243d-4eaa-8ad5-ebcde4105594/bin/uautomizer-verify-LYvppIcaGC/data/76f272066/9333d9b0a89943339271524ed5ae2453 [2024-11-24 01:02:39,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:02:39,493 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:02:39,494 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:02:39,494 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:02:39,501 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:02:39,502 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:02:39" (1/1) ... [2024-11-24 01:02:39,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d32d4ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:39, skipping insertion in model container [2024-11-24 01:02:39,503 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:02:39" (1/1) ... [2024-11-24 01:02:39,663 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:02:42,715 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f625d3d-243d-4eaa-8ad5-ebcde4105594/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-meye-meye.cil.i[356251,356264] [2024-11-24 01:02:42,720 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f625d3d-243d-4eaa-8ad5-ebcde4105594/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-meye-meye.cil.i[356420,356433] [2024-11-24 01:02:42,722 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f625d3d-243d-4eaa-8ad5-ebcde4105594/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-meye-meye.cil.i[356587,356600] [2024-11-24 01:02:42,723 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f625d3d-243d-4eaa-8ad5-ebcde4105594/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-meye-meye.cil.i[356755,356768] [2024-11-24 01:02:42,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:02:42,907 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:02:43,079 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4738] [2024-11-24 01:02:43,082 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4745] [2024-11-24 01:02:43,082 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [4752] [2024-11-24 01:02:43,084 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 *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [4784-4785] [2024-11-24 01:02:43,084 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [4790-4792] [2024-11-24 01:02:43,092 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4875] [2024-11-24 01:02:43,093 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4882] [2024-11-24 01:02:43,523 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f625d3d-243d-4eaa-8ad5-ebcde4105594/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-meye-meye.cil.i[356251,356264] [2024-11-24 01:02:43,524 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f625d3d-243d-4eaa-8ad5-ebcde4105594/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-meye-meye.cil.i[356420,356433] [2024-11-24 01:02:43,525 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f625d3d-243d-4eaa-8ad5-ebcde4105594/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-meye-meye.cil.i[356587,356600] [2024-11-24 01:02:43,526 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f625d3d-243d-4eaa-8ad5-ebcde4105594/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-meye-meye.cil.i[356755,356768] [2024-11-24 01:02:43,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:02:43,739 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:02:43,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:43 WrapperNode [2024-11-24 01:02:43,740 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:02:43,741 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:02:43,741 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:02:43,742 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:02:43,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:43" (1/1) ... [2024-11-24 01:02:43,838 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:43" (1/1) ... [2024-11-24 01:02:44,299 INFO L138 Inliner]: procedures = 404, calls = 4558, calls flagged for inlining = 199, calls inlined = 184, statements flattened = 7712 [2024-11-24 01:02:44,300 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:02:44,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:02:44,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:02:44,301 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:02:44,313 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:43" (1/1) ... [2024-11-24 01:02:44,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:43" (1/1) ... [2024-11-24 01:02:44,394 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:43" (1/1) ... [2024-11-24 01:02:45,523 INFO L175 MemorySlicer]: Split 3520 memory accesses to 19 slices as follows [5, 4, 2, 5, 39, 1, 5, 2, 1, 2, 2, 52, 4, 990, 15, 2, 3, 2381, 5]. 68 percent of accesses are in the largest equivalence class. The 1512 initializations are split as follows [5, 0, 0, 5, 0, 0, 5, 0, 1, 0, 2, 0, 0, 0, 15, 0, 1, 1473, 5]. The 1657 writes are split as follows [0, 4, 1, 0, 39, 0, 0, 1, 0, 1, 0, 42, 2, 988, 0, 0, 0, 579, 0]. [2024-11-24 01:02:45,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:43" (1/1) ... [2024-11-24 01:02:45,524 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:43" (1/1) ... [2024-11-24 01:02:45,816 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:43" (1/1) ... [2024-11-24 01:02:45,835 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:43" (1/1) ... [2024-11-24 01:02:45,886 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:43" (1/1) ... [2024-11-24 01:02:45,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:43" (1/1) ... [2024-11-24 01:02:46,001 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:43" (1/1) ... [2024-11-24 01:02:46,099 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:02:46,100 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:02:46,100 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:02:46,100 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:02:46,101 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:43" (1/1) ... [2024-11-24 01:02:46,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:02:46,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f625d3d-243d-4eaa-8ad5-ebcde4105594/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:02:46,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f625d3d-243d-4eaa-8ad5-ebcde4105594/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:02:46,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f625d3d-243d-4eaa-8ad5-ebcde4105594/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:02:46,184 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_dma_free [2024-11-24 01:02:46,184 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_dma_free [2024-11-24 01:02:46,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_meye_exit_9_2 [2024-11-24 01:02:46,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_meye_exit_9_2 [2024-11-24 01:02:46,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-24 01:02:46,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-24 01:02:46,185 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-24 01:02:46,185 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-24 01:02:46,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-24 01:02:46,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-24 01:02:46,185 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-24 01:02:46,186 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-24 01:02:46,186 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-24 01:02:46,186 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-24 01:02:46,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_51 [2024-11-24 01:02:46,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_51 [2024-11-24 01:02:46,186 INFO L130 BoogieDeclarations]: Found specification of procedure meye_vm_open [2024-11-24 01:02:46,188 INFO L138 BoogieDeclarations]: Found implementation of procedure meye_vm_open [2024-11-24 01:02:46,188 INFO L130 BoogieDeclarations]: Found specification of procedure meye_open [2024-11-24 01:02:46,188 INFO L138 BoogieDeclarations]: Found implementation of procedure meye_open [2024-11-24 01:02:46,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-24 01:02:46,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-24 01:02:46,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_49 [2024-11-24 01:02:46,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_49 [2024-11-24 01:02:46,188 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2024-11-24 01:02:46,189 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2024-11-24 01:02:46,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-24 01:02:46,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-24 01:02:46,189 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-24 01:02:46,189 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-24 01:02:46,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 01:02:46,189 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-11-24 01:02:46,189 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-11-24 01:02:46,189 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2024-11-24 01:02:46,189 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2024-11-24 01:02:46,189 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_comp_read_frame [2024-11-24 01:02:46,189 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_comp_read_frame [2024-11-24 01:02:46,190 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_sync [2024-11-24 01:02:46,190 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_sync [2024-11-24 01:02:46,190 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_dma_setup [2024-11-24 01:02:46,190 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_dma_setup [2024-11-24 01:02:46,190 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2024-11-24 01:02:46,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2024-11-24 01:02:46,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_grabq_lock_of_meye [2024-11-24 01:02:46,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_grabq_lock_of_meye [2024-11-24 01:02:46,190 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2024-11-24 01:02:46,190 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2024-11-24 01:02:46,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-24 01:02:46,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-24 01:02:46,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-24 01:02:46,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-24 01:02:46,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-24 01:02:46,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-24 01:02:46,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-24 01:02:46,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-24 01:02:46,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-24 01:02:46,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-24 01:02:46,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-24 01:02:46,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-24 01:02:46,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-24 01:02:46,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-24 01:02:46,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-24 01:02:46,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-24 01:02:46,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-24 01:02:46,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-24 01:02:46,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-24 01:02:46,196 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_vrj_setup [2024-11-24 01:02:46,196 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_vrj_setup [2024-11-24 01:02:46,196 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-24 01:02:46,196 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-24 01:02:46,196 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-24 01:02:46,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-24 01:02:46,196 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_cont_compression_start [2024-11-24 01:02:46,196 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_cont_compression_start [2024-11-24 01:02:46,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 01:02:46,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 01:02:46,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 01:02:46,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 01:02:46,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 01:02:46,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 01:02:46,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-24 01:02:46,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-24 01:02:46,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-24 01:02:46,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-24 01:02:46,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-24 01:02:46,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-24 01:02:46,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-24 01:02:46,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-24 01:02:46,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-24 01:02:46,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-24 01:02:46,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-24 01:02:46,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-24 01:02:46,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-24 01:02:46,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-24 01:02:46,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-24 01:02:46,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 01:02:46,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 01:02:46,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 01:02:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 01:02:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 01:02:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 01:02:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 01:02:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 01:02:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 01:02:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 01:02:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 01:02:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 01:02:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 01:02:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-24 01:02:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-24 01:02:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-24 01:02:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-24 01:02:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-24 01:02:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-24 01:02:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_set [2024-11-24 01:02:46,204 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_set [2024-11-24 01:02:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_take_picture [2024-11-24 01:02:46,204 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_take_picture [2024-11-24 01:02:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-24 01:02:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-24 01:02:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-24 01:02:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-24 01:02:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-24 01:02:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-24 01:02:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-24 01:02:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-24 01:02:46,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-24 01:02:46,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-24 01:02:46,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-24 01:02:46,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-24 01:02:46,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-24 01:02:46,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-24 01:02:46,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-24 01:02:46,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-24 01:02:46,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-24 01:02:46,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-24 01:02:46,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-24 01:02:46,209 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-24 01:02:46,209 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-24 01:02:46,209 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-24 01:02:46,209 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-24 01:02:46,209 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-24 01:02:46,209 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-24 01:02:46,209 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-24 01:02:46,209 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-24 01:02:46,209 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-24 01:02:46,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-24 01:02:46,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-24 01:02:46,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-24 01:02:46,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-24 01:02:46,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-24 01:02:46,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-24 01:02:46,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-24 01:02:46,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-24 01:02:46,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-24 01:02:46,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-24 01:02:46,210 INFO L130 BoogieDeclarations]: Found specification of procedure meye_s_ctrl [2024-11-24 01:02:46,210 INFO L138 BoogieDeclarations]: Found implementation of procedure meye_s_ctrl [2024-11-24 01:02:46,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-24 01:02:46,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-24 01:02:46,210 INFO L130 BoogieDeclarations]: Found specification of procedure meye_vm_close [2024-11-24 01:02:46,210 INFO L138 BoogieDeclarations]: Found implementation of procedure meye_vm_close [2024-11-24 01:02:46,210 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2024-11-24 01:02:46,211 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2024-11-24 01:02:46,211 INFO L130 BoogieDeclarations]: Found specification of procedure meye_release [2024-11-24 01:02:46,211 INFO L138 BoogieDeclarations]: Found implementation of procedure meye_release [2024-11-24 01:02:46,211 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2024-11-24 01:02:46,211 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2024-11-24 01:02:46,211 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-24 01:02:46,211 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-24 01:02:46,211 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_cont_read_frame [2024-11-24 01:02:46,211 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_cont_read_frame [2024-11-24 01:02:46,211 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_alloc [2024-11-24 01:02:46,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_alloc [2024-11-24 01:02:46,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-24 01:02:46,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-24 01:02:46,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 01:02:46,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-24 01:02:46,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-24 01:02:46,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-24 01:02:46,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-24 01:02:46,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2024-11-24 01:02:46,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2024-11-24 01:02:46,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:02:46,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-24 01:02:46,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-24 01:02:46,216 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_vsize [2024-11-24 01:02:46,216 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_vsize [2024-11-24 01:02:46,216 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-24 01:02:46,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-24 01:02:46,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 01:02:46,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 01:02:46,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 01:02:46,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 01:02:46,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 01:02:46,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 01:02:46,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 01:02:46,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 01:02:46,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-24 01:02:46,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-24 01:02:46,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-24 01:02:46,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-24 01:02:46,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-24 01:02:46,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-24 01:02:46,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-24 01:02:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-24 01:02:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-24 01:02:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-24 01:02:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-24 01:02:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-24 01:02:46,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-24 01:02:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_custom [2024-11-24 01:02:46,220 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_custom [2024-11-24 01:02:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure rvmalloc [2024-11-24 01:02:46,220 INFO L138 BoogieDeclarations]: Found implementation of procedure rvmalloc [2024-11-24 01:02:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-24 01:02:46,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-24 01:02:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out [2024-11-24 01:02:46,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out [2024-11-24 01:02:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_timestamp [2024-11-24 01:02:46,220 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_timestamp [2024-11-24 01:02:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_int_must_check_helper [2024-11-24 01:02:46,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_int_must_check_helper [2024-11-24 01:02:46,221 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-24 01:02:46,221 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-24 01:02:46,221 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-24 01:02:46,221 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-24 01:02:46,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_doneq_lock_of_meye [2024-11-24 01:02:46,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_doneq_lock_of_meye [2024-11-24 01:02:46,223 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2024-11-24 01:02:46,223 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2024-11-24 01:02:46,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:02:46,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:02:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_hic_stop [2024-11-24 01:02:46,224 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_hic_stop [2024-11-24 01:02:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-11-24 01:02:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-11-24 01:02:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-11-24 01:02:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-11-24 01:02:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-11-24 01:02:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-11-24 01:02:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-11-24 01:02:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-11-24 01:02:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-11-24 01:02:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-11-24 01:02:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-11-24 01:02:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-11-24 01:02:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-11-24 01:02:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-11-24 01:02:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-11-24 01:02:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-11-24 01:02:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-11-24 01:02:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-11-24 01:02:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2024-11-24 01:02:46,225 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-11-24 01:02:46,225 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-11-24 01:02:46,225 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-11-24 01:02:46,225 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-11-24 01:02:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-11-24 01:02:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-11-24 01:02:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-11-24 01:02:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-11-24 01:02:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-11-24 01:02:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-11-24 01:02:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-11-24 01:02:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-11-24 01:02:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-11-24 01:02:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-11-24 01:02:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-11-24 01:02:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-11-24 01:02:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-11-24 01:02:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-11-24 01:02:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2024-11-24 01:02:46,226 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-24 01:02:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-24 01:02:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-24 01:02:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-24 01:02:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-24 01:02:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-24 01:02:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-24 01:02:46,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-24 01:02:46,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-24 01:02:46,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-24 01:02:46,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-24 01:02:46,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-24 01:02:46,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-24 01:02:46,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-24 01:02:46,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-24 01:02:46,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-24 01:02:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-24 01:02:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-24 01:02:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-24 01:02:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-24 01:02:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-24 01:02:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 01:02:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 01:02:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 01:02:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 01:02:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 01:02:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 01:02:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-24 01:02:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-24 01:02:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-24 01:02:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-24 01:02:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-24 01:02:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-24 01:02:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-24 01:02:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-24 01:02:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-24 01:02:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-24 01:02:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-24 01:02:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-24 01:02:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-24 01:02:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-24 01:02:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-24 01:02:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_free_frame [2024-11-24 01:02:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_free_frame [2024-11-24 01:02:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-24 01:02:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-24 01:02:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure meye_remove [2024-11-24 01:02:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure meye_remove [2024-11-24 01:02:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2024-11-24 01:02:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2024-11-24 01:02:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-24 01:02:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-24 01:02:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-24 01:02:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-24 01:02:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-24 01:02:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-24 01:02:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-24 01:02:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-24 01:02:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-24 01:02:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-24 01:02:46,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-24 01:02:46,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-24 01:02:46,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-24 01:02:46,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-24 01:02:46,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-24 01:02:46,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-24 01:02:46,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-24 01:02:46,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-24 01:02:46,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-24 01:02:46,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-24 01:02:46,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-24 01:02:46,237 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-24 01:02:46,238 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-24 01:02:46,238 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-24 01:02:46,238 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-24 01:02:46,238 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-24 01:02:46,238 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-24 01:02:46,238 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-24 01:02:46,238 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-24 01:02:46,238 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-24 01:02:46,238 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-24 01:02:46,238 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-24 01:02:46,239 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-24 01:02:46,239 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-24 01:02:46,239 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-24 01:02:46,239 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-24 01:02:46,239 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-24 01:02:46,239 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-24 01:02:46,239 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-24 01:02:46,239 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-24 01:02:46,239 INFO L130 BoogieDeclarations]: Found specification of procedure meye_resume [2024-11-24 01:02:46,239 INFO L138 BoogieDeclarations]: Found implementation of procedure meye_resume [2024-11-24 01:02:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_free [2024-11-24 01:02:46,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_free [2024-11-24 01:02:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_delay [2024-11-24 01:02:46,240 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_delay [2024-11-24 01:02:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 01:02:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-24 01:02:46,240 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-24 01:02:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 01:02:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 01:02:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 01:02:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 01:02:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 01:02:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 01:02:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 01:02:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 01:02:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-24 01:02:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-24 01:02:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-24 01:02:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-24 01:02:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-24 01:02:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-24 01:02:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-24 01:02:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-24 01:02:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-24 01:02:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-24 01:02:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-24 01:02:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-24 01:02:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-24 01:02:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-24 01:02:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-24 01:02:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-24 01:02:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-24 01:02:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-24 01:02:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-24 01:02:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-24 01:02:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-24 01:02:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-24 01:02:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-24 01:02:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-24 01:02:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-24 01:02:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-24 01:02:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-24 01:02:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-24 01:02:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-24 01:02:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-24 01:02:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-24 01:02:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-24 01:02:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2024-11-24 01:02:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2024-11-24 01:02:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_set_framerate [2024-11-24 01:02:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_set_framerate [2024-11-24 01:02:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_to_page [2024-11-24 01:02:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_to_page [2024-11-24 01:02:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-24 01:02:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-24 01:02:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-24 01:02:46,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-24 01:02:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-24 01:02:46,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-24 01:02:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in [2024-11-24 01:02:46,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_in [2024-11-24 01:02:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2024-11-24 01:02:46,244 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2024-11-24 01:02:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-24 01:02:46,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-24 01:02:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_subsample [2024-11-24 01:02:46,244 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_subsample [2024-11-24 01:02:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_continuous_start [2024-11-24 01:02:46,244 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_continuous_start [2024-11-24 01:02:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 01:02:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 01:02:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 01:02:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 01:02:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 01:02:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 01:02:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 01:02:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 01:02:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 01:02:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 01:02:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 01:02:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 01:02:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 01:02:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-24 01:02:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-24 01:02:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-24 01:02:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-24 01:02:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-24 01:02:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-24 01:02:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_hsize [2024-11-24 01:02:46,251 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_hsize [2024-11-24 01:02:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-24 01:02:46,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-24 01:02:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_get_frame [2024-11-24 01:02:46,251 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_get_frame [2024-11-24 01:02:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure rvfree [2024-11-24 01:02:46,251 INFO L138 BoogieDeclarations]: Found implementation of procedure rvfree [2024-11-24 01:02:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-24 01:02:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-24 01:02:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure sony_pic_camera_command [2024-11-24 01:02:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure sony_pic_camera_command [2024-11-24 01:02:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-24 01:02:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-24 01:02:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2024-11-24 01:02:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2024-11-24 01:02:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-24 01:02:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-24 01:02:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:02:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:02:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 01:02:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 01:02:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 01:02:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 01:02:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 01:02:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 01:02:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 01:02:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 01:02:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 01:02:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 01:02:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 01:02:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-24 01:02:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-24 01:02:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-24 01:02:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-24 01:02:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-24 01:02:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-24 01:02:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure ptable_copy [2024-11-24 01:02:46,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ptable_copy [2024-11-24 01:02:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_read [2024-11-24 01:02:46,253 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_read [2024-11-24 01:02:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-24 01:02:46,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-24 01:02:47,618 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:02:47,625 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:02:48,910 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-24 01:04:04,738 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-24 01:04:06,587 INFO L? ?]: Removed 2663 outVars from TransFormulas that were not future-live. [2024-11-24 01:04:06,588 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:04:06,662 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:04:06,665 INFO L312 CfgBuilder]: Removed 20 assume(true) statements. [2024-11-24 01:04:06,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:04:06 BoogieIcfgContainer [2024-11-24 01:04:06,669 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:04:06,672 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:04:06,672 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:04:06,679 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:04:06,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:02:39" (1/3) ... [2024-11-24 01:04:06,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37fd2d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:04:06, skipping insertion in model container [2024-11-24 01:04:06,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:43" (2/3) ... [2024-11-24 01:04:06,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37fd2d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:04:06, skipping insertion in model container [2024-11-24 01:04:06,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:04:06" (3/3) ... [2024-11-24 01:04:06,686 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-meye-meye.cil.i [2024-11-24 01:04:06,710 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:04:06,715 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-meye-meye.cil.i that has 151 procedures, 2157 locations, 1 initial locations, 77 loop locations, and 3 error locations. [2024-11-24 01:04:06,872 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:04:06,885 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, 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;@52619d8f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:04:06,888 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-24 01:04:06,902 INFO L276 IsEmpty]: Start isEmpty. Operand has 1903 states, 1280 states have (on average 1.28828125) internal successors, (1649), 1302 states have internal predecessors, (1649), 525 states have call successors, (525), 96 states have call predecessors, (525), 95 states have return successors, (518), 510 states have call predecessors, (518), 518 states have call successors, (518) [2024-11-24 01:04:06,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-24 01:04:06,954 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:04:06,955 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:04:06,956 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:04:06,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:04:06,969 INFO L85 PathProgramCache]: Analyzing trace with hash -359125266, now seen corresponding path program 1 times [2024-11-24 01:04:06,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:04:06,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718378981] [2024-11-24 01:04:06,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:04:06,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:04:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:04:45,967 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-24 01:04:45,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:04:45,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718378981] [2024-11-24 01:04:45,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718378981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:04:45,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:04:45,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:04:45,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647712692] [2024-11-24 01:04:45,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:04:45,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:04:45,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:04:46,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:04:46,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:04:46,007 INFO L87 Difference]: Start difference. First operand has 1903 states, 1280 states have (on average 1.28828125) internal successors, (1649), 1302 states have internal predecessors, (1649), 525 states have call successors, (525), 96 states have call predecessors, (525), 95 states have return successors, (518), 510 states have call predecessors, (518), 518 states have call successors, (518) Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-24 01:04:50,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:04:52,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:04:52,186 INFO L93 Difference]: Finished difference Result 5525 states and 7918 transitions. [2024-11-24 01:04:52,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:04:52,188 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 197 [2024-11-24 01:04:52,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:04:52,261 INFO L225 Difference]: With dead ends: 5525 [2024-11-24 01:04:52,261 INFO L226 Difference]: Without dead ends: 3646 [2024-11-24 01:04:52,288 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:04:52,292 INFO L435 NwaCegarLoop]: 2688 mSDtfsCounter, 2507 mSDsluCounter, 2604 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2507 SdHoareTripleChecker+Valid, 5292 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:04:52,293 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2507 Valid, 5292 Invalid, 54 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 42 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2024-11-24 01:04:52,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3646 states. [2024-11-24 01:04:52,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3646 to 3642. [2024-11-24 01:04:52,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3642 states, 2466 states have (on average 1.2798053527980535) internal successors, (3156), 2509 states have internal predecessors, (3156), 987 states have call successors, (987), 187 states have call predecessors, (987), 186 states have return successors, (983), 967 states have call predecessors, (983), 983 states have call successors, (983) [2024-11-24 01:04:52,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3642 states to 3642 states and 5126 transitions. [2024-11-24 01:04:52,815 INFO L78 Accepts]: Start accepts. Automaton has 3642 states and 5126 transitions. Word has length 197 [2024-11-24 01:04:52,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:04:52,816 INFO L471 AbstractCegarLoop]: Abstraction has 3642 states and 5126 transitions. [2024-11-24 01:04:52,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-24 01:04:52,816 INFO L276 IsEmpty]: Start isEmpty. Operand 3642 states and 5126 transitions. [2024-11-24 01:04:52,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-24 01:04:52,838 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:04:52,838 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:04:52,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:04:52,839 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:04:52,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:04:52,840 INFO L85 PathProgramCache]: Analyzing trace with hash -837768815, now seen corresponding path program 1 times [2024-11-24 01:04:52,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:04:52,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927583156] [2024-11-24 01:04:52,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:04:52,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:05:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:05:31,971 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-24 01:05:31,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:05:31,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927583156] [2024-11-24 01:05:31,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927583156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:05:31,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:05:31,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:05:31,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488144861] [2024-11-24 01:05:31,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:05:31,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:05:31,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:05:31,979 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:05:31,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:05:31,982 INFO L87 Difference]: Start difference. First operand 3642 states and 5126 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-24 01:05:36,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:05:40,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:05:40,461 INFO L93 Difference]: Finished difference Result 7843 states and 10916 transitions. [2024-11-24 01:05:40,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:05:40,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 213 [2024-11-24 01:05:40,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:05:40,513 INFO L225 Difference]: With dead ends: 7843 [2024-11-24 01:05:40,513 INFO L226 Difference]: Without dead ends: 4236 [2024-11-24 01:05:40,534 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:05:40,536 INFO L435 NwaCegarLoop]: 2672 mSDtfsCounter, 1624 mSDsluCounter, 2552 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1624 SdHoareTripleChecker+Valid, 5224 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:05:40,536 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1624 Valid, 5224 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 109 Invalid, 1 Unknown, 0 Unchecked, 8.1s Time] [2024-11-24 01:05:40,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4236 states. [2024-11-24 01:05:40,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4236 to 4212. [2024-11-24 01:05:40,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4212 states, 2787 states have (on average 1.250448510943667) internal successors, (3485), 2842 states have internal predecessors, (3485), 1155 states have call successors, (1155), 268 states have call predecessors, (1155), 267 states have return successors, (1151), 1124 states have call predecessors, (1151), 1151 states have call successors, (1151) [2024-11-24 01:05:40,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4212 states to 4212 states and 5791 transitions. [2024-11-24 01:05:40,929 INFO L78 Accepts]: Start accepts. Automaton has 4212 states and 5791 transitions. Word has length 213 [2024-11-24 01:05:40,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:05:40,930 INFO L471 AbstractCegarLoop]: Abstraction has 4212 states and 5791 transitions. [2024-11-24 01:05:40,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-24 01:05:40,931 INFO L276 IsEmpty]: Start isEmpty. Operand 4212 states and 5791 transitions. [2024-11-24 01:05:40,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-11-24 01:05:40,939 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:05:40,939 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-24 01:05:40,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:05:40,940 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:05:40,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:05:40,942 INFO L85 PathProgramCache]: Analyzing trace with hash -380012906, now seen corresponding path program 1 times [2024-11-24 01:05:40,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:05:40,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444367561] [2024-11-24 01:05:40,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:05:40,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:06:17,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:06:19,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2024-11-24 01:06:19,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:06:19,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444367561] [2024-11-24 01:06:19,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444367561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:06:19,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:06:19,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:06:19,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060452181] [2024-11-24 01:06:19,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:06:19,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:06:19,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:06:19,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:06:19,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:06:19,639 INFO L87 Difference]: Start difference. First operand 4212 states and 5791 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-24 01:06:23,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:06:25,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:06:25,508 INFO L93 Difference]: Finished difference Result 11989 states and 16496 transitions. [2024-11-24 01:06:25,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:06:25,509 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 231 [2024-11-24 01:06:25,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:06:25,582 INFO L225 Difference]: With dead ends: 11989 [2024-11-24 01:06:25,582 INFO L226 Difference]: Without dead ends: 7812 [2024-11-24 01:06:25,608 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:06:25,611 INFO L435 NwaCegarLoop]: 2814 mSDtfsCounter, 2459 mSDsluCounter, 2592 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2459 SdHoareTripleChecker+Valid, 5406 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:06:25,612 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2459 Valid, 5406 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2024-11-24 01:06:25,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7812 states. [2024-11-24 01:06:26,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7812 to 7784. [2024-11-24 01:06:26,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7784 states, 5202 states have (on average 1.2539407920030758) internal successors, (6523), 5305 states have internal predecessors, (6523), 2094 states have call successors, (2094), 492 states have call predecessors, (2094), 485 states have return successors, (2093), 2027 states have call predecessors, (2093), 2090 states have call successors, (2093) [2024-11-24 01:06:26,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7784 states to 7784 states and 10710 transitions. [2024-11-24 01:06:26,185 INFO L78 Accepts]: Start accepts. Automaton has 7784 states and 10710 transitions. Word has length 231 [2024-11-24 01:06:26,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:06:26,187 INFO L471 AbstractCegarLoop]: Abstraction has 7784 states and 10710 transitions. [2024-11-24 01:06:26,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-24 01:06:26,187 INFO L276 IsEmpty]: Start isEmpty. Operand 7784 states and 10710 transitions. [2024-11-24 01:06:26,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-24 01:06:26,200 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:06:26,200 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-24 01:06:26,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:06:26,201 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:06:26,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:06:26,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1109947264, now seen corresponding path program 1 times [2024-11-24 01:06:26,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:06:26,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816694217] [2024-11-24 01:06:26,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:06:26,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:07:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:07:01,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1181 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1167 trivial. 0 not checked. [2024-11-24 01:07:01,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:07:01,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816694217] [2024-11-24 01:07:01,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816694217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:07:01,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:07:01,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:07:01,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728463838] [2024-11-24 01:07:01,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:07:01,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:07:01,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:07:01,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:07:01,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:07:01,012 INFO L87 Difference]: Start difference. First operand 7784 states and 10710 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-24 01:07:05,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:07:07,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:07:07,107 INFO L93 Difference]: Finished difference Result 18952 states and 26185 transitions. [2024-11-24 01:07:07,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:07:07,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 264 [2024-11-24 01:07:07,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:07:07,238 INFO L225 Difference]: With dead ends: 18952 [2024-11-24 01:07:07,238 INFO L226 Difference]: Without dead ends: 13187 [2024-11-24 01:07:07,275 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:07:07,277 INFO L435 NwaCegarLoop]: 5116 mSDtfsCounter, 2463 mSDsluCounter, 2617 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2463 SdHoareTripleChecker+Valid, 7733 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:07:07,279 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2463 Valid, 7733 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 40 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2024-11-24 01:07:07,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13187 states. [2024-11-24 01:07:07,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13187 to 13183. [2024-11-24 01:07:08,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13183 states, 8842 states have (on average 1.2578602126215788) internal successors, (11122), 9006 states have internal predecessors, (11122), 3527 states have call successors, (3527), 822 states have call predecessors, (3527), 811 states have return successors, (3528), 3426 states have call predecessors, (3528), 3523 states have call successors, (3528) [2024-11-24 01:07:08,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13183 states to 13183 states and 18177 transitions. [2024-11-24 01:07:08,085 INFO L78 Accepts]: Start accepts. Automaton has 13183 states and 18177 transitions. Word has length 264 [2024-11-24 01:07:08,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:07:08,086 INFO L471 AbstractCegarLoop]: Abstraction has 13183 states and 18177 transitions. [2024-11-24 01:07:08,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-24 01:07:08,087 INFO L276 IsEmpty]: Start isEmpty. Operand 13183 states and 18177 transitions. [2024-11-24 01:07:08,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-24 01:07:08,097 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:07:08,098 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-24 01:07:08,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:07:08,098 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:07:08,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:07:08,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1798816638, now seen corresponding path program 1 times [2024-11-24 01:07:08,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:07:08,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018002599] [2024-11-24 01:07:08,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:08,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:07:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:07:40,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1181 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1181 trivial. 0 not checked. [2024-11-24 01:07:40,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:07:40,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018002599] [2024-11-24 01:07:40,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018002599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:07:40,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:07:40,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:07:40,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825927844] [2024-11-24 01:07:40,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:07:40,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:07:40,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:07:40,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:07:40,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:07:40,747 INFO L87 Difference]: Start difference. First operand 13183 states and 18177 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-24 01:07:42,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:07:42,054 INFO L93 Difference]: Finished difference Result 13189 states and 18182 transitions. [2024-11-24 01:07:42,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:07:42,055 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 264 [2024-11-24 01:07:42,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:07:42,133 INFO L225 Difference]: With dead ends: 13189 [2024-11-24 01:07:42,133 INFO L226 Difference]: Without dead ends: 13187 [2024-11-24 01:07:42,143 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:07:42,146 INFO L435 NwaCegarLoop]: 2653 mSDtfsCounter, 2585 mSDsluCounter, 5296 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2586 SdHoareTripleChecker+Valid, 7949 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:07:42,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2586 Valid, 7949 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:07:42,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13187 states. [2024-11-24 01:07:42,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13187 to 13187. [2024-11-24 01:07:42,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13187 states, 8845 states have (on average 1.2577727529677785) internal successors, (11125), 9009 states have internal predecessors, (11125), 3527 states have call successors, (3527), 823 states have call predecessors, (3527), 812 states have return successors, (3528), 3426 states have call predecessors, (3528), 3523 states have call successors, (3528) [2024-11-24 01:07:42,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13187 states to 13187 states and 18180 transitions. [2024-11-24 01:07:42,879 INFO L78 Accepts]: Start accepts. Automaton has 13187 states and 18180 transitions. Word has length 264 [2024-11-24 01:07:42,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:07:42,882 INFO L471 AbstractCegarLoop]: Abstraction has 13187 states and 18180 transitions. [2024-11-24 01:07:42,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-24 01:07:42,883 INFO L276 IsEmpty]: Start isEmpty. Operand 13187 states and 18180 transitions. [2024-11-24 01:07:42,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-11-24 01:07:42,893 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:07:42,893 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-24 01:07:42,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 01:07:42,893 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:07:42,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:07:42,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1401265993, now seen corresponding path program 1 times [2024-11-24 01:07:42,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:07:42,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366620786] [2024-11-24 01:07:42,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:42,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:08:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:08:14,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1181 trivial. 0 not checked. [2024-11-24 01:08:14,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:08:14,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366620786] [2024-11-24 01:08:14,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366620786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:08:14,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:08:14,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:08:14,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902549848] [2024-11-24 01:08:14,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:08:14,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:08:14,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:08:14,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:08:14,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:08:14,392 INFO L87 Difference]: Start difference. First operand 13187 states and 18180 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-24 01:08:15,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:08:15,892 INFO L93 Difference]: Finished difference Result 13296 states and 18265 transitions. [2024-11-24 01:08:15,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:08:15,893 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 269 [2024-11-24 01:08:15,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:08:15,976 INFO L225 Difference]: With dead ends: 13296 [2024-11-24 01:08:15,976 INFO L226 Difference]: Without dead ends: 13294 [2024-11-24 01:08:15,988 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:08:15,989 INFO L435 NwaCegarLoop]: 2658 mSDtfsCounter, 2535 mSDsluCounter, 5355 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2536 SdHoareTripleChecker+Valid, 8013 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:08:15,989 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2536 Valid, 8013 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 01:08:16,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13294 states. [2024-11-24 01:08:16,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13294 to 13292. [2024-11-24 01:08:16,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13292 states, 8920 states have (on average 1.256390134529148) internal successors, (11207), 9084 states have internal predecessors, (11207), 3527 states have call successors, (3527), 853 states have call predecessors, (3527), 842 states have return successors, (3528), 3426 states have call predecessors, (3528), 3523 states have call successors, (3528) [2024-11-24 01:08:16,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13292 states to 13292 states and 18262 transitions. [2024-11-24 01:08:16,941 INFO L78 Accepts]: Start accepts. Automaton has 13292 states and 18262 transitions. Word has length 269 [2024-11-24 01:08:16,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:08:16,942 INFO L471 AbstractCegarLoop]: Abstraction has 13292 states and 18262 transitions. [2024-11-24 01:08:16,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-24 01:08:16,943 INFO L276 IsEmpty]: Start isEmpty. Operand 13292 states and 18262 transitions. [2024-11-24 01:08:16,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2024-11-24 01:08:16,957 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:08:16,957 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 5, 5, 5, 3, 2, 2, 2, 2, 2, 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] [2024-11-24 01:08:16,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 01:08:16,957 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:08:16,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:08:16,958 INFO L85 PathProgramCache]: Analyzing trace with hash 485051590, now seen corresponding path program 1 times [2024-11-24 01:08:16,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:08:16,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997493552] [2024-11-24 01:08:16,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:08:16,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:08:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:08:50,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1196 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1187 trivial. 0 not checked. [2024-11-24 01:08:50,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:08:50,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997493552] [2024-11-24 01:08:50,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997493552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:08:50,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:08:50,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:08:50,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267234592] [2024-11-24 01:08:50,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:08:50,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:08:50,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:08:50,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:08:50,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:08:50,611 INFO L87 Difference]: Start difference. First operand 13292 states and 18262 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-11-24 01:08:54,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:08:56,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:08:56,885 INFO L93 Difference]: Finished difference Result 30029 states and 41351 transitions. [2024-11-24 01:08:56,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:08:56,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 281 [2024-11-24 01:08:56,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:08:57,013 INFO L225 Difference]: With dead ends: 30029 [2024-11-24 01:08:57,014 INFO L226 Difference]: Without dead ends: 18767 [2024-11-24 01:08:57,074 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:08:57,075 INFO L435 NwaCegarLoop]: 5117 mSDtfsCounter, 2492 mSDsluCounter, 2619 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2492 SdHoareTripleChecker+Valid, 7736 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:08:57,075 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2492 Valid, 7736 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 41 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2024-11-24 01:08:57,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18767 states. [2024-11-24 01:08:58,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18767 to 18740. [2024-11-24 01:08:58,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18740 states, 12596 states have (on average 1.2579390282629406) internal successors, (15845), 12821 states have internal predecessors, (15845), 4960 states have call successors, (4960), 1196 states have call predecessors, (4960), 1181 states have return successors, (4963), 4825 states have call predecessors, (4963), 4956 states have call successors, (4963) [2024-11-24 01:08:58,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18740 states to 18740 states and 25768 transitions. [2024-11-24 01:08:58,353 INFO L78 Accepts]: Start accepts. Automaton has 18740 states and 25768 transitions. Word has length 281 [2024-11-24 01:08:58,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:08:58,355 INFO L471 AbstractCegarLoop]: Abstraction has 18740 states and 25768 transitions. [2024-11-24 01:08:58,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-11-24 01:08:58,356 INFO L276 IsEmpty]: Start isEmpty. Operand 18740 states and 25768 transitions. [2024-11-24 01:08:58,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-11-24 01:08:58,369 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:08:58,370 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-24 01:08:58,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 01:08:58,370 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:08:58,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:08:58,371 INFO L85 PathProgramCache]: Analyzing trace with hash -779683678, now seen corresponding path program 1 times [2024-11-24 01:08:58,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:08:58,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508857727] [2024-11-24 01:08:58,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:08:58,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:09:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:09:33,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1189 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1185 trivial. 0 not checked. [2024-11-24 01:09:33,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:09:33,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508857727] [2024-11-24 01:09:33,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508857727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:09:33,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:09:33,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:09:33,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300726503] [2024-11-24 01:09:33,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:09:33,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:09:33,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:09:33,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:09:33,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:09:33,426 INFO L87 Difference]: Start difference. First operand 18740 states and 25768 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-24 01:09:34,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:09:34,726 INFO L93 Difference]: Finished difference Result 18809 states and 25818 transitions. [2024-11-24 01:09:34,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:09:34,726 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 274 [2024-11-24 01:09:34,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:09:34,838 INFO L225 Difference]: With dead ends: 18809 [2024-11-24 01:09:34,838 INFO L226 Difference]: Without dead ends: 18807 [2024-11-24 01:09:34,853 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:09:34,854 INFO L435 NwaCegarLoop]: 2663 mSDtfsCounter, 2534 mSDsluCounter, 5365 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2535 SdHoareTripleChecker+Valid, 8028 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:09:34,854 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2535 Valid, 8028 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 01:09:34,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18807 states. [2024-11-24 01:09:35,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18807 to 18805. [2024-11-24 01:09:35,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18805 states, 12643 states have (on average 1.2569801471169817) internal successors, (15892), 12868 states have internal predecessors, (15892), 4960 states have call successors, (4960), 1214 states have call predecessors, (4960), 1199 states have return successors, (4963), 4825 states have call predecessors, (4963), 4956 states have call successors, (4963) [2024-11-24 01:09:35,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18805 states to 18805 states and 25815 transitions. [2024-11-24 01:09:36,232 INFO L78 Accepts]: Start accepts. Automaton has 18805 states and 25815 transitions. Word has length 274 [2024-11-24 01:09:36,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:09:36,233 INFO L471 AbstractCegarLoop]: Abstraction has 18805 states and 25815 transitions. [2024-11-24 01:09:36,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-24 01:09:36,234 INFO L276 IsEmpty]: Start isEmpty. Operand 18805 states and 25815 transitions. [2024-11-24 01:09:36,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-11-24 01:09:36,248 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:09:36,248 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-24 01:09:36,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 01:09:36,248 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:09:36,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:09:36,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1668392617, now seen corresponding path program 1 times [2024-11-24 01:09:36,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:09:36,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119895008] [2024-11-24 01:09:36,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:09:36,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:10:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:10:04,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1199 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1193 trivial. 0 not checked. [2024-11-24 01:10:04,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:10:04,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119895008] [2024-11-24 01:10:04,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119895008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:10:04,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:10:04,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:10:04,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057274335] [2024-11-24 01:10:04,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:10:04,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:10:04,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:10:04,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:10:04,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:10:04,473 INFO L87 Difference]: Start difference. First operand 18805 states and 25815 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-24 01:10:05,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:10:05,737 INFO L93 Difference]: Finished difference Result 18811 states and 25820 transitions. [2024-11-24 01:10:05,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:10:05,737 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 279 [2024-11-24 01:10:05,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:10:05,829 INFO L225 Difference]: With dead ends: 18811 [2024-11-24 01:10:05,829 INFO L226 Difference]: Without dead ends: 18809 [2024-11-24 01:10:05,839 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:10:05,841 INFO L435 NwaCegarLoop]: 2656 mSDtfsCounter, 2579 mSDsluCounter, 5297 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2580 SdHoareTripleChecker+Valid, 7953 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:10:05,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2580 Valid, 7953 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:10:05,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18809 states. [2024-11-24 01:10:06,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18809 to 18809. [2024-11-24 01:10:06,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18809 states, 12646 states have (on average 1.256919183931678) internal successors, (15895), 12871 states have internal predecessors, (15895), 4960 states have call successors, (4960), 1215 states have call predecessors, (4960), 1200 states have return successors, (4963), 4825 states have call predecessors, (4963), 4956 states have call successors, (4963) [2024-11-24 01:10:06,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18809 states to 18809 states and 25818 transitions. [2024-11-24 01:10:06,814 INFO L78 Accepts]: Start accepts. Automaton has 18809 states and 25818 transitions. Word has length 279 [2024-11-24 01:10:06,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:10:06,815 INFO L471 AbstractCegarLoop]: Abstraction has 18809 states and 25818 transitions. [2024-11-24 01:10:06,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-24 01:10:06,815 INFO L276 IsEmpty]: Start isEmpty. Operand 18809 states and 25818 transitions. [2024-11-24 01:10:06,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-24 01:10:06,824 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:10:06,824 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-24 01:10:06,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 01:10:06,824 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:10:06,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:10:06,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1796390082, now seen corresponding path program 1 times [2024-11-24 01:10:06,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:10:06,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778455070] [2024-11-24 01:10:06,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:10:06,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:10:32,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:10:34,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1213 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1205 trivial. 0 not checked. [2024-11-24 01:10:34,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:10:34,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778455070] [2024-11-24 01:10:34,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778455070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:10:34,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:10:34,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:10:34,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204563826] [2024-11-24 01:10:34,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:10:34,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:10:34,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:10:34,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:10:34,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:10:34,355 INFO L87 Difference]: Start difference. First operand 18809 states and 25818 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-24 01:10:35,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:10:35,410 INFO L93 Difference]: Finished difference Result 18815 states and 25823 transitions. [2024-11-24 01:10:35,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:10:35,411 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 284 [2024-11-24 01:10:35,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:10:35,525 INFO L225 Difference]: With dead ends: 18815 [2024-11-24 01:10:35,525 INFO L226 Difference]: Without dead ends: 18813 [2024-11-24 01:10:35,541 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:10:35,542 INFO L435 NwaCegarLoop]: 2656 mSDtfsCounter, 2578 mSDsluCounter, 5297 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2579 SdHoareTripleChecker+Valid, 7953 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:10:35,543 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2579 Valid, 7953 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:10:35,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18813 states. [2024-11-24 01:10:36,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18813 to 18813. [2024-11-24 01:10:36,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18813 states, 12649 states have (on average 1.256858249664005) internal successors, (15898), 12874 states have internal predecessors, (15898), 4960 states have call successors, (4960), 1216 states have call predecessors, (4960), 1201 states have return successors, (4963), 4825 states have call predecessors, (4963), 4956 states have call successors, (4963) [2024-11-24 01:10:36,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18813 states to 18813 states and 25821 transitions. [2024-11-24 01:10:36,998 INFO L78 Accepts]: Start accepts. Automaton has 18813 states and 25821 transitions. Word has length 284 [2024-11-24 01:10:36,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:10:36,999 INFO L471 AbstractCegarLoop]: Abstraction has 18813 states and 25821 transitions. [2024-11-24 01:10:36,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-24 01:10:36,999 INFO L276 IsEmpty]: Start isEmpty. Operand 18813 states and 25821 transitions. [2024-11-24 01:10:37,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2024-11-24 01:10:37,008 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:10:37,008 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-24 01:10:37,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 01:10:37,009 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:10:37,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:10:37,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1250580983, now seen corresponding path program 1 times [2024-11-24 01:10:37,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:10:37,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662383985] [2024-11-24 01:10:37,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:10:37,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:11:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:05,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1231 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1221 trivial. 0 not checked. [2024-11-24 01:11:05,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:11:05,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662383985] [2024-11-24 01:11:05,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662383985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:11:05,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:11:05,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:11:05,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738637092] [2024-11-24 01:11:05,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:11:05,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:11:05,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:11:05,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:11:05,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:11:05,727 INFO L87 Difference]: Start difference. First operand 18813 states and 25821 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-24 01:11:07,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:11:07,086 INFO L93 Difference]: Finished difference Result 18819 states and 25826 transitions. [2024-11-24 01:11:07,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:11:07,086 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 289 [2024-11-24 01:11:07,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:11:07,204 INFO L225 Difference]: With dead ends: 18819 [2024-11-24 01:11:07,204 INFO L226 Difference]: Without dead ends: 18817 [2024-11-24 01:11:07,222 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:11:07,222 INFO L435 NwaCegarLoop]: 2656 mSDtfsCounter, 2577 mSDsluCounter, 5297 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2578 SdHoareTripleChecker+Valid, 7953 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:11:07,223 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2578 Valid, 7953 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:11:07,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18817 states. [2024-11-24 01:11:08,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18817 to 18817. [2024-11-24 01:11:08,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18817 states, 12652 states have (on average 1.2567973442933924) internal successors, (15901), 12877 states have internal predecessors, (15901), 4960 states have call successors, (4960), 1217 states have call predecessors, (4960), 1202 states have return successors, (4963), 4825 states have call predecessors, (4963), 4956 states have call successors, (4963) [2024-11-24 01:11:08,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18817 states to 18817 states and 25824 transitions. [2024-11-24 01:11:08,626 INFO L78 Accepts]: Start accepts. Automaton has 18817 states and 25824 transitions. Word has length 289 [2024-11-24 01:11:08,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:11:08,627 INFO L471 AbstractCegarLoop]: Abstraction has 18817 states and 25824 transitions. [2024-11-24 01:11:08,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-24 01:11:08,627 INFO L276 IsEmpty]: Start isEmpty. Operand 18817 states and 25824 transitions. [2024-11-24 01:11:08,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-11-24 01:11:08,633 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:11:08,633 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 7, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-24 01:11:08,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 01:11:08,634 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:11:08,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:11:08,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1430157086, now seen corresponding path program 1 times [2024-11-24 01:11:08,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:11:08,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999195365] [2024-11-24 01:11:08,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:08,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:11:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:36,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1253 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1241 trivial. 0 not checked. [2024-11-24 01:11:36,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:11:36,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999195365] [2024-11-24 01:11:36,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999195365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:11:36,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:11:36,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:11:36,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896730491] [2024-11-24 01:11:36,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:11:36,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:11:36,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:11:36,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:11:36,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:11:36,284 INFO L87 Difference]: Start difference. First operand 18817 states and 25824 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-24 01:11:37,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:11:37,581 INFO L93 Difference]: Finished difference Result 18823 states and 25829 transitions. [2024-11-24 01:11:37,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:11:37,582 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 294 [2024-11-24 01:11:37,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:11:37,664 INFO L225 Difference]: With dead ends: 18823 [2024-11-24 01:11:37,664 INFO L226 Difference]: Without dead ends: 18821 [2024-11-24 01:11:37,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:11:37,674 INFO L435 NwaCegarLoop]: 2656 mSDtfsCounter, 2576 mSDsluCounter, 5297 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2577 SdHoareTripleChecker+Valid, 7953 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:11:37,674 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2577 Valid, 7953 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:11:37,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18821 states. [2024-11-24 01:11:38,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18821 to 18821. [2024-11-24 01:11:38,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18821 states, 12655 states have (on average 1.2567364677992887) internal successors, (15904), 12880 states have internal predecessors, (15904), 4960 states have call successors, (4960), 1218 states have call predecessors, (4960), 1203 states have return successors, (4963), 4825 states have call predecessors, (4963), 4956 states have call successors, (4963) [2024-11-24 01:11:38,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18821 states to 18821 states and 25827 transitions. [2024-11-24 01:11:38,580 INFO L78 Accepts]: Start accepts. Automaton has 18821 states and 25827 transitions. Word has length 294 [2024-11-24 01:11:38,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:11:38,581 INFO L471 AbstractCegarLoop]: Abstraction has 18821 states and 25827 transitions. [2024-11-24 01:11:38,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-24 01:11:38,581 INFO L276 IsEmpty]: Start isEmpty. Operand 18821 states and 25827 transitions. [2024-11-24 01:11:38,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2024-11-24 01:11:38,587 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:11:38,587 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 8, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-24 01:11:38,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-24 01:11:38,588 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:11:38,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:11:38,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1710988649, now seen corresponding path program 1 times [2024-11-24 01:11:38,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:11:38,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898475258] [2024-11-24 01:11:38,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:38,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:12:04,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:12:06,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1265 trivial. 0 not checked. [2024-11-24 01:12:06,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:12:06,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898475258] [2024-11-24 01:12:06,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898475258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:12:06,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:12:06,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:12:06,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583291171] [2024-11-24 01:12:06,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:12:06,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:12:06,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:12:06,409 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:12:06,409 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:12:06,409 INFO L87 Difference]: Start difference. First operand 18821 states and 25827 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-24 01:12:07,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:12:07,723 INFO L93 Difference]: Finished difference Result 18827 states and 25832 transitions. [2024-11-24 01:12:07,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:12:07,723 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 299 [2024-11-24 01:12:07,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:12:07,782 INFO L225 Difference]: With dead ends: 18827 [2024-11-24 01:12:07,782 INFO L226 Difference]: Without dead ends: 18823 [2024-11-24 01:12:07,789 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:12:07,790 INFO L435 NwaCegarLoop]: 2656 mSDtfsCounter, 2575 mSDsluCounter, 5297 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2576 SdHoareTripleChecker+Valid, 7953 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:12:07,790 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2576 Valid, 7953 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:12:07,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18823 states. [2024-11-24 01:12:08,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18823 to 18823. [2024-11-24 01:12:08,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18823 states, 12657 states have (on average 1.2566168918385083) internal successors, (15905), 12881 states have internal predecessors, (15905), 4960 states have call successors, (4960), 1219 states have call predecessors, (4960), 1203 states have return successors, (4963), 4825 states have call predecessors, (4963), 4956 states have call successors, (4963) [2024-11-24 01:12:08,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18823 states to 18823 states and 25828 transitions. [2024-11-24 01:12:08,798 INFO L78 Accepts]: Start accepts. Automaton has 18823 states and 25828 transitions. Word has length 299 [2024-11-24 01:12:08,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:12:08,799 INFO L471 AbstractCegarLoop]: Abstraction has 18823 states and 25828 transitions. [2024-11-24 01:12:08,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-24 01:12:08,799 INFO L276 IsEmpty]: Start isEmpty. Operand 18823 states and 25828 transitions. [2024-11-24 01:12:08,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-11-24 01:12:08,808 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:12:08,808 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 9, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-24 01:12:08,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-24 01:12:08,809 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:12:08,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:12:08,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1503044350, now seen corresponding path program 1 times [2024-11-24 01:12:08,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:12:08,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022867107] [2024-11-24 01:12:08,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:12:08,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:12:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:12:37,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1293 trivial. 0 not checked. [2024-11-24 01:12:37,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:12:37,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022867107] [2024-11-24 01:12:37,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022867107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:12:37,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:12:37,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:12:37,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103669961] [2024-11-24 01:12:37,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:12:37,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:12:37,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:12:37,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:12:37,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:12:37,566 INFO L87 Difference]: Start difference. First operand 18823 states and 25828 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-24 01:12:39,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:12:39,040 INFO L93 Difference]: Finished difference Result 18823 states and 25828 transitions. [2024-11-24 01:12:39,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:12:39,041 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 304 [2024-11-24 01:12:39,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:12:39,124 INFO L225 Difference]: With dead ends: 18823 [2024-11-24 01:12:39,125 INFO L226 Difference]: Without dead ends: 18667 [2024-11-24 01:12:39,134 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:12:39,135 INFO L435 NwaCegarLoop]: 2654 mSDtfsCounter, 2571 mSDsluCounter, 5295 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2571 SdHoareTripleChecker+Valid, 7949 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:12:39,135 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2571 Valid, 7949 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:12:39,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18667 states. [2024-11-24 01:12:40,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18667 to 18667. [2024-11-24 01:12:40,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18667 states, 12550 states have (on average 1.2575298804780877) internal successors, (15782), 12762 states have internal predecessors, (15782), 4924 states have call successors, (4924), 1205 states have call predecessors, (4924), 1191 states have return successors, (4931), 4802 states have call predecessors, (4931), 4924 states have call successors, (4931) [2024-11-24 01:12:40,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18667 states to 18667 states and 25637 transitions. [2024-11-24 01:12:40,616 INFO L78 Accepts]: Start accepts. Automaton has 18667 states and 25637 transitions. Word has length 304 [2024-11-24 01:12:40,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:12:40,617 INFO L471 AbstractCegarLoop]: Abstraction has 18667 states and 25637 transitions. [2024-11-24 01:12:40,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-24 01:12:40,617 INFO L276 IsEmpty]: Start isEmpty. Operand 18667 states and 25637 transitions. [2024-11-24 01:12:40,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-11-24 01:12:40,634 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:12:40,634 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 15, 15, 15, 15, 15, 15, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-24 01:12:40,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-24 01:12:40,635 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:12:40,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:12:40,635 INFO L85 PathProgramCache]: Analyzing trace with hash -217515354, now seen corresponding path program 1 times [2024-11-24 01:12:40,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:12:40,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245537341] [2024-11-24 01:12:40,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:12:40,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:13:17,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:13:18,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 1376 trivial. 0 not checked. [2024-11-24 01:13:18,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:13:18,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245537341] [2024-11-24 01:13:18,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245537341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:13:18,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:13:18,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:13:18,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138196015] [2024-11-24 01:13:18,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:13:18,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:13:18,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:13:18,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:13:18,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:13:18,129 INFO L87 Difference]: Start difference. First operand 18667 states and 25637 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-11-24 01:13:22,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:13:24,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:13:24,859 INFO L93 Difference]: Finished difference Result 40735 states and 56009 transitions. [2024-11-24 01:13:24,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:13:24,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 332 [2024-11-24 01:13:24,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:13:24,970 INFO L225 Difference]: With dead ends: 40735 [2024-11-24 01:13:24,970 INFO L226 Difference]: Without dead ends: 24093 [2024-11-24 01:13:25,028 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:13:25,029 INFO L435 NwaCegarLoop]: 5069 mSDtfsCounter, 2457 mSDsluCounter, 2576 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2457 SdHoareTripleChecker+Valid, 7645 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:13:25,029 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2457 Valid, 7645 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-24 01:13:25,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24093 states. [2024-11-24 01:13:26,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24093 to 18667. [2024-11-24 01:13:26,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18667 states, 12550 states have (on average 1.2575298804780877) internal successors, (15782), 12762 states have internal predecessors, (15782), 4924 states have call successors, (4924), 1205 states have call predecessors, (4924), 1191 states have return successors, (4931), 4802 states have call predecessors, (4931), 4924 states have call successors, (4931) [2024-11-24 01:13:26,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18667 states to 18667 states and 25637 transitions. [2024-11-24 01:13:26,695 INFO L78 Accepts]: Start accepts. Automaton has 18667 states and 25637 transitions. Word has length 332 [2024-11-24 01:13:26,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:13:26,697 INFO L471 AbstractCegarLoop]: Abstraction has 18667 states and 25637 transitions. [2024-11-24 01:13:26,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-11-24 01:13:26,697 INFO L276 IsEmpty]: Start isEmpty. Operand 18667 states and 25637 transitions. [2024-11-24 01:13:26,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-11-24 01:13:26,714 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:13:26,714 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 15, 15, 15, 15, 15, 15, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-24 01:13:26,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-24 01:13:26,715 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:13:26,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:13:26,716 INFO L85 PathProgramCache]: Analyzing trace with hash -710141528, now seen corresponding path program 1 times [2024-11-24 01:13:26,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:13:26,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913782208] [2024-11-24 01:13:26,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:13:26,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:13:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:13:58,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1401 trivial. 0 not checked. [2024-11-24 01:13:58,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:13:58,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913782208] [2024-11-24 01:13:58,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913782208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:13:58,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:13:58,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:13:58,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496130315] [2024-11-24 01:13:58,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:13:58,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:13:58,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:13:58,707 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:13:58,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:13:58,708 INFO L87 Difference]: Start difference. First operand 18667 states and 25637 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-24 01:14:02,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:14:06,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:14:06,960 INFO L93 Difference]: Finished difference Result 41497 states and 56908 transitions. [2024-11-24 01:14:06,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:14:06,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 332 [2024-11-24 01:14:06,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:14:07,074 INFO L225 Difference]: With dead ends: 41497 [2024-11-24 01:14:07,074 INFO L226 Difference]: Without dead ends: 24867 [2024-11-24 01:14:07,141 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:14:07,141 INFO L435 NwaCegarLoop]: 4186 mSDtfsCounter, 1610 mSDsluCounter, 2464 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1610 SdHoareTripleChecker+Valid, 6650 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:14:07,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1610 Valid, 6650 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 111 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2024-11-24 01:14:07,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24867 states. [2024-11-24 01:14:09,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24867 to 24859. [2024-11-24 01:14:09,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24859 states, 16615 states have (on average 1.2503761661149564) internal successors, (20775), 16903 states have internal predecessors, (20775), 6590 states have call successors, (6590), 1672 states have call predecessors, (6590), 1652 states have return successors, (6600), 6416 states have call predecessors, (6600), 6590 states have call successors, (6600) [2024-11-24 01:14:09,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24859 states to 24859 states and 33965 transitions. [2024-11-24 01:14:09,244 INFO L78 Accepts]: Start accepts. Automaton has 24859 states and 33965 transitions. Word has length 332 [2024-11-24 01:14:09,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:14:09,244 INFO L471 AbstractCegarLoop]: Abstraction has 24859 states and 33965 transitions. [2024-11-24 01:14:09,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-24 01:14:09,245 INFO L276 IsEmpty]: Start isEmpty. Operand 24859 states and 33965 transitions. [2024-11-24 01:14:09,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2024-11-24 01:14:09,275 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:14:09,275 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:14:09,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-24 01:14:09,276 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:14:09,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:14:09,277 INFO L85 PathProgramCache]: Analyzing trace with hash 186210271, now seen corresponding path program 1 times [2024-11-24 01:14:09,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:14:09,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123989156] [2024-11-24 01:14:09,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:14:09,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:14:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:14:50,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1846 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1842 trivial. 0 not checked. [2024-11-24 01:14:50,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:14:50,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123989156] [2024-11-24 01:14:50,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123989156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:14:50,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:14:50,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:14:50,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097238909] [2024-11-24 01:14:50,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:14:50,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:14:50,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:14:50,155 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:14:50,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:14:50,156 INFO L87 Difference]: Start difference. First operand 24859 states and 33965 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2024-11-24 01:14:54,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:14:59,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:14:59,245 INFO L93 Difference]: Finished difference Result 59905 states and 81914 transitions. [2024-11-24 01:14:59,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:14:59,246 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 477 [2024-11-24 01:14:59,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:14:59,368 INFO L225 Difference]: With dead ends: 59905 [2024-11-24 01:14:59,368 INFO L226 Difference]: Without dead ends: 34905 [2024-11-24 01:14:59,433 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:14:59,433 INFO L435 NwaCegarLoop]: 3124 mSDtfsCounter, 1990 mSDsluCounter, 2551 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1990 SdHoareTripleChecker+Valid, 5675 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:14:59,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1990 Valid, 5675 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2024-11-24 01:14:59,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34905 states. [2024-11-24 01:15:02,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34905 to 34895. [2024-11-24 01:15:02,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34895 states, 23848 states have (on average 1.2578832606507884) internal successors, (29998), 24210 states have internal predecessors, (29998), 8720 states have call successors, (8720), 2343 states have call predecessors, (8720), 2325 states have return successors, (8729), 8515 states have call predecessors, (8729), 8720 states have call successors, (8729) [2024-11-24 01:15:03,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34895 states to 34895 states and 47447 transitions. [2024-11-24 01:15:03,134 INFO L78 Accepts]: Start accepts. Automaton has 34895 states and 47447 transitions. Word has length 477 [2024-11-24 01:15:03,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:15:03,134 INFO L471 AbstractCegarLoop]: Abstraction has 34895 states and 47447 transitions. [2024-11-24 01:15:03,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2024-11-24 01:15:03,135 INFO L276 IsEmpty]: Start isEmpty. Operand 34895 states and 47447 transitions. [2024-11-24 01:15:03,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2024-11-24 01:15:03,243 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:15:03,245 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 29, 24, 24, 15, 15, 15, 15, 15, 15, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-24 01:15:03,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-24 01:15:03,245 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:15:03,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:15:03,247 INFO L85 PathProgramCache]: Analyzing trace with hash 463757047, now seen corresponding path program 1 times [2024-11-24 01:15:03,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:15:03,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303780437] [2024-11-24 01:15:03,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:15:03,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:15:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:15:47,193 INFO L134 CoverageAnalysis]: Checked inductivity of 3884 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3857 trivial. 0 not checked. [2024-11-24 01:15:47,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:15:47,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303780437] [2024-11-24 01:15:47,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303780437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:15:47,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:15:47,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:15:47,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681630720] [2024-11-24 01:15:47,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:15:47,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:15:47,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:15:47,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:15:47,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:15:47,215 INFO L87 Difference]: Start difference. First operand 34895 states and 47447 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-11-24 01:15:51,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []