./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752bd731-2d4d-42c3-aa71-0bee9b5d6b37/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752bd731-2d4d-42c3-aa71-0bee9b5d6b37/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752bd731-2d4d-42c3-aa71-0bee9b5d6b37/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752bd731-2d4d-42c3-aa71-0bee9b5d6b37/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752bd731-2d4d-42c3-aa71-0bee9b5d6b37/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752bd731-2d4d-42c3-aa71-0bee9b5d6b37/bin/uautomizer-verify-BQ2R08f2Ya --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 b230ba173626e1a1717879ee489b2ae4510c44810563ac66116e22604ac558a2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:02:56,890 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:02:56,953 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752bd731-2d4d-42c3-aa71-0bee9b5d6b37/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-29 04:02:56,957 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:02:56,958 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:02:56,982 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:02:56,982 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:02:56,983 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:02:56,984 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:02:56,984 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:02:56,985 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:02:56,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:02:56,986 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:02:56,986 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:02:56,987 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:02:56,987 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:02:56,988 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:02:56,988 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:02:56,989 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:02:56,989 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:02:56,990 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:02:56,992 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:02:56,992 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:02:56,992 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:02:56,993 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:02:56,993 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:02:56,993 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:02:56,994 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:02:56,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:02:56,995 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:02:56,995 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:02:56,995 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:02:56,996 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:02:56,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:02:56,996 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:02:56,997 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:02:56,997 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:02:56,997 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:02:56,998 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:02:56,998 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752bd731-2d4d-42c3-aa71-0bee9b5d6b37/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752bd731-2d4d-42c3-aa71-0bee9b5d6b37/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b230ba173626e1a1717879ee489b2ae4510c44810563ac66116e22604ac558a2 [2023-11-29 04:02:57,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:02:57,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:02:57,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:02:57,250 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:02:57,250 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:02:57,251 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752bd731-2d4d-42c3-aa71-0bee9b5d6b37/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2023-11-29 04:02:59,987 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:03:00,451 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:03:00,452 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752bd731-2d4d-42c3-aa71-0bee9b5d6b37/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2023-11-29 04:03:00,488 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752bd731-2d4d-42c3-aa71-0bee9b5d6b37/bin/uautomizer-verify-BQ2R08f2Ya/data/38569172e/f8f1b69311c34d51b1ae7ec85cb0bbee/FLAG1cd644799 [2023-11-29 04:03:00,501 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752bd731-2d4d-42c3-aa71-0bee9b5d6b37/bin/uautomizer-verify-BQ2R08f2Ya/data/38569172e/f8f1b69311c34d51b1ae7ec85cb0bbee [2023-11-29 04:03:00,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:03:00,505 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:03:00,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:03:00,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:03:00,510 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:03:00,511 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:03:00" (1/1) ... [2023-11-29 04:03:00,512 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5de57a86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:03:00, skipping insertion in model container [2023-11-29 04:03:00,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:03:00" (1/1) ... [2023-11-29 04:03:00,637 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:03:02,806 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752bd731-2d4d-42c3-aa71-0bee9b5d6b37/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309274,309287] [2023-11-29 04:03:02,810 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752bd731-2d4d-42c3-aa71-0bee9b5d6b37/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309443,309456] [2023-11-29 04:03:02,811 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752bd731-2d4d-42c3-aa71-0bee9b5d6b37/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309610,309623] [2023-11-29 04:03:02,812 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752bd731-2d4d-42c3-aa71-0bee9b5d6b37/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309778,309791] [2023-11-29 04:03:02,830 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:03:02,870 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:03:02,974 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"); [5242] [2023-11-29 04:03:02,976 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)); [5249] [2023-11-29 04:03:02,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5256] [2023-11-29 04:03:02,978 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)); [5293-5294] [2023-11-29 04:03:02,978 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"); [5299-5301] [2023-11-29 04:03:03,022 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5454-5455] [2023-11-29 04:03:03,024 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5488-5489] [2023-11-29 04:03:03,115 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7248] [2023-11-29 04:03:03,123 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7500] [2023-11-29 04:03:03,224 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752bd731-2d4d-42c3-aa71-0bee9b5d6b37/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309274,309287] [2023-11-29 04:03:03,224 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752bd731-2d4d-42c3-aa71-0bee9b5d6b37/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309443,309456] [2023-11-29 04:03:03,225 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752bd731-2d4d-42c3-aa71-0bee9b5d6b37/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309610,309623] [2023-11-29 04:03:03,225 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752bd731-2d4d-42c3-aa71-0bee9b5d6b37/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309778,309791] [2023-11-29 04:03:03,232 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:03:03,386 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:03:03,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:03:03 WrapperNode [2023-11-29 04:03:03,387 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:03:03,388 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:03:03,388 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:03:03,388 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:03:03,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:03:03" (1/1) ... [2023-11-29 04:03:03,465 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:03:03" (1/1) ... [2023-11-29 04:03:03,605 INFO L138 Inliner]: procedures = 412, calls = 1715, calls flagged for inlining = 195, calls inlined = 178, statements flattened = 4805 [2023-11-29 04:03:03,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:03:03,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:03:03,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:03:03,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:03:03,615 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:03:03" (1/1) ... [2023-11-29 04:03:03,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:03:03" (1/1) ... [2023-11-29 04:03:03,631 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:03:03" (1/1) ... [2023-11-29 04:03:04,679 INFO L175 MemorySlicer]: Split 771 memory accesses to 14 slices as follows [628, 8, 8, 2, 1, 2, 54, 5, 5, 50, 3, 2, 2, 1]. 81 percent of accesses are in the largest equivalence class. The 272 initializations are split as follows [148, 8, 8, 0, 1, 2, 54, 5, 5, 40, 1, 0, 0, 0]. The 176 writes are split as follows [173, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0]. [2023-11-29 04:03:04,680 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:03:03" (1/1) ... [2023-11-29 04:03:04,680 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:03:03" (1/1) ... [2023-11-29 04:03:04,778 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:03:03" (1/1) ... [2023-11-29 04:03:04,798 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:03:03" (1/1) ... [2023-11-29 04:03:04,821 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:03:03" (1/1) ... [2023-11-29 04:03:04,838 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:03:03" (1/1) ... [2023-11-29 04:03:04,900 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:03:04,901 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:03:04,901 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:03:04,901 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:03:04,902 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:03:03" (1/1) ... [2023-11-29 04:03:04,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:03:04,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752bd731-2d4d-42c3-aa71-0bee9b5d6b37/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:03:04,934 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752bd731-2d4d-42c3-aa71-0bee9b5d6b37/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:03:04,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752bd731-2d4d-42c3-aa71-0bee9b5d6b37/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:03:04,966 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-29 04:03:04,966 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-29 04:03:04,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-29 04:03:04,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-29 04:03:04,966 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-29 04:03:04,967 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-29 04:03:04,967 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-29 04:03:04,967 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-29 04:03:04,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-29 04:03:04,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-29 04:03:04,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-29 04:03:04,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-29 04:03:04,968 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-29 04:03:04,968 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-29 04:03:04,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2023-11-29 04:03:04,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2023-11-29 04:03:04,968 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-29 04:03:04,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-29 04:03:04,969 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-29 04:03:04,969 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-29 04:03:04,969 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-29 04:03:04,969 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-29 04:03:04,969 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2023-11-29 04:03:04,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2023-11-29 04:03:04,970 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_poll [2023-11-29 04:03:04,970 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_poll [2023-11-29 04:03:04,970 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-29 04:03:04,970 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-29 04:03:04,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-29 04:03:04,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-29 04:03:04,970 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-29 04:03:04,970 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-29 04:03:04,970 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-29 04:03:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-29 04:03:04,971 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-29 04:03:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-29 04:03:04,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-29 04:03:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-29 04:03:04,971 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-11-29 04:03:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-11-29 04:03:04,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 04:03:04,972 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_stop [2023-11-29 04:03:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_stop [2023-11-29 04:03:04,972 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-29 04:03:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-29 04:03:04,972 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-29 04:03:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-29 04:03:04,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-29 04:03:04,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-29 04:03:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-29 04:03:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-29 04:03:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-29 04:03:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-29 04:03:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-29 04:03:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-29 04:03:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-29 04:03:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-29 04:03:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-29 04:03:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-29 04:03:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-29 04:03:04,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-29 04:03:04,975 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-29 04:03:04,975 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-29 04:03:04,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-29 04:03:04,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-29 04:03:04,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-29 04:03:04,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-29 04:03:04,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-29 04:03:04,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-29 04:03:04,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-29 04:03:04,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-29 04:03:04,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-29 04:03:04,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-29 04:03:04,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-29 04:03:04,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-29 04:03:04,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-29 04:03:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-29 04:03:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-29 04:03:04,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-29 04:03:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_set_filter_mode [2023-11-29 04:03:04,977 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_set_filter_mode [2023-11-29 04:03:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write_1bit [2023-11-29 04:03:04,977 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write_1bit [2023-11-29 04:03:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 04:03:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 04:03:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 04:03:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 04:03:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 04:03:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 04:03:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-29 04:03:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-29 04:03:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-29 04:03:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-29 04:03:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-29 04:03:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-29 04:03:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-29 04:03:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-29 04:03:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2023-11-29 04:03:04,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2023-11-29 04:03:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-29 04:03:04,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-29 04:03:04,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2023-11-29 04:03:04,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2023-11-29 04:03:04,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2023-11-29 04:03:04,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2023-11-29 04:03:04,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2023-11-29 04:03:04,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2023-11-29 04:03:04,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2023-11-29 04:03:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2023-11-29 04:03:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2023-11-29 04:03:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2023-11-29 04:03:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2023-11-29 04:03:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2023-11-29 04:03:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2023-11-29 04:03:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2023-11-29 04:03:04,981 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2023-11-29 04:03:04,981 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2023-11-29 04:03:04,981 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2023-11-29 04:03:04,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2023-11-29 04:03:04,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2023-11-29 04:03:04,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2023-11-29 04:03:04,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2023-11-29 04:03:04,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2023-11-29 04:03:04,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2023-11-29 04:03:04,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2023-11-29 04:03:04,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2023-11-29 04:03:04,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2023-11-29 04:03:04,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2023-11-29 04:03:04,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2023-11-29 04:03:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-29 04:03:04,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-29 04:03:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-29 04:03:04,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-29 04:03:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-29 04:03:04,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-29 04:03:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-29 04:03:04,984 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-29 04:03:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-29 04:03:04,984 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-29 04:03:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read_1bit [2023-11-29 04:03:04,984 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read_1bit [2023-11-29 04:03:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-29 04:03:04,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-29 04:03:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reset_prepare [2023-11-29 04:03:04,985 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reset_prepare [2023-11-29 04:03:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 04:03:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-29 04:03:04,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-29 04:03:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-29 04:03:04,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-29 04:03:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:03:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2023-11-29 04:03:04,986 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2023-11-29 04:03:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-29 04:03:04,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-29 04:03:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-29 04:03:04,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-29 04:03:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 04:03:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 04:03:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 04:03:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-29 04:03:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-29 04:03:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-29 04:03:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-29 04:03:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-29 04:03:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-29 04:03:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-29 04:03:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-29 04:03:04,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-29 04:03:04,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-29 04:03:04,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-29 04:03:04,988 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-29 04:03:04,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-29 04:03:04,988 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-29 04:03:04,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-29 04:03:04,988 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-29 04:03:04,988 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-29 04:03:04,988 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-29 04:03:04,988 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-29 04:03:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-29 04:03:04,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-29 04:03:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-11-29 04:03:04,989 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-11-29 04:03:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:03:04,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:03:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reuse_skb [2023-11-29 04:03:04,989 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reuse_skb [2023-11-29 04:03:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_open [2023-11-29 04:03:04,989 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_open [2023-11-29 04:03:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-29 04:03:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-29 04:03:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-29 04:03:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-29 04:03:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-29 04:03:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-29 04:03:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-29 04:03:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-29 04:03:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-29 04:03:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-29 04:03:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-29 04:03:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-29 04:03:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-29 04:03:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-29 04:03:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-29 04:03:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-29 04:03:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-29 04:03:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-29 04:03:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-29 04:03:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-29 04:03:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-29 04:03:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-29 04:03:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-29 04:03:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-29 04:03:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-29 04:03:04,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-29 04:03:04,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-29 04:03:04,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-29 04:03:04,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-29 04:03:04,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-29 04:03:04,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-29 04:03:04,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-29 04:03:04,992 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-29 04:03:04,992 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-29 04:03:04,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_uli526x_board_info [2023-11-29 04:03:04,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_uli526x_board_info [2023-11-29 04:03:04,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-29 04:03:04,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-29 04:03:04,993 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-29 04:03:04,993 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-29 04:03:04,993 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-29 04:03:04,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-29 04:03:04,993 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-29 04:03:04,993 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-29 04:03:04,993 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-29 04:03:04,993 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-29 04:03:04,993 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2023-11-29 04:03:04,994 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2023-11-29 04:03:04,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2023-11-29 04:03:04,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2023-11-29 04:03:04,994 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-29 04:03:04,994 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-29 04:03:04,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 04:03:04,994 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-29 04:03:04,994 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-29 04:03:04,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 04:03:04,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 04:03:04,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 04:03:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-29 04:03:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-29 04:03:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-29 04:03:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-29 04:03:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-29 04:03:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-29 04:03:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-29 04:03:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-29 04:03:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-29 04:03:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-29 04:03:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-29 04:03:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-29 04:03:04,996 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-29 04:03:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-29 04:03:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-29 04:03:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-29 04:03:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-29 04:03:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-29 04:03:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-29 04:03:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-29 04:03:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-29 04:03:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-29 04:03:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-29 04:03:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-29 04:03:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-29 04:03:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-29 04:03:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-29 04:03:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-29 04:03:04,997 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-29 04:03:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-29 04:03:04,997 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-29 04:03:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-29 04:03:04,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-29 04:03:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_resume [2023-11-29 04:03:04,997 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_resume [2023-11-29 04:03:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-29 04:03:04,998 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-29 04:03:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_interrupt [2023-11-29 04:03:04,998 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_interrupt [2023-11-29 04:03:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2023-11-29 04:03:04,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2023-11-29 04:03:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_remove_one [2023-11-29 04:03:04,998 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_remove_one [2023-11-29 04:03:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2023-11-29 04:03:04,998 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2023-11-29 04:03:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 04:03:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 04:03:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 04:03:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 04:03:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 04:03:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 04:03:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-29 04:03:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-29 04:03:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-29 04:03:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-29 04:03:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-29 04:03:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-29 04:03:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-29 04:03:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-29 04:03:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-29 04:03:05,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-29 04:03:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2023-11-29 04:03:05,000 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2023-11-29 04:03:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_free_rxbuffer [2023-11-29 04:03:05,000 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_free_rxbuffer [2023-11-29 04:03:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-29 04:03:05,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-29 04:03:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-29 04:03:05,000 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-29 04:03:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-29 04:03:05,000 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-29 04:03:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_init [2023-11-29 04:03:05,001 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_init [2023-11-29 04:03:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 04:03:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 04:03:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 04:03:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 04:03:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 04:03:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 04:03:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 04:03:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-29 04:03:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-29 04:03:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-29 04:03:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-29 04:03:05,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-29 04:03:05,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-29 04:03:05,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-29 04:03:05,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-29 04:03:05,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-29 04:03:05,717 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:03:05,720 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:03:06,223 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-29 04:03:09,247 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-29 04:03:09,348 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:03:09,700 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:03:09,700 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 04:03:09,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:03:09 BoogieIcfgContainer [2023-11-29 04:03:09,701 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:03:09,704 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:03:09,704 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:03:09,708 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:03:09,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:03:00" (1/3) ... [2023-11-29 04:03:09,709 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24bb056c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:03:09, skipping insertion in model container [2023-11-29 04:03:09,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:03:03" (2/3) ... [2023-11-29 04:03:09,709 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24bb056c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:03:09, skipping insertion in model container [2023-11-29 04:03:09,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:03:09" (3/3) ... [2023-11-29 04:03:09,710 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2023-11-29 04:03:09,731 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:03:09,731 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-29 04:03:09,820 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:03:09,827 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@38138d98, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:03:09,828 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-29 04:03:09,839 INFO L276 IsEmpty]: Start isEmpty. Operand has 1483 states, 969 states have (on average 1.4406604747162022) internal successors, (1396), 990 states have internal predecessors, (1396), 430 states have call successors, (430), 82 states have call predecessors, (430), 81 states have return successors, (424), 418 states have call predecessors, (424), 424 states have call successors, (424) [2023-11-29 04:03:09,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-29 04:03:09,861 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:09,862 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:09,863 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 04:03:09,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:09,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1171566891, now seen corresponding path program 1 times [2023-11-29 04:03:09,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:03:09,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091123077] [2023-11-29 04:03:09,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:09,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:03:10,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:10,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:10,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:10,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:03:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:10,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:10,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:03:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:10,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:10,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 04:03:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:10,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:10,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:03:10,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:10,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:10,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 04:03:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:10,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:10,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 04:03:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:10,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:10,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:03:10,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:10,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:10,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 04:03:10,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:10,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:10,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 04:03:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:10,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-29 04:03:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:10,697 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-11-29 04:03:10,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:03:10,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091123077] [2023-11-29 04:03:10,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091123077] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:10,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:10,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:03:10,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5111160] [2023-11-29 04:03:10,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:10,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:03:10,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:03:10,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:03:10,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:03:10,733 INFO L87 Difference]: Start difference. First operand has 1483 states, 969 states have (on average 1.4406604747162022) internal successors, (1396), 990 states have internal predecessors, (1396), 430 states have call successors, (430), 82 states have call predecessors, (430), 81 states have return successors, (424), 418 states have call predecessors, (424), 424 states have call successors, (424) Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-29 04:03:15,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:15,688 INFO L93 Difference]: Finished difference Result 4631 states and 7296 transitions. [2023-11-29 04:03:15,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:03:15,691 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 111 [2023-11-29 04:03:15,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:15,731 INFO L225 Difference]: With dead ends: 4631 [2023-11-29 04:03:15,731 INFO L226 Difference]: Without dead ends: 3157 [2023-11-29 04:03:15,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:03:15,748 INFO L413 NwaCegarLoop]: 1387 mSDtfsCounter, 3359 mSDsluCounter, 1816 mSDsCounter, 0 mSdLazyCounter, 2295 mSolverCounterSat, 1312 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3767 SdHoareTripleChecker+Valid, 3203 SdHoareTripleChecker+Invalid, 3607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1312 IncrementalHoareTripleChecker+Valid, 2295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:15,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3767 Valid, 3203 Invalid, 3607 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1312 Valid, 2295 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-11-29 04:03:15,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3157 states. [2023-11-29 04:03:15,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3157 to 2839. [2023-11-29 04:03:15,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2839 states, 1875 states have (on average 1.4133333333333333) internal successors, (2650), 1916 states have internal predecessors, (2650), 803 states have call successors, (803), 159 states have call predecessors, (803), 158 states have return successors, (799), 787 states have call predecessors, (799), 799 states have call successors, (799) [2023-11-29 04:03:15,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2839 states and 4252 transitions. [2023-11-29 04:03:15,972 INFO L78 Accepts]: Start accepts. Automaton has 2839 states and 4252 transitions. Word has length 111 [2023-11-29 04:03:15,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:15,973 INFO L495 AbstractCegarLoop]: Abstraction has 2839 states and 4252 transitions. [2023-11-29 04:03:15,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-29 04:03:15,973 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 4252 transitions. [2023-11-29 04:03:15,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-29 04:03:15,979 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:15,979 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:15,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:03:15,980 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 04:03:15,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:15,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1096984250, now seen corresponding path program 1 times [2023-11-29 04:03:15,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:03:15,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612367173] [2023-11-29 04:03:15,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:15,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:03:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:16,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:16,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:16,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:03:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:16,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:16,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:16,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:03:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:16,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:16,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 04:03:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:16,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:16,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:03:16,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:16,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:16,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 04:03:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:16,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:16,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 04:03:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:16,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:16,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:03:16,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:16,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:16,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:16,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 04:03:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:16,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:16,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 04:03:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:16,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 04:03:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:16,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-29 04:03:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:16,343 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-11-29 04:03:16,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:03:16,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612367173] [2023-11-29 04:03:16,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612367173] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:16,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:16,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:03:16,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170830823] [2023-11-29 04:03:16,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:16,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:03:16,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:03:16,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:03:16,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:03:16,347 INFO L87 Difference]: Start difference. First operand 2839 states and 4252 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 04:03:21,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:21,099 INFO L93 Difference]: Finished difference Result 9039 states and 13663 transitions. [2023-11-29 04:03:21,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:03:21,100 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 115 [2023-11-29 04:03:21,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:21,143 INFO L225 Difference]: With dead ends: 9039 [2023-11-29 04:03:21,144 INFO L226 Difference]: Without dead ends: 6219 [2023-11-29 04:03:21,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:03:21,157 INFO L413 NwaCegarLoop]: 1383 mSDtfsCounter, 3365 mSDsluCounter, 1856 mSDsCounter, 0 mSdLazyCounter, 2256 mSolverCounterSat, 1367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3766 SdHoareTripleChecker+Valid, 3239 SdHoareTripleChecker+Invalid, 3623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1367 IncrementalHoareTripleChecker+Valid, 2256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:21,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3766 Valid, 3239 Invalid, 3623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1367 Valid, 2256 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-11-29 04:03:21,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6219 states. [2023-11-29 04:03:21,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6219 to 5837. [2023-11-29 04:03:21,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5837 states, 3914 states have (on average 1.4233520694941237) internal successors, (5571), 4010 states have internal predecessors, (5571), 1597 states have call successors, (1597), 316 states have call predecessors, (1597), 323 states have return successors, (1631), 1562 states have call predecessors, (1631), 1593 states have call successors, (1631) [2023-11-29 04:03:21,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5837 states to 5837 states and 8799 transitions. [2023-11-29 04:03:21,503 INFO L78 Accepts]: Start accepts. Automaton has 5837 states and 8799 transitions. Word has length 115 [2023-11-29 04:03:21,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:21,504 INFO L495 AbstractCegarLoop]: Abstraction has 5837 states and 8799 transitions. [2023-11-29 04:03:21,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 04:03:21,505 INFO L276 IsEmpty]: Start isEmpty. Operand 5837 states and 8799 transitions. [2023-11-29 04:03:21,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-29 04:03:21,507 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:21,507 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:21,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 04:03:21,508 INFO L420 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)] === [2023-11-29 04:03:21,508 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:21,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1578083667, now seen corresponding path program 1 times [2023-11-29 04:03:21,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:03:21,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327116246] [2023-11-29 04:03:21,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:21,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:03:21,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:21,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:21,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:21,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:21,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:03:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:21,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:21,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:03:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:21,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:21,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 04:03:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:21,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:21,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:03:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:21,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:21,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 04:03:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:21,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:21,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 04:03:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:21,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:21,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:03:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:21,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:21,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 04:03:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:21,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:21,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 04:03:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:21,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 04:03:21,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:21,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-29 04:03:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:21,896 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-11-29 04:03:21,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:03:21,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327116246] [2023-11-29 04:03:21,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327116246] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:21,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:21,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:03:21,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982196230] [2023-11-29 04:03:21,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:21,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:03:21,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:03:21,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:03:21,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:03:21,899 INFO L87 Difference]: Start difference. First operand 5837 states and 8799 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 04:03:26,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:26,219 INFO L93 Difference]: Finished difference Result 17501 states and 26414 transitions. [2023-11-29 04:03:26,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:03:26,219 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 115 [2023-11-29 04:03:26,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:26,288 INFO L225 Difference]: With dead ends: 17501 [2023-11-29 04:03:26,288 INFO L226 Difference]: Without dead ends: 11683 [2023-11-29 04:03:26,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:03:26,314 INFO L413 NwaCegarLoop]: 1561 mSDtfsCounter, 3043 mSDsluCounter, 1904 mSDsCounter, 0 mSdLazyCounter, 2321 mSolverCounterSat, 1255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3408 SdHoareTripleChecker+Valid, 3465 SdHoareTripleChecker+Invalid, 3576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1255 IncrementalHoareTripleChecker+Valid, 2321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:26,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3408 Valid, 3465 Invalid, 3576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1255 Valid, 2321 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-11-29 04:03:26,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11683 states. [2023-11-29 04:03:26,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11683 to 10669. [2023-11-29 04:03:26,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10669 states, 7100 states have (on average 1.4119718309859155) internal successors, (10025), 7280 states have internal predecessors, (10025), 2945 states have call successors, (2945), 622 states have call predecessors, (2945), 621 states have return successors, (2987), 2862 states have call predecessors, (2987), 2941 states have call successors, (2987) [2023-11-29 04:03:26,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10669 states to 10669 states and 15957 transitions. [2023-11-29 04:03:27,003 INFO L78 Accepts]: Start accepts. Automaton has 10669 states and 15957 transitions. Word has length 115 [2023-11-29 04:03:27,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:27,004 INFO L495 AbstractCegarLoop]: Abstraction has 10669 states and 15957 transitions. [2023-11-29 04:03:27,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 04:03:27,004 INFO L276 IsEmpty]: Start isEmpty. Operand 10669 states and 15957 transitions. [2023-11-29 04:03:27,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-29 04:03:27,007 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:27,007 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:27,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 04:03:27,007 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 04:03:27,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:27,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1629305145, now seen corresponding path program 1 times [2023-11-29 04:03:27,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:03:27,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403647206] [2023-11-29 04:03:27,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:27,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:03:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:27,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:27,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:27,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:03:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:27,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:27,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:03:27,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:27,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:27,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 04:03:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:27,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:27,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:03:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:27,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:27,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 04:03:27,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:27,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:27,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 04:03:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:27,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:27,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:03:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:27,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:27,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 04:03:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:27,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:27,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 04:03:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:27,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-29 04:03:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:27,353 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-11-29 04:03:27,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:03:27,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403647206] [2023-11-29 04:03:27,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403647206] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:27,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:27,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:03:27,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263071911] [2023-11-29 04:03:27,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:27,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:03:27,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:03:27,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:03:27,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:03:27,356 INFO L87 Difference]: Start difference. First operand 10669 states and 15957 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-29 04:03:31,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:31,121 INFO L93 Difference]: Finished difference Result 22189 states and 33361 transitions. [2023-11-29 04:03:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:03:31,121 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 120 [2023-11-29 04:03:31,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:31,186 INFO L225 Difference]: With dead ends: 22189 [2023-11-29 04:03:31,186 INFO L226 Difference]: Without dead ends: 11539 [2023-11-29 04:03:31,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:03:31,233 INFO L413 NwaCegarLoop]: 1582 mSDtfsCounter, 2642 mSDsluCounter, 1836 mSDsCounter, 0 mSdLazyCounter, 2454 mSolverCounterSat, 996 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2958 SdHoareTripleChecker+Valid, 3418 SdHoareTripleChecker+Invalid, 3450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 996 IncrementalHoareTripleChecker+Valid, 2454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:31,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2958 Valid, 3418 Invalid, 3450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [996 Valid, 2454 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-29 04:03:31,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11539 states. [2023-11-29 04:03:31,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11539 to 10156. [2023-11-29 04:03:31,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10156 states, 6897 states have (on average 1.4174278671886327) internal successors, (9776), 7061 states have internal predecessors, (9776), 2630 states have call successors, (2630), 631 states have call predecessors, (2630), 626 states have return successors, (2649), 2544 states have call predecessors, (2649), 2626 states have call successors, (2649) [2023-11-29 04:03:31,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10156 states to 10156 states and 15055 transitions. [2023-11-29 04:03:31,839 INFO L78 Accepts]: Start accepts. Automaton has 10156 states and 15055 transitions. Word has length 120 [2023-11-29 04:03:31,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:31,840 INFO L495 AbstractCegarLoop]: Abstraction has 10156 states and 15055 transitions. [2023-11-29 04:03:31,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-29 04:03:31,840 INFO L276 IsEmpty]: Start isEmpty. Operand 10156 states and 15055 transitions. [2023-11-29 04:03:31,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-29 04:03:31,842 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:31,842 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:31,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 04:03:31,843 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 04:03:31,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:31,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1571867134, now seen corresponding path program 1 times [2023-11-29 04:03:31,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:03:31,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975792033] [2023-11-29 04:03:31,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:31,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:03:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:31,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:32,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:32,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:32,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:32,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:03:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:32,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:32,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:32,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:03:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:32,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:32,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 04:03:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:32,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:32,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:03:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:32,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:32,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 04:03:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:32,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:32,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 04:03:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:32,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:32,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:03:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:32,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:32,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 04:03:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:32,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:32,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 04:03:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:32,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-29 04:03:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:32,118 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-11-29 04:03:32,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:03:32,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975792033] [2023-11-29 04:03:32,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975792033] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:32,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:32,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:03:32,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056003824] [2023-11-29 04:03:32,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:32,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:03:32,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:03:32,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:03:32,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:03:32,121 INFO L87 Difference]: Start difference. First operand 10156 states and 15055 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-29 04:03:36,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:36,413 INFO L93 Difference]: Finished difference Result 28415 states and 42418 transitions. [2023-11-29 04:03:36,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:03:36,414 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 123 [2023-11-29 04:03:36,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:36,470 INFO L225 Difference]: With dead ends: 28415 [2023-11-29 04:03:36,470 INFO L226 Difference]: Without dead ends: 18278 [2023-11-29 04:03:36,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:03:36,498 INFO L413 NwaCegarLoop]: 1373 mSDtfsCounter, 3214 mSDsluCounter, 1840 mSDsCounter, 0 mSdLazyCounter, 2268 mSolverCounterSat, 1339 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3592 SdHoareTripleChecker+Valid, 3213 SdHoareTripleChecker+Invalid, 3607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1339 IncrementalHoareTripleChecker+Valid, 2268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:36,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3592 Valid, 3213 Invalid, 3607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1339 Valid, 2268 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-29 04:03:36,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18278 states. [2023-11-29 04:03:37,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18278 to 16204. [2023-11-29 04:03:37,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16204 states, 10916 states have (on average 1.4089410040307806) internal successors, (15380), 11181 states have internal predecessors, (15380), 4259 states have call successors, (4259), 1042 states have call predecessors, (4259), 1026 states have return successors, (4285), 4097 states have call predecessors, (4285), 4255 states have call successors, (4285) [2023-11-29 04:03:37,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16204 states to 16204 states and 23924 transitions. [2023-11-29 04:03:37,113 INFO L78 Accepts]: Start accepts. Automaton has 16204 states and 23924 transitions. Word has length 123 [2023-11-29 04:03:37,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:37,114 INFO L495 AbstractCegarLoop]: Abstraction has 16204 states and 23924 transitions. [2023-11-29 04:03:37,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-29 04:03:37,114 INFO L276 IsEmpty]: Start isEmpty. Operand 16204 states and 23924 transitions. [2023-11-29 04:03:37,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 04:03:37,115 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:37,116 INFO L195 NwaCegarLoop]: trace histogram [11, 9, 9, 9, 9, 9, 9, 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] [2023-11-29 04:03:37,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 04:03:37,116 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 04:03:37,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:37,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1981023288, now seen corresponding path program 1 times [2023-11-29 04:03:37,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:03:37,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808766798] [2023-11-29 04:03:37,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:37,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:03:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:37,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:37,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:37,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:03:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:37,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:37,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:03:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:37,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:37,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:37,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 04:03:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:37,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:37,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:03:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:37,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:37,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 04:03:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:37,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:37,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 04:03:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:37,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:37,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:03:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:37,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:37,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 04:03:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:37,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:37,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 04:03:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:37,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 04:03:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:37,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-29 04:03:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:37,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 04:03:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:37,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-29 04:03:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:37,380 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2023-11-29 04:03:37,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:03:37,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808766798] [2023-11-29 04:03:37,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808766798] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:37,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:37,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:03:37,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213117204] [2023-11-29 04:03:37,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:37,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:03:37,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:03:37,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:03:37,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:03:37,382 INFO L87 Difference]: Start difference. First operand 16204 states and 23924 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-29 04:03:42,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:42,367 INFO L93 Difference]: Finished difference Result 51342 states and 76564 transitions. [2023-11-29 04:03:42,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:03:42,368 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 133 [2023-11-29 04:03:42,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:42,523 INFO L225 Difference]: With dead ends: 51342 [2023-11-29 04:03:42,523 INFO L226 Difference]: Without dead ends: 35157 [2023-11-29 04:03:42,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:03:42,578 INFO L413 NwaCegarLoop]: 1629 mSDtfsCounter, 3327 mSDsluCounter, 2040 mSDsCounter, 0 mSdLazyCounter, 2431 mSolverCounterSat, 1295 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3740 SdHoareTripleChecker+Valid, 3669 SdHoareTripleChecker+Invalid, 3726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1295 IncrementalHoareTripleChecker+Valid, 2431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:42,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3740 Valid, 3669 Invalid, 3726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1295 Valid, 2431 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-11-29 04:03:42,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35157 states. [2023-11-29 04:03:44,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35157 to 31081. [2023-11-29 04:03:44,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31081 states, 20919 states have (on average 1.4089105597781921) internal successors, (29473), 21461 states have internal predecessors, (29473), 8188 states have call successors, (8188), 2002 states have call predecessors, (8188), 1971 states have return successors, (8244), 7845 states have call predecessors, (8244), 8184 states have call successors, (8244) [2023-11-29 04:03:44,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31081 states to 31081 states and 45905 transitions. [2023-11-29 04:03:44,231 INFO L78 Accepts]: Start accepts. Automaton has 31081 states and 45905 transitions. Word has length 133 [2023-11-29 04:03:44,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:44,231 INFO L495 AbstractCegarLoop]: Abstraction has 31081 states and 45905 transitions. [2023-11-29 04:03:44,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-29 04:03:44,232 INFO L276 IsEmpty]: Start isEmpty. Operand 31081 states and 45905 transitions. [2023-11-29 04:03:44,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-29 04:03:44,235 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:44,235 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 4, 4, 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] [2023-11-29 04:03:44,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 04:03:44,235 INFO L420 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)] === [2023-11-29 04:03:44,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:44,236 INFO L85 PathProgramCache]: Analyzing trace with hash 317283158, now seen corresponding path program 1 times [2023-11-29 04:03:44,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:03:44,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674645459] [2023-11-29 04:03:44,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:44,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:03:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:44,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:44,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:44,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:44,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:03:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:44,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:44,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:03:44,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:44,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:44,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 04:03:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:44,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:44,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:03:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:44,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:44,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 04:03:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:44,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:44,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 04:03:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:44,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:44,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:03:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:44,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:44,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 04:03:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:44,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:44,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 04:03:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:44,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 04:03:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:44,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 04:03:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:44,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-29 04:03:44,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:44,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-29 04:03:44,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:44,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-29 04:03:44,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:44,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:44,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-11-29 04:03:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:44,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-29 04:03:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:44,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-29 04:03:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:44,593 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2023-11-29 04:03:44,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:03:44,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674645459] [2023-11-29 04:03:44,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674645459] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:44,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:44,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:03:44,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107474179] [2023-11-29 04:03:44,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:44,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:03:44,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:03:44,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:03:44,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:03:44,595 INFO L87 Difference]: Start difference. First operand 31081 states and 45905 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-29 04:03:48,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:48,276 INFO L93 Difference]: Finished difference Result 66111 states and 98371 transitions. [2023-11-29 04:03:48,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:03:48,277 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 164 [2023-11-29 04:03:48,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:48,464 INFO L225 Difference]: With dead ends: 66111 [2023-11-29 04:03:48,464 INFO L226 Difference]: Without dead ends: 35099 [2023-11-29 04:03:48,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:03:48,538 INFO L413 NwaCegarLoop]: 1367 mSDtfsCounter, 2533 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 1209 mSolverCounterSat, 1050 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2748 SdHoareTripleChecker+Valid, 2059 SdHoareTripleChecker+Invalid, 2259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1050 IncrementalHoareTripleChecker+Valid, 1209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:48,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2748 Valid, 2059 Invalid, 2259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1050 Valid, 1209 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-29 04:03:48,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35099 states. [2023-11-29 04:03:49,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35099 to 31081. [2023-11-29 04:03:49,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31081 states, 20919 states have (on average 1.407380849945026) internal successors, (29441), 21461 states have internal predecessors, (29441), 8188 states have call successors, (8188), 2002 states have call predecessors, (8188), 1971 states have return successors, (8244), 7845 states have call predecessors, (8244), 8184 states have call successors, (8244) [2023-11-29 04:03:49,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31081 states to 31081 states and 45873 transitions. [2023-11-29 04:03:49,920 INFO L78 Accepts]: Start accepts. Automaton has 31081 states and 45873 transitions. Word has length 164 [2023-11-29 04:03:49,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:49,920 INFO L495 AbstractCegarLoop]: Abstraction has 31081 states and 45873 transitions. [2023-11-29 04:03:49,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-29 04:03:49,920 INFO L276 IsEmpty]: Start isEmpty. Operand 31081 states and 45873 transitions. [2023-11-29 04:03:49,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-29 04:03:49,922 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:49,923 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 4, 4, 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] [2023-11-29 04:03:49,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 04:03:49,923 INFO L420 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)] === [2023-11-29 04:03:49,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:49,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1711302952, now seen corresponding path program 1 times [2023-11-29 04:03:49,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:03:49,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097696098] [2023-11-29 04:03:49,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:49,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:03:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:50,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:50,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:50,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:03:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:50,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:50,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:03:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:50,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:50,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 04:03:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:50,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:50,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:50,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:03:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:50,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:50,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 04:03:50,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:50,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:50,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 04:03:50,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:50,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:50,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:03:50,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:50,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:50,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 04:03:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:50,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:50,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 04:03:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:50,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 04:03:50,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:50,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 04:03:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:50,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-29 04:03:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:50,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-29 04:03:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:50,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-29 04:03:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:50,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:50,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-11-29 04:03:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:50,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-29 04:03:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:50,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-29 04:03:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:50,443 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2023-11-29 04:03:50,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:03:50,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097696098] [2023-11-29 04:03:50,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097696098] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:50,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:50,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:03:50,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477535462] [2023-11-29 04:03:50,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:50,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:03:50,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:03:50,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:03:50,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:03:50,446 INFO L87 Difference]: Start difference. First operand 31081 states and 45873 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-29 04:03:54,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:54,179 INFO L93 Difference]: Finished difference Result 66079 states and 98275 transitions. [2023-11-29 04:03:54,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:03:54,180 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 164 [2023-11-29 04:03:54,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:54,391 INFO L225 Difference]: With dead ends: 66079 [2023-11-29 04:03:54,391 INFO L226 Difference]: Without dead ends: 35067 [2023-11-29 04:03:54,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:03:54,445 INFO L413 NwaCegarLoop]: 1360 mSDtfsCounter, 2526 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 1213 mSolverCounterSat, 1053 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2740 SdHoareTripleChecker+Valid, 2045 SdHoareTripleChecker+Invalid, 2266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1053 IncrementalHoareTripleChecker+Valid, 1213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:54,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2740 Valid, 2045 Invalid, 2266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1053 Valid, 1213 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-29 04:03:54,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35067 states. [2023-11-29 04:03:55,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35067 to 31049. [2023-11-29 04:03:55,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31049 states, 20887 states have (on average 1.401876765452195) internal successors, (29281), 21429 states have internal predecessors, (29281), 8188 states have call successors, (8188), 2002 states have call predecessors, (8188), 1971 states have return successors, (8244), 7845 states have call predecessors, (8244), 8184 states have call successors, (8244) [2023-11-29 04:03:55,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31049 states to 31049 states and 45713 transitions. [2023-11-29 04:03:55,818 INFO L78 Accepts]: Start accepts. Automaton has 31049 states and 45713 transitions. Word has length 164 [2023-11-29 04:03:55,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:55,819 INFO L495 AbstractCegarLoop]: Abstraction has 31049 states and 45713 transitions. [2023-11-29 04:03:55,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-29 04:03:55,819 INFO L276 IsEmpty]: Start isEmpty. Operand 31049 states and 45713 transitions. [2023-11-29 04:03:55,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-29 04:03:55,821 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:55,821 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 4, 4, 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] [2023-11-29 04:03:55,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 04:03:55,822 INFO L420 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)] === [2023-11-29 04:03:55,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:55,822 INFO L85 PathProgramCache]: Analyzing trace with hash 271275767, now seen corresponding path program 1 times [2023-11-29 04:03:55,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:03:55,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212232873] [2023-11-29 04:03:55,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:55,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:03:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:55,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:55,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:55,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:03:55,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:56,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:56,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:03:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:56,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:56,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 04:03:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:56,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:56,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:03:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:56,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:56,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 04:03:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:56,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:56,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 04:03:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:56,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:56,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:03:56,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:56,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:56,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 04:03:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:56,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:56,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 04:03:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:56,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 04:03:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:56,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 04:03:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:56,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 04:03:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:56,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 04:03:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:56,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-29 04:03:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:56,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:03:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:56,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-29 04:03:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:56,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-29 04:03:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:56,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-29 04:03:56,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:56,140 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2023-11-29 04:03:56,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:03:56,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212232873] [2023-11-29 04:03:56,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212232873] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:56,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:56,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:03:56,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309447854] [2023-11-29 04:03:56,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:56,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:03:56,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:03:56,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:03:56,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:03:56,143 INFO L87 Difference]: Start difference. First operand 31049 states and 45713 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-29 04:04:03,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:04:03,660 INFO L93 Difference]: Finished difference Result 99083 states and 147497 transitions. [2023-11-29 04:04:03,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:04:03,661 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 166 [2023-11-29 04:04:03,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:04:03,865 INFO L225 Difference]: With dead ends: 99083 [2023-11-29 04:04:03,865 INFO L226 Difference]: Without dead ends: 68103 [2023-11-29 04:04:03,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:04:03,939 INFO L413 NwaCegarLoop]: 2131 mSDtfsCounter, 3037 mSDsluCounter, 2267 mSDsCounter, 0 mSdLazyCounter, 2956 mSolverCounterSat, 994 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3434 SdHoareTripleChecker+Valid, 4398 SdHoareTripleChecker+Invalid, 3950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 994 IncrementalHoareTripleChecker+Valid, 2956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:04:03,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3434 Valid, 4398 Invalid, 3950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [994 Valid, 2956 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-11-29 04:04:03,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68103 states. [2023-11-29 04:04:06,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68103 to 60063. [2023-11-29 04:04:06,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60063 states, 40587 states have (on average 1.4032325621504422) internal successors, (56953), 41525 states have internal predecessors, (56953), 15678 states have call successors, (15678), 3840 states have call predecessors, (15678), 3795 states have return successors, (15794), 15153 states have call predecessors, (15794), 15674 states have call successors, (15794) [2023-11-29 04:04:06,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60063 states to 60063 states and 88425 transitions. [2023-11-29 04:04:06,847 INFO L78 Accepts]: Start accepts. Automaton has 60063 states and 88425 transitions. Word has length 166 [2023-11-29 04:04:06,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:04:06,848 INFO L495 AbstractCegarLoop]: Abstraction has 60063 states and 88425 transitions. [2023-11-29 04:04:06,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-29 04:04:06,848 INFO L276 IsEmpty]: Start isEmpty. Operand 60063 states and 88425 transitions. [2023-11-29 04:04:06,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-29 04:04:06,851 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:04:06,851 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 4, 4, 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] [2023-11-29 04:04:06,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 04:04:06,851 INFO L420 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)] === [2023-11-29 04:04:06,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:06,851 INFO L85 PathProgramCache]: Analyzing trace with hash 490130485, now seen corresponding path program 1 times [2023-11-29 04:04:06,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:04:06,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447889543] [2023-11-29 04:04:06,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:06,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:04:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:07,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:07,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:07,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:04:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:07,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:07,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:07,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:04:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:07,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:07,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:07,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 04:04:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:07,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:07,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:04:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:07,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:07,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 04:04:07,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:07,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:07,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 04:04:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:07,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:07,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:04:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:07,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:07,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 04:04:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:07,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:07,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 04:04:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:07,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 04:04:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:07,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 04:04:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:07,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 04:04:07,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:07,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 04:04:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:07,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-29 04:04:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:07,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:07,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-29 04:04:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:07,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-29 04:04:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:07,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-29 04:04:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:07,392 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2023-11-29 04:04:07,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:04:07,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447889543] [2023-11-29 04:04:07,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447889543] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:04:07,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:04:07,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 04:04:07,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275257126] [2023-11-29 04:04:07,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:04:07,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:04:07,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:04:07,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:04:07,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:04:07,394 INFO L87 Difference]: Start difference. First operand 60063 states and 88425 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-29 04:04:14,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:04:14,091 INFO L93 Difference]: Finished difference Result 68105 states and 101711 transitions. [2023-11-29 04:04:14,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 04:04:14,091 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 166 [2023-11-29 04:04:14,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:04:14,295 INFO L225 Difference]: With dead ends: 68105 [2023-11-29 04:04:14,295 INFO L226 Difference]: Without dead ends: 68103 [2023-11-29 04:04:14,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:04:14,325 INFO L413 NwaCegarLoop]: 1362 mSDtfsCounter, 2523 mSDsluCounter, 3037 mSDsCounter, 0 mSdLazyCounter, 3286 mSolverCounterSat, 1051 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2734 SdHoareTripleChecker+Valid, 4399 SdHoareTripleChecker+Invalid, 4337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1051 IncrementalHoareTripleChecker+Valid, 3286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-29 04:04:14,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2734 Valid, 4399 Invalid, 4337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1051 Valid, 3286 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-29 04:04:14,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68103 states. [2023-11-29 04:04:17,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68103 to 60067. [2023-11-29 04:04:17,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60067 states, 40590 states have (on average 1.4032027593003202) internal successors, (56956), 41528 states have internal predecessors, (56956), 15678 states have call successors, (15678), 3841 states have call predecessors, (15678), 3796 states have return successors, (15794), 15153 states have call predecessors, (15794), 15674 states have call successors, (15794) [2023-11-29 04:04:17,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60067 states to 60067 states and 88428 transitions. [2023-11-29 04:04:17,864 INFO L78 Accepts]: Start accepts. Automaton has 60067 states and 88428 transitions. Word has length 166 [2023-11-29 04:04:17,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:04:17,864 INFO L495 AbstractCegarLoop]: Abstraction has 60067 states and 88428 transitions. [2023-11-29 04:04:17,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-29 04:04:17,865 INFO L276 IsEmpty]: Start isEmpty. Operand 60067 states and 88428 transitions. [2023-11-29 04:04:17,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-29 04:04:17,866 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:04:17,867 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 4, 4, 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] [2023-11-29 04:04:17,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 04:04:17,867 INFO L420 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)] === [2023-11-29 04:04:17,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:17,867 INFO L85 PathProgramCache]: Analyzing trace with hash 123515995, now seen corresponding path program 1 times [2023-11-29 04:04:17,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:04:17,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41016973] [2023-11-29 04:04:17,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:17,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:04:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:18,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:18,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:18,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:04:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:18,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:18,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:04:18,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:18,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:18,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 04:04:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:18,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:18,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:04:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:18,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:18,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 04:04:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:18,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:18,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 04:04:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:18,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:18,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:04:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:18,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:18,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 04:04:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:18,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:18,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 04:04:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:18,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 04:04:18,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:18,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 04:04:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:18,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 04:04:18,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:18,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 04:04:18,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:18,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-29 04:04:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:18,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:18,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:18,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-29 04:04:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:18,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-29 04:04:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:18,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-29 04:04:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:18,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 04:04:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:18,373 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2023-11-29 04:04:18,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:04:18,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41016973] [2023-11-29 04:04:18,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41016973] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:04:18,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:04:18,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 04:04:18,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576911837] [2023-11-29 04:04:18,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:04:18,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:04:18,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:04:18,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:04:18,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:04:18,375 INFO L87 Difference]: Start difference. First operand 60067 states and 88428 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 04:04:24,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:04:24,690 INFO L93 Difference]: Finished difference Result 68109 states and 101714 transitions. [2023-11-29 04:04:24,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 04:04:24,691 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 171 [2023-11-29 04:04:24,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:04:24,882 INFO L225 Difference]: With dead ends: 68109 [2023-11-29 04:04:24,883 INFO L226 Difference]: Without dead ends: 68107 [2023-11-29 04:04:24,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:04:24,911 INFO L413 NwaCegarLoop]: 1362 mSDtfsCounter, 2515 mSDsluCounter, 3037 mSDsCounter, 0 mSdLazyCounter, 3289 mSolverCounterSat, 1050 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2727 SdHoareTripleChecker+Valid, 4399 SdHoareTripleChecker+Invalid, 4339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1050 IncrementalHoareTripleChecker+Valid, 3289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:04:24,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2727 Valid, 4399 Invalid, 4339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1050 Valid, 3289 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-29 04:04:24,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68107 states. [2023-11-29 04:04:28,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68107 to 60071. [2023-11-29 04:04:28,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60071 states, 40593 states have (on average 1.4031729608553198) internal successors, (56959), 41531 states have internal predecessors, (56959), 15678 states have call successors, (15678), 3842 states have call predecessors, (15678), 3797 states have return successors, (15794), 15153 states have call predecessors, (15794), 15674 states have call successors, (15794) [2023-11-29 04:04:28,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60071 states to 60071 states and 88431 transitions. [2023-11-29 04:04:28,520 INFO L78 Accepts]: Start accepts. Automaton has 60071 states and 88431 transitions. Word has length 171 [2023-11-29 04:04:28,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:04:28,521 INFO L495 AbstractCegarLoop]: Abstraction has 60071 states and 88431 transitions. [2023-11-29 04:04:28,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 04:04:28,521 INFO L276 IsEmpty]: Start isEmpty. Operand 60071 states and 88431 transitions. [2023-11-29 04:04:28,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-29 04:04:28,523 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:04:28,523 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 4, 4, 3, 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] [2023-11-29 04:04:28,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 04:04:28,524 INFO L420 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)] === [2023-11-29 04:04:28,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:28,524 INFO L85 PathProgramCache]: Analyzing trace with hash -778237003, now seen corresponding path program 1 times [2023-11-29 04:04:28,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:04:28,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976586150] [2023-11-29 04:04:28,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:28,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:04:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:28,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:28,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:28,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:04:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:28,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:28,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:04:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:28,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:28,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 04:04:28,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:28,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:28,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:04:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:28,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:28,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 04:04:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:28,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:28,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 04:04:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:28,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:28,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:04:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:28,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:28,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 04:04:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:28,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:28,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 04:04:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:28,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 04:04:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:28,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 04:04:28,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:29,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 04:04:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:29,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 04:04:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:29,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-29 04:04:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:29,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:29,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-29 04:04:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:29,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-29 04:04:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:29,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-29 04:04:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:29,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 04:04:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:29,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-29 04:04:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:29,041 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2023-11-29 04:04:29,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:04:29,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976586150] [2023-11-29 04:04:29,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976586150] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:04:29,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:04:29,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 04:04:29,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835097245] [2023-11-29 04:04:29,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:04:29,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:04:29,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:04:29,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:04:29,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:04:29,043 INFO L87 Difference]: Start difference. First operand 60071 states and 88431 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-29 04:04:35,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:04:35,540 INFO L93 Difference]: Finished difference Result 68113 states and 101717 transitions. [2023-11-29 04:04:35,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 04:04:35,541 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 176 [2023-11-29 04:04:35,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:04:35,733 INFO L225 Difference]: With dead ends: 68113 [2023-11-29 04:04:35,733 INFO L226 Difference]: Without dead ends: 68111 [2023-11-29 04:04:35,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:04:35,761 INFO L413 NwaCegarLoop]: 1361 mSDtfsCounter, 2515 mSDsluCounter, 3034 mSDsCounter, 0 mSdLazyCounter, 3289 mSolverCounterSat, 1049 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2727 SdHoareTripleChecker+Valid, 4395 SdHoareTripleChecker+Invalid, 4338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1049 IncrementalHoareTripleChecker+Valid, 3289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:04:35,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2727 Valid, 4395 Invalid, 4338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1049 Valid, 3289 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-29 04:04:35,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68111 states. [2023-11-29 04:04:39,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68111 to 60075. [2023-11-29 04:04:39,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60075 states, 40596 states have (on average 1.4031431668144645) internal successors, (56962), 41534 states have internal predecessors, (56962), 15678 states have call successors, (15678), 3843 states have call predecessors, (15678), 3798 states have return successors, (15794), 15153 states have call predecessors, (15794), 15674 states have call successors, (15794) [2023-11-29 04:04:39,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60075 states to 60075 states and 88434 transitions. [2023-11-29 04:04:39,360 INFO L78 Accepts]: Start accepts. Automaton has 60075 states and 88434 transitions. Word has length 176 [2023-11-29 04:04:39,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:04:39,360 INFO L495 AbstractCegarLoop]: Abstraction has 60075 states and 88434 transitions. [2023-11-29 04:04:39,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-29 04:04:39,360 INFO L276 IsEmpty]: Start isEmpty. Operand 60075 states and 88434 transitions. [2023-11-29 04:04:39,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-11-29 04:04:39,363 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:04:39,363 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 4, 4, 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] [2023-11-29 04:04:39,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 04:04:39,363 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 04:04:39,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:39,364 INFO L85 PathProgramCache]: Analyzing trace with hash -328808868, now seen corresponding path program 1 times [2023-11-29 04:04:39,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:04:39,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211686702] [2023-11-29 04:04:39,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:39,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:04:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:39,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:39,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:39,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:04:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:39,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:39,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:04:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:39,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:39,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 04:04:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:39,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:39,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:04:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:39,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:39,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 04:04:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:39,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:39,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:39,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 04:04:39,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:39,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:39,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:04:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:39,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:39,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 04:04:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:39,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:39,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 04:04:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:39,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 04:04:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:39,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 04:04:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:39,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 04:04:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:39,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 04:04:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:39,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-29 04:04:39,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:39,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 04:04:39,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:39,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:39,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-29 04:04:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:39,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-29 04:04:39,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:39,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-11-29 04:04:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:39,713 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2023-11-29 04:04:39,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:04:39,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211686702] [2023-11-29 04:04:39,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211686702] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:04:39,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:04:39,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:04:39,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155900158] [2023-11-29 04:04:39,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:04:39,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:04:39,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:04:39,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:04:39,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:04:39,715 INFO L87 Difference]: Start difference. First operand 60075 states and 88434 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-29 04:04:47,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:04:47,891 INFO L93 Difference]: Finished difference Result 151689 states and 225393 transitions. [2023-11-29 04:04:47,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:04:47,892 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 180 [2023-11-29 04:04:47,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:04:48,122 INFO L225 Difference]: With dead ends: 151689 [2023-11-29 04:04:48,122 INFO L226 Difference]: Without dead ends: 91683 [2023-11-29 04:04:48,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:04:48,235 INFO L413 NwaCegarLoop]: 1967 mSDtfsCounter, 2317 mSDsluCounter, 2105 mSDsCounter, 0 mSdLazyCounter, 2785 mSolverCounterSat, 849 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2637 SdHoareTripleChecker+Valid, 4072 SdHoareTripleChecker+Invalid, 3634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 849 IncrementalHoareTripleChecker+Valid, 2785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-29 04:04:48,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2637 Valid, 4072 Invalid, 3634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [849 Valid, 2785 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-29 04:04:48,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91683 states. [2023-11-29 04:04:53,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91683 to 80015. [2023-11-29 04:04:53,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80015 states, 54474 states have (on average 1.4039725373572713) internal successors, (76480), 55676 states have internal predecessors, (76480), 20378 states have call successors, (20378), 5221 states have call predecessors, (20378), 5160 states have return successors, (20494), 19701 states have call predecessors, (20494), 20374 states have call successors, (20494) [2023-11-29 04:04:53,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80015 states to 80015 states and 117352 transitions. [2023-11-29 04:04:53,353 INFO L78 Accepts]: Start accepts. Automaton has 80015 states and 117352 transitions. Word has length 180 [2023-11-29 04:04:53,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:04:53,353 INFO L495 AbstractCegarLoop]: Abstraction has 80015 states and 117352 transitions. [2023-11-29 04:04:53,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-29 04:04:53,354 INFO L276 IsEmpty]: Start isEmpty. Operand 80015 states and 117352 transitions. [2023-11-29 04:04:53,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-11-29 04:04:53,356 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:04:53,357 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 5, 5, 4, 3, 3, 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] [2023-11-29 04:04:53,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 04:04:53,357 INFO L420 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)] === [2023-11-29 04:04:53,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:53,357 INFO L85 PathProgramCache]: Analyzing trace with hash 421469124, now seen corresponding path program 1 times [2023-11-29 04:04:53,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:04:53,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447443388] [2023-11-29 04:04:53,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:53,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:04:53,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:04:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:04:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 04:04:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:04:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 04:04:53,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 04:04:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:04:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 04:04:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:53,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 04:04:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 04:04:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 04:04:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 04:04:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 04:04:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-29 04:04:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:04:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-29 04:04:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-29 04:04:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-29 04:04:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-29 04:04:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-29 04:04:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-29 04:04:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-11-29 04:04:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-11-29 04:04:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,629 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2023-11-29 04:04:53,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:04:53,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447443388] [2023-11-29 04:04:53,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447443388] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:04:53,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:04:53,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:04:53,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095608952] [2023-11-29 04:04:53,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:04:53,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:04:53,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:04:53,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:04:53,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:04:53,631 INFO L87 Difference]: Start difference. First operand 80015 states and 117352 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-29 04:05:09,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:05:09,528 INFO L93 Difference]: Finished difference Result 215954 states and 320156 transitions. [2023-11-29 04:05:09,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 04:05:09,528 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 187 [2023-11-29 04:05:09,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:05:09,912 INFO L225 Difference]: With dead ends: 215954 [2023-11-29 04:05:09,912 INFO L226 Difference]: Without dead ends: 136008 [2023-11-29 04:05:10,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:05:10,088 INFO L413 NwaCegarLoop]: 1628 mSDtfsCounter, 3397 mSDsluCounter, 2409 mSDsCounter, 0 mSdLazyCounter, 5908 mSolverCounterSat, 1827 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3622 SdHoareTripleChecker+Valid, 4037 SdHoareTripleChecker+Invalid, 7735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1827 IncrementalHoareTripleChecker+Valid, 5908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:05:10,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3622 Valid, 4037 Invalid, 7735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1827 Valid, 5908 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2023-11-29 04:05:10,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136008 states. [2023-11-29 04:05:18,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136008 to 118573. [2023-11-29 04:05:18,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118573 states, 80888 states have (on average 1.4041885075660172) internal successors, (113582), 82578 states have internal predecessors, (113582), 30050 states have call successors, (30050), 7707 states have call predecessors, (30050), 7632 states have return successors, (30226), 29163 states have call predecessors, (30226), 30046 states have call successors, (30226) [2023-11-29 04:05:18,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118573 states to 118573 states and 173858 transitions. [2023-11-29 04:05:18,781 INFO L78 Accepts]: Start accepts. Automaton has 118573 states and 173858 transitions. Word has length 187 [2023-11-29 04:05:18,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:05:18,782 INFO L495 AbstractCegarLoop]: Abstraction has 118573 states and 173858 transitions. [2023-11-29 04:05:18,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-29 04:05:18,782 INFO L276 IsEmpty]: Start isEmpty. Operand 118573 states and 173858 transitions. [2023-11-29 04:05:18,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-29 04:05:18,784 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:05:18,784 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 3, 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] [2023-11-29 04:05:18,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 04:05:18,784 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 04:05:18,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:05:18,785 INFO L85 PathProgramCache]: Analyzing trace with hash 2125223003, now seen corresponding path program 1 times [2023-11-29 04:05:18,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:05:18,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363005648] [2023-11-29 04:05:18,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:05:18,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:05:18,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:18,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:05:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:19,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:05:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:19,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:05:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:19,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:05:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:19,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:05:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:19,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:05:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:19,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 04:05:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:19,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:05:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:19,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:05:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:19,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:05:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:19,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 04:05:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:19,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:05:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:19,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 04:05:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:19,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:05:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:19,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:05:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:19,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:05:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:19,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 04:05:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:19,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:05:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:19,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 04:05:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:19,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 04:05:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:19,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 04:05:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:19,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 04:05:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:19,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 04:05:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:19,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-29 04:05:19,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:19,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:05:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:19,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-29 04:05:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:19,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-29 04:05:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:19,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-29 04:05:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:19,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 04:05:19,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:19,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-29 04:05:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:19,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-29 04:05:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:19,148 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2023-11-29 04:05:19,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:05:19,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363005648] [2023-11-29 04:05:19,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363005648] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:05:19,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:05:19,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 04:05:19,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222153686] [2023-11-29 04:05:19,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:05:19,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:05:19,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:05:19,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:05:19,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:05:19,150 INFO L87 Difference]: Start difference. First operand 118573 states and 173858 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-29 04:05:32,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:05:32,156 INFO L93 Difference]: Finished difference Result 135979 states and 202564 transitions. [2023-11-29 04:05:32,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 04:05:32,157 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 181 [2023-11-29 04:05:32,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:05:32,514 INFO L225 Difference]: With dead ends: 135979 [2023-11-29 04:05:32,514 INFO L226 Difference]: Without dead ends: 135977 [2023-11-29 04:05:32,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:05:32,558 INFO L413 NwaCegarLoop]: 1362 mSDtfsCounter, 2515 mSDsluCounter, 3037 mSDsCounter, 0 mSdLazyCounter, 3289 mSolverCounterSat, 1048 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2726 SdHoareTripleChecker+Valid, 4399 SdHoareTripleChecker+Invalid, 4337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1048 IncrementalHoareTripleChecker+Valid, 3289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:05:32,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2726 Valid, 4399 Invalid, 4337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1048 Valid, 3289 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-29 04:05:32,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135977 states. [2023-11-29 04:05:41,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135977 to 118577. [2023-11-29 04:05:41,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118577 states, 80891 states have (on average 1.4041735174494072) internal successors, (113585), 82581 states have internal predecessors, (113585), 30050 states have call successors, (30050), 7708 states have call predecessors, (30050), 7633 states have return successors, (30226), 29163 states have call predecessors, (30226), 30046 states have call successors, (30226) [2023-11-29 04:05:41,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118577 states to 118577 states and 173861 transitions. [2023-11-29 04:05:41,744 INFO L78 Accepts]: Start accepts. Automaton has 118577 states and 173861 transitions. Word has length 181 [2023-11-29 04:05:41,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:05:41,745 INFO L495 AbstractCegarLoop]: Abstraction has 118577 states and 173861 transitions. [2023-11-29 04:05:41,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-29 04:05:41,745 INFO L276 IsEmpty]: Start isEmpty. Operand 118577 states and 173861 transitions. [2023-11-29 04:05:41,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-11-29 04:05:41,747 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:05:41,747 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 5, 4, 4, 4, 4, 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] [2023-11-29 04:05:41,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 04:05:41,748 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 04:05:41,748 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:05:41,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1689543883, now seen corresponding path program 1 times [2023-11-29 04:05:41,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:05:41,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252141804] [2023-11-29 04:05:41,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:05:41,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:05:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:05:42,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:05:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:05:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:05:42,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:05:42,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:05:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 04:05:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:05:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:05:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:05:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 04:05:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:05:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 04:05:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:05:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:05:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:05:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 04:05:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:05:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 04:05:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 04:05:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 04:05:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 04:05:42,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 04:05:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-29 04:05:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:05:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-29 04:05:42,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-29 04:05:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-29 04:05:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 04:05:42,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-29 04:05:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-29 04:05:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 04:05:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:42,498 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2023-11-29 04:05:42,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:05:42,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252141804] [2023-11-29 04:05:42,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252141804] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:05:42,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:05:42,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 04:05:42,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047378308] [2023-11-29 04:05:42,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:05:42,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:05:42,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:05:42,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:05:42,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:05:42,500 INFO L87 Difference]: Start difference. First operand 118577 states and 173861 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-29 04:05:54,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:05:54,513 INFO L93 Difference]: Finished difference Result 135983 states and 202567 transitions. [2023-11-29 04:05:54,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 04:05:54,513 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 186 [2023-11-29 04:05:54,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:05:54,874 INFO L225 Difference]: With dead ends: 135983 [2023-11-29 04:05:54,874 INFO L226 Difference]: Without dead ends: 135981 [2023-11-29 04:05:54,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:05:54,914 INFO L413 NwaCegarLoop]: 1362 mSDtfsCounter, 2515 mSDsluCounter, 3037 mSDsCounter, 0 mSdLazyCounter, 3289 mSolverCounterSat, 1047 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2726 SdHoareTripleChecker+Valid, 4399 SdHoareTripleChecker+Invalid, 4336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1047 IncrementalHoareTripleChecker+Valid, 3289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:05:54,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2726 Valid, 4399 Invalid, 4336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1047 Valid, 3289 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-29 04:05:55,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135981 states. [2023-11-29 04:06:04,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135981 to 118581. [2023-11-29 04:06:04,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118581 states, 80894 states have (on average 1.4041585284446312) internal successors, (113588), 82584 states have internal predecessors, (113588), 30050 states have call successors, (30050), 7709 states have call predecessors, (30050), 7634 states have return successors, (30226), 29163 states have call predecessors, (30226), 30046 states have call successors, (30226) [2023-11-29 04:06:04,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118581 states to 118581 states and 173864 transitions. [2023-11-29 04:06:04,862 INFO L78 Accepts]: Start accepts. Automaton has 118581 states and 173864 transitions. Word has length 186 [2023-11-29 04:06:04,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:06:04,862 INFO L495 AbstractCegarLoop]: Abstraction has 118581 states and 173864 transitions. [2023-11-29 04:06:04,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-29 04:06:04,862 INFO L276 IsEmpty]: Start isEmpty. Operand 118581 states and 173864 transitions. [2023-11-29 04:06:04,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-11-29 04:06:04,864 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:06:04,864 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 6, 5, 5, 4, 4, 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] [2023-11-29 04:06:04,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 04:06:04,865 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 04:06:04,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:06:04,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1902486619, now seen corresponding path program 1 times [2023-11-29 04:06:04,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:06:04,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114572679] [2023-11-29 04:06:04,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:06:04,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:06:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:06:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:05,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:06:05,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:05,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 04:06:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:06:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 04:06:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 04:06:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:06:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 04:06:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 04:06:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 04:06:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 04:06:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 04:06:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 04:06:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-29 04:06:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-29 04:06:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-29 04:06:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-29 04:06:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 04:06:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-29 04:06:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-29 04:06:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 04:06:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 04:06:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:05,296 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2023-11-29 04:06:05,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:06:05,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114572679] [2023-11-29 04:06:05,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114572679] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:06:05,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:06:05,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 04:06:05,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712862482] [2023-11-29 04:06:05,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:06:05,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:06:05,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:06:05,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:06:05,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:06:05,299 INFO L87 Difference]: Start difference. First operand 118581 states and 173864 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-29 04:06:18,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:06:18,291 INFO L93 Difference]: Finished difference Result 135987 states and 202570 transitions. [2023-11-29 04:06:18,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 04:06:18,291 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 191 [2023-11-29 04:06:18,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:06:18,634 INFO L225 Difference]: With dead ends: 135987 [2023-11-29 04:06:18,634 INFO L226 Difference]: Without dead ends: 135985 [2023-11-29 04:06:18,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:06:18,667 INFO L413 NwaCegarLoop]: 1362 mSDtfsCounter, 2515 mSDsluCounter, 3037 mSDsCounter, 0 mSdLazyCounter, 3289 mSolverCounterSat, 1046 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2726 SdHoareTripleChecker+Valid, 4399 SdHoareTripleChecker+Invalid, 4335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1046 IncrementalHoareTripleChecker+Valid, 3289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:06:18,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2726 Valid, 4399 Invalid, 4335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1046 Valid, 3289 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-29 04:06:18,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135985 states. [2023-11-29 04:06:28,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135985 to 118585. [2023-11-29 04:06:28,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118585 states, 80897 states have (on average 1.4041435405515656) internal successors, (113591), 82587 states have internal predecessors, (113591), 30050 states have call successors, (30050), 7710 states have call predecessors, (30050), 7635 states have return successors, (30226), 29163 states have call predecessors, (30226), 30046 states have call successors, (30226) [2023-11-29 04:06:28,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118585 states to 118585 states and 173867 transitions. [2023-11-29 04:06:28,818 INFO L78 Accepts]: Start accepts. Automaton has 118585 states and 173867 transitions. Word has length 191 [2023-11-29 04:06:28,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:06:28,819 INFO L495 AbstractCegarLoop]: Abstraction has 118585 states and 173867 transitions. [2023-11-29 04:06:28,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-29 04:06:28,819 INFO L276 IsEmpty]: Start isEmpty. Operand 118585 states and 173867 transitions. [2023-11-29 04:06:28,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-29 04:06:28,821 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:06:28,821 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 7, 6, 6, 4, 4, 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] [2023-11-29 04:06:28,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 04:06:28,821 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 04:06:28,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:06:28,822 INFO L85 PathProgramCache]: Analyzing trace with hash -132220235, now seen corresponding path program 1 times [2023-11-29 04:06:28,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:06:28,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364638924] [2023-11-29 04:06:28,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:06:28,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:06:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:06:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:06:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 04:06:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:06:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 04:06:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 04:06:29,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:06:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 04:06:29,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:29,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 04:06:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 04:06:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 04:06:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 04:06:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 04:06:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-29 04:06:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-29 04:06:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-29 04:06:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-29 04:06:29,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 04:06:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-29 04:06:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-29 04:06:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 04:06:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 04:06:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-11-29 04:06:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:29,253 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2023-11-29 04:06:29,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:06:29,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364638924] [2023-11-29 04:06:29,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364638924] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:06:29,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:06:29,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 04:06:29,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043863948] [2023-11-29 04:06:29,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:06:29,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:06:29,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:06:29,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:06:29,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:06:29,255 INFO L87 Difference]: Start difference. First operand 118585 states and 173867 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-29 04:06:42,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:06:42,575 INFO L93 Difference]: Finished difference Result 135991 states and 202573 transitions. [2023-11-29 04:06:42,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 04:06:42,576 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (27), 4 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 196 [2023-11-29 04:06:42,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:06:42,934 INFO L225 Difference]: With dead ends: 135991 [2023-11-29 04:06:42,934 INFO L226 Difference]: Without dead ends: 135989 [2023-11-29 04:06:42,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:06:42,975 INFO L413 NwaCegarLoop]: 1362 mSDtfsCounter, 2515 mSDsluCounter, 3037 mSDsCounter, 0 mSdLazyCounter, 3289 mSolverCounterSat, 1045 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2727 SdHoareTripleChecker+Valid, 4399 SdHoareTripleChecker+Invalid, 4334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1045 IncrementalHoareTripleChecker+Valid, 3289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:06:42,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2727 Valid, 4399 Invalid, 4334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1045 Valid, 3289 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-29 04:06:43,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135989 states. [2023-11-29 04:06:53,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135989 to 118589. [2023-11-29 04:06:53,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118589 states, 80900 states have (on average 1.4041285537700865) internal successors, (113594), 82590 states have internal predecessors, (113594), 30050 states have call successors, (30050), 7711 states have call predecessors, (30050), 7636 states have return successors, (30226), 29163 states have call predecessors, (30226), 30046 states have call successors, (30226) [2023-11-29 04:06:53,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118589 states to 118589 states and 173870 transitions. [2023-11-29 04:06:53,491 INFO L78 Accepts]: Start accepts. Automaton has 118589 states and 173870 transitions. Word has length 196 [2023-11-29 04:06:53,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:06:53,492 INFO L495 AbstractCegarLoop]: Abstraction has 118589 states and 173870 transitions. [2023-11-29 04:06:53,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-29 04:06:53,492 INFO L276 IsEmpty]: Start isEmpty. Operand 118589 states and 173870 transitions. [2023-11-29 04:06:53,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2023-11-29 04:06:53,494 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:06:53,494 INFO L195 NwaCegarLoop]: trace histogram [15, 9, 9, 9, 9, 9, 9, 8, 7, 7, 6, 6, 3, 3, 3, 3, 3, 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] [2023-11-29 04:06:53,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 04:06:53,494 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 04:06:53,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:06:53,494 INFO L85 PathProgramCache]: Analyzing trace with hash -336377561, now seen corresponding path program 1 times [2023-11-29 04:06:53,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:06:53,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515288037] [2023-11-29 04:06:53,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:06:53,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:06:53,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:06:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:53,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:06:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 04:06:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:53,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:06:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 04:06:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 04:06:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:06:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 04:06:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 04:06:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 04:06:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 04:06:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 04:06:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 04:06:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-29 04:06:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:06:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-29 04:06:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-29 04:06:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-29 04:06:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-29 04:06:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 04:06:53,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-11-29 04:06:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 04:06:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-29 04:06:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 04:06:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-11-29 04:06:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-29 04:06:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-29 04:06:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-29 04:06:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-29 04:06:53,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-11-29 04:06:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:53,928 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2023-11-29 04:06:53,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:06:53,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515288037] [2023-11-29 04:06:53,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515288037] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:06:53,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:06:53,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 04:06:53,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233248072] [2023-11-29 04:06:53,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:06:53,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 04:06:53,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:06:53,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 04:06:53,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:06:53,930 INFO L87 Difference]: Start difference. First operand 118589 states and 173870 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-11-29 04:07:12,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:07:12,472 INFO L93 Difference]: Finished difference Result 150539 states and 221134 transitions. [2023-11-29 04:07:12,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 04:07:12,473 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (32), 5 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 227 [2023-11-29 04:07:12,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:07:12,853 INFO L225 Difference]: With dead ends: 150539 [2023-11-29 04:07:12,853 INFO L226 Difference]: Without dead ends: 150537 [2023-11-29 04:07:12,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2023-11-29 04:07:12,890 INFO L413 NwaCegarLoop]: 862 mSDtfsCounter, 3122 mSDsluCounter, 2491 mSDsCounter, 0 mSdLazyCounter, 7055 mSolverCounterSat, 1880 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3287 SdHoareTripleChecker+Valid, 3353 SdHoareTripleChecker+Invalid, 8935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1880 IncrementalHoareTripleChecker+Valid, 7055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-11-29 04:07:12,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3287 Valid, 3353 Invalid, 8935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1880 Valid, 7055 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2023-11-29 04:07:12,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150537 states. [2023-11-29 04:07:24,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150537 to 131865. [2023-11-29 04:07:24,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131865 states, 89045 states have (on average 1.3927677017238476) internal successors, (124019), 90783 states have internal predecessors, (124019), 33194 states have call successors, (33194), 9698 states have call predecessors, (33194), 9623 states have return successors, (33352), 32307 states have call predecessors, (33352), 33190 states have call successors, (33352) [2023-11-29 04:07:24,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131865 states to 131865 states and 190565 transitions. [2023-11-29 04:07:24,735 INFO L78 Accepts]: Start accepts. Automaton has 131865 states and 190565 transitions. Word has length 227 [2023-11-29 04:07:24,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:07:24,735 INFO L495 AbstractCegarLoop]: Abstraction has 131865 states and 190565 transitions. [2023-11-29 04:07:24,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-11-29 04:07:24,735 INFO L276 IsEmpty]: Start isEmpty. Operand 131865 states and 190565 transitions. [2023-11-29 04:07:24,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-11-29 04:07:24,737 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:07:24,738 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 9, 8, 8, 4, 4, 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] [2023-11-29 04:07:24,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 04:07:24,738 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 04:07:24,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:07:24,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1024349643, now seen corresponding path program 1 times [2023-11-29 04:07:24,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:07:24,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917846347] [2023-11-29 04:07:24,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:07:24,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:07:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:24,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:07:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:24,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:07:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:24,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:07:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:24,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:07:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:24,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:07:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:24,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:07:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:24,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 04:07:24,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:24,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:07:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:24,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:07:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:24,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:07:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:24,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 04:07:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:24,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:07:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:24,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 04:07:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:24,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:07:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:24,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:07:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:24,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:07:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:24,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 04:07:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:24,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:07:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:24,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 04:07:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:24,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 04:07:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:25,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 04:07:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:25,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 04:07:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:25,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 04:07:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:25,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-29 04:07:25,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:25,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:07:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:25,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-29 04:07:25,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:25,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-29 04:07:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:25,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-29 04:07:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:25,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 04:07:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:25,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-29 04:07:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:25,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-29 04:07:25,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:25,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 04:07:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:25,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 04:07:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:25,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-11-29 04:07:25,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:25,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-11-29 04:07:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:25,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-11-29 04:07:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:25,057 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2023-11-29 04:07:25,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:07:25,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917846347] [2023-11-29 04:07:25,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917846347] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:07:25,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:07:25,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 04:07:25,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188003847] [2023-11-29 04:07:25,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:07:25,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:07:25,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:07:25,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:07:25,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:07:25,059 INFO L87 Difference]: Start difference. First operand 131865 states and 190565 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-29 04:07:40,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:07:40,670 INFO L93 Difference]: Finished difference Result 150543 states and 221137 transitions. [2023-11-29 04:07:40,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 04:07:40,671 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (29), 4 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 206 [2023-11-29 04:07:40,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:07:41,191 INFO L225 Difference]: With dead ends: 150543 [2023-11-29 04:07:41,191 INFO L226 Difference]: Without dead ends: 150541 [2023-11-29 04:07:41,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:07:41,227 INFO L413 NwaCegarLoop]: 1349 mSDtfsCounter, 2520 mSDsluCounter, 3021 mSDsCounter, 0 mSdLazyCounter, 3279 mSolverCounterSat, 1054 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2731 SdHoareTripleChecker+Valid, 4370 SdHoareTripleChecker+Invalid, 4333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1054 IncrementalHoareTripleChecker+Valid, 3279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:07:41,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2731 Valid, 4370 Invalid, 4333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1054 Valid, 3279 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-29 04:07:41,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150541 states. [2023-11-29 04:07:53,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150541 to 131869. [2023-11-29 04:07:53,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131869 states, 89048 states have (on average 1.3927544694995957) internal successors, (124022), 90786 states have internal predecessors, (124022), 33194 states have call successors, (33194), 9699 states have call predecessors, (33194), 9624 states have return successors, (33352), 32307 states have call predecessors, (33352), 33190 states have call successors, (33352) [2023-11-29 04:07:53,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131869 states to 131869 states and 190568 transitions. [2023-11-29 04:07:53,733 INFO L78 Accepts]: Start accepts. Automaton has 131869 states and 190568 transitions. Word has length 206 [2023-11-29 04:07:53,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:07:53,733 INFO L495 AbstractCegarLoop]: Abstraction has 131869 states and 190568 transitions. [2023-11-29 04:07:53,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-29 04:07:53,733 INFO L276 IsEmpty]: Start isEmpty. Operand 131869 states and 190568 transitions. [2023-11-29 04:07:53,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-11-29 04:07:53,736 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:07:53,736 INFO L195 NwaCegarLoop]: trace histogram [15, 10, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 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] [2023-11-29 04:07:53,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 04:07:53,736 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 04:07:53,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:07:53,736 INFO L85 PathProgramCache]: Analyzing trace with hash -2072456361, now seen corresponding path program 1 times [2023-11-29 04:07:53,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:07:53,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472941855] [2023-11-29 04:07:53,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:07:53,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:07:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:07:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:07:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:07:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:07:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:07:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:07:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 04:07:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:07:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:07:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:07:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 04:07:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:07:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 04:07:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:07:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:07:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:07:53,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 04:07:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:07:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 04:07:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 04:07:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 04:07:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 04:07:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 04:07:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-29 04:07:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:07:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-29 04:07:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-29 04:07:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-29 04:07:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-29 04:07:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 04:07:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-29 04:07:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-11-29 04:07:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-29 04:07:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-11-29 04:07:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-11-29 04:07:53,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-11-29 04:07:53,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-29 04:07:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-11-29 04:07:53,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-29 04:07:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-29 04:07:53,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-29 04:07:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-11-29 04:07:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:53,993 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2023-11-29 04:07:53,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:07:53,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472941855] [2023-11-29 04:07:53,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472941855] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:07:53,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:07:53,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:07:53,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527282753] [2023-11-29 04:07:53,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:07:53,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:07:53,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:07:53,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:07:53,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:07:53,996 INFO L87 Difference]: Start difference. First operand 131869 states and 190568 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-29 04:08:19,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:08:19,274 INFO L93 Difference]: Finished difference Result 331758 states and 484298 transitions. [2023-11-29 04:08:19,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 04:08:19,275 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 236 [2023-11-29 04:08:19,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:08:20,042 INFO L225 Difference]: With dead ends: 331758 [2023-11-29 04:08:20,043 INFO L226 Difference]: Without dead ends: 199958 [2023-11-29 04:08:20,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-29 04:08:20,296 INFO L413 NwaCegarLoop]: 1626 mSDtfsCounter, 3395 mSDsluCounter, 2408 mSDsCounter, 0 mSdLazyCounter, 5916 mSolverCounterSat, 1784 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3622 SdHoareTripleChecker+Valid, 4034 SdHoareTripleChecker+Invalid, 7700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1784 IncrementalHoareTripleChecker+Valid, 5916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:08:20,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3622 Valid, 4034 Invalid, 7700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1784 Valid, 5916 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2023-11-29 04:08:20,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199958 states. [2023-11-29 04:08:36,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199958 to 175003. [2023-11-29 04:08:36,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175003 states, 118204 states have (on average 1.393133904098) internal successors, (164674), 120446 states have internal predecessors, (164674), 44010 states have call successors, (44010), 12907 states have call predecessors, (44010), 12786 states have return successors, (44222), 42881 states have call predecessors, (44222), 44006 states have call successors, (44222) [2023-11-29 04:08:37,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175003 states to 175003 states and 252906 transitions. [2023-11-29 04:08:37,309 INFO L78 Accepts]: Start accepts. Automaton has 175003 states and 252906 transitions. Word has length 236 [2023-11-29 04:08:37,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:08:37,309 INFO L495 AbstractCegarLoop]: Abstraction has 175003 states and 252906 transitions. [2023-11-29 04:08:37,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-29 04:08:37,309 INFO L276 IsEmpty]: Start isEmpty. Operand 175003 states and 252906 transitions. [2023-11-29 04:08:37,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-11-29 04:08:37,312 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:08:37,312 INFO L195 NwaCegarLoop]: trace histogram [15, 10, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 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] [2023-11-29 04:08:37,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 04:08:37,313 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 04:08:37,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:08:37,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1995555563, now seen corresponding path program 1 times [2023-11-29 04:08:37,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:08:37,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931535253] [2023-11-29 04:08:37,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:08:37,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:08:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:08:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:08:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:08:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:08:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:08:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:08:37,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 04:08:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:08:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:08:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:08:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 04:08:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:08:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 04:08:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:08:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:08:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:08:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 04:08:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:08:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 04:08:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 04:08:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 04:08:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 04:08:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 04:08:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-29 04:08:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:08:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-29 04:08:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-29 04:08:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-29 04:08:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-29 04:08:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 04:08:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-29 04:08:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-11-29 04:08:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-29 04:08:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-11-29 04:08:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-11-29 04:08:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-11-29 04:08:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-29 04:08:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-11-29 04:08:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-29 04:08:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-29 04:08:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-29 04:08:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-11-29 04:08:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:37,878 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2023-11-29 04:08:37,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:08:37,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931535253] [2023-11-29 04:08:37,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931535253] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:08:37,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:08:37,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:08:37,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457818348] [2023-11-29 04:08:37,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:08:37,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:08:37,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:08:37,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:08:37,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:08:37,880 INFO L87 Difference]: Start difference. First operand 175003 states and 252906 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-29 04:09:08,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:09:08,174 INFO L93 Difference]: Finished difference Result 423939 states and 618831 transitions. [2023-11-29 04:09:08,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 04:09:08,175 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 236 [2023-11-29 04:09:08,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:09:09,160 INFO L225 Difference]: With dead ends: 423939 [2023-11-29 04:09:09,160 INFO L226 Difference]: Without dead ends: 249005 [2023-11-29 04:09:09,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:09:09,710 INFO L413 NwaCegarLoop]: 1626 mSDtfsCounter, 3384 mSDsluCounter, 2410 mSDsCounter, 0 mSdLazyCounter, 5882 mSolverCounterSat, 1757 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3610 SdHoareTripleChecker+Valid, 4036 SdHoareTripleChecker+Invalid, 7639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1757 IncrementalHoareTripleChecker+Valid, 5882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-11-29 04:09:09,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3610 Valid, 4036 Invalid, 7639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1757 Valid, 5882 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2023-11-29 04:09:09,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249005 states. [2023-11-29 04:09:30,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249005 to 217881. [2023-11-29 04:09:30,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217881 states, 147232 states have (on average 1.3933791567050642) internal successors, (205150), 149978 states have internal predecessors, (205150), 54730 states have call successors, (54730), 16051 states have call predecessors, (54730), 15916 states have return successors, (54996), 53391 states have call predecessors, (54996), 54726 states have call successors, (54996) [2023-11-29 04:09:31,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217881 states to 217881 states and 314876 transitions. [2023-11-29 04:09:31,572 INFO L78 Accepts]: Start accepts. Automaton has 217881 states and 314876 transitions. Word has length 236 [2023-11-29 04:09:31,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:09:31,572 INFO L495 AbstractCegarLoop]: Abstraction has 217881 states and 314876 transitions. [2023-11-29 04:09:31,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-29 04:09:31,572 INFO L276 IsEmpty]: Start isEmpty. Operand 217881 states and 314876 transitions. [2023-11-29 04:09:31,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2023-11-29 04:09:31,575 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:09:31,575 INFO L195 NwaCegarLoop]: trace histogram [15, 10, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 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] [2023-11-29 04:09:31,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 04:09:31,575 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 04:09:31,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:09:31,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1689086503, now seen corresponding path program 1 times [2023-11-29 04:09:31,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:09:31,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503307711] [2023-11-29 04:09:31,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:09:31,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:09:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:09:31,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:09:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:09:31,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:09:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:09:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:09:31,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 04:09:31,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:09:31,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:09:31,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:09:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 04:09:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:09:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 04:09:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:09:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:09:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:09:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 04:09:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:09:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 04:09:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 04:09:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 04:09:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 04:09:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 04:09:31,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-29 04:09:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:09:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-29 04:09:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-29 04:09:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-29 04:09:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-29 04:09:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 04:09:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-11-29 04:09:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 04:09:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-29 04:09:31,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 04:09:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-11-29 04:09:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-29 04:09:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-29 04:09:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-29 04:09:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-29 04:09:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-11-29 04:09:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-29 04:09:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-29 04:09:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,971 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2023-11-29 04:09:31,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:09:31,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503307711] [2023-11-29 04:09:31,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503307711] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:09:31,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:09:31,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 04:09:31,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833686666] [2023-11-29 04:09:31,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:09:31,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 04:09:31,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:09:31,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 04:09:31,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:09:31,973 INFO L87 Difference]: Start difference. First operand 217881 states and 314876 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-29 04:09:59,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:09:59,625 INFO L93 Difference]: Finished difference Result 249007 states and 365820 transitions. [2023-11-29 04:09:59,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 04:09:59,626 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (34), 5 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 237 [2023-11-29 04:09:59,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:10:00,533 INFO L225 Difference]: With dead ends: 249007 [2023-11-29 04:10:00,534 INFO L226 Difference]: Without dead ends: 249005 [2023-11-29 04:10:00,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:10:00,600 INFO L413 NwaCegarLoop]: 862 mSDtfsCounter, 3395 mSDsluCounter, 2278 mSDsCounter, 0 mSdLazyCounter, 5263 mSolverCounterSat, 1887 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3575 SdHoareTripleChecker+Valid, 3140 SdHoareTripleChecker+Invalid, 7150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1887 IncrementalHoareTripleChecker+Valid, 5263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-29 04:10:00,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3575 Valid, 3140 Invalid, 7150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1887 Valid, 5263 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-11-29 04:10:00,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249005 states. [2023-11-29 04:10:21,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249005 to 217885. [2023-11-29 04:10:21,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217885 states, 147235 states have (on average 1.3933711413726355) internal successors, (205153), 149981 states have internal predecessors, (205153), 54730 states have call successors, (54730), 16052 states have call predecessors, (54730), 15917 states have return successors, (54996), 53391 states have call predecessors, (54996), 54726 states have call successors, (54996) [2023-11-29 04:10:22,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217885 states to 217885 states and 314879 transitions. [2023-11-29 04:10:22,836 INFO L78 Accepts]: Start accepts. Automaton has 217885 states and 314879 transitions. Word has length 237 [2023-11-29 04:10:22,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:10:22,836 INFO L495 AbstractCegarLoop]: Abstraction has 217885 states and 314879 transitions. [2023-11-29 04:10:22,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-29 04:10:22,837 INFO L276 IsEmpty]: Start isEmpty. Operand 217885 states and 314879 transitions. [2023-11-29 04:10:22,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2023-11-29 04:10:22,841 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:10:22,841 INFO L195 NwaCegarLoop]: trace histogram [13, 11, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 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] [2023-11-29 04:10:22,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 04:10:22,841 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 04:10:22,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:10:22,842 INFO L85 PathProgramCache]: Analyzing trace with hash -207541835, now seen corresponding path program 1 times [2023-11-29 04:10:22,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:10:22,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004814230] [2023-11-29 04:10:22,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:10:22,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:10:22,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:10:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:10:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:10:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:10:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:10:23,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:10:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 04:10:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:10:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:10:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:10:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 04:10:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:10:23,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 04:10:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:10:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:10:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:10:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 04:10:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:10:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 04:10:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 04:10:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 04:10:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 04:10:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 04:10:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-29 04:10:23,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:10:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-29 04:10:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-29 04:10:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-29 04:10:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 04:10:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-29 04:10:23,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-29 04:10:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 04:10:23,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 04:10:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-11-29 04:10:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-11-29 04:10:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-11-29 04:10:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-29 04:10:23,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-11-29 04:10:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:10:23,535 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2023-11-29 04:10:23,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:10:23,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004814230] [2023-11-29 04:10:23,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004814230] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:10:23,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:10:23,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 04:10:23,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673486869] [2023-11-29 04:10:23,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:10:23,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:10:23,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:10:23,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:10:23,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:10:23,537 INFO L87 Difference]: Start difference. First operand 217885 states and 314879 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-29 04:10:50,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:10:50,350 INFO L93 Difference]: Finished difference Result 249011 states and 365823 transitions. [2023-11-29 04:10:50,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 04:10:50,351 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (31), 4 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 216 [2023-11-29 04:10:50,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:10:51,119 INFO L225 Difference]: With dead ends: 249011 [2023-11-29 04:10:51,119 INFO L226 Difference]: Without dead ends: 249009 [2023-11-29 04:10:51,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:10:51,194 INFO L413 NwaCegarLoop]: 1359 mSDtfsCounter, 2516 mSDsluCounter, 3033 mSDsCounter, 0 mSdLazyCounter, 3287 mSolverCounterSat, 1044 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2726 SdHoareTripleChecker+Valid, 4392 SdHoareTripleChecker+Invalid, 4331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1044 IncrementalHoareTripleChecker+Valid, 3287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:10:51,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2726 Valid, 4392 Invalid, 4331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1044 Valid, 3287 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-29 04:10:51,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249009 states. [2023-11-29 04:11:13,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249009 to 217889. [2023-11-29 04:11:13,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217889 states, 147238 states have (on average 1.3933631263668347) internal successors, (205156), 149984 states have internal predecessors, (205156), 54730 states have call successors, (54730), 16053 states have call predecessors, (54730), 15918 states have return successors, (54996), 53391 states have call predecessors, (54996), 54726 states have call successors, (54996) [2023-11-29 04:11:14,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217889 states to 217889 states and 314882 transitions. [2023-11-29 04:11:14,955 INFO L78 Accepts]: Start accepts. Automaton has 217889 states and 314882 transitions. Word has length 216 [2023-11-29 04:11:14,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:11:14,955 INFO L495 AbstractCegarLoop]: Abstraction has 217889 states and 314882 transitions. [2023-11-29 04:11:14,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-29 04:11:14,956 INFO L276 IsEmpty]: Start isEmpty. Operand 217889 states and 314882 transitions. [2023-11-29 04:11:14,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-11-29 04:11:14,959 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:11:14,959 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 11, 11, 9, 9, 9, 9, 9, 9, 4, 4, 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] [2023-11-29 04:11:14,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 04:11:14,959 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 04:11:14,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:11:14,959 INFO L85 PathProgramCache]: Analyzing trace with hash 829666395, now seen corresponding path program 1 times [2023-11-29 04:11:14,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:11:14,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126719475] [2023-11-29 04:11:14,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:11:14,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:11:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:11:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:11:15,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:11:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:11:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:11:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:11:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 04:11:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:11:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:11:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:11:15,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 04:11:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:11:15,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 04:11:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:11:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:11:15,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:11:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 04:11:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:11:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 04:11:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 04:11:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 04:11:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 04:11:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 04:11:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-29 04:11:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:11:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-29 04:11:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-29 04:11:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-29 04:11:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 04:11:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-29 04:11:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-29 04:11:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 04:11:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 04:11:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-11-29 04:11:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-11-29 04:11:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-11-29 04:11:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-29 04:11:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-11-29 04:11:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-29 04:11:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:15,289 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 619 trivial. 0 not checked. [2023-11-29 04:11:15,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:11:15,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126719475] [2023-11-29 04:11:15,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126719475] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:11:15,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:11:15,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 04:11:15,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973357322] [2023-11-29 04:11:15,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:11:15,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:11:15,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:11:15,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:11:15,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:11:15,291 INFO L87 Difference]: Start difference. First operand 217889 states and 314882 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-11-29 04:11:43,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:11:43,244 INFO L93 Difference]: Finished difference Result 249015 states and 365826 transitions. [2023-11-29 04:11:43,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 04:11:43,244 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (32), 4 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 221 [2023-11-29 04:11:43,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:11:44,143 INFO L225 Difference]: With dead ends: 249015 [2023-11-29 04:11:44,143 INFO L226 Difference]: Without dead ends: 249011 [2023-11-29 04:11:44,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:11:44,215 INFO L413 NwaCegarLoop]: 1357 mSDtfsCounter, 2517 mSDsluCounter, 3030 mSDsCounter, 0 mSdLazyCounter, 3285 mSolverCounterSat, 1042 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2730 SdHoareTripleChecker+Valid, 4387 SdHoareTripleChecker+Invalid, 4327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1042 IncrementalHoareTripleChecker+Valid, 3285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:11:44,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2730 Valid, 4387 Invalid, 4327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1042 Valid, 3285 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-29 04:11:44,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249011 states. [2023-11-29 04:12:07,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249011 to 217891. [2023-11-29 04:12:07,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217891 states, 147240 states have (on average 1.3933509915783755) internal successors, (205157), 149985 states have internal predecessors, (205157), 54730 states have call successors, (54730), 16054 states have call predecessors, (54730), 15918 states have return successors, (54996), 53391 states have call predecessors, (54996), 54726 states have call successors, (54996) [2023-11-29 04:12:08,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217891 states to 217891 states and 314883 transitions. [2023-11-29 04:12:08,536 INFO L78 Accepts]: Start accepts. Automaton has 217891 states and 314883 transitions. Word has length 221 [2023-11-29 04:12:08,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:12:08,536 INFO L495 AbstractCegarLoop]: Abstraction has 217891 states and 314883 transitions. [2023-11-29 04:12:08,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-11-29 04:12:08,537 INFO L276 IsEmpty]: Start isEmpty. Operand 217891 states and 314883 transitions. [2023-11-29 04:12:08,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2023-11-29 04:12:08,541 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:12:08,541 INFO L195 NwaCegarLoop]: trace histogram [15, 13, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 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] [2023-11-29 04:12:08,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 04:12:08,541 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 04:12:08,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:12:08,542 INFO L85 PathProgramCache]: Analyzing trace with hash 460394985, now seen corresponding path program 1 times [2023-11-29 04:12:08,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:12:08,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364280595] [2023-11-29 04:12:08,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:12:08,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:12:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:12:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:12:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:12:08,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:12:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:12:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:12:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 04:12:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:12:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:12:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:12:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 04:12:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:12:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 04:12:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:12:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:12:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:12:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 04:12:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:12:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 04:12:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 04:12:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-29 04:12:08,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 04:12:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 04:12:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-29 04:12:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:12:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-29 04:12:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-29 04:12:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-29 04:12:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-29 04:12:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 04:12:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-11-29 04:12:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-29 04:12:08,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-29 04:12:08,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 04:12:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-11-29 04:12:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-29 04:12:08,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-29 04:12:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-29 04:12:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-29 04:12:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-11-29 04:12:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-29 04:12:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-29 04:12:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-11-29 04:12:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 04:12:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-29 04:12:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,921 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 754 trivial. 0 not checked. [2023-11-29 04:12:08,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:12:08,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364280595] [2023-11-29 04:12:08,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364280595] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:12:08,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:12:08,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 04:12:08,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721420289] [2023-11-29 04:12:08,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:12:08,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 04:12:08,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:12:08,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 04:12:08,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:12:08,923 INFO L87 Difference]: Start difference. First operand 217891 states and 314883 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (37), 5 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-29 04:12:40,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:12:40,563 INFO L93 Difference]: Finished difference Result 249011 states and 365822 transitions. [2023-11-29 04:12:40,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 04:12:40,564 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (37), 5 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 252 [2023-11-29 04:12:40,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:12:41,506 INFO L225 Difference]: With dead ends: 249011 [2023-11-29 04:12:41,506 INFO L226 Difference]: Without dead ends: 247481 [2023-11-29 04:12:41,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:12:41,582 INFO L413 NwaCegarLoop]: 863 mSDtfsCounter, 3381 mSDsluCounter, 2278 mSDsCounter, 0 mSdLazyCounter, 5283 mSolverCounterSat, 1872 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3560 SdHoareTripleChecker+Valid, 3141 SdHoareTripleChecker+Invalid, 7155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1872 IncrementalHoareTripleChecker+Valid, 5283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:12:41,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3560 Valid, 3141 Invalid, 7155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1872 Valid, 5283 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-11-29 04:12:41,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247481 states.