./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-icplus-ipg.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6593095-b743-4ca8-b651-16b2d9eac5b4/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6593095-b743-4ca8-b651-16b2d9eac5b4/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6593095-b743-4ca8-b651-16b2d9eac5b4/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6593095-b743-4ca8-b651-16b2d9eac5b4/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-icplus-ipg.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6593095-b743-4ca8-b651-16b2d9eac5b4/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6593095-b743-4ca8-b651-16b2d9eac5b4/bin/uautomizer-verify-aQ6SnzHsRB --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 7c9f1b92adb9acc769d32e01935187ba88bc4e22a7a5cb13176ef92b5b4818de --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:26:15,509 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:26:15,593 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6593095-b743-4ca8-b651-16b2d9eac5b4/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 04:26:15,599 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:26:15,600 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:26:15,628 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:26:15,629 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:26:15,629 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:26:15,630 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:26:15,630 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:26:15,630 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:26:15,630 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:26:15,631 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:26:15,631 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:26:15,631 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:26:15,632 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:26:15,632 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:26:15,632 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:26:15,632 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:26:15,632 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:26:15,633 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:26:15,633 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:26:15,633 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:26:15,633 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:26:15,633 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:26:15,634 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:26:15,636 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:26:15,636 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:26:15,636 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:26:15,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:26:15,637 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:26:15,637 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:26:15,637 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:26:15,637 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:26:15,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:26:15,637 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:26:15,637 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:26:15,638 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:26:15,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:26:15,638 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:26:15,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:26:15,638 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:26:15,638 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:26:15,638 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:26:15,638 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:26:15,638 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6593095-b743-4ca8-b651-16b2d9eac5b4/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 7c9f1b92adb9acc769d32e01935187ba88bc4e22a7a5cb13176ef92b5b4818de [2024-11-28 04:26:16,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:26:16,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:26:16,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:26:16,015 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:26:16,016 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:26:16,020 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6593095-b743-4ca8-b651-16b2d9eac5b4/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-icplus-ipg.cil.i [2024-11-28 04:26:19,502 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6593095-b743-4ca8-b651-16b2d9eac5b4/bin/uautomizer-verify-aQ6SnzHsRB/data/bbe6faaf1/5507eed753d9461f9af44fbc6c39e9fe/FLAG581b96595 [2024-11-28 04:26:20,373 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:26:20,374 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6593095-b743-4ca8-b651-16b2d9eac5b4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-icplus-ipg.cil.i [2024-11-28 04:26:20,446 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6593095-b743-4ca8-b651-16b2d9eac5b4/bin/uautomizer-verify-aQ6SnzHsRB/data/bbe6faaf1/5507eed753d9461f9af44fbc6c39e9fe/FLAG581b96595 [2024-11-28 04:26:20,480 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6593095-b743-4ca8-b651-16b2d9eac5b4/bin/uautomizer-verify-aQ6SnzHsRB/data/bbe6faaf1/5507eed753d9461f9af44fbc6c39e9fe [2024-11-28 04:26:20,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:26:20,487 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:26:20,491 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:26:20,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:26:20,499 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:26:20,501 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:26:20" (1/1) ... [2024-11-28 04:26:20,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@477b28a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:20, skipping insertion in model container [2024-11-28 04:26:20,503 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:26:20" (1/1) ... [2024-11-28 04:26:20,680 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:26:23,803 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6593095-b743-4ca8-b651-16b2d9eac5b4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-icplus-ipg.cil.i[315136,315149] [2024-11-28 04:26:23,808 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6593095-b743-4ca8-b651-16b2d9eac5b4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-icplus-ipg.cil.i[315305,315318] [2024-11-28 04:26:23,808 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6593095-b743-4ca8-b651-16b2d9eac5b4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-icplus-ipg.cil.i[315472,315485] [2024-11-28 04:26:23,809 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6593095-b743-4ca8-b651-16b2d9eac5b4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-icplus-ipg.cil.i[315640,315653] [2024-11-28 04:26:23,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:26:23,884 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:26:24,057 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"); [5252] [2024-11-28 04:26:24,060 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)); [5259] [2024-11-28 04:26:24,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5266] [2024-11-28 04:26:24,063 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)); [5302-5303] [2024-11-28 04:26:24,063 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"); [5308-5310] [2024-11-28 04:26:24,074 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)); [5526-5527] [2024-11-28 04:26:24,076 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)); [5560-5561] [2024-11-28 04:26:24,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7910] [2024-11-28 04:26:24,394 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6593095-b743-4ca8-b651-16b2d9eac5b4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-icplus-ipg.cil.i[315136,315149] [2024-11-28 04:26:24,394 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6593095-b743-4ca8-b651-16b2d9eac5b4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-icplus-ipg.cil.i[315305,315318] [2024-11-28 04:26:24,395 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6593095-b743-4ca8-b651-16b2d9eac5b4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-icplus-ipg.cil.i[315472,315485] [2024-11-28 04:26:24,396 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6593095-b743-4ca8-b651-16b2d9eac5b4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-icplus-ipg.cil.i[315640,315653] [2024-11-28 04:26:24,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:26:24,654 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:26:24,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:24 WrapperNode [2024-11-28 04:26:24,656 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:26:24,658 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:26:24,658 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:26:24,658 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:26:24,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:24" (1/1) ... [2024-11-28 04:26:24,812 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:24" (1/1) ... [2024-11-28 04:26:25,186 INFO L138 Inliner]: procedures = 430, calls = 1731, calls flagged for inlining = 202, calls inlined = 186, statements flattened = 4826 [2024-11-28 04:26:25,188 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:26:25,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:26:25,189 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:26:25,189 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:26:25,201 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:24" (1/1) ... [2024-11-28 04:26:25,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:24" (1/1) ... [2024-11-28 04:26:25,251 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:24" (1/1) ... [2024-11-28 04:26:26,594 INFO L175 MemorySlicer]: Split 776 memory accesses to 19 slices as follows [2, 2, 4, 2, 15, 4, 1, 2, 10, 38, 9, 5, 9, 54, 3, 24, 19, 572, 1]. 74 percent of accesses are in the largest equivalence class. The 59 initializations are split as follows [0, 0, 4, 0, 15, 4, 1, 2, 10, 0, 9, 4, 9, 0, 1, 0, 0, 0, 0]. The 394 writes are split as follows [1, 1, 0, 1, 0, 0, 0, 0, 0, 32, 0, 0, 0, 42, 0, 17, 16, 284, 0]. [2024-11-28 04:26:26,594 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:24" (1/1) ... [2024-11-28 04:26:26,595 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:24" (1/1) ... [2024-11-28 04:26:26,764 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:24" (1/1) ... [2024-11-28 04:26:26,780 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:24" (1/1) ... [2024-11-28 04:26:26,827 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:24" (1/1) ... [2024-11-28 04:26:26,892 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:24" (1/1) ... [2024-11-28 04:26:26,913 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:24" (1/1) ... [2024-11-28 04:26:26,966 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:26:26,967 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:26:26,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:26:26,968 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:26:26,969 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:24" (1/1) ... [2024-11-28 04:26:26,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:26:26,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6593095-b743-4ca8-b651-16b2d9eac5b4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:26:27,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6593095-b743-4ca8-b651-16b2d9eac5b4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:26:27,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6593095-b743-4ca8-b651-16b2d9eac5b4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:26:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2024-11-28 04:26:27,060 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2024-11-28 04:26:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-28 04:26:27,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-28 04:26:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-28 04:26:27,061 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-28 04:26:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-28 04:26:27,061 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-28 04:26:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 04:26:27,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 04:26:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-28 04:26:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-28 04:26:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure init_tfdlist [2024-11-28 04:26:27,063 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tfdlist [2024-11-28 04:26:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-28 04:26:27,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-28 04:26:27,064 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-28 04:26:27,064 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-28 04:26:27,064 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2024-11-28 04:26:27,064 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2024-11-28 04:26:27,064 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_set_multicast_list [2024-11-28 04:26:27,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_set_multicast_list [2024-11-28 04:26:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2024-11-28 04:26:27,067 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2024-11-28 04:26:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-11-28 04:26:27,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-11-28 04:26:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-11-28 04:26:27,068 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-11-28 04:26:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_rx_clear [2024-11-28 04:26:27,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_rx_clear [2024-11-28 04:26:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2024-11-28 04:26:27,068 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2024-11-28 04:26:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-28 04:26:27,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-28 04:26:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-28 04:26:27,068 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-28 04:26:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2024-11-28 04:26:27,068 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2024-11-28 04:26:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-28 04:26:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-28 04:26:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-28 04:26:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-28 04:26:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-28 04:26:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-28 04:26:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:26:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure read_phy_bit [2024-11-28 04:26:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure read_phy_bit [2024-11-28 04:26:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_remove [2024-11-28 04:26:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_remove [2024-11-28 04:26:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-28 04:26:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-28 04:26:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-28 04:26:27,070 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-28 04:26:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-28 04:26:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-28 04:26:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-28 04:26:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-28 04:26:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-28 04:26:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-28 04:26:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-28 04:26:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-28 04:26:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-28 04:26:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-28 04:26:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-28 04:26:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-28 04:26:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-28 04:26:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-28 04:26:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-28 04:26:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-28 04:26:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-28 04:26:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-28 04:26:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-28 04:26:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-28 04:26:27,071 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-28 04:26:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_open [2024-11-28 04:26:27,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_open [2024-11-28 04:26:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 04:26:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 04:26:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 04:26:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 04:26:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 04:26:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 04:26:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 04:26:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 04:26:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 04:26:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 04:26:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 04:26:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 04:26:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 04:26:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 04:26:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-28 04:26:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-28 04:26:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-28 04:26:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-28 04:26:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-28 04:26:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-28 04:26:27,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-28 04:26:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 04:26:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 04:26:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 04:26:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 04:26:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 04:26:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 04:26:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 04:26:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 04:26:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 04:26:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 04:26:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 04:26:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 04:26:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 04:26:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 04:26:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 04:26:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 04:26:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-28 04:26:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-28 04:26:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-28 04:26:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-28 04:26:27,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-28 04:26:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-28 04:26:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-28 04:26:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-28 04:26:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-28 04:26:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-28 04:26:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-28 04:26:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-28 04:26:27,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-28 04:26:27,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-28 04:26:27,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-28 04:26:27,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-28 04:26:27,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-28 04:26:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-28 04:26:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-28 04:26:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-28 04:26:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-28 04:26:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-28 04:26:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-28 04:26:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-28 04:26:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-28 04:26:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-28 04:26:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-28 04:26:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-28 04:26:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-28 04:26:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-28 04:26:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-28 04:26:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-28 04:26:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-28 04:26:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-28 04:26:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-28 04:26:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-28 04:26:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-28 04:26:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-28 04:26:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-28 04:26:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-28 04:26:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-28 04:26:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-28 04:26:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-28 04:26:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-28 04:26:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-28 04:26:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-28 04:26:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-28 04:26:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-28 04:26:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-28 04:26:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2024-11-28 04:26:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2024-11-28 04:26:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-28 04:26:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-28 04:26:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-28 04:26:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-28 04:26:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_get_stats [2024-11-28 04:26:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_get_stats [2024-11-28 04:26:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-28 04:26:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-28 04:26:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rxrestore [2024-11-28 04:26:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rxrestore [2024-11-28 04:26:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 04:26:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-28 04:26:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-28 04:26:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-28 04:26:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-28 04:26:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:26:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-28 04:26:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-28 04:26:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-28 04:26:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-28 04:26:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 04:26:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 04:26:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 04:26:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 04:26:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 04:26:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 04:26:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 04:26:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 04:26:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 04:26:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 04:26:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 04:26:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 04:26:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 04:26:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 04:26:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-28 04:26:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-28 04:26:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-28 04:26:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-28 04:26:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-28 04:26:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2024-11-28 04:26:27,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2024-11-28 04:26:27,094 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-28 04:26:27,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-28 04:26:27,094 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioaddr [2024-11-28 04:26:27,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioaddr [2024-11-28 04:26:27,094 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-28 04:26:27,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-28 04:26:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2024-11-28 04:26:27,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2024-11-28 04:26:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-28 04:26:27,095 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-28 04:26:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-28 04:26:27,095 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-28 04:26:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-28 04:26:27,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-28 04:26:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_rxbuff [2024-11-28 04:26:27,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_rxbuff [2024-11-28 04:26:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_write_phy_ctl [2024-11-28 04:26:27,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_write_phy_ctl [2024-11-28 04:26:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2024-11-28 04:26:27,095 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2024-11-28 04:26:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-28 04:26:27,095 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-28 04:26:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_drive_phy_ctl_low_high [2024-11-28 04:26:27,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_drive_phy_ctl_low_high [2024-11-28 04:26:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2024-11-28 04:26:27,095 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2024-11-28 04:26:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:26:27,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:26:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txfree [2024-11-28 04:26:27,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txfree [2024-11-28 04:26:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-28 04:26:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-28 04:26:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-28 04:26:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-28 04:26:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-28 04:26:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-28 04:26:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-28 04:26:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-28 04:26:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-28 04:26:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-28 04:26:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-28 04:26:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-28 04:26:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-28 04:26:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-28 04:26:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-28 04:26:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-28 04:26:27,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-28 04:26:27,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-28 04:26:27,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-28 04:26:27,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 04:26:27,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 04:26:27,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 04:26:27,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 04:26:27,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 04:26:27,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 04:26:27,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 04:26:27,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 04:26:27,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 04:26:27,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 04:26:27,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 04:26:27,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 04:26:27,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 04:26:27,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 04:26:27,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-28 04:26:27,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-28 04:26:27,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-28 04:26:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-28 04:26:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-28 04:26:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-28 04:26:27,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-28 04:26:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_timeout [2024-11-28 04:26:27,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_timeout [2024-11-28 04:26:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-28 04:26:27,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-28 04:26:27,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-28 04:26:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-28 04:26:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-28 04:26:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-28 04:26:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-28 04:26:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-28 04:26:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-28 04:26:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-28 04:26:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_clear [2024-11-28 04:26:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_clear [2024-11-28 04:26:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2024-11-28 04:26:27,105 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2024-11-28 04:26:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:26:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-28 04:26:27,105 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-28 04:26:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 04:26:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 04:26:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 04:26:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 04:26:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 04:26:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 04:26:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 04:26:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 04:26:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 04:26:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 04:26:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 04:26:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 04:26:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 04:26:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 04:26:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-28 04:26:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-28 04:26:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-28 04:26:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-28 04:26:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-28 04:26:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_ipg_nic_private [2024-11-28 04:26:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_ipg_nic_private [2024-11-28 04:26:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_free_skb [2024-11-28 04:26:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_free_skb [2024-11-28 04:26:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure send_three_state [2024-11-28 04:26:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure send_three_state [2024-11-28 04:26:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 04:26:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 04:26:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 04:26:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 04:26:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 04:26:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 04:26:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-28 04:26:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-28 04:26:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-28 04:26:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-28 04:26:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-28 04:26:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-28 04:26:27,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-28 04:26:27,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-28 04:26:27,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-28 04:26:27,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-28 04:26:27,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-28 04:26:27,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-28 04:26:27,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-28 04:26:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-28 04:26:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-28 04:26:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-28 04:26:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-28 04:26:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-28 04:26:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-28 04:26:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-28 04:26:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-28 04:26:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-28 04:26:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-28 04:26:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-28 04:26:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-28 04:26:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-11-28 04:26:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-11-28 04:26:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_io_config [2024-11-28 04:26:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_io_config [2024-11-28 04:26:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure init_rfdlist [2024-11-28 04:26:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rfdlist [2024-11-28 04:26:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2024-11-28 04:26:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2024-11-28 04:26:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-28 04:26:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-28 04:26:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-28 04:26:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-28 04:26:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-28 04:26:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-28 04:26:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 04:26:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 04:26:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 04:26:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 04:26:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 04:26:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 04:26:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 04:26:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 04:26:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 04:26:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 04:26:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 04:26:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 04:26:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 04:26:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 04:26:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 04:26:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 04:26:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-28 04:26:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-28 04:26:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-28 04:26:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2024-11-28 04:26:27,113 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2024-11-28 04:26:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-28 04:26:27,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-28 04:26:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nway_reset [2024-11-28 04:26:27,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nway_reset [2024-11-28 04:26:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_stop [2024-11-28 04:26:27,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_stop [2024-11-28 04:26:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_config_autoneg [2024-11-28 04:26:27,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_config_autoneg [2024-11-28 04:26:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ipg_pci_driver_exit_13_2 [2024-11-28 04:26:27,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ipg_pci_driver_exit_13_2 [2024-11-28 04:26:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_ipg_nic_private [2024-11-28 04:26:27,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_ipg_nic_private [2024-11-28 04:26:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-28 04:26:27,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-28 04:26:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset [2024-11-28 04:26:27,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset [2024-11-28 04:26:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-28 04:26:27,114 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-28 04:26:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2024-11-28 04:26:27,114 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2024-11-28 04:26:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2024-11-28 04:26:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:26:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 04:26:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 04:26:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 04:26:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 04:26:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 04:26:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 04:26:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 04:26:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 04:26:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 04:26:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 04:26:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 04:26:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 04:26:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 04:26:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 04:26:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 04:26:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-28 04:26:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-28 04:26:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-28 04:26:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_error [2024-11-28 04:26:27,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_error [2024-11-28 04:26:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-28 04:26:27,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-28 04:26:28,543 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:26:28,548 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:26:30,437 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-28 04:26:45,735 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-28 04:26:46,918 INFO L? ?]: Removed 2639 outVars from TransFormulas that were not future-live. [2024-11-28 04:26:46,919 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:26:47,003 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:26:47,007 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:26:47,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:26:47 BoogieIcfgContainer [2024-11-28 04:26:47,007 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:26:47,012 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:26:47,012 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:26:47,019 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:26:47,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:26:20" (1/3) ... [2024-11-28 04:26:47,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37f57dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:26:47, skipping insertion in model container [2024-11-28 04:26:47,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:24" (2/3) ... [2024-11-28 04:26:47,022 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37f57dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:26:47, skipping insertion in model container [2024-11-28 04:26:47,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:26:47" (3/3) ... [2024-11-28 04:26:47,024 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-icplus-ipg.cil.i [2024-11-28 04:26:47,048 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:26:47,052 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-icplus-ipg.cil.i that has 117 procedures, 2170 locations, 1 initial locations, 38 loop locations, and 3 error locations. [2024-11-28 04:26:47,216 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:26:47,231 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@417c6d6d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:26:47,231 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-28 04:26:47,244 INFO L276 IsEmpty]: Start isEmpty. Operand has 2078 states, 1507 states have (on average 1.3205043132050431) internal successors, (1990), 1537 states have internal predecessors, (1990), 473 states have call successors, (473), 98 states have call predecessors, (473), 97 states have return successors, (467), 464 states have call predecessors, (467), 467 states have call successors, (467) [2024-11-28 04:26:47,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-28 04:26:47,266 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:26:47,266 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:26:47,267 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 04:26:47,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:26:47,274 INFO L85 PathProgramCache]: Analyzing trace with hash 480054072, now seen corresponding path program 1 times [2024-11-28 04:26:47,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:26:47,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782535120] [2024-11-28 04:26:47,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:26:47,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:26:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:26:55,023 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-28 04:26:55,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:26:55,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782535120] [2024-11-28 04:26:55,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782535120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:26:55,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:26:55,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:26:55,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937035169] [2024-11-28 04:26:55,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:26:55,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:26:55,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:26:55,060 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:26:55,060 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:26:55,067 INFO L87 Difference]: Start difference. First operand has 2078 states, 1507 states have (on average 1.3205043132050431) internal successors, (1990), 1537 states have internal predecessors, (1990), 473 states have call successors, (473), 98 states have call predecessors, (473), 97 states have return successors, (467), 464 states have call predecessors, (467), 467 states have call successors, (467) Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-28 04:26:59,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:27:00,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:27:00,328 INFO L93 Difference]: Finished difference Result 6086 states and 8770 transitions. [2024-11-28 04:27:00,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:27:00,331 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 116 [2024-11-28 04:27:00,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:27:00,394 INFO L225 Difference]: With dead ends: 6086 [2024-11-28 04:27:00,394 INFO L226 Difference]: Without dead ends: 4019 [2024-11-28 04:27:00,431 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:27:00,439 INFO L435 NwaCegarLoop]: 2892 mSDtfsCounter, 2750 mSDsluCounter, 2822 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2750 SdHoareTripleChecker+Valid, 5714 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:27:00,440 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2750 Valid, 5714 Invalid, 34 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-28 04:27:00,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4019 states. [2024-11-28 04:27:00,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4019 to 4015. [2024-11-28 04:27:00,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4015 states, 2932 states have (on average 1.2957025920873124) internal successors, (3799), 2989 states have internal predecessors, (3799), 890 states have call successors, (890), 191 states have call predecessors, (890), 190 states have return successors, (886), 880 states have call predecessors, (886), 886 states have call successors, (886) [2024-11-28 04:27:01,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4015 states to 4015 states and 5575 transitions. [2024-11-28 04:27:01,026 INFO L78 Accepts]: Start accepts. Automaton has 4015 states and 5575 transitions. Word has length 116 [2024-11-28 04:27:01,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:27:01,028 INFO L471 AbstractCegarLoop]: Abstraction has 4015 states and 5575 transitions. [2024-11-28 04:27:01,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-28 04:27:01,029 INFO L276 IsEmpty]: Start isEmpty. Operand 4015 states and 5575 transitions. [2024-11-28 04:27:01,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-28 04:27:01,043 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:27:01,044 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:27:01,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:27:01,044 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 04:27:01,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:27:01,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1500094386, now seen corresponding path program 1 times [2024-11-28 04:27:01,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:27:01,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490411696] [2024-11-28 04:27:01,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:27:01,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:27:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:27:07,560 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-28 04:27:07,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:27:07,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490411696] [2024-11-28 04:27:07,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490411696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:27:07,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:27:07,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:27:07,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722950897] [2024-11-28 04:27:07,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:27:07,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:27:07,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:27:07,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:27:07,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:27:07,568 INFO L87 Difference]: Start difference. First operand 4015 states and 5575 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 04:27:11,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:27:12,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:27:12,858 INFO L93 Difference]: Finished difference Result 11067 states and 15299 transitions. [2024-11-28 04:27:12,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:27:12,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (14), 2 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 120 [2024-11-28 04:27:12,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:27:12,942 INFO L225 Difference]: With dead ends: 11067 [2024-11-28 04:27:12,942 INFO L226 Difference]: Without dead ends: 7073 [2024-11-28 04:27:12,966 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:27:12,968 INFO L435 NwaCegarLoop]: 3079 mSDtfsCounter, 2174 mSDsluCounter, 2790 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2174 SdHoareTripleChecker+Valid, 5869 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:27:12,969 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2174 Valid, 5869 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-28 04:27:12,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7073 states. [2024-11-28 04:27:13,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7073 to 7044. [2024-11-28 04:27:13,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7044 states, 5125 states have (on average 1.281170731707317) internal successors, (6566), 5229 states have internal predecessors, (6566), 1563 states have call successors, (1563), 360 states have call predecessors, (1563), 353 states have return successors, (1579), 1530 states have call predecessors, (1579), 1559 states have call successors, (1579) [2024-11-28 04:27:13,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7044 states to 7044 states and 9708 transitions. [2024-11-28 04:27:13,632 INFO L78 Accepts]: Start accepts. Automaton has 7044 states and 9708 transitions. Word has length 120 [2024-11-28 04:27:13,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:27:13,633 INFO L471 AbstractCegarLoop]: Abstraction has 7044 states and 9708 transitions. [2024-11-28 04:27:13,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 04:27:13,634 INFO L276 IsEmpty]: Start isEmpty. Operand 7044 states and 9708 transitions. [2024-11-28 04:27:13,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-28 04:27:13,647 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:27:13,647 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 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] [2024-11-28 04:27:13,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:27:13,648 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 04:27:13,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:27:13,648 INFO L85 PathProgramCache]: Analyzing trace with hash -825660509, now seen corresponding path program 1 times [2024-11-28 04:27:13,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:27:13,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824817115] [2024-11-28 04:27:13,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:27:13,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:27:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:27:20,141 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2024-11-28 04:27:20,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:27:20,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824817115] [2024-11-28 04:27:20,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824817115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:27:20,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:27:20,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:27:20,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751788921] [2024-11-28 04:27:20,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:27:20,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:27:20,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:27:20,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:27:20,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:27:20,146 INFO L87 Difference]: Start difference. First operand 7044 states and 9708 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-28 04:27:24,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:27:26,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:27:26,252 INFO L93 Difference]: Finished difference Result 15582 states and 21474 transitions. [2024-11-28 04:27:26,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:27:26,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 168 [2024-11-28 04:27:26,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:27:26,323 INFO L225 Difference]: With dead ends: 15582 [2024-11-28 04:27:26,323 INFO L226 Difference]: Without dead ends: 8559 [2024-11-28 04:27:26,360 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:27:26,362 INFO L435 NwaCegarLoop]: 3968 mSDtfsCounter, 2095 mSDsluCounter, 2788 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2095 SdHoareTripleChecker+Valid, 6756 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:27:26,364 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2095 Valid, 6756 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 76 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2024-11-28 04:27:26,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8559 states. [2024-11-28 04:27:26,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8559 to 8532. [2024-11-28 04:27:26,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8532 states, 6271 states have (on average 1.2827300271089142) internal successors, (8044), 6387 states have internal predecessors, (8044), 1822 states have call successors, (1822), 444 states have call predecessors, (1822), 436 states have return successors, (1830), 1786 states have call predecessors, (1830), 1818 states have call successors, (1830) [2024-11-28 04:27:26,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8532 states to 8532 states and 11696 transitions. [2024-11-28 04:27:26,893 INFO L78 Accepts]: Start accepts. Automaton has 8532 states and 11696 transitions. Word has length 168 [2024-11-28 04:27:26,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:27:26,894 INFO L471 AbstractCegarLoop]: Abstraction has 8532 states and 11696 transitions. [2024-11-28 04:27:26,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-28 04:27:26,895 INFO L276 IsEmpty]: Start isEmpty. Operand 8532 states and 11696 transitions. [2024-11-28 04:27:26,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-28 04:27:26,900 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:27:26,900 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 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] [2024-11-28 04:27:26,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:27:26,901 INFO L396 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)] === [2024-11-28 04:27:26,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:27:26,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1337766742, now seen corresponding path program 1 times [2024-11-28 04:27:26,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:27:26,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123671412] [2024-11-28 04:27:26,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:27:26,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:27:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:27:33,705 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2024-11-28 04:27:33,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:27:33,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123671412] [2024-11-28 04:27:33,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123671412] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:27:33,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:27:33,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:27:33,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986707550] [2024-11-28 04:27:33,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:27:33,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:27:33,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:27:33,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:27:33,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:27:33,712 INFO L87 Difference]: Start difference. First operand 8532 states and 11696 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-28 04:27:37,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:27:39,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:27:39,243 INFO L93 Difference]: Finished difference Result 19119 states and 26244 transitions. [2024-11-28 04:27:39,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:27:39,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 170 [2024-11-28 04:27:39,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:27:39,365 INFO L225 Difference]: With dead ends: 19119 [2024-11-28 04:27:39,369 INFO L226 Difference]: Without dead ends: 10608 [2024-11-28 04:27:39,415 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:27:39,417 INFO L435 NwaCegarLoop]: 2871 mSDtfsCounter, 2587 mSDsluCounter, 2786 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2587 SdHoareTripleChecker+Valid, 5657 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:27:39,418 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2587 Valid, 5657 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 56 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-28 04:27:39,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10608 states. [2024-11-28 04:27:40,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10608 to 10580. [2024-11-28 04:27:40,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10580 states, 7742 states have (on average 1.283518470679411) internal successors, (9937), 7900 states have internal predecessors, (9937), 2281 states have call successors, (2281), 567 states have call predecessors, (2281), 554 states have return successors, (2298), 2215 states have call predecessors, (2298), 2277 states have call successors, (2298) [2024-11-28 04:27:40,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10580 states to 10580 states and 14516 transitions. [2024-11-28 04:27:40,174 INFO L78 Accepts]: Start accepts. Automaton has 10580 states and 14516 transitions. Word has length 170 [2024-11-28 04:27:40,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:27:40,175 INFO L471 AbstractCegarLoop]: Abstraction has 10580 states and 14516 transitions. [2024-11-28 04:27:40,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-28 04:27:40,176 INFO L276 IsEmpty]: Start isEmpty. Operand 10580 states and 14516 transitions. [2024-11-28 04:27:40,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-28 04:27:40,179 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:27:40,180 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 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] [2024-11-28 04:27:40,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:27:40,180 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 04:27:40,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:27:40,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1216505380, now seen corresponding path program 1 times [2024-11-28 04:27:40,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:27:40,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967974430] [2024-11-28 04:27:40,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:27:40,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:27:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:27:45,816 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-11-28 04:27:45,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:27:45,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967974430] [2024-11-28 04:27:45,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967974430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:27:45,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:27:45,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:27:45,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697083922] [2024-11-28 04:27:45,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:27:45,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:27:45,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:27:45,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:27:45,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:27:45,821 INFO L87 Difference]: Start difference. First operand 10580 states and 14516 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-28 04:27:49,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:27:51,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:27:51,258 INFO L93 Difference]: Finished difference Result 31043 states and 42641 transitions. [2024-11-28 04:27:51,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:27:51,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 172 [2024-11-28 04:27:51,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:27:51,410 INFO L225 Difference]: With dead ends: 31043 [2024-11-28 04:27:51,410 INFO L226 Difference]: Without dead ends: 20559 [2024-11-28 04:27:51,462 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:27:51,463 INFO L435 NwaCegarLoop]: 3038 mSDtfsCounter, 2714 mSDsluCounter, 2831 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2714 SdHoareTripleChecker+Valid, 5869 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:27:51,465 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2714 Valid, 5869 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-28 04:27:51,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20559 states. [2024-11-28 04:27:52,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20559 to 20555. [2024-11-28 04:27:52,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20555 states, 15085 states have (on average 1.2849187935034803) internal successors, (19383), 15371 states have internal predecessors, (19383), 4390 states have call successors, (4390), 1098 states have call predecessors, (4390), 1077 states have return successors, (4428), 4291 states have call predecessors, (4428), 4386 states have call successors, (4428) [2024-11-28 04:27:52,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20555 states to 20555 states and 28201 transitions. [2024-11-28 04:27:52,515 INFO L78 Accepts]: Start accepts. Automaton has 20555 states and 28201 transitions. Word has length 172 [2024-11-28 04:27:52,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:27:52,516 INFO L471 AbstractCegarLoop]: Abstraction has 20555 states and 28201 transitions. [2024-11-28 04:27:52,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-28 04:27:52,516 INFO L276 IsEmpty]: Start isEmpty. Operand 20555 states and 28201 transitions. [2024-11-28 04:27:52,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-28 04:27:52,521 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:27:52,521 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 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] [2024-11-28 04:27:52,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:27:52,522 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 04:27:52,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:27:52,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1357053990, now seen corresponding path program 1 times [2024-11-28 04:27:52,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:27:52,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505321622] [2024-11-28 04:27:52,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:27:52,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:27:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:27:58,776 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2024-11-28 04:27:58,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:27:58,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505321622] [2024-11-28 04:27:58,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505321622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:27:58,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:27:58,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:27:58,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111917103] [2024-11-28 04:27:58,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:27:58,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:27:58,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:27:58,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:27:58,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:27:58,778 INFO L87 Difference]: Start difference. First operand 20555 states and 28201 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 04:27:59,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:27:59,962 INFO L93 Difference]: Finished difference Result 20561 states and 28206 transitions. [2024-11-28 04:27:59,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:27:59,962 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 172 [2024-11-28 04:27:59,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:28:00,070 INFO L225 Difference]: With dead ends: 20561 [2024-11-28 04:28:00,071 INFO L226 Difference]: Without dead ends: 20559 [2024-11-28 04:28:00,080 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:28:00,082 INFO L435 NwaCegarLoop]: 2855 mSDtfsCounter, 2809 mSDsluCounter, 5697 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2810 SdHoareTripleChecker+Valid, 8552 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:28:00,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2810 Valid, 8552 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:28:00,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20559 states. [2024-11-28 04:28:01,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20559 to 20559. [2024-11-28 04:28:01,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20559 states, 15088 states have (on average 1.284862142099682) internal successors, (19386), 15374 states have internal predecessors, (19386), 4390 states have call successors, (4390), 1099 states have call predecessors, (4390), 1078 states have return successors, (4428), 4291 states have call predecessors, (4428), 4386 states have call successors, (4428) [2024-11-28 04:28:01,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20559 states to 20559 states and 28204 transitions. [2024-11-28 04:28:01,162 INFO L78 Accepts]: Start accepts. Automaton has 20559 states and 28204 transitions. Word has length 172 [2024-11-28 04:28:01,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:28:01,163 INFO L471 AbstractCegarLoop]: Abstraction has 20559 states and 28204 transitions. [2024-11-28 04:28:01,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 04:28:01,163 INFO L276 IsEmpty]: Start isEmpty. Operand 20559 states and 28204 transitions. [2024-11-28 04:28:01,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-28 04:28:01,168 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:28:01,168 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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] [2024-11-28 04:28:01,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:28:01,168 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 04:28:01,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:01,169 INFO L85 PathProgramCache]: Analyzing trace with hash 158949189, now seen corresponding path program 1 times [2024-11-28 04:28:01,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:28:01,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022554158] [2024-11-28 04:28:01,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:01,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:28:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:28:07,846 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2024-11-28 04:28:07,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:28:07,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022554158] [2024-11-28 04:28:07,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022554158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:28:07,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:28:07,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:28:07,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285037148] [2024-11-28 04:28:07,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:28:07,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:28:07,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:28:07,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:28:07,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:28:07,848 INFO L87 Difference]: Start difference. First operand 20559 states and 28204 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 04:28:09,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:28:09,193 INFO L93 Difference]: Finished difference Result 20565 states and 28209 transitions. [2024-11-28 04:28:09,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:28:09,193 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 177 [2024-11-28 04:28:09,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:28:09,301 INFO L225 Difference]: With dead ends: 20565 [2024-11-28 04:28:09,302 INFO L226 Difference]: Without dead ends: 20563 [2024-11-28 04:28:09,311 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:28:09,312 INFO L435 NwaCegarLoop]: 2858 mSDtfsCounter, 2805 mSDsluCounter, 5698 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2806 SdHoareTripleChecker+Valid, 8556 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:28:09,313 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2806 Valid, 8556 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:28:09,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20563 states. [2024-11-28 04:28:10,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20563 to 20563. [2024-11-28 04:28:10,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20563 states, 15091 states have (on average 1.2848055132198) internal successors, (19389), 15377 states have internal predecessors, (19389), 4390 states have call successors, (4390), 1100 states have call predecessors, (4390), 1079 states have return successors, (4428), 4291 states have call predecessors, (4428), 4386 states have call successors, (4428) [2024-11-28 04:28:10,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20563 states to 20563 states and 28207 transitions. [2024-11-28 04:28:10,378 INFO L78 Accepts]: Start accepts. Automaton has 20563 states and 28207 transitions. Word has length 177 [2024-11-28 04:28:10,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:28:10,378 INFO L471 AbstractCegarLoop]: Abstraction has 20563 states and 28207 transitions. [2024-11-28 04:28:10,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 04:28:10,379 INFO L276 IsEmpty]: Start isEmpty. Operand 20563 states and 28207 transitions. [2024-11-28 04:28:10,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-28 04:28:10,383 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:28:10,384 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:28:10,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:28:10,384 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 04:28:10,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:10,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1878412474, now seen corresponding path program 1 times [2024-11-28 04:28:10,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:28:10,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146280043] [2024-11-28 04:28:10,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:10,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:28:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:28:16,279 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2024-11-28 04:28:16,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:28:16,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146280043] [2024-11-28 04:28:16,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146280043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:28:16,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:28:16,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:28:16,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947330959] [2024-11-28 04:28:16,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:28:16,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:28:16,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:28:16,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:28:16,281 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:28:16,281 INFO L87 Difference]: Start difference. First operand 20563 states and 28207 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 04:28:17,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:28:17,434 INFO L93 Difference]: Finished difference Result 20569 states and 28212 transitions. [2024-11-28 04:28:17,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:28:17,435 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 3 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 182 [2024-11-28 04:28:17,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:28:17,553 INFO L225 Difference]: With dead ends: 20569 [2024-11-28 04:28:17,553 INFO L226 Difference]: Without dead ends: 20567 [2024-11-28 04:28:17,567 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:28:17,568 INFO L435 NwaCegarLoop]: 2858 mSDtfsCounter, 2804 mSDsluCounter, 5698 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2805 SdHoareTripleChecker+Valid, 8556 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:28:17,568 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2805 Valid, 8556 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:28:17,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20567 states. [2024-11-28 04:28:18,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20567 to 20567. [2024-11-28 04:28:18,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20567 states, 15094 states have (on average 1.284748906850404) internal successors, (19392), 15380 states have internal predecessors, (19392), 4390 states have call successors, (4390), 1101 states have call predecessors, (4390), 1080 states have return successors, (4428), 4291 states have call predecessors, (4428), 4386 states have call successors, (4428) [2024-11-28 04:28:18,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20567 states to 20567 states and 28210 transitions. [2024-11-28 04:28:18,567 INFO L78 Accepts]: Start accepts. Automaton has 20567 states and 28210 transitions. Word has length 182 [2024-11-28 04:28:18,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:28:18,568 INFO L471 AbstractCegarLoop]: Abstraction has 20567 states and 28210 transitions. [2024-11-28 04:28:18,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 04:28:18,568 INFO L276 IsEmpty]: Start isEmpty. Operand 20567 states and 28210 transitions. [2024-11-28 04:28:18,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-28 04:28:18,573 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:28:18,574 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 3, 3, 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] [2024-11-28 04:28:18,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:28:18,574 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 04:28:18,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:18,575 INFO L85 PathProgramCache]: Analyzing trace with hash -585928141, now seen corresponding path program 1 times [2024-11-28 04:28:18,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:28:18,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619914160] [2024-11-28 04:28:18,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:18,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:28:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:28:23,172 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2024-11-28 04:28:23,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:28:23,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619914160] [2024-11-28 04:28:23,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619914160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:28:23,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:28:23,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:28:23,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659971986] [2024-11-28 04:28:23,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:28:23,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:28:23,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:28:23,175 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:28:23,175 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:28:23,176 INFO L87 Difference]: Start difference. First operand 20567 states and 28210 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-28 04:28:27,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:28:29,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:28:29,315 INFO L93 Difference]: Finished difference Result 51055 states and 70082 transitions. [2024-11-28 04:28:29,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:28:29,316 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 199 [2024-11-28 04:28:29,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:28:29,531 INFO L225 Difference]: With dead ends: 51055 [2024-11-28 04:28:29,531 INFO L226 Difference]: Without dead ends: 30584 [2024-11-28 04:28:29,616 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:28:29,618 INFO L435 NwaCegarLoop]: 5568 mSDtfsCounter, 2744 mSDsluCounter, 2833 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2744 SdHoareTripleChecker+Valid, 8401 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:28:29,619 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2744 Valid, 8401 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 25 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-28 04:28:29,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30584 states. [2024-11-28 04:28:31,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30584 to 30550. [2024-11-28 04:28:31,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30550 states, 22445 states have (on average 1.2851860102472712) internal successors, (28846), 22859 states have internal predecessors, (28846), 6499 states have call successors, (6499), 1632 states have call predecessors, (6499), 1603 states have return successors, (6558), 6367 states have call predecessors, (6558), 6495 states have call successors, (6558) [2024-11-28 04:28:31,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30550 states to 30550 states and 41903 transitions. [2024-11-28 04:28:31,210 INFO L78 Accepts]: Start accepts. Automaton has 30550 states and 41903 transitions. Word has length 199 [2024-11-28 04:28:31,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:28:31,211 INFO L471 AbstractCegarLoop]: Abstraction has 30550 states and 41903 transitions. [2024-11-28 04:28:31,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-28 04:28:31,211 INFO L276 IsEmpty]: Start isEmpty. Operand 30550 states and 41903 transitions. [2024-11-28 04:28:31,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-28 04:28:31,215 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:28:31,215 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 3, 3, 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] [2024-11-28 04:28:31,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:28:31,215 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 04:28:31,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:31,217 INFO L85 PathProgramCache]: Analyzing trace with hash -60829787, now seen corresponding path program 1 times [2024-11-28 04:28:31,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:28:31,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783867047] [2024-11-28 04:28:31,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:31,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:28:35,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:28:36,785 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2024-11-28 04:28:36,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:28:36,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783867047] [2024-11-28 04:28:36,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783867047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:28:36,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:28:36,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:28:36,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568875893] [2024-11-28 04:28:36,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:28:36,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:28:36,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:28:36,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:28:36,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:28:36,789 INFO L87 Difference]: Start difference. First operand 30550 states and 41903 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 04:28:38,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:28:38,258 INFO L93 Difference]: Finished difference Result 30556 states and 41908 transitions. [2024-11-28 04:28:38,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:28:38,258 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (22), 3 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 187 [2024-11-28 04:28:38,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:28:38,428 INFO L225 Difference]: With dead ends: 30556 [2024-11-28 04:28:38,428 INFO L226 Difference]: Without dead ends: 30554 [2024-11-28 04:28:38,448 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:28:38,449 INFO L435 NwaCegarLoop]: 2858 mSDtfsCounter, 2803 mSDsluCounter, 5698 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2804 SdHoareTripleChecker+Valid, 8556 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:28:38,450 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2804 Valid, 8556 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:28:38,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30554 states. [2024-11-28 04:28:39,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30554 to 30554. [2024-11-28 04:28:39,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30554 states, 22448 states have (on average 1.2851478973627941) internal successors, (28849), 22862 states have internal predecessors, (28849), 6499 states have call successors, (6499), 1633 states have call predecessors, (6499), 1604 states have return successors, (6558), 6367 states have call predecessors, (6558), 6495 states have call successors, (6558) [2024-11-28 04:28:39,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30554 states to 30554 states and 41906 transitions. [2024-11-28 04:28:39,910 INFO L78 Accepts]: Start accepts. Automaton has 30554 states and 41906 transitions. Word has length 187 [2024-11-28 04:28:39,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:28:39,910 INFO L471 AbstractCegarLoop]: Abstraction has 30554 states and 41906 transitions. [2024-11-28 04:28:39,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 04:28:39,911 INFO L276 IsEmpty]: Start isEmpty. Operand 30554 states and 41906 transitions. [2024-11-28 04:28:39,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-28 04:28:39,915 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:28:39,916 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 5, 4, 4, 4, 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] [2024-11-28 04:28:39,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:28:39,916 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 04:28:39,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:39,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1068805734, now seen corresponding path program 1 times [2024-11-28 04:28:39,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:28:39,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862563364] [2024-11-28 04:28:39,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:39,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:28:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:28:45,209 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-28 04:28:45,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:28:45,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862563364] [2024-11-28 04:28:45,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862563364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:28:45,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:28:45,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:28:45,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850843943] [2024-11-28 04:28:45,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:28:45,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:28:45,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:28:45,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:28:45,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:28:45,212 INFO L87 Difference]: Start difference. First operand 30554 states and 41906 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 04:28:46,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:28:46,390 INFO L93 Difference]: Finished difference Result 30560 states and 41911 transitions. [2024-11-28 04:28:46,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:28:46,391 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (23), 3 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 192 [2024-11-28 04:28:46,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:28:46,500 INFO L225 Difference]: With dead ends: 30560 [2024-11-28 04:28:46,500 INFO L226 Difference]: Without dead ends: 30558 [2024-11-28 04:28:46,512 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:28:46,513 INFO L435 NwaCegarLoop]: 2858 mSDtfsCounter, 2802 mSDsluCounter, 5698 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2803 SdHoareTripleChecker+Valid, 8556 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:28:46,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2803 Valid, 8556 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:28:46,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30558 states. [2024-11-28 04:28:47,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30558 to 30558. [2024-11-28 04:28:47,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30558 states, 22451 states have (on average 1.2851097946639347) internal successors, (28852), 22865 states have internal predecessors, (28852), 6499 states have call successors, (6499), 1634 states have call predecessors, (6499), 1605 states have return successors, (6558), 6367 states have call predecessors, (6558), 6495 states have call successors, (6558) [2024-11-28 04:28:47,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30558 states to 30558 states and 41909 transitions. [2024-11-28 04:28:47,912 INFO L78 Accepts]: Start accepts. Automaton has 30558 states and 41909 transitions. Word has length 192 [2024-11-28 04:28:47,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:28:47,913 INFO L471 AbstractCegarLoop]: Abstraction has 30558 states and 41909 transitions. [2024-11-28 04:28:47,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 04:28:47,913 INFO L276 IsEmpty]: Start isEmpty. Operand 30558 states and 41909 transitions. [2024-11-28 04:28:47,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-28 04:28:47,918 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:28:47,919 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 6, 5, 5, 4, 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, 1] [2024-11-28 04:28:47,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 04:28:47,920 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 04:28:47,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:47,921 INFO L85 PathProgramCache]: Analyzing trace with hash 237959173, now seen corresponding path program 1 times [2024-11-28 04:28:47,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:28:47,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32780839] [2024-11-28 04:28:47,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:47,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:28:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:28:53,135 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2024-11-28 04:28:53,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:28:53,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32780839] [2024-11-28 04:28:53,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32780839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:28:53,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:28:53,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:28:53,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408003966] [2024-11-28 04:28:53,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:28:53,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:28:53,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:28:53,137 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:28:53,137 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:28:53,137 INFO L87 Difference]: Start difference. First operand 30558 states and 41909 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 04:28:54,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:28:54,490 INFO L93 Difference]: Finished difference Result 30564 states and 41914 transitions. [2024-11-28 04:28:54,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:28:54,490 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (24), 3 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 197 [2024-11-28 04:28:54,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:28:54,625 INFO L225 Difference]: With dead ends: 30564 [2024-11-28 04:28:54,625 INFO L226 Difference]: Without dead ends: 30562 [2024-11-28 04:28:54,638 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:28:54,639 INFO L435 NwaCegarLoop]: 2858 mSDtfsCounter, 2801 mSDsluCounter, 5698 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2802 SdHoareTripleChecker+Valid, 8556 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:28:54,639 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2802 Valid, 8556 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:28:54,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30562 states. [2024-11-28 04:28:56,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30562 to 30562. [2024-11-28 04:28:56,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30562 states, 22454 states have (on average 1.285071702146611) internal successors, (28855), 22868 states have internal predecessors, (28855), 6499 states have call successors, (6499), 1635 states have call predecessors, (6499), 1606 states have return successors, (6558), 6367 states have call predecessors, (6558), 6495 states have call successors, (6558) [2024-11-28 04:28:56,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30562 states to 30562 states and 41912 transitions. [2024-11-28 04:28:56,122 INFO L78 Accepts]: Start accepts. Automaton has 30562 states and 41912 transitions. Word has length 197 [2024-11-28 04:28:56,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:28:56,122 INFO L471 AbstractCegarLoop]: Abstraction has 30562 states and 41912 transitions. [2024-11-28 04:28:56,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 04:28:56,122 INFO L276 IsEmpty]: Start isEmpty. Operand 30562 states and 41912 transitions. [2024-11-28 04:28:56,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-28 04:28:56,128 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:28:56,128 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 7, 6, 6, 4, 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, 1, 1, 1] [2024-11-28 04:28:56,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 04:28:56,128 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 04:28:56,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:56,129 INFO L85 PathProgramCache]: Analyzing trace with hash -584453754, now seen corresponding path program 1 times [2024-11-28 04:28:56,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:28:56,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126943139] [2024-11-28 04:28:56,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:56,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:29:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:29:01,544 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2024-11-28 04:29:01,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:29:01,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126943139] [2024-11-28 04:29:01,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126943139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:29:01,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:29:01,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:29:01,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265199251] [2024-11-28 04:29:01,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:29:01,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:29:01,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:29:01,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:29:01,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:29:01,547 INFO L87 Difference]: Start difference. First operand 30562 states and 41912 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 04:29:02,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:29:02,956 INFO L93 Difference]: Finished difference Result 36880 states and 50143 transitions. [2024-11-28 04:29:02,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:29:02,957 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (25), 3 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 202 [2024-11-28 04:29:02,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:29:03,118 INFO L225 Difference]: With dead ends: 36880 [2024-11-28 04:29:03,118 INFO L226 Difference]: Without dead ends: 36878 [2024-11-28 04:29:03,148 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:29:03,148 INFO L435 NwaCegarLoop]: 3157 mSDtfsCounter, 2161 mSDsluCounter, 7588 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2162 SdHoareTripleChecker+Valid, 10745 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:29:03,149 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2162 Valid, 10745 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:29:03,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36878 states. [2024-11-28 04:29:04,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36878 to 36878. [2024-11-28 04:29:04,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36878 states, 27035 states have (on average 1.281375994081746) internal successors, (34642), 27482 states have internal predecessors, (34642), 7720 states have call successors, (7720), 2149 states have call predecessors, (7720), 2120 states have return successors, (7779), 7588 states have call predecessors, (7779), 7716 states have call successors, (7779) [2024-11-28 04:29:04,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36878 states to 36878 states and 50141 transitions. [2024-11-28 04:29:04,832 INFO L78 Accepts]: Start accepts. Automaton has 36878 states and 50141 transitions. Word has length 202 [2024-11-28 04:29:04,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:29:04,832 INFO L471 AbstractCegarLoop]: Abstraction has 36878 states and 50141 transitions. [2024-11-28 04:29:04,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 04:29:04,832 INFO L276 IsEmpty]: Start isEmpty. Operand 36878 states and 50141 transitions. [2024-11-28 04:29:04,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-28 04:29:04,836 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:29:04,836 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 8, 7, 7, 4, 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, 1, 1, 1, 1, 1] [2024-11-28 04:29:04,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 04:29:04,837 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 04:29:04,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:29:04,837 INFO L85 PathProgramCache]: Analyzing trace with hash 492886117, now seen corresponding path program 1 times [2024-11-28 04:29:04,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:29:04,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189906199] [2024-11-28 04:29:04,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:29:04,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms