./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-smsc-smc91c92_cs.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57c5cf7-a446-4fed-b387-54f806c02348/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57c5cf7-a446-4fed-b387-54f806c02348/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57c5cf7-a446-4fed-b387-54f806c02348/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57c5cf7-a446-4fed-b387-54f806c02348/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57c5cf7-a446-4fed-b387-54f806c02348/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57c5cf7-a446-4fed-b387-54f806c02348/bin/uautomizer-verify-qhAvR1uOyd --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 5e82a719a5cd0ec3a30cd42dbacb612fd330a6d3aa584d331bc796b2ce8b6a55 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:08:11,574 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:08:11,673 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57c5cf7-a446-4fed-b387-54f806c02348/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-13 15:08:11,685 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:08:11,686 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:08:11,723 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:08:11,723 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:08:11,724 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:08:11,724 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:08:11,725 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:08:11,725 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:08:11,726 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:08:11,726 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:08:11,726 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:08:11,728 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:08:11,728 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:08:11,728 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:08:11,728 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:08:11,728 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:08:11,728 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:08:11,728 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:08:11,728 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:08:11,729 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:08:11,729 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:08:11,729 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:08:11,729 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:08:11,729 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:08:11,729 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:08:11,729 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:08:11,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:08:11,729 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:08:11,730 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:08:11,730 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:08:11,730 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:08:11,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:08:11,730 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:08:11,730 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:08:11,732 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:08:11,732 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:08:11,732 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_d57c5cf7-a446-4fed-b387-54f806c02348/bin/uautomizer-verify-qhAvR1uOyd 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 -> 5e82a719a5cd0ec3a30cd42dbacb612fd330a6d3aa584d331bc796b2ce8b6a55 [2024-11-13 15:08:12,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:08:12,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:08:12,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:08:12,061 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:08:12,061 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:08:12,062 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57c5cf7-a446-4fed-b387-54f806c02348/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i Unable to find full path for "g++" [2024-11-13 15:08:14,009 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:08:14,767 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:08:14,767 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57c5cf7-a446-4fed-b387-54f806c02348/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i [2024-11-13 15:08:14,822 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57c5cf7-a446-4fed-b387-54f806c02348/bin/uautomizer-verify-qhAvR1uOyd/data/d722d5d09/c80af54ee66343aea93560261e1fb20f/FLAG67b48794a [2024-11-13 15:08:14,845 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57c5cf7-a446-4fed-b387-54f806c02348/bin/uautomizer-verify-qhAvR1uOyd/data/d722d5d09/c80af54ee66343aea93560261e1fb20f [2024-11-13 15:08:14,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:08:14,850 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:08:14,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:08:14,852 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:08:14,857 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:08:14,858 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:08:14" (1/1) ... [2024-11-13 15:08:14,861 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fbfe6b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:14, skipping insertion in model container [2024-11-13 15:08:14,861 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:08:14" (1/1) ... [2024-11-13 15:08:15,038 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:08:17,839 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_d57c5cf7-a446-4fed-b387-54f806c02348/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i[350019,350032] [2024-11-13 15:08:17,845 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_d57c5cf7-a446-4fed-b387-54f806c02348/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i[350188,350201] [2024-11-13 15:08:17,846 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_d57c5cf7-a446-4fed-b387-54f806c02348/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i[350355,350368] [2024-11-13 15:08:17,846 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_d57c5cf7-a446-4fed-b387-54f806c02348/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i[350523,350536] [2024-11-13 15:08:17,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:08:17,942 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:08:18,087 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"); [5767] [2024-11-13 15:08:18,089 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)); [5774] [2024-11-13 15:08:18,089 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5781] [2024-11-13 15:08:18,095 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)); [5822-5823] [2024-11-13 15:08:18,095 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"); [5828-5830] [2024-11-13 15:08:18,096 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" (809), "i" (12UL)); [5855-5856] [2024-11-13 15:08:18,096 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" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [5861-5863] [2024-11-13 15:08:18,097 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" (814), "i" (12UL)); [5887-5888] [2024-11-13 15:08:18,098 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" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5893-5895] [2024-11-13 15:08:18,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [6005] [2024-11-13 15:08:18,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [6012] [2024-11-13 15:08:18,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [6031] [2024-11-13 15:08:18,104 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [6039] [2024-11-13 15:08:18,104 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [6046] [2024-11-13 15:08:18,104 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [6054] [2024-11-13 15:08:18,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; outsw": "+S" (addr), "+c" (count): "d" (port)); [6061] [2024-11-13 15:08:18,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; insw": "+D" (addr), "+c" (count): "d" (port)); [6068] [2024-11-13 15:08:18,440 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_d57c5cf7-a446-4fed-b387-54f806c02348/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i[350019,350032] [2024-11-13 15:08:18,440 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_d57c5cf7-a446-4fed-b387-54f806c02348/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i[350188,350201] [2024-11-13 15:08:18,441 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_d57c5cf7-a446-4fed-b387-54f806c02348/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i[350355,350368] [2024-11-13 15:08:18,441 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_d57c5cf7-a446-4fed-b387-54f806c02348/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i[350523,350536] [2024-11-13 15:08:18,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:08:18,805 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:08:18,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:18 WrapperNode [2024-11-13 15:08:18,806 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:08:18,808 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:08:18,808 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:08:18,808 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:08:18,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:18" (1/1) ... [2024-11-13 15:08:18,942 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:18" (1/1) ... [2024-11-13 15:08:19,250 INFO L138 Inliner]: procedures = 409, calls = 2657, calls flagged for inlining = 199, calls inlined = 173, statements flattened = 5875 [2024-11-13 15:08:19,251 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:08:19,252 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:08:19,252 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:08:19,252 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:08:19,262 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:18" (1/1) ... [2024-11-13 15:08:19,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:18" (1/1) ... [2024-11-13 15:08:19,302 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:18" (1/1) ... [2024-11-13 15:08:19,960 INFO L175 MemorySlicer]: Split 1300 memory accesses to 23 slices as follows [4, 31, 6, 49, 14, 964, 1, 2, 25, 5, 2, 5, 98, 6, 5, 3, 5, 5, 52, 6, 8, 3, 1]. 74 percent of accesses are in the largest equivalence class. The 192 initializations are split as follows [0, 31, 6, 0, 14, 77, 1, 2, 25, 3, 0, 0, 0, 6, 0, 0, 5, 5, 0, 6, 8, 3, 0]. The 795 writes are split as follows [0, 0, 0, 42, 0, 614, 0, 0, 0, 0, 0, 3, 84, 0, 4, 0, 0, 0, 48, 0, 0, 0, 0]. [2024-11-13 15:08:19,961 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:18" (1/1) ... [2024-11-13 15:08:19,961 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:18" (1/1) ... [2024-11-13 15:08:20,149 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:18" (1/1) ... [2024-11-13 15:08:20,195 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:18" (1/1) ... [2024-11-13 15:08:20,264 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:18" (1/1) ... [2024-11-13 15:08:20,312 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:18" (1/1) ... [2024-11-13 15:08:20,379 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:08:20,380 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:08:20,381 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:08:20,381 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:08:20,382 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:18" (1/1) ... [2024-11-13 15:08:20,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:08:20,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57c5cf7-a446-4fed-b387-54f806c02348/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:08:20,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57c5cf7-a446-4fed-b387-54f806c02348/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:08:20,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57c5cf7-a446-4fed-b387-54f806c02348/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:08:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2024-11-13 15:08:20,479 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2024-11-13 15:08:20,480 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_detach [2024-11-13 15:08:20,480 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_detach [2024-11-13 15:08:20,480 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2024-11-13 15:08:20,481 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2024-11-13 15:08:20,481 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-13 15:08:20,481 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-13 15:08:20,481 INFO L130 BoogieDeclarations]: Found specification of procedure mhz_3288_power [2024-11-13 15:08:20,482 INFO L138 BoogieDeclarations]: Found implementation of procedure mhz_3288_power [2024-11-13 15:08:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-13 15:08:20,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-13 15:08:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_io [2024-11-13 15:08:20,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_io [2024-11-13 15:08:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_70 [2024-11-13 15:08:20,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_70 [2024-11-13 15:08:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-13 15:08:20,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-13 15:08:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-11-13 15:08:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-11-13 15:08:20,484 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2024-11-13 15:08:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2024-11-13 15:08:20,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-13 15:08:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-13 15:08:20,484 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-13 15:08:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-13 15:08:20,484 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_resume [2024-11-13 15:08:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_resume [2024-11-13 15:08:20,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-13 15:08:20,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-13 15:08:20,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 15:08:20,486 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_suspend [2024-11-13 15:08:20,487 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_suspend [2024-11-13 15:08:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-13 15:08:20,487 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-13 15:08:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-13 15:08:20,487 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-13 15:08:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2024-11-13 15:08:20,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2024-11-13 15:08:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-13 15:08:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-13 15:08:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-13 15:08:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-13 15:08:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-13 15:08:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-13 15:08:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-13 15:08:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-13 15:08:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-13 15:08:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-13 15:08:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-13 15:08:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-13 15:08:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-13 15:08:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-13 15:08:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-13 15:08:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-13 15:08:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-13 15:08:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-13 15:08:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-13 15:08:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-13 15:08:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-13 15:08:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-13 15:08:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-13 15:08:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-13 15:08:20,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-13 15:08:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 15:08:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 15:08:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 15:08:20,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 15:08:20,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-13 15:08:20,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-13 15:08:20,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-13 15:08:20,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-13 15:08:20,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-13 15:08:20,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-13 15:08:20,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-13 15:08:20,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-13 15:08:20,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-13 15:08:20,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-13 15:08:20,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-13 15:08:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-13 15:08:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-13 15:08:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-13 15:08:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-13 15:08:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-13 15:08:20,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-13 15:08:20,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-13 15:08:20,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-13 15:08:20,493 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2024-11-13 15:08:20,493 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2024-11-13 15:08:20,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-13 15:08:20,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-13 15:08:20,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-13 15:08:20,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-13 15:08:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure cvt_ascii_address [2024-11-13 15:08:20,494 INFO L138 BoogieDeclarations]: Found implementation of procedure cvt_ascii_address [2024-11-13 15:08:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-13 15:08:20,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-13 15:08:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-13 15:08:20,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-13 15:08:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 15:08:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-13 15:08:20,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-13 15:08:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-13 15:08:20,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-13 15:08:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_smc91c92_cs_driver_exit_13_2 [2024-11-13 15:08:20,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_smc91c92_cs_driver_exit_13_2 [2024-11-13 15:08:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:08:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-13 15:08:20,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-13 15:08:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-13 15:08:20,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-13 15:08:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-13 15:08:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-13 15:08:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-13 15:08:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-13 15:08:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-13 15:08:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-13 15:08:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-13 15:08:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-13 15:08:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-13 15:08:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-13 15:08:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-13 15:08:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-13 15:08:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-13 15:08:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-13 15:08:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-13 15:08:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-13 15:08:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-13 15:08:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-13 15:08:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-13 15:08:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-13 15:08:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-13 15:08:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-13 15:08:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-13 15:08:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-13 15:08:20,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-13 15:08:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure smc_tx_timeout [2024-11-13 15:08:20,499 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_tx_timeout [2024-11-13 15:08:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-13 15:08:20,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-13 15:08:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure smc_reset [2024-11-13 15:08:20,500 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_reset [2024-11-13 15:08:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2024-11-13 15:08:20,500 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2024-11-13 15:08:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2024-11-13 15:08:20,500 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2024-11-13 15:08:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:08:20,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:08:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-13 15:08:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-13 15:08:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-13 15:08:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-13 15:08:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-13 15:08:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-13 15:08:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-13 15:08:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-13 15:08:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-13 15:08:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-13 15:08:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-13 15:08:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-13 15:08:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-13 15:08:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-13 15:08:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-13 15:08:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-13 15:08:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-13 15:08:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-13 15:08:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-13 15:08:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-13 15:08:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-13 15:08:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-13 15:08:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-13 15:08:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-13 15:08:20,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-13 15:08:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure smc_hardware_send_packet [2024-11-13 15:08:20,501 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_hardware_send_packet [2024-11-13 15:08:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-13 15:08:20,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-13 15:08:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-13 15:08:20,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-13 15:08:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_smc_private [2024-11-13 15:08:20,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_smc_private [2024-11-13 15:08:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure osi_load_firmware [2024-11-13 15:08:20,505 INFO L138 BoogieDeclarations]: Found implementation of procedure osi_load_firmware [2024-11-13 15:08:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_notice [2024-11-13 15:08:20,505 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_notice [2024-11-13 15:08:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-13 15:08:20,505 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-13 15:08:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure smc_set_xcvr [2024-11-13 15:08:20,505 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_set_xcvr [2024-11-13 15:08:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-11-13 15:08:20,505 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-11-13 15:08:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 15:08:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-13 15:08:20,505 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-13 15:08:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 15:08:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 15:08:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-13 15:08:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-13 15:08:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-13 15:08:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-13 15:08:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-13 15:08:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-13 15:08:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-13 15:08:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-13 15:08:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-13 15:08:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-13 15:08:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-13 15:08:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-13 15:08:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-13 15:08:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-13 15:08:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-13 15:08:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-13 15:08:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-13 15:08:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-13 15:08:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-13 15:08:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-13 15:08:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-13 15:08:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-13 15:08:20,506 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-13 15:08:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure mot_config [2024-11-13 15:08:20,507 INFO L138 BoogieDeclarations]: Found implementation of procedure mot_config [2024-11-13 15:08:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2024-11-13 15:08:20,507 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2024-11-13 15:08:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-13 15:08:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-13 15:08:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-13 15:08:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-13 15:08:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-13 15:08:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-13 15:08:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-13 15:08:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-13 15:08:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-13 15:08:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-13 15:08:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-13 15:08:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-13 15:08:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-13 15:08:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-13 15:08:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-13 15:08:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-13 15:08:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-13 15:08:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-13 15:08:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-13 15:08:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-13 15:08:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-13 15:08:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-13 15:08:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-13 15:08:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-13 15:08:20,508 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-13 15:08:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure check_sig [2024-11-13 15:08:20,508 INFO L138 BoogieDeclarations]: Found implementation of procedure check_sig [2024-11-13 15:08:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2024-11-13 15:08:20,508 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2024-11-13 15:08:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-13 15:08:20,508 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-13 15:08:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-13 15:08:20,508 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-13 15:08:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-13 15:08:20,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-13 15:08:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-11-13 15:08:20,512 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-11-13 15:08:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2024-11-13 15:08:20,512 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2024-11-13 15:08:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-13 15:08:20,512 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-13 15:08:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-13 15:08:20,512 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-13 15:08:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-13 15:08:20,512 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-13 15:08:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 15:08:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 15:08:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 15:08:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 15:08:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-13 15:08:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-13 15:08:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-13 15:08:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-13 15:08:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-13 15:08:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-13 15:08:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-13 15:08:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-13 15:08:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-13 15:08:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-13 15:08:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-13 15:08:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-13 15:08:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-13 15:08:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-13 15:08:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-13 15:08:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-13 15:08:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-13 15:08:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-13 15:08:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-13 15:08:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_tuple [2024-11-13 15:08:20,513 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_tuple [2024-11-13 15:08:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_release [2024-11-13 15:08:20,514 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_release [2024-11-13 15:08:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-13 15:08:20,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-13 15:08:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_smc_private [2024-11-13 15:08:20,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_smc_private [2024-11-13 15:08:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_config [2024-11-13 15:08:20,514 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_config [2024-11-13 15:08:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-13 15:08:20,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-13 15:08:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure smc_interrupt [2024-11-13 15:08:20,514 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_interrupt [2024-11-13 15:08:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-13 15:08:20,514 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-13 15:08:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:08:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 15:08:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 15:08:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 15:08:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-13 15:08:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-13 15:08:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-13 15:08:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-13 15:08:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-13 15:08:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-13 15:08:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-13 15:08:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-13 15:08:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-13 15:08:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-13 15:08:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-13 15:08:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-13 15:08:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-13 15:08:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-13 15:08:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-13 15:08:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-13 15:08:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-13 15:08:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-13 15:08:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-13 15:08:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2024-11-13 15:08:20,519 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2024-11-13 15:08:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-13 15:08:20,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-13 15:08:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2024-11-13 15:08:20,520 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2024-11-13 15:08:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2024-11-13 15:08:20,520 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2024-11-13 15:08:21,651 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:08:21,654 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:08:21,855 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-13 15:08:40,720 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-13 15:08:41,542 INFO L? ?]: Removed 1905 outVars from TransFormulas that were not future-live. [2024-11-13 15:08:41,542 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:08:41,591 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:08:41,592 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:08:41,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:08:41 BoogieIcfgContainer [2024-11-13 15:08:41,592 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:08:41,595 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:08:41,595 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:08:41,600 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:08:41,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:08:14" (1/3) ... [2024-11-13 15:08:41,600 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a853028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:08:41, skipping insertion in model container [2024-11-13 15:08:41,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:18" (2/3) ... [2024-11-13 15:08:41,601 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a853028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:08:41, skipping insertion in model container [2024-11-13 15:08:41,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:08:41" (3/3) ... [2024-11-13 15:08:41,602 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i [2024-11-13 15:08:41,617 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:08:41,620 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i that has 75 procedures, 1929 locations, 1 initial locations, 1 loop locations, and 3 error locations. [2024-11-13 15:08:41,756 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:08:41,772 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;@78ad4a26, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:08:41,772 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-13 15:08:41,784 INFO L276 IsEmpty]: Start isEmpty. Operand has 1927 states, 1348 states have (on average 1.32566765578635) internal successors, (1787), 1366 states have internal predecessors, (1787), 503 states have call successors, (503), 74 states have call predecessors, (503), 73 states have return successors, (497), 495 states have call predecessors, (497), 497 states have call successors, (497) [2024-11-13 15:08:41,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-13 15:08:41,809 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:08:41,810 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:08:41,811 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)] === [2024-11-13 15:08:41,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:08:41,817 INFO L85 PathProgramCache]: Analyzing trace with hash 447766280, now seen corresponding path program 1 times [2024-11-13 15:08:41,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:08:41,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727475955] [2024-11-13 15:08:41,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:08:41,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:08,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:09:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:08,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:09:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:08,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-13 15:09:08,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:08,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:09:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:08,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 15:09:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:08,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:09:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:08,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-13 15:09:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:08,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:09:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:08,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 15:09:08,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:08,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:09:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:08,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-13 15:09:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:08,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:09:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:08,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 15:09:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:08,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:09:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:08,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-13 15:09:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:08,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:09:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:08,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 15:09:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:08,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:09:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:08,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 15:09:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:08,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:09:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:08,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 15:09:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:08,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:09:08,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:08,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 15:09:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:08,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:09:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:08,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 15:09:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:08,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 15:09:08,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:08,756 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-13 15:09:08,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:08,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727475955] [2024-11-13 15:09:08,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727475955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:09:08,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:09:08,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:09:08,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567002448] [2024-11-13 15:09:08,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:09:08,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:09:08,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:08,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:09:08,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:09:08,790 INFO L87 Difference]: Start difference. First operand has 1927 states, 1348 states have (on average 1.32566765578635) internal successors, (1787), 1366 states have internal predecessors, (1787), 503 states have call successors, (503), 74 states have call predecessors, (503), 73 states have return successors, (497), 495 states have call predecessors, (497), 497 states have call successors, (497) Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-13 15:09:12,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:09:17,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:09:25,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:09:43,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:43,869 INFO L93 Difference]: Finished difference Result 5655 states and 8319 transitions. [2024-11-13 15:09:43,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:09:43,872 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 160 [2024-11-13 15:09:43,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:43,920 INFO L225 Difference]: With dead ends: 5655 [2024-11-13 15:09:43,920 INFO L226 Difference]: Without dead ends: 3747 [2024-11-13 15:09:43,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:09:43,940 INFO L432 NwaCegarLoop]: 2200 mSDtfsCounter, 3073 mSDsluCounter, 3065 mSDsCounter, 0 mSdLazyCounter, 1948 mSolverCounterSat, 1143 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3518 SdHoareTripleChecker+Valid, 5265 SdHoareTripleChecker+Invalid, 3093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1143 IncrementalHoareTripleChecker+Valid, 1948 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:09:43,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3518 Valid, 5265 Invalid, 3093 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1143 Valid, 1948 Invalid, 2 Unknown, 0 Unchecked, 34.4s Time] [2024-11-13 15:09:43,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3747 states. [2024-11-13 15:09:44,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3747 to 3717. [2024-11-13 15:09:44,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3717 states, 2622 states have (on average 1.3062547673531655) internal successors, (3425), 2657 states have internal predecessors, (3425), 950 states have call successors, (950), 143 states have call predecessors, (950), 142 states have return successors, (946), 942 states have call predecessors, (946), 946 states have call successors, (946) [2024-11-13 15:09:44,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3717 states to 3717 states and 5321 transitions. [2024-11-13 15:09:44,383 INFO L78 Accepts]: Start accepts. Automaton has 3717 states and 5321 transitions. Word has length 160 [2024-11-13 15:09:44,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:44,385 INFO L471 AbstractCegarLoop]: Abstraction has 3717 states and 5321 transitions. [2024-11-13 15:09:44,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-13 15:09:44,387 INFO L276 IsEmpty]: Start isEmpty. Operand 3717 states and 5321 transitions. [2024-11-13 15:09:44,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-13 15:09:44,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:44,399 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:09:44,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:09:44,400 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)] === [2024-11-13 15:09:44,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:44,401 INFO L85 PathProgramCache]: Analyzing trace with hash 762465604, now seen corresponding path program 1 times [2024-11-13 15:09:44,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:44,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932515100] [2024-11-13 15:09:44,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:44,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:10:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:09,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:10:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:09,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:10:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:09,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-13 15:10:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:09,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:10:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:09,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 15:10:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:09,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:10:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:09,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-13 15:10:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:09,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:10:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:09,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 15:10:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:09,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:10:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:09,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-13 15:10:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:09,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:10:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:09,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 15:10:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:09,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:10:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:09,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-13 15:10:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:09,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:10:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:09,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 15:10:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:09,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:10:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:09,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 15:10:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:09,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:10:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:09,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 15:10:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:09,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:10:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:09,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 15:10:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:09,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:10:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:09,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 15:10:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:09,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 15:10:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:09,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-13 15:10:09,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:09,470 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-13 15:10:09,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:10:09,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932515100] [2024-11-13 15:10:09,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932515100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:10:09,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:10:09,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:10:09,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627591337] [2024-11-13 15:10:09,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:10:09,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:10:09,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:10:09,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:10:09,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:10:09,476 INFO L87 Difference]: Start difference. First operand 3717 states and 5321 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-13 15:10:13,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:10:18,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:10:46,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:10:46,563 INFO L93 Difference]: Finished difference Result 10467 states and 15007 transitions. [2024-11-13 15:10:46,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:10:46,564 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 170 [2024-11-13 15:10:46,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:10:46,622 INFO L225 Difference]: With dead ends: 10467 [2024-11-13 15:10:46,622 INFO L226 Difference]: Without dead ends: 6779 [2024-11-13 15:10:46,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:10:46,647 INFO L432 NwaCegarLoop]: 2191 mSDtfsCounter, 2661 mSDsluCounter, 3030 mSDsCounter, 0 mSdLazyCounter, 1964 mSolverCounterSat, 1097 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3041 SdHoareTripleChecker+Valid, 5221 SdHoareTripleChecker+Invalid, 3063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1097 IncrementalHoareTripleChecker+Valid, 1964 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:10:46,649 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3041 Valid, 5221 Invalid, 3063 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1097 Valid, 1964 Invalid, 2 Unknown, 0 Unchecked, 36.4s Time] [2024-11-13 15:10:46,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6779 states. [2024-11-13 15:10:47,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6779 to 6698. [2024-11-13 15:10:47,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6698 states, 4725 states have (on average 1.3075132275132275) internal successors, (6178), 4793 states have internal predecessors, (6178), 1699 states have call successors, (1699), 276 states have call predecessors, (1699), 271 states have return successors, (1695), 1676 states have call predecessors, (1695), 1695 states have call successors, (1695) [2024-11-13 15:10:47,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6698 states to 6698 states and 9572 transitions. [2024-11-13 15:10:47,181 INFO L78 Accepts]: Start accepts. Automaton has 6698 states and 9572 transitions. Word has length 170 [2024-11-13 15:10:47,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:10:47,183 INFO L471 AbstractCegarLoop]: Abstraction has 6698 states and 9572 transitions. [2024-11-13 15:10:47,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-13 15:10:47,183 INFO L276 IsEmpty]: Start isEmpty. Operand 6698 states and 9572 transitions. [2024-11-13 15:10:47,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-13 15:10:47,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:10:47,192 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:10:47,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:10:47,193 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)] === [2024-11-13 15:10:47,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:10:47,193 INFO L85 PathProgramCache]: Analyzing trace with hash -748728430, now seen corresponding path program 1 times [2024-11-13 15:10:47,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:10:47,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915221552] [2024-11-13 15:10:47,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:10:47,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:11:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:13,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:11:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:13,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:11:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:13,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-13 15:11:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:13,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:11:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:13,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 15:11:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:13,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:11:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:13,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-13 15:11:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:13,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:11:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:13,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 15:11:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:13,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:11:13,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:13,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-13 15:11:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:13,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:11:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:13,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 15:11:13,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:13,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:11:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:13,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-13 15:11:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:13,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:11:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:13,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 15:11:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:13,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:11:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:13,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 15:11:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:13,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:11:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:13,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 15:11:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:13,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:11:13,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:13,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 15:11:13,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:13,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:11:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:13,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 15:11:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:13,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 15:11:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:13,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-13 15:11:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:13,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-13 15:11:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:13,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:11:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:13,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-13 15:11:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:13,420 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-13 15:11:13,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:11:13,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915221552] [2024-11-13 15:11:13,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915221552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:11:13,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:11:13,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:11:13,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585478510] [2024-11-13 15:11:13,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:11:13,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:11:13,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:11:13,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:11:13,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:11:13,424 INFO L87 Difference]: Start difference. First operand 6698 states and 9572 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-13 15:11:17,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:11:21,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:11:28,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:11:37,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:11:37,498 INFO L93 Difference]: Finished difference Result 13378 states and 19138 transitions. [2024-11-13 15:11:37,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:11:37,498 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 187 [2024-11-13 15:11:37,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:11:37,543 INFO L225 Difference]: With dead ends: 13378 [2024-11-13 15:11:37,543 INFO L226 Difference]: Without dead ends: 6709 [2024-11-13 15:11:37,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:11:37,570 INFO L432 NwaCegarLoop]: 2167 mSDtfsCounter, 2583 mSDsluCounter, 1302 mSDsCounter, 0 mSdLazyCounter, 1013 mSolverCounterSat, 778 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2937 SdHoareTripleChecker+Valid, 3469 SdHoareTripleChecker+Invalid, 1793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 778 IncrementalHoareTripleChecker+Valid, 1013 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:11:37,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2937 Valid, 3469 Invalid, 1793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [778 Valid, 1013 Invalid, 2 Unknown, 0 Unchecked, 23.6s Time] [2024-11-13 15:11:37,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6709 states. [2024-11-13 15:11:37,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6709 to 6655. [2024-11-13 15:11:38,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6655 states, 4702 states have (on average 1.3049766056997023) internal successors, (6136), 4770 states have internal predecessors, (6136), 1675 states have call successors, (1675), 280 states have call predecessors, (1675), 275 states have return successors, (1671), 1652 states have call predecessors, (1671), 1671 states have call successors, (1671) [2024-11-13 15:11:38,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6655 states to 6655 states and 9482 transitions. [2024-11-13 15:11:38,035 INFO L78 Accepts]: Start accepts. Automaton has 6655 states and 9482 transitions. Word has length 187 [2024-11-13 15:11:38,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:11:38,035 INFO L471 AbstractCegarLoop]: Abstraction has 6655 states and 9482 transitions. [2024-11-13 15:11:38,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-13 15:11:38,036 INFO L276 IsEmpty]: Start isEmpty. Operand 6655 states and 9482 transitions. [2024-11-13 15:11:38,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-13 15:11:38,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:11:38,039 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:11:38,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:11:38,039 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)] === [2024-11-13 15:11:38,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:11:38,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1279996132, now seen corresponding path program 1 times [2024-11-13 15:11:38,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:11:38,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023589830] [2024-11-13 15:11:38,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:11:38,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:12:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:12:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-13 15:12:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:12:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 15:12:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:12:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-13 15:12:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:12:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 15:12:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:12:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-13 15:12:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:12:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 15:12:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:12:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-13 15:12:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:12:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 15:12:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:12:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 15:12:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:12:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 15:12:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:12:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 15:12:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:12:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 15:12:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 15:12:02,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 15:12:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-13 15:12:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:12:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-13 15:12:02,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,820 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-13 15:12:02,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:02,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023589830] [2024-11-13 15:12:02,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023589830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:02,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:12:02,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:12:02,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665829215] [2024-11-13 15:12:02,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:02,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:12:02,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:02,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:12:02,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:12:02,822 INFO L87 Difference]: Start difference. First operand 6655 states and 9482 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-13 15:12:06,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:12:11,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:12:24,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:24,667 INFO L93 Difference]: Finished difference Result 11940 states and 16892 transitions. [2024-11-13 15:12:24,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:12:24,668 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 3 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 186 [2024-11-13 15:12:24,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:24,698 INFO L225 Difference]: With dead ends: 11940 [2024-11-13 15:12:24,698 INFO L226 Difference]: Without dead ends: 5335 [2024-11-13 15:12:24,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:12:24,724 INFO L432 NwaCegarLoop]: 1691 mSDtfsCounter, 2183 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 687 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2453 SdHoareTripleChecker+Valid, 2696 SdHoareTripleChecker+Invalid, 1603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 687 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:24,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2453 Valid, 2696 Invalid, 1603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [687 Valid, 914 Invalid, 2 Unknown, 0 Unchecked, 21.4s Time] [2024-11-13 15:12:24,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5335 states. [2024-11-13 15:12:24,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5335 to 5281. [2024-11-13 15:12:24,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5281 states, 3734 states have (on average 1.2828066416711301) internal successors, (4790), 3784 states have internal predecessors, (4790), 1285 states have call successors, (1285), 264 states have call predecessors, (1285), 259 states have return successors, (1281), 1262 states have call predecessors, (1281), 1281 states have call successors, (1281) [2024-11-13 15:12:25,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5281 states to 5281 states and 7356 transitions. [2024-11-13 15:12:25,023 INFO L78 Accepts]: Start accepts. Automaton has 5281 states and 7356 transitions. Word has length 186 [2024-11-13 15:12:25,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:25,023 INFO L471 AbstractCegarLoop]: Abstraction has 5281 states and 7356 transitions. [2024-11-13 15:12:25,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-13 15:12:25,024 INFO L276 IsEmpty]: Start isEmpty. Operand 5281 states and 7356 transitions. [2024-11-13 15:12:25,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-13 15:12:25,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:25,029 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 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] [2024-11-13 15:12:25,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:12:25,029 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)] === [2024-11-13 15:12:25,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:25,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1268797, now seen corresponding path program 1 times [2024-11-13 15:12:25,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:25,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032709682] [2024-11-13 15:12:25,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:25,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:52,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:12:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:52,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:12:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:52,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-13 15:12:52,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:52,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:12:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:53,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 15:12:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:53,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:12:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:53,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-13 15:12:53,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:53,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:12:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:53,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 15:12:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:53,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:12:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:53,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-13 15:12:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:53,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:12:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:53,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 15:12:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:53,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:12:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:53,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-13 15:12:53,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:53,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:12:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:53,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 15:12:53,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:53,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:12:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:53,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 15:12:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:53,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:12:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:53,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 15:12:53,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:53,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:12:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:53,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 15:12:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:53,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:12:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:53,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 15:12:53,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:53,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-13 15:12:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:53,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-13 15:12:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:53,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 15:12:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:53,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-13 15:12:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:53,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:12:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:53,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-13 15:12:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:53,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-13 15:12:53,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:53,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-13 15:12:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:53,357 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 790 trivial. 0 not checked. [2024-11-13 15:12:53,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:53,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032709682] [2024-11-13 15:12:53,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032709682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:53,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:12:53,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:12:53,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109388945] [2024-11-13 15:12:53,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:53,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:12:53,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:53,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:12:53,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:12:53,360 INFO L87 Difference]: Start difference. First operand 5281 states and 7356 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-13 15:12:57,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:13:09,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:13:32,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:13:32,105 INFO L93 Difference]: Finished difference Result 5341 states and 7462 transitions. [2024-11-13 15:13:32,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:13:32,105 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 216 [2024-11-13 15:13:32,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:13:32,140 INFO L225 Difference]: With dead ends: 5341 [2024-11-13 15:13:32,140 INFO L226 Difference]: Without dead ends: 5339 [2024-11-13 15:13:32,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:13:32,144 INFO L432 NwaCegarLoop]: 1682 mSDtfsCounter, 2183 mSDsluCounter, 3795 mSDsCounter, 0 mSdLazyCounter, 2496 mSolverCounterSat, 685 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2446 SdHoareTripleChecker+Valid, 5477 SdHoareTripleChecker+Invalid, 3182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 685 IncrementalHoareTripleChecker+Valid, 2496 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:13:32,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2446 Valid, 5477 Invalid, 3182 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [685 Valid, 2496 Invalid, 1 Unknown, 0 Unchecked, 37.5s Time] [2024-11-13 15:13:32,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5339 states. [2024-11-13 15:13:32,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5339 to 5285. [2024-11-13 15:13:32,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5285 states, 3737 states have (on average 1.2825796093122825) internal successors, (4793), 3787 states have internal predecessors, (4793), 1285 states have call successors, (1285), 265 states have call predecessors, (1285), 260 states have return successors, (1281), 1262 states have call predecessors, (1281), 1281 states have call successors, (1281) [2024-11-13 15:13:32,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5285 states to 5285 states and 7359 transitions. [2024-11-13 15:13:32,466 INFO L78 Accepts]: Start accepts. Automaton has 5285 states and 7359 transitions. Word has length 216 [2024-11-13 15:13:32,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:13:32,467 INFO L471 AbstractCegarLoop]: Abstraction has 5285 states and 7359 transitions. [2024-11-13 15:13:32,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-13 15:13:32,468 INFO L276 IsEmpty]: Start isEmpty. Operand 5285 states and 7359 transitions. [2024-11-13 15:13:32,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-13 15:13:32,473 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:13:32,473 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:13:32,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 15:13:32,473 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)] === [2024-11-13 15:13:32,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:13:32,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1749617559, now seen corresponding path program 1 times [2024-11-13 15:13:32,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:13:32,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675109540] [2024-11-13 15:13:32,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:13:32,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:13:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:13:59,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:13:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:13:59,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:13:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:13:59,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-13 15:13:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:13:59,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:13:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 15:14:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:14:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-13 15:14:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:14:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 15:14:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:14:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-13 15:14:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:14:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 15:14:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:14:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-13 15:14:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:14:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 15:14:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:14:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 15:14:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:14:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 15:14:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:14:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 15:14:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:14:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 15:14:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-13 15:14:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-13 15:14:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 15:14:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-13 15:14:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:14:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-13 15:14:00,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-13 15:14:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-13 15:14:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-13 15:14:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,251 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 790 trivial. 0 not checked. [2024-11-13 15:14:00,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:14:00,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675109540] [2024-11-13 15:14:00,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675109540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:14:00,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:14:00,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:14:00,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862385617] [2024-11-13 15:14:00,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:14:00,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:14:00,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:14:00,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:14:00,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:14:00,254 INFO L87 Difference]: Start difference. First operand 5285 states and 7359 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-13 15:14:04,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:14:36,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:14:36,895 INFO L93 Difference]: Finished difference Result 5345 states and 7465 transitions. [2024-11-13 15:14:36,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:14:36,895 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 221 [2024-11-13 15:14:36,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:14:36,926 INFO L225 Difference]: With dead ends: 5345 [2024-11-13 15:14:36,926 INFO L226 Difference]: Without dead ends: 5343 [2024-11-13 15:14:36,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:14:36,930 INFO L432 NwaCegarLoop]: 1682 mSDtfsCounter, 2177 mSDsluCounter, 3795 mSDsCounter, 0 mSdLazyCounter, 2501 mSolverCounterSat, 684 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2440 SdHoareTripleChecker+Valid, 5477 SdHoareTripleChecker+Invalid, 3186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 684 IncrementalHoareTripleChecker+Valid, 2501 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:14:36,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2440 Valid, 5477 Invalid, 3186 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [684 Valid, 2501 Invalid, 1 Unknown, 0 Unchecked, 35.4s Time] [2024-11-13 15:14:36,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5343 states. [2024-11-13 15:14:37,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5343 to 5289. [2024-11-13 15:14:37,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5289 states, 3740 states have (on average 1.2823529411764707) internal successors, (4796), 3790 states have internal predecessors, (4796), 1285 states have call successors, (1285), 266 states have call predecessors, (1285), 261 states have return successors, (1281), 1262 states have call predecessors, (1281), 1281 states have call successors, (1281) [2024-11-13 15:14:37,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5289 states to 5289 states and 7362 transitions. [2024-11-13 15:14:37,397 INFO L78 Accepts]: Start accepts. Automaton has 5289 states and 7362 transitions. Word has length 221 [2024-11-13 15:14:37,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:14:37,398 INFO L471 AbstractCegarLoop]: Abstraction has 5289 states and 7362 transitions. [2024-11-13 15:14:37,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-13 15:14:37,398 INFO L276 IsEmpty]: Start isEmpty. Operand 5289 states and 7362 transitions. [2024-11-13 15:14:37,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-13 15:14:37,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:14:37,405 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:14:37,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 15:14:37,405 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)] === [2024-11-13 15:14:37,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:14:37,409 INFO L85 PathProgramCache]: Analyzing trace with hash 108363779, now seen corresponding path program 1 times [2024-11-13 15:14:37,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:14:37,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698202122] [2024-11-13 15:14:37,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:14:37,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:15:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:15:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:15:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-13 15:15:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:15:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 15:15:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:15:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-13 15:15:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:15:02,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 15:15:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:15:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-13 15:15:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:15:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 15:15:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:15:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-13 15:15:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:15:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 15:15:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:15:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 15:15:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:15:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 15:15:02,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:15:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 15:15:02,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:15:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 15:15:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-13 15:15:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-13 15:15:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 15:15:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-13 15:15:02,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:15:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-13 15:15:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-13 15:15:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-13 15:15:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-13 15:15:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-13 15:15:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:02,634 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 794 trivial. 0 not checked. [2024-11-13 15:15:02,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:15:02,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698202122] [2024-11-13 15:15:02,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698202122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:15:02,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:15:02,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:15:02,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548194904] [2024-11-13 15:15:02,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:15:02,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:15:02,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:15:02,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:15:02,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:15:02,638 INFO L87 Difference]: Start difference. First operand 5289 states and 7362 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 15:15:06,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:15:40,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:15:40,519 INFO L93 Difference]: Finished difference Result 5349 states and 7468 transitions. [2024-11-13 15:15:40,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:15:40,520 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 226 [2024-11-13 15:15:40,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:15:40,548 INFO L225 Difference]: With dead ends: 5349 [2024-11-13 15:15:40,548 INFO L226 Difference]: Without dead ends: 5347 [2024-11-13 15:15:40,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:15:40,553 INFO L432 NwaCegarLoop]: 1683 mSDtfsCounter, 2176 mSDsluCounter, 3798 mSDsCounter, 0 mSdLazyCounter, 2501 mSolverCounterSat, 683 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2439 SdHoareTripleChecker+Valid, 5481 SdHoareTripleChecker+Invalid, 3185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 683 IncrementalHoareTripleChecker+Valid, 2501 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:15:40,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2439 Valid, 5481 Invalid, 3185 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [683 Valid, 2501 Invalid, 1 Unknown, 0 Unchecked, 36.5s Time] [2024-11-13 15:15:40,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5347 states. [2024-11-13 15:15:40,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5347 to 5293. [2024-11-13 15:15:40,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5293 states, 3743 states have (on average 1.2821266363879242) internal successors, (4799), 3793 states have internal predecessors, (4799), 1285 states have call successors, (1285), 267 states have call predecessors, (1285), 262 states have return successors, (1281), 1262 states have call predecessors, (1281), 1281 states have call successors, (1281) [2024-11-13 15:15:40,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5293 states to 5293 states and 7365 transitions. [2024-11-13 15:15:40,946 INFO L78 Accepts]: Start accepts. Automaton has 5293 states and 7365 transitions. Word has length 226 [2024-11-13 15:15:40,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:15:40,946 INFO L471 AbstractCegarLoop]: Abstraction has 5293 states and 7365 transitions. [2024-11-13 15:15:40,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 15:15:40,947 INFO L276 IsEmpty]: Start isEmpty. Operand 5293 states and 7365 transitions. [2024-11-13 15:15:40,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-11-13 15:15:40,952 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:15:40,952 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:15:40,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 15:15:40,953 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)] === [2024-11-13 15:15:40,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:15:40,953 INFO L85 PathProgramCache]: Analyzing trace with hash 240781015, now seen corresponding path program 1 times [2024-11-13 15:15:40,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:15:40,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100932853] [2024-11-13 15:15:40,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:15:40,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:16:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:16:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:16:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-13 15:16:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:16:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 15:16:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:16:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-13 15:16:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:16:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 15:16:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:16:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-13 15:16:07,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:16:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 15:16:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:16:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-13 15:16:07,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:16:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 15:16:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:16:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 15:16:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:16:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 15:16:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:16:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 15:16:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:16:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 15:16:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-13 15:16:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-13 15:16:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 15:16:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-13 15:16:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:16:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-13 15:16:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-13 15:16:07,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-13 15:16:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-13 15:16:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-13 15:16:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-13 15:16:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,987 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 802 trivial. 0 not checked. [2024-11-13 15:16:07,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:16:07,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100932853] [2024-11-13 15:16:07,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100932853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:16:07,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:16:07,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:16:07,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007121348] [2024-11-13 15:16:07,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:16:07,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:16:07,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:16:07,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:16:07,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:16:07,989 INFO L87 Difference]: Start difference. First operand 5293 states and 7365 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-13 15:16:12,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:16:25,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:16:46,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:16:46,552 INFO L93 Difference]: Finished difference Result 5353 states and 7471 transitions. [2024-11-13 15:16:46,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:16:46,553 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 231 [2024-11-13 15:16:46,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:16:46,585 INFO L225 Difference]: With dead ends: 5353 [2024-11-13 15:16:46,586 INFO L226 Difference]: Without dead ends: 5351 [2024-11-13 15:16:46,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:16:46,591 INFO L432 NwaCegarLoop]: 1683 mSDtfsCounter, 2176 mSDsluCounter, 3798 mSDsCounter, 0 mSdLazyCounter, 2501 mSolverCounterSat, 682 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2439 SdHoareTripleChecker+Valid, 5481 SdHoareTripleChecker+Invalid, 3184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 682 IncrementalHoareTripleChecker+Valid, 2501 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:16:46,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2439 Valid, 5481 Invalid, 3184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [682 Valid, 2501 Invalid, 1 Unknown, 0 Unchecked, 37.3s Time] [2024-11-13 15:16:46,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5351 states. [2024-11-13 15:16:46,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5351 to 5297. [2024-11-13 15:16:46,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5297 states, 3746 states have (on average 1.2819006940736786) internal successors, (4802), 3796 states have internal predecessors, (4802), 1285 states have call successors, (1285), 268 states have call predecessors, (1285), 263 states have return successors, (1281), 1262 states have call predecessors, (1281), 1281 states have call successors, (1281) [2024-11-13 15:16:46,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5297 states to 5297 states and 7368 transitions. [2024-11-13 15:16:46,975 INFO L78 Accepts]: Start accepts. Automaton has 5297 states and 7368 transitions. Word has length 231 [2024-11-13 15:16:46,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:16:46,976 INFO L471 AbstractCegarLoop]: Abstraction has 5297 states and 7368 transitions. [2024-11-13 15:16:46,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-13 15:16:46,976 INFO L276 IsEmpty]: Start isEmpty. Operand 5297 states and 7368 transitions. [2024-11-13 15:16:46,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-11-13 15:16:46,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:16:46,983 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:16:46,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 15:16:46,983 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)] === [2024-11-13 15:16:46,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:16:46,984 INFO L85 PathProgramCache]: Analyzing trace with hash 796588969, now seen corresponding path program 1 times [2024-11-13 15:16:46,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:16:46,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104747729] [2024-11-13 15:16:46,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:16:46,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:17:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:17:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:17:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-13 15:17:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:17:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 15:17:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:17:11,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-13 15:17:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:17:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 15:17:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:17:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-13 15:17:11,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:17:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 15:17:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:17:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-13 15:17:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:17:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 15:17:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:17:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 15:17:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:17:11,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 15:17:11,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:17:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 15:17:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:17:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 15:17:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-13 15:17:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-13 15:17:11,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 15:17:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-13 15:17:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:17:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-13 15:17:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-13 15:17:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-13 15:17:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-13 15:17:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:17:11,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-13 15:17:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-13 15:17:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-13 15:17:11,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-13 15:17:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:11,817 INFO L134 CoverageAnalysis]: Checked inductivity of 833 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2024-11-13 15:17:11,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:17:11,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104747729] [2024-11-13 15:17:11,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104747729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:17:11,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:17:11,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:17:11,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239746002] [2024-11-13 15:17:11,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:17:11,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:17:11,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:17:11,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:17:11,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:17:11,820 INFO L87 Difference]: Start difference. First operand 5297 states and 7368 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-13 15:17:15,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:17:20,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:17:24,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:18:34,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:18:34,621 INFO L93 Difference]: Finished difference Result 10686 states and 14892 transitions. [2024-11-13 15:18:34,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 15:18:34,622 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 247 [2024-11-13 15:18:34,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:18:34,676 INFO L225 Difference]: With dead ends: 10686 [2024-11-13 15:18:34,676 INFO L226 Difference]: Without dead ends: 7965 [2024-11-13 15:18:34,694 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:18:34,694 INFO L432 NwaCegarLoop]: 2232 mSDtfsCounter, 2765 mSDsluCounter, 3726 mSDsCounter, 0 mSdLazyCounter, 4937 mSolverCounterSat, 1340 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 78.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3044 SdHoareTripleChecker+Valid, 5958 SdHoareTripleChecker+Invalid, 6280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1340 IncrementalHoareTripleChecker+Valid, 4937 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 81.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:18:34,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3044 Valid, 5958 Invalid, 6280 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1340 Valid, 4937 Invalid, 3 Unknown, 0 Unchecked, 81.3s Time] [2024-11-13 15:18:34,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7965 states. [2024-11-13 15:18:35,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7965 to 7847. [2024-11-13 15:18:35,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7847 states, 5560 states have (on average 1.2829136690647482) internal successors, (7133), 5631 states have internal predecessors, (7133), 1895 states have call successors, (1895), 396 states have call predecessors, (1895), 389 states have return successors, (1891), 1864 states have call predecessors, (1891), 1891 states have call successors, (1891) [2024-11-13 15:18:35,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7847 states to 7847 states and 10919 transitions. [2024-11-13 15:18:35,580 INFO L78 Accepts]: Start accepts. Automaton has 7847 states and 10919 transitions. Word has length 247 [2024-11-13 15:18:35,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:18:35,584 INFO L471 AbstractCegarLoop]: Abstraction has 7847 states and 10919 transitions. [2024-11-13 15:18:35,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-13 15:18:35,585 INFO L276 IsEmpty]: Start isEmpty. Operand 7847 states and 10919 transitions. [2024-11-13 15:18:35,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-11-13 15:18:35,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:18:35,595 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:18:35,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 15:18:35,595 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)] === [2024-11-13 15:18:35,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:18:35,596 INFO L85 PathProgramCache]: Analyzing trace with hash 380602085, now seen corresponding path program 1 times [2024-11-13 15:18:35,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:18:35,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703550799] [2024-11-13 15:18:35,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:18:35,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:19:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:19:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:19:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-13 15:19:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:19:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 15:19:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:19:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-13 15:19:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:19:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 15:19:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:19:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-13 15:19:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:19:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 15:19:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:19:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-13 15:19:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:19:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 15:19:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:19:03,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 15:19:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:19:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 15:19:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:19:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 15:19:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:19:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 15:19:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-13 15:19:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-13 15:19:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 15:19:03,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-13 15:19:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:19:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-13 15:19:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-13 15:19:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:03,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-13 15:19:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:04,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-13 15:19:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:04,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:19:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:04,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-13 15:19:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:04,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-13 15:19:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:04,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-13 15:19:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:04,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-13 15:19:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:04,142 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2024-11-13 15:19:04,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:19:04,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703550799] [2024-11-13 15:19:04,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703550799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:19:04,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:19:04,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:19:04,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096571027] [2024-11-13 15:19:04,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:19:04,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:19:04,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:19:04,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:19:04,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:19:04,145 INFO L87 Difference]: Start difference. First operand 7847 states and 10919 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-13 15:19:08,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:19:12,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:19:17,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:19:47,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:20:27,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:20:27,526 INFO L93 Difference]: Finished difference Result 15776 states and 21994 transitions. [2024-11-13 15:20:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 15:20:27,526 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 248 [2024-11-13 15:20:27,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:20:27,581 INFO L225 Difference]: With dead ends: 15776 [2024-11-13 15:20:27,581 INFO L226 Difference]: Without dead ends: 10505 [2024-11-13 15:20:27,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:20:27,602 INFO L432 NwaCegarLoop]: 2233 mSDtfsCounter, 2749 mSDsluCounter, 3727 mSDsCounter, 0 mSdLazyCounter, 4938 mSolverCounterSat, 1268 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 78.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3029 SdHoareTripleChecker+Valid, 5960 SdHoareTripleChecker+Invalid, 6209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1268 IncrementalHoareTripleChecker+Valid, 4938 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 81.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:20:27,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3029 Valid, 5960 Invalid, 6209 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1268 Valid, 4938 Invalid, 3 Unknown, 0 Unchecked, 81.6s Time] [2024-11-13 15:20:27,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10505 states. [2024-11-13 15:20:28,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10505 to 10395. [2024-11-13 15:20:28,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10395 states, 7372 states have (on average 1.2835051546391754) internal successors, (9462), 7464 states have internal predecessors, (9462), 2505 states have call successors, (2505), 524 states have call predecessors, (2505), 515 states have return successors, (2501), 2466 states have call predecessors, (2501), 2501 states have call successors, (2501) [2024-11-13 15:20:28,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10395 states to 10395 states and 14468 transitions. [2024-11-13 15:20:28,599 INFO L78 Accepts]: Start accepts. Automaton has 10395 states and 14468 transitions. Word has length 248 [2024-11-13 15:20:28,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:20:28,600 INFO L471 AbstractCegarLoop]: Abstraction has 10395 states and 14468 transitions. [2024-11-13 15:20:28,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-13 15:20:28,601 INFO L276 IsEmpty]: Start isEmpty. Operand 10395 states and 14468 transitions. [2024-11-13 15:20:28,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2024-11-13 15:20:28,608 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:20:28,609 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:20:28,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 15:20:28,610 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)] === [2024-11-13 15:20:28,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:20:28,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1748614211, now seen corresponding path program 1 times [2024-11-13 15:20:28,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:20:28,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433313995] [2024-11-13 15:20:28,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:20:28,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:20:56,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:20:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:20:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-13 15:20:58,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:20:58,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 15:20:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:20:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-13 15:20:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:20:58,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 15:20:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:20:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-13 15:20:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:20:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 15:20:58,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:20:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-13 15:20:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:20:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 15:20:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:20:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 15:20:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:20:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 15:20:58,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:20:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 15:20:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:20:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 15:20:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-13 15:20:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-13 15:20:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 15:20:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-13 15:20:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:20:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-13 15:20:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-13 15:20:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-13 15:20:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-13 15:20:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-13 15:20:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-13 15:20:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-13 15:20:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:58,784 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 814 trivial. 0 not checked. [2024-11-13 15:20:58,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:20:58,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433313995] [2024-11-13 15:20:58,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433313995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:20:58,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:20:58,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:20:58,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842687120] [2024-11-13 15:20:58,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:20:58,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:20:58,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:20:58,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:20:58,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:20:58,786 INFO L87 Difference]: Start difference. First operand 10395 states and 14468 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-13 15:21:02,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:21:36,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:21:36,832 INFO L93 Difference]: Finished difference Result 10507 states and 14662 transitions. [2024-11-13 15:21:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:21:36,833 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 236 [2024-11-13 15:21:36,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:21:36,893 INFO L225 Difference]: With dead ends: 10507 [2024-11-13 15:21:36,893 INFO L226 Difference]: Without dead ends: 10505 [2024-11-13 15:21:36,903 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:21:36,904 INFO L432 NwaCegarLoop]: 1683 mSDtfsCounter, 2176 mSDsluCounter, 3798 mSDsCounter, 0 mSdLazyCounter, 2501 mSolverCounterSat, 681 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2439 SdHoareTripleChecker+Valid, 5481 SdHoareTripleChecker+Invalid, 3183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 681 IncrementalHoareTripleChecker+Valid, 2501 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:21:36,904 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2439 Valid, 5481 Invalid, 3183 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [681 Valid, 2501 Invalid, 1 Unknown, 0 Unchecked, 36.4s Time] [2024-11-13 15:21:36,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10505 states. [2024-11-13 15:21:37,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10505 to 10399. [2024-11-13 15:21:38,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10399 states, 7375 states have (on average 1.2833898305084745) internal successors, (9465), 7467 states have internal predecessors, (9465), 2505 states have call successors, (2505), 525 states have call predecessors, (2505), 516 states have return successors, (2501), 2466 states have call predecessors, (2501), 2501 states have call successors, (2501) [2024-11-13 15:21:38,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10399 states to 10399 states and 14471 transitions. [2024-11-13 15:21:38,062 INFO L78 Accepts]: Start accepts. Automaton has 10399 states and 14471 transitions. Word has length 236 [2024-11-13 15:21:38,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:21:38,063 INFO L471 AbstractCegarLoop]: Abstraction has 10399 states and 14471 transitions. [2024-11-13 15:21:38,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-13 15:21:38,063 INFO L276 IsEmpty]: Start isEmpty. Operand 10399 states and 14471 transitions. [2024-11-13 15:21:38,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-11-13 15:21:38,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:21:38,070 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:21:38,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 15:21:38,071 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)] === [2024-11-13 15:21:38,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:21:38,071 INFO L85 PathProgramCache]: Analyzing trace with hash -146038249, now seen corresponding path program 1 times [2024-11-13 15:21:38,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:21:38,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073794262] [2024-11-13 15:21:38,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:21:38,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:22:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:22:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:22:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-13 15:22:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:22:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 15:22:07,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:22:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-13 15:22:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:22:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 15:22:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:22:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-13 15:22:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:22:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 15:22:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:22:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-13 15:22:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:22:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 15:22:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:22:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 15:22:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:22:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 15:22:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:22:07,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 15:22:07,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:22:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 15:22:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-13 15:22:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-13 15:22:07,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 15:22:07,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-13 15:22:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:22:07,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-13 15:22:07,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-13 15:22:07,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-13 15:22:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-13 15:22:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-13 15:22:07,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-13 15:22:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-13 15:22:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-13 15:22:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:07,523 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 830 trivial. 0 not checked. [2024-11-13 15:22:07,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:22:07,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073794262] [2024-11-13 15:22:07,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073794262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:22:07,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:22:07,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:22:07,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190088419] [2024-11-13 15:22:07,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:22:07,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:22:07,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:22:07,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:22:07,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:22:07,526 INFO L87 Difference]: Start difference. First operand 10399 states and 14471 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-13 15:22:11,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:22:23,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []