./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-realtek-8139cp.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe4caca-af4d-43a9-a552-83c6bdc02c0f/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe4caca-af4d-43a9-a552-83c6bdc02c0f/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe4caca-af4d-43a9-a552-83c6bdc02c0f/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe4caca-af4d-43a9-a552-83c6bdc02c0f/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe4caca-af4d-43a9-a552-83c6bdc02c0f/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe4caca-af4d-43a9-a552-83c6bdc02c0f/bin/uautomizer-verify-84ZbGMXZE1 --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 bdbaacac7560cb4317515ea94aeb4341c343c1b3a78ea4f9610ad493958cf26e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:07:14,639 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:07:14,696 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe4caca-af4d-43a9-a552-83c6bdc02c0f/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 08:07:14,702 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:07:14,702 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:07:14,725 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:07:14,726 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:07:14,726 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:07:14,726 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:07:14,726 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:07:14,726 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:07:14,726 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:07:14,727 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:07:14,727 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:07:14,727 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:07:14,727 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:07:14,727 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:07:14,727 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 08:07:14,727 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:07:14,727 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:07:14,728 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:07:14,728 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:07:14,728 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:07:14,728 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:07:14,728 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:07:14,728 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:07:14,728 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:07:14,728 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:07:14,728 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:07:14,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:07:14,728 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:07:14,729 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:07:14,729 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:07:14,729 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:07:14,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:07:14,729 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:07:14,729 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:07:14,729 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:07:14,729 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:07:14,729 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 08:07:14,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 08:07:14,729 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:07:14,730 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:07:14,730 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:07:14,730 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:07:14,730 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_dfe4caca-af4d-43a9-a552-83c6bdc02c0f/bin/uautomizer-verify-84ZbGMXZE1 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 -> bdbaacac7560cb4317515ea94aeb4341c343c1b3a78ea4f9610ad493958cf26e [2024-12-02 08:07:14,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:07:14,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:07:14,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:07:14,984 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:07:14,984 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:07:14,985 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe4caca-af4d-43a9-a552-83c6bdc02c0f/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i [2024-12-02 08:07:17,637 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe4caca-af4d-43a9-a552-83c6bdc02c0f/bin/uautomizer-verify-84ZbGMXZE1/data/dfd38be15/5675d1e266ea4d2fb918947caa06f579/FLAG6c16e15e9 [2024-12-02 08:07:18,126 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:07:18,126 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe4caca-af4d-43a9-a552-83c6bdc02c0f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i [2024-12-02 08:07:18,167 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe4caca-af4d-43a9-a552-83c6bdc02c0f/bin/uautomizer-verify-84ZbGMXZE1/data/dfd38be15/5675d1e266ea4d2fb918947caa06f579/FLAG6c16e15e9 [2024-12-02 08:07:18,190 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe4caca-af4d-43a9-a552-83c6bdc02c0f/bin/uautomizer-verify-84ZbGMXZE1/data/dfd38be15/5675d1e266ea4d2fb918947caa06f579 [2024-12-02 08:07:18,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:07:18,194 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:07:18,195 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:07:18,195 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:07:18,200 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:07:18,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:07:18" (1/1) ... [2024-12-02 08:07:18,201 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2553fb1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:07:18, skipping insertion in model container [2024-12-02 08:07:18,201 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:07:18" (1/1) ... [2024-12-02 08:07:18,318 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:07:20,853 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_dfe4caca-af4d-43a9-a552-83c6bdc02c0f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387186,387199] [2024-12-02 08:07:20,856 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_dfe4caca-af4d-43a9-a552-83c6bdc02c0f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387355,387368] [2024-12-02 08:07:20,856 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_dfe4caca-af4d-43a9-a552-83c6bdc02c0f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387522,387535] [2024-12-02 08:07:20,857 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_dfe4caca-af4d-43a9-a552-83c6bdc02c0f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387690,387703] [2024-12-02 08:07:20,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:07:20,931 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:07:21,064 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"); [5823] [2024-12-02 08:07:21,066 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)); [5830] [2024-12-02 08:07:21,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5837] [2024-12-02 08:07:21,069 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)); [5884-5885] [2024-12-02 08:07:21,070 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"); [5890-5892] [2024-12-02 08:07:21,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [6028] [2024-12-02 08:07:21,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [6036] [2024-12-02 08:07:21,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6044] [2024-12-02 08:07:21,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [6051] [2024-12-02 08:07:21,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [6058] [2024-12-02 08:07:21,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6065] [2024-12-02 08:07:21,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/dynamic_queue_limits.h"), "i" (74), "i" (12UL)); [6125-6126] [2024-12-02 08:07:21,083 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [6207-6208] [2024-12-02 08:07:21,085 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [6241-6242] [2024-12-02 08:07:21,096 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 *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [6571-6572] [2024-12-02 08:07:21,096 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6578] [2024-12-02 08:07:21,100 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6736] [2024-12-02 08:07:21,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6776] [2024-12-02 08:07:21,123 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/realtek/8139cp.c"), "i" (487), "i" (12UL)); [7262-7263] [2024-12-02 08:07:21,137 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7547] [2024-12-02 08:07:21,137 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/realtek/8139cp.c"), "i" (675), "i" (12UL)); [7560-7561] [2024-12-02 08:07:21,149 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7787] [2024-12-02 08:07:21,151 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7820] [2024-12-02 08:07:21,154 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/realtek/8139cp.c"), "i" (848), "i" (12UL)); [7872-7873] [2024-12-02 08:07:21,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7889] [2024-12-02 08:07:21,156 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7891] [2024-12-02 08:07:21,157 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7906] [2024-12-02 08:07:21,157 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/realtek/8139cp.c"), "i" (881), "i" (12UL)); [7915-7916] [2024-12-02 08:07:21,158 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7923] [2024-12-02 08:07:21,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/realtek/8139cp.c"), "i" (1541), "i" (12UL)); [8947-8948] [2024-12-02 08:07:21,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/realtek/8139cp.c"), "i" (1588), "i" (12UL)); [9069-9070] [2024-12-02 08:07:21,320 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_dfe4caca-af4d-43a9-a552-83c6bdc02c0f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387186,387199] [2024-12-02 08:07:21,320 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_dfe4caca-af4d-43a9-a552-83c6bdc02c0f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387355,387368] [2024-12-02 08:07:21,320 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_dfe4caca-af4d-43a9-a552-83c6bdc02c0f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387522,387535] [2024-12-02 08:07:21,321 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_dfe4caca-af4d-43a9-a552-83c6bdc02c0f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387690,387703] [2024-12-02 08:07:21,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:07:21,647 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:07:21,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:07:21 WrapperNode [2024-12-02 08:07:21,648 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:07:21,649 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:07:21,649 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:07:21,649 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:07:21,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:07:21" (1/1) ... [2024-12-02 08:07:21,722 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:07:21" (1/1) ... [2024-12-02 08:07:21,991 INFO L138 Inliner]: procedures = 540, calls = 2760, calls flagged for inlining = 276, calls inlined = 247, statements flattened = 6752 [2024-12-02 08:07:21,991 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:07:21,991 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:07:21,992 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:07:21,992 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:07:21,999 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:07:21" (1/1) ... [2024-12-02 08:07:21,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:07:21" (1/1) ... [2024-12-02 08:07:22,018 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:07:21" (1/1) ... [2024-12-02 08:07:23,056 INFO L175 MemorySlicer]: Split 1417 memory accesses to 19 slices as follows [62, 2, 57, 7, 8, 42, 52, 7, 3, 1139, 2, 1, 13, 2, 2, 7, 3, 7, 1]. 80 percent of accesses are in the largest equivalence class. The 568 initializations are split as follows [62, 2, 0, 7, 8, 0, 0, 7, 1, 466, 0, 0, 0, 0, 0, 7, 0, 7, 1]. The 395 writes are split as follows [0, 0, 57, 0, 0, 36, 42, 0, 0, 250, 0, 0, 7, 1, 1, 0, 1, 0, 0]. [2024-12-02 08:07:23,056 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:07:21" (1/1) ... [2024-12-02 08:07:23,057 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:07:21" (1/1) ... [2024-12-02 08:07:23,171 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:07:21" (1/1) ... [2024-12-02 08:07:23,180 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:07:21" (1/1) ... [2024-12-02 08:07:23,204 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:07:21" (1/1) ... [2024-12-02 08:07:23,252 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:07:21" (1/1) ... [2024-12-02 08:07:23,267 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:07:21" (1/1) ... [2024-12-02 08:07:23,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:07:23,315 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:07:23,315 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:07:23,315 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:07:23,316 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:07:21" (1/1) ... [2024-12-02 08:07:23,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:07:23,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe4caca-af4d-43a9-a552-83c6bdc02c0f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:07:23,347 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe4caca-af4d-43a9-a552-83c6bdc02c0f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:07:23,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe4caca-af4d-43a9-a552-83c6bdc02c0f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:07:23,375 INFO L130 BoogieDeclarations]: Found specification of procedure mii_check_media [2024-12-02 08:07:23,375 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_check_media [2024-12-02 08:07:23,375 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-12-02 08:07:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-12-02 08:07:23,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 08:07:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 08:07:23,376 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-12-02 08:07:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-12-02 08:07:23,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 08:07:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 08:07:23,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_78 [2024-12-02 08:07:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_78 [2024-12-02 08:07:23,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 08:07:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 08:07:23,376 INFO L130 BoogieDeclarations]: Found specification of procedure cp_poll_controller [2024-12-02 08:07:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_poll_controller [2024-12-02 08:07:23,376 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-12-02 08:07:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-12-02 08:07:23,376 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-12-02 08:07:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-12-02 08:07:23,376 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_rings [2024-12-02 08:07:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_rings [2024-12-02 08:07:23,376 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-12-02 08:07:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-12-02 08:07:23,377 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2024-12-02 08:07:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2024-12-02 08:07:23,377 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-12-02 08:07:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-12-02 08:07:23,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 08:07:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 08:07:23,377 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-12-02 08:07:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-12-02 08:07:23,377 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-12-02 08:07:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-12-02 08:07:23,377 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-12-02 08:07:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-12-02 08:07:23,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 08:07:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 08:07:23,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 08:07:23,377 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-12-02 08:07:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-12-02 08:07:23,377 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_rxbufsize [2024-12-02 08:07:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_rxbufsize [2024-12-02 08:07:23,377 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd [2024-12-02 08:07:23,378 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd [2024-12-02 08:07:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 08:07:23,378 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 08:07:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2024-12-02 08:07:23,378 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2024-12-02 08:07:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 08:07:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 08:07:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 08:07:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 08:07:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 08:07:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 08:07:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 08:07:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 08:07:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 08:07:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 08:07:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 08:07:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 08:07:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 08:07:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 08:07:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 08:07:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 08:07:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 08:07:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 08:07:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 08:07:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-12-02 08:07:23,379 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-12-02 08:07:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_109 [2024-12-02 08:07:23,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_109 [2024-12-02 08:07:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 08:07:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 08:07:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 08:07:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 08:07:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 08:07:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 08:07:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 08:07:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 08:07:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 08:07:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 08:07:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 08:07:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 08:07:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 08:07:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 08:07:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 08:07:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 08:07:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 08:07:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 08:07:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 08:07:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 08:07:23,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 08:07:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 08:07:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 08:07:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 08:07:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 08:07:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 08:07:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 08:07:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 08:07:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 08:07:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 08:07:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 08:07:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 08:07:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 08:07:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 08:07:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 08:07:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 08:07:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 08:07:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 08:07:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 08:07:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 08:07:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-12-02 08:07:23,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-12-02 08:07:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_rings_index [2024-12-02 08:07:23,382 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_rings_index [2024-12-02 08:07:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 08:07:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 08:07:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 08:07:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 08:07:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 08:07:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 08:07:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 08:07:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 08:07:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 08:07:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 08:07:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 08:07:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 08:07:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 08:07:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 08:07:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-02 08:07:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-02 08:07:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-12-02 08:07:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-12-02 08:07:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-12-02 08:07:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 08:07:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 08:07:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 08:07:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 08:07:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 08:07:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 08:07:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 08:07:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 08:07:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 08:07:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 08:07:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 08:07:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 08:07:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 08:07:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 08:07:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-02 08:07:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-02 08:07:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-12-02 08:07:23,384 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-12-02 08:07:23,384 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-12-02 08:07:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 08:07:23,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 08:07:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2024-12-02 08:07:23,384 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2024-12-02 08:07:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-12-02 08:07:23,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-12-02 08:07:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2024-12-02 08:07:23,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2024-12-02 08:07:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_rx_mode [2024-12-02 08:07:23,385 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_rx_mode [2024-12-02 08:07:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-12-02 08:07:23,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-12-02 08:07:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 08:07:23,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 08:07:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 08:07:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_cp_private [2024-12-02 08:07:23,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_cp_private [2024-12-02 08:07:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 08:07:23,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 08:07:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-12-02 08:07:23,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-12-02 08:07:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2024-12-02 08:07:23,385 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2024-12-02 08:07:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:07:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 08:07:23,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 08:07:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 08:07:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 08:07:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 08:07:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 08:07:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 08:07:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 08:07:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 08:07:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 08:07:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 08:07:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 08:07:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 08:07:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 08:07:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 08:07:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 08:07:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 08:07:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 08:07:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 08:07:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 08:07:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 08:07:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure write_eeprom [2024-12-02 08:07:23,386 INFO L138 BoogieDeclarations]: Found implementation of procedure write_eeprom [2024-12-02 08:07:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 08:07:23,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 08:07:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-12-02 08:07:23,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-12-02 08:07:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2024-12-02 08:07:23,386 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2024-12-02 08:07:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 08:07:23,386 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 08:07:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_regs_len [2024-12-02 08:07:23,387 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_regs_len [2024-12-02 08:07:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-12-02 08:07:23,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-12-02 08:07:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2024-12-02 08:07:23,387 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2024-12-02 08:07:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-12-02 08:07:23,387 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-12-02 08:07:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-12-02 08:07:23,387 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-12-02 08:07:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure cp_start_hw [2024-12-02 08:07:23,387 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_start_hw [2024-12-02 08:07:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2024-12-02 08:07:23,387 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2024-12-02 08:07:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2024-12-02 08:07:23,387 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2024-12-02 08:07:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:07:23,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:07:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure cp_free_rings [2024-12-02 08:07:23,387 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_free_rings [2024-12-02 08:07:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure cp_stop_hw [2024-12-02 08:07:23,387 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_stop_hw [2024-12-02 08:07:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 08:07:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 08:07:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 08:07:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 08:07:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 08:07:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 08:07:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 08:07:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 08:07:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 08:07:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 08:07:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 08:07:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 08:07:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 08:07:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 08:07:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 08:07:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 08:07:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 08:07:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 08:07:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 08:07:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 08:07:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 08:07:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 08:07:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 08:07:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 08:07:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 08:07:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 08:07:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 08:07:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 08:07:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 08:07:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 08:07:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 08:07:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 08:07:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 08:07:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 08:07:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 08:07:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 08:07:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 08:07:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 08:07:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 08:07:23,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 08:07:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_eeprom_len [2024-12-02 08:07:23,389 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_eeprom_len [2024-12-02 08:07:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 08:07:23,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 08:07:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-12-02 08:07:23,389 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-12-02 08:07:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_reset_queue [2024-12-02 08:07:23,389 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_reset_queue [2024-12-02 08:07:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure cp_nway_reset [2024-12-02 08:07:23,389 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_nway_reset [2024-12-02 08:07:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2024-12-02 08:07:23,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2024-12-02 08:07:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 08:07:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 08:07:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 08:07:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 08:07:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 08:07:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 08:07:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 08:07:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 08:07:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 08:07:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 08:07:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 08:07:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 08:07:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 08:07:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 08:07:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 08:07:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-02 08:07:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-12-02 08:07:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-12-02 08:07:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-12-02 08:07:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 08:07:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 08:07:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 08:07:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 08:07:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 08:07:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 08:07:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 08:07:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 08:07:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 08:07:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 08:07:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 08:07:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 08:07:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 08:07:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 08:07:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 08:07:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-02 08:07:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-12-02 08:07:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-12-02 08:07:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-12-02 08:07:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-12-02 08:07:23,392 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-12-02 08:07:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2024-12-02 08:07:23,392 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2024-12-02 08:07:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2024-12-02 08:07:23,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2024-12-02 08:07:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2024-12-02 08:07:23,392 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2024-12-02 08:07:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure cp_resume [2024-12-02 08:07:23,392 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_resume [2024-12-02 08:07:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-12-02 08:07:23,392 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-12-02 08:07:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2024-12-02 08:07:23,392 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2024-12-02 08:07:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-12-02 08:07:23,392 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-12-02 08:07:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 08:07:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-12-02 08:07:23,392 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-12-02 08:07:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 08:07:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 08:07:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 08:07:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 08:07:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 08:07:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 08:07:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 08:07:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 08:07:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 08:07:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 08:07:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 08:07:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 08:07:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 08:07:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 08:07:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 08:07:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 08:07:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 08:07:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 08:07:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 08:07:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure cp_enable_irq [2024-12-02 08:07:23,393 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_enable_irq [2024-12-02 08:07:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2024-12-02 08:07:23,393 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2024-12-02 08:07:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_cp_private [2024-12-02 08:07:23,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_cp_private [2024-12-02 08:07:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2024-12-02 08:07:23,393 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2024-12-02 08:07:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure __cp_set_rx_mode [2024-12-02 08:07:23,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __cp_set_rx_mode [2024-12-02 08:07:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure cp_clean_rings [2024-12-02 08:07:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_clean_rings [2024-12-02 08:07:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 08:07:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 08:07:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2024-12-02 08:07:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2024-12-02 08:07:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-12-02 08:07:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-12-02 08:07:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2024-12-02 08:07:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2024-12-02 08:07:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-12-02 08:07:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-12-02 08:07:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 08:07:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 08:07:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 08:07:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 08:07:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd_end [2024-12-02 08:07:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd_end [2024-12-02 08:07:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_108 [2024-12-02 08:07:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_108 [2024-12-02 08:07:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2024-12-02 08:07:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2024-12-02 08:07:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-12-02 08:07:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-12-02 08:07:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-12-02 08:07:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-12-02 08:07:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure cp_close [2024-12-02 08:07:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_close [2024-12-02 08:07:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-12-02 08:07:23,395 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-12-02 08:07:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure cp_open [2024-12-02 08:07:23,395 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_open [2024-12-02 08:07:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 08:07:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 08:07:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 08:07:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 08:07:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 08:07:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 08:07:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 08:07:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 08:07:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 08:07:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 08:07:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 08:07:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 08:07:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 08:07:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 08:07:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 08:07:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 08:07:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 08:07:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 08:07:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 08:07:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 08:07:23,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 08:07:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure cp_tx_timeout [2024-12-02 08:07:23,395 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_tx_timeout [2024-12-02 08:07:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-12-02 08:07:23,397 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-12-02 08:07:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd_start [2024-12-02 08:07:23,397 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd_start [2024-12-02 08:07:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 08:07:23,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 08:07:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_hw [2024-12-02 08:07:23,397 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_hw [2024-12-02 08:07:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2024-12-02 08:07:23,397 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2024-12-02 08:07:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_extend_cmd [2024-12-02 08:07:23,397 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_extend_cmd [2024-12-02 08:07:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-12-02 08:07:23,397 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-12-02 08:07:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2024-12-02 08:07:23,398 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2024-12-02 08:07:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2024-12-02 08:07:23,398 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2024-12-02 08:07:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-12-02 08:07:23,398 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-12-02 08:07:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 08:07:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 08:07:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 08:07:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 08:07:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 08:07:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 08:07:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 08:07:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 08:07:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 08:07:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 08:07:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 08:07:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 08:07:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 08:07:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 08:07:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 08:07:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 08:07:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 08:07:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 08:07:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 08:07:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure cp_interrupt [2024-12-02 08:07:23,398 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_interrupt [2024-12-02 08:07:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 08:07:23,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 08:07:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2024-12-02 08:07:23,399 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2024-12-02 08:07:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure cp_remove_one [2024-12-02 08:07:23,399 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_remove_one [2024-12-02 08:07:24,336 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:07:24,340 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:07:24,990 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 08:07:43,908 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 08:07:45,384 INFO L? ?]: Removed 3283 outVars from TransFormulas that were not future-live. [2024-12-02 08:07:45,384 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:07:45,433 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:07:45,434 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 08:07:45,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:07:45 BoogieIcfgContainer [2024-12-02 08:07:45,434 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:07:45,437 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:07:45,437 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:07:45,442 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:07:45,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:07:18" (1/3) ... [2024-12-02 08:07:45,443 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40dc69f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:07:45, skipping insertion in model container [2024-12-02 08:07:45,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:07:21" (2/3) ... [2024-12-02 08:07:45,443 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40dc69f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:07:45, skipping insertion in model container [2024-12-02 08:07:45,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:07:45" (3/3) ... [2024-12-02 08:07:45,444 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i [2024-12-02 08:07:45,462 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:07:45,465 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i that has 148 procedures, 2570 locations, 1 initial locations, 57 loop locations, and 3 error locations. [2024-12-02 08:07:45,580 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:07:45,592 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;@73c96922, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:07:45,593 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-02 08:07:45,604 INFO L276 IsEmpty]: Start isEmpty. Operand has 2406 states, 1715 states have (on average 1.300874635568513) internal successors, (2231), 1738 states have internal predecessors, (2231), 578 states have call successors, (578), 111 states have call predecessors, (578), 110 states have return successors, (573), 569 states have call predecessors, (573), 573 states have call successors, (573) [2024-12-02 08:07:45,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-12-02 08:07:45,618 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:07:45,618 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:07:45,619 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)] === [2024-12-02 08:07:45,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:07:45,623 INFO L85 PathProgramCache]: Analyzing trace with hash 2105273081, now seen corresponding path program 1 times [2024-12-02 08:07:45,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:07:45,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85770069] [2024-12-02 08:07:45,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:07:45,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:07:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:07:51,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-12-02 08:07:51,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:07:51,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85770069] [2024-12-02 08:07:51,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85770069] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:07:51,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:07:51,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:07:51,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804867386] [2024-12-02 08:07:51,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:07:51,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:07:51,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:07:51,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:07:51,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:07:51,993 INFO L87 Difference]: Start difference. First operand has 2406 states, 1715 states have (on average 1.300874635568513) internal successors, (2231), 1738 states have internal predecessors, (2231), 578 states have call successors, (578), 111 states have call predecessors, (578), 110 states have return successors, (573), 569 states have call predecessors, (573), 573 states have call successors, (573) Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-12-02 08:07:56,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:07:56,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:07:56,809 INFO L93 Difference]: Finished difference Result 7065 states and 10164 transitions. [2024-12-02 08:07:56,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:07:56,811 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 200 [2024-12-02 08:07:56,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:07:56,853 INFO L225 Difference]: With dead ends: 7065 [2024-12-02 08:07:56,854 INFO L226 Difference]: Without dead ends: 4684 [2024-12-02 08:07:56,870 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:07:56,872 INFO L435 NwaCegarLoop]: 3351 mSDtfsCounter, 3207 mSDsluCounter, 3286 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3207 SdHoareTripleChecker+Valid, 6637 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 08:07:56,873 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3207 Valid, 6637 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 08:07:56,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4684 states. [2024-12-02 08:07:57,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4684 to 4680. [2024-12-02 08:07:57,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4680 states, 3359 states have (on average 1.2744864543018755) internal successors, (4281), 3403 states have internal predecessors, (4281), 1101 states have call successors, (1101), 218 states have call predecessors, (1101), 217 states have return successors, (1098), 1090 states have call predecessors, (1098), 1098 states have call successors, (1098) [2024-12-02 08:07:57,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4680 states to 4680 states and 6480 transitions. [2024-12-02 08:07:57,172 INFO L78 Accepts]: Start accepts. Automaton has 4680 states and 6480 transitions. Word has length 200 [2024-12-02 08:07:57,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:07:57,173 INFO L471 AbstractCegarLoop]: Abstraction has 4680 states and 6480 transitions. [2024-12-02 08:07:57,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-12-02 08:07:57,173 INFO L276 IsEmpty]: Start isEmpty. Operand 4680 states and 6480 transitions. [2024-12-02 08:07:57,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-12-02 08:07:57,179 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:07:57,180 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:07:57,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 08:07:57,180 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)] === [2024-12-02 08:07:57,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:07:57,181 INFO L85 PathProgramCache]: Analyzing trace with hash -799967423, now seen corresponding path program 1 times [2024-12-02 08:07:57,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:07:57,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118946818] [2024-12-02 08:07:57,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:07:57,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:08:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:08:03,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-12-02 08:08:03,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:08:03,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118946818] [2024-12-02 08:08:03,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118946818] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:08:03,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:08:03,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:08:03,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507876303] [2024-12-02 08:08:03,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:08:03,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:08:03,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:08:03,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:08:03,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:08:03,497 INFO L87 Difference]: Start difference. First operand 4680 states and 6480 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 08:08:07,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:08:08,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:08:08,738 INFO L93 Difference]: Finished difference Result 13860 states and 19204 transitions. [2024-12-02 08:08:08,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:08:08,739 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 212 [2024-12-02 08:08:08,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:08:08,814 INFO L225 Difference]: With dead ends: 13860 [2024-12-02 08:08:08,814 INFO L226 Difference]: Without dead ends: 9217 [2024-12-02 08:08:08,837 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:08:08,838 INFO L435 NwaCegarLoop]: 3344 mSDtfsCounter, 3230 mSDsluCounter, 3244 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3230 SdHoareTripleChecker+Valid, 6588 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-12-02 08:08:08,838 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3230 Valid, 6588 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-12-02 08:08:08,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9217 states. [2024-12-02 08:08:09,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9217 to 9179. [2024-12-02 08:08:09,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9179 states, 6608 states have (on average 1.2767857142857142) internal successors, (8437), 6700 states have internal predecessors, (8437), 2139 states have call successors, (2139), 434 states have call predecessors, (2139), 429 states have return successors, (2144), 2108 states have call predecessors, (2144), 2136 states have call successors, (2144) [2024-12-02 08:08:09,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9179 states to 9179 states and 12720 transitions. [2024-12-02 08:08:09,366 INFO L78 Accepts]: Start accepts. Automaton has 9179 states and 12720 transitions. Word has length 212 [2024-12-02 08:08:09,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:08:09,366 INFO L471 AbstractCegarLoop]: Abstraction has 9179 states and 12720 transitions. [2024-12-02 08:08:09,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 08:08:09,367 INFO L276 IsEmpty]: Start isEmpty. Operand 9179 states and 12720 transitions. [2024-12-02 08:08:09,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-12-02 08:08:09,371 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:08:09,371 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:08:09,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 08:08:09,371 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)] === [2024-12-02 08:08:09,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:08:09,372 INFO L85 PathProgramCache]: Analyzing trace with hash -763314763, now seen corresponding path program 1 times [2024-12-02 08:08:09,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:08:09,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056866008] [2024-12-02 08:08:09,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:08:09,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:08:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:08:15,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-12-02 08:08:15,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:08:15,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056866008] [2024-12-02 08:08:15,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056866008] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:08:15,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:08:15,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:08:15,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450055410] [2024-12-02 08:08:15,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:08:15,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:08:15,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:08:15,121 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:08:15,121 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:08:15,121 INFO L87 Difference]: Start difference. First operand 9179 states and 12720 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-12-02 08:08:19,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:08:21,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:08:21,058 INFO L93 Difference]: Finished difference Result 24027 states and 33044 transitions. [2024-12-02 08:08:21,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:08:21,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 212 [2024-12-02 08:08:21,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:08:21,186 INFO L225 Difference]: With dead ends: 24027 [2024-12-02 08:08:21,186 INFO L226 Difference]: Without dead ends: 14885 [2024-12-02 08:08:21,238 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:08:21,239 INFO L435 NwaCegarLoop]: 3327 mSDtfsCounter, 2005 mSDsluCounter, 3184 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2005 SdHoareTripleChecker+Valid, 6511 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:08:21,239 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2005 Valid, 6511 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 107 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2024-12-02 08:08:21,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14885 states. [2024-12-02 08:08:21,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14885 to 14845. [2024-12-02 08:08:21,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14845 states, 10480 states have (on average 1.2602099236641222) internal successors, (13207), 10648 states have internal predecessors, (13207), 3543 states have call successors, (3543), 830 states have call predecessors, (3543), 819 states have return successors, (3556), 3474 states have call predecessors, (3556), 3540 states have call successors, (3556) [2024-12-02 08:08:21,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14845 states to 14845 states and 20306 transitions. [2024-12-02 08:08:21,872 INFO L78 Accepts]: Start accepts. Automaton has 14845 states and 20306 transitions. Word has length 212 [2024-12-02 08:08:21,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:08:21,873 INFO L471 AbstractCegarLoop]: Abstraction has 14845 states and 20306 transitions. [2024-12-02 08:08:21,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-12-02 08:08:21,874 INFO L276 IsEmpty]: Start isEmpty. Operand 14845 states and 20306 transitions. [2024-12-02 08:08:21,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-12-02 08:08:21,878 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:08:21,878 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:08:21,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 08:08:21,878 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)] === [2024-12-02 08:08:21,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:08:21,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1549979048, now seen corresponding path program 1 times [2024-12-02 08:08:21,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:08:21,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404348104] [2024-12-02 08:08:21,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:08:21,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:08:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:08:27,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-12-02 08:08:27,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:08:27,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404348104] [2024-12-02 08:08:27,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404348104] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:08:27,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:08:27,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:08:27,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686147281] [2024-12-02 08:08:27,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:08:27,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:08:27,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:08:27,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:08:27,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:08:27,661 INFO L87 Difference]: Start difference. First operand 14845 states and 20306 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-12-02 08:08:31,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:08:33,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:08:33,052 INFO L93 Difference]: Finished difference Result 26651 states and 36474 transitions. [2024-12-02 08:08:33,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:08:33,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 213 [2024-12-02 08:08:33,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:08:33,100 INFO L225 Difference]: With dead ends: 26651 [2024-12-02 08:08:33,100 INFO L226 Difference]: Without dead ends: 11843 [2024-12-02 08:08:33,138 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:08:33,138 INFO L435 NwaCegarLoop]: 5675 mSDtfsCounter, 2670 mSDsluCounter, 3248 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2670 SdHoareTripleChecker+Valid, 8923 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:08:33,138 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2670 Valid, 8923 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 74 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 08:08:33,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11843 states. [2024-12-02 08:08:33,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11843 to 11812. [2024-12-02 08:08:33,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11812 states, 8463 states have (on average 1.262790972468392) internal successors, (10687), 8588 states have internal predecessors, (10687), 2703 states have call successors, (2703), 649 states have call predecessors, (2703), 643 states have return successors, (2709), 2651 states have call predecessors, (2709), 2700 states have call successors, (2709) [2024-12-02 08:08:33,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11812 states to 11812 states and 16099 transitions. [2024-12-02 08:08:33,618 INFO L78 Accepts]: Start accepts. Automaton has 11812 states and 16099 transitions. Word has length 213 [2024-12-02 08:08:33,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:08:33,618 INFO L471 AbstractCegarLoop]: Abstraction has 11812 states and 16099 transitions. [2024-12-02 08:08:33,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-12-02 08:08:33,619 INFO L276 IsEmpty]: Start isEmpty. Operand 11812 states and 16099 transitions. [2024-12-02 08:08:33,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-12-02 08:08:33,622 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:08:33,623 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 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] [2024-12-02 08:08:33,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 08:08:33,623 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)] === [2024-12-02 08:08:33,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:08:33,623 INFO L85 PathProgramCache]: Analyzing trace with hash 501743596, now seen corresponding path program 1 times [2024-12-02 08:08:33,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:08:33,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529087970] [2024-12-02 08:08:33,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:08:33,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:08:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:08:38,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1314 trivial. 0 not checked. [2024-12-02 08:08:38,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:08:38,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529087970] [2024-12-02 08:08:38,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529087970] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:08:38,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:08:38,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:08:38,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422209184] [2024-12-02 08:08:38,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:08:38,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:08:38,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:08:38,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:08:38,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:08:38,740 INFO L87 Difference]: Start difference. First operand 11812 states and 16099 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-12-02 08:08:42,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:08:43,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:08:43,582 INFO L93 Difference]: Finished difference Result 34891 states and 47608 transitions. [2024-12-02 08:08:43,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:08:43,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 257 [2024-12-02 08:08:43,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:08:43,715 INFO L225 Difference]: With dead ends: 34891 [2024-12-02 08:08:43,715 INFO L226 Difference]: Without dead ends: 23157 [2024-12-02 08:08:43,736 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:08:43,736 INFO L435 NwaCegarLoop]: 3422 mSDtfsCounter, 3212 mSDsluCounter, 3288 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3212 SdHoareTripleChecker+Valid, 6710 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 08:08:43,736 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3212 Valid, 6710 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 08:08:43,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23157 states. [2024-12-02 08:08:44,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23157 to 23132. [2024-12-02 08:08:44,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23132 states, 16608 states have (on average 1.2651734104046244) internal successors, (21012), 16836 states have internal predecessors, (21012), 5268 states have call successors, (5268), 1264 states have call predecessors, (5268), 1253 states have return successors, (5283), 5185 states have call predecessors, (5283), 5265 states have call successors, (5283) [2024-12-02 08:08:44,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23132 states to 23132 states and 31563 transitions. [2024-12-02 08:08:44,366 INFO L78 Accepts]: Start accepts. Automaton has 23132 states and 31563 transitions. Word has length 257 [2024-12-02 08:08:44,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:08:44,367 INFO L471 AbstractCegarLoop]: Abstraction has 23132 states and 31563 transitions. [2024-12-02 08:08:44,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-12-02 08:08:44,367 INFO L276 IsEmpty]: Start isEmpty. Operand 23132 states and 31563 transitions. [2024-12-02 08:08:44,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-12-02 08:08:44,371 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:08:44,371 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 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] [2024-12-02 08:08:44,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 08:08:44,372 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)] === [2024-12-02 08:08:44,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:08:44,372 INFO L85 PathProgramCache]: Analyzing trace with hash 924445422, now seen corresponding path program 1 times [2024-12-02 08:08:44,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:08:44,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386627737] [2024-12-02 08:08:44,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:08:44,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:08:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:08:51,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2024-12-02 08:08:51,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:08:51,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386627737] [2024-12-02 08:08:51,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386627737] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:08:51,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:08:51,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:08:51,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143185202] [2024-12-02 08:08:51,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:08:51,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:08:51,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:08:51,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:08:51,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:08:51,201 INFO L87 Difference]: Start difference. First operand 23132 states and 31563 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-12-02 08:08:51,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:08:51,995 INFO L93 Difference]: Finished difference Result 23138 states and 31568 transitions. [2024-12-02 08:08:51,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:08:51,996 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 257 [2024-12-02 08:08:51,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:08:52,082 INFO L225 Difference]: With dead ends: 23138 [2024-12-02 08:08:52,082 INFO L226 Difference]: Without dead ends: 23136 [2024-12-02 08:08:52,094 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:08:52,095 INFO L435 NwaCegarLoop]: 3311 mSDtfsCounter, 3251 mSDsluCounter, 6606 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3252 SdHoareTripleChecker+Valid, 9917 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:08:52,095 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3252 Valid, 9917 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:08:52,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23136 states. [2024-12-02 08:08:52,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23136 to 23136. [2024-12-02 08:08:52,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23136 states, 16611 states have (on average 1.2651255192342423) internal successors, (21015), 16839 states have internal predecessors, (21015), 5268 states have call successors, (5268), 1265 states have call predecessors, (5268), 1254 states have return successors, (5283), 5185 states have call predecessors, (5283), 5265 states have call successors, (5283) [2024-12-02 08:08:53,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23136 states to 23136 states and 31566 transitions. [2024-12-02 08:08:53,105 INFO L78 Accepts]: Start accepts. Automaton has 23136 states and 31566 transitions. Word has length 257 [2024-12-02 08:08:53,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:08:53,106 INFO L471 AbstractCegarLoop]: Abstraction has 23136 states and 31566 transitions. [2024-12-02 08:08:53,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-12-02 08:08:53,107 INFO L276 IsEmpty]: Start isEmpty. Operand 23136 states and 31566 transitions. [2024-12-02 08:08:53,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-12-02 08:08:53,111 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:08:53,111 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:08:53,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 08:08:53,111 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)] === [2024-12-02 08:08:53,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:08:53,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1601384717, now seen corresponding path program 1 times [2024-12-02 08:08:53,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:08:53,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151351304] [2024-12-02 08:08:53,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:08:53,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:08:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:08:59,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1322 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2024-12-02 08:08:59,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:08:59,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151351304] [2024-12-02 08:08:59,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151351304] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:08:59,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:08:59,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:08:59,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556174980] [2024-12-02 08:08:59,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:08:59,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:08:59,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:08:59,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:08:59,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:08:59,673 INFO L87 Difference]: Start difference. First operand 23136 states and 31566 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 08:09:00,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:09:00,740 INFO L93 Difference]: Finished difference Result 23142 states and 31571 transitions. [2024-12-02 08:09:00,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:09:00,740 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 262 [2024-12-02 08:09:00,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:09:00,827 INFO L225 Difference]: With dead ends: 23142 [2024-12-02 08:09:00,827 INFO L226 Difference]: Without dead ends: 23140 [2024-12-02 08:09:00,839 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:09:00,840 INFO L435 NwaCegarLoop]: 3314 mSDtfsCounter, 3247 mSDsluCounter, 6607 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3248 SdHoareTripleChecker+Valid, 9921 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:09:00,840 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3248 Valid, 9921 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:09:00,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23140 states. [2024-12-02 08:09:01,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23140 to 23140. [2024-12-02 08:09:01,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23140 states, 16614 states have (on average 1.2650776453593355) internal successors, (21018), 16842 states have internal predecessors, (21018), 5268 states have call successors, (5268), 1266 states have call predecessors, (5268), 1255 states have return successors, (5283), 5185 states have call predecessors, (5283), 5265 states have call successors, (5283) [2024-12-02 08:09:01,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23140 states to 23140 states and 31569 transitions. [2024-12-02 08:09:01,611 INFO L78 Accepts]: Start accepts. Automaton has 23140 states and 31569 transitions. Word has length 262 [2024-12-02 08:09:01,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:09:01,612 INFO L471 AbstractCegarLoop]: Abstraction has 23140 states and 31569 transitions. [2024-12-02 08:09:01,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 08:09:01,612 INFO L276 IsEmpty]: Start isEmpty. Operand 23140 states and 31569 transitions. [2024-12-02 08:09:01,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-12-02 08:09:01,615 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:09:01,615 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:09:01,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 08:09:01,615 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)] === [2024-12-02 08:09:01,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:09:01,616 INFO L85 PathProgramCache]: Analyzing trace with hash 788069902, now seen corresponding path program 1 times [2024-12-02 08:09:01,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:09:01,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893114748] [2024-12-02 08:09:01,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:09:01,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:09:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:09:07,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1328 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1324 trivial. 0 not checked. [2024-12-02 08:09:07,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:09:07,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893114748] [2024-12-02 08:09:07,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893114748] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:09:07,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:09:07,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:09:07,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071019541] [2024-12-02 08:09:07,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:09:07,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:09:07,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:09:07,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:09:07,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:09:07,022 INFO L87 Difference]: Start difference. First operand 23140 states and 31569 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 08:09:07,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:09:07,873 INFO L93 Difference]: Finished difference Result 23146 states and 31574 transitions. [2024-12-02 08:09:07,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:09:07,873 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 267 [2024-12-02 08:09:07,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:09:07,943 INFO L225 Difference]: With dead ends: 23146 [2024-12-02 08:09:07,943 INFO L226 Difference]: Without dead ends: 23144 [2024-12-02 08:09:07,955 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:09:07,955 INFO L435 NwaCegarLoop]: 3314 mSDtfsCounter, 3246 mSDsluCounter, 6607 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3247 SdHoareTripleChecker+Valid, 9921 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:09:07,956 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3247 Valid, 9921 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:09:07,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23144 states. [2024-12-02 08:09:08,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23144 to 23144. [2024-12-02 08:09:08,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23144 states, 16617 states have (on average 1.2650297887705362) internal successors, (21021), 16845 states have internal predecessors, (21021), 5268 states have call successors, (5268), 1267 states have call predecessors, (5268), 1256 states have return successors, (5283), 5185 states have call predecessors, (5283), 5265 states have call successors, (5283) [2024-12-02 08:09:08,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23144 states to 23144 states and 31572 transitions. [2024-12-02 08:09:08,673 INFO L78 Accepts]: Start accepts. Automaton has 23144 states and 31572 transitions. Word has length 267 [2024-12-02 08:09:08,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:09:08,673 INFO L471 AbstractCegarLoop]: Abstraction has 23144 states and 31572 transitions. [2024-12-02 08:09:08,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 08:09:08,674 INFO L276 IsEmpty]: Start isEmpty. Operand 23144 states and 31572 transitions. [2024-12-02 08:09:08,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-12-02 08:09:08,678 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:09:08,678 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:09:08,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 08:09:08,679 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)] === [2024-12-02 08:09:08,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:09:08,679 INFO L85 PathProgramCache]: Analyzing trace with hash 501039469, now seen corresponding path program 1 times [2024-12-02 08:09:08,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:09:08,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108999595] [2024-12-02 08:09:08,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:09:08,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:09:13,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:09:14,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1338 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1332 trivial. 0 not checked. [2024-12-02 08:09:14,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:09:14,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108999595] [2024-12-02 08:09:14,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108999595] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:09:14,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:09:14,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:09:14,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814346815] [2024-12-02 08:09:14,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:09:14,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:09:14,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:09:14,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:09:14,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:09:14,662 INFO L87 Difference]: Start difference. First operand 23144 states and 31572 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 08:09:15,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:09:15,517 INFO L93 Difference]: Finished difference Result 23150 states and 31577 transitions. [2024-12-02 08:09:15,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:09:15,518 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 272 [2024-12-02 08:09:15,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:09:15,590 INFO L225 Difference]: With dead ends: 23150 [2024-12-02 08:09:15,590 INFO L226 Difference]: Without dead ends: 23148 [2024-12-02 08:09:15,602 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:09:15,603 INFO L435 NwaCegarLoop]: 3314 mSDtfsCounter, 3245 mSDsluCounter, 6607 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3246 SdHoareTripleChecker+Valid, 9921 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 08:09:15,603 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3246 Valid, 9921 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 08:09:15,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23148 states. [2024-12-02 08:09:16,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23148 to 23148. [2024-12-02 08:09:16,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23148 states, 16620 states have (on average 1.2649819494584837) internal successors, (21024), 16848 states have internal predecessors, (21024), 5268 states have call successors, (5268), 1268 states have call predecessors, (5268), 1257 states have return successors, (5283), 5185 states have call predecessors, (5283), 5265 states have call successors, (5283) [2024-12-02 08:09:16,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23148 states to 23148 states and 31575 transitions. [2024-12-02 08:09:16,387 INFO L78 Accepts]: Start accepts. Automaton has 23148 states and 31575 transitions. Word has length 272 [2024-12-02 08:09:16,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:09:16,388 INFO L471 AbstractCegarLoop]: Abstraction has 23148 states and 31575 transitions. [2024-12-02 08:09:16,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 08:09:16,388 INFO L276 IsEmpty]: Start isEmpty. Operand 23148 states and 31575 transitions. [2024-12-02 08:09:16,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-12-02 08:09:16,391 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:09:16,391 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 5, 4, 4, 4, 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] [2024-12-02 08:09:16,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 08:09:16,391 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)] === [2024-12-02 08:09:16,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:09:16,392 INFO L85 PathProgramCache]: Analyzing trace with hash -731621074, now seen corresponding path program 1 times [2024-12-02 08:09:16,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:09:16,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007209549] [2024-12-02 08:09:16,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:09:16,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:09:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:09:21,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1344 trivial. 0 not checked. [2024-12-02 08:09:21,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:09:21,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007209549] [2024-12-02 08:09:21,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007209549] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:09:21,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:09:21,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:09:21,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450580207] [2024-12-02 08:09:21,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:09:21,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:09:21,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:09:21,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:09:21,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:09:21,960 INFO L87 Difference]: Start difference. First operand 23148 states and 31575 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 08:09:22,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:09:22,900 INFO L93 Difference]: Finished difference Result 23154 states and 31580 transitions. [2024-12-02 08:09:22,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:09:22,901 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 277 [2024-12-02 08:09:22,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:09:22,968 INFO L225 Difference]: With dead ends: 23154 [2024-12-02 08:09:22,969 INFO L226 Difference]: Without dead ends: 23152 [2024-12-02 08:09:22,980 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:09:22,980 INFO L435 NwaCegarLoop]: 3314 mSDtfsCounter, 3244 mSDsluCounter, 6607 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3245 SdHoareTripleChecker+Valid, 9921 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:09:22,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3245 Valid, 9921 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:09:22,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23152 states. [2024-12-02 08:09:23,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23152 to 23152. [2024-12-02 08:09:23,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23152 states, 16623 states have (on average 1.2649341274138242) internal successors, (21027), 16851 states have internal predecessors, (21027), 5268 states have call successors, (5268), 1269 states have call predecessors, (5268), 1258 states have return successors, (5283), 5185 states have call predecessors, (5283), 5265 states have call successors, (5283) [2024-12-02 08:09:23,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23152 states to 23152 states and 31578 transitions. [2024-12-02 08:09:23,728 INFO L78 Accepts]: Start accepts. Automaton has 23152 states and 31578 transitions. Word has length 277 [2024-12-02 08:09:23,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:09:23,729 INFO L471 AbstractCegarLoop]: Abstraction has 23152 states and 31578 transitions. [2024-12-02 08:09:23,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 08:09:23,729 INFO L276 IsEmpty]: Start isEmpty. Operand 23152 states and 31578 transitions. [2024-12-02 08:09:23,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-12-02 08:09:23,731 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:09:23,731 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:09:23,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 08:09:23,732 INFO L396 AbstractCegarLoop]: === Iteration 11 === 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)] === [2024-12-02 08:09:23,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:09:23,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1314783398, now seen corresponding path program 1 times [2024-12-02 08:09:23,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:09:23,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063538015] [2024-12-02 08:09:23,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:09:23,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:09:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:09:28,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1314 trivial. 0 not checked. [2024-12-02 08:09:28,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:09:28,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063538015] [2024-12-02 08:09:28,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063538015] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:09:28,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:09:28,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:09:28,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393250018] [2024-12-02 08:09:28,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:09:28,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:09:28,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:09:28,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:09:28,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:09:28,877 INFO L87 Difference]: Start difference. First operand 23152 states and 31578 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 08:09:32,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:09:34,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:09:34,987 INFO L93 Difference]: Finished difference Result 54495 states and 74435 transitions. [2024-12-02 08:09:34,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:09:34,988 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 278 [2024-12-02 08:09:34,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:09:35,084 INFO L225 Difference]: With dead ends: 54495 [2024-12-02 08:09:35,084 INFO L226 Difference]: Without dead ends: 31421 [2024-12-02 08:09:35,144 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:09:35,145 INFO L435 NwaCegarLoop]: 5902 mSDtfsCounter, 2659 mSDsluCounter, 3244 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2659 SdHoareTripleChecker+Valid, 9146 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:09:35,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2659 Valid, 9146 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 75 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 08:09:35,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31421 states. [2024-12-02 08:09:36,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31421 to 31370. [2024-12-02 08:09:36,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31370 states, 22683 states have (on average 1.2679539743420183) internal successors, (28761), 22971 states have internal predecessors, (28761), 7000 states have call successors, (7000), 1695 states have call predecessors, (7000), 1684 states have return successors, (7017), 6903 states have call predecessors, (7017), 6997 states have call successors, (7017) [2024-12-02 08:09:36,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31370 states to 31370 states and 42778 transitions. [2024-12-02 08:09:36,293 INFO L78 Accepts]: Start accepts. Automaton has 31370 states and 42778 transitions. Word has length 278 [2024-12-02 08:09:36,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:09:36,294 INFO L471 AbstractCegarLoop]: Abstraction has 31370 states and 42778 transitions. [2024-12-02 08:09:36,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 08:09:36,294 INFO L276 IsEmpty]: Start isEmpty. Operand 31370 states and 42778 transitions. [2024-12-02 08:09:36,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-12-02 08:09:36,296 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:09:36,296 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 6, 5, 5, 4, 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, 1, 1] [2024-12-02 08:09:36,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 08:09:36,297 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)] === [2024-12-02 08:09:36,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:09:36,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1557657139, now seen corresponding path program 1 times [2024-12-02 08:09:36,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:09:36,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4518660] [2024-12-02 08:09:36,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:09:36,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:09:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:09:41,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1370 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1360 trivial. 0 not checked. [2024-12-02 08:09:41,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:09:41,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4518660] [2024-12-02 08:09:41,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4518660] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:09:41,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:09:41,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:09:41,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333686881] [2024-12-02 08:09:41,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:09:41,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:09:41,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:09:41,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:09:41,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:09:41,657 INFO L87 Difference]: Start difference. First operand 31370 states and 42778 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-12-02 08:09:42,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:09:42,846 INFO L93 Difference]: Finished difference Result 31376 states and 42783 transitions. [2024-12-02 08:09:42,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:09:42,847 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 282 [2024-12-02 08:09:42,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:09:42,937 INFO L225 Difference]: With dead ends: 31376 [2024-12-02 08:09:42,937 INFO L226 Difference]: Without dead ends: 31374 [2024-12-02 08:09:42,952 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:09:42,953 INFO L435 NwaCegarLoop]: 3314 mSDtfsCounter, 3243 mSDsluCounter, 6607 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3244 SdHoareTripleChecker+Valid, 9921 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 08:09:42,953 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3244 Valid, 9921 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 08:09:42,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31374 states. [2024-12-02 08:09:44,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31374 to 31374. [2024-12-02 08:09:44,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31374 states, 22686 states have (on average 1.267918540068765) internal successors, (28764), 22974 states have internal predecessors, (28764), 7000 states have call successors, (7000), 1696 states have call predecessors, (7000), 1685 states have return successors, (7017), 6903 states have call predecessors, (7017), 6997 states have call successors, (7017) [2024-12-02 08:09:44,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31374 states to 31374 states and 42781 transitions. [2024-12-02 08:09:44,195 INFO L78 Accepts]: Start accepts. Automaton has 31374 states and 42781 transitions. Word has length 282 [2024-12-02 08:09:44,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:09:44,195 INFO L471 AbstractCegarLoop]: Abstraction has 31374 states and 42781 transitions. [2024-12-02 08:09:44,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-12-02 08:09:44,195 INFO L276 IsEmpty]: Start isEmpty. Operand 31374 states and 42781 transitions. [2024-12-02 08:09:44,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-12-02 08:09:44,197 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:09:44,197 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 7, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:09:44,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 08:09:44,197 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 08:09:44,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:09:44,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1025493245, now seen corresponding path program 1 times [2024-12-02 08:09:44,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:09:44,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742255369] [2024-12-02 08:09:44,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:09:44,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:09:49,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:09:49,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1427 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1415 trivial. 0 not checked. [2024-12-02 08:09:49,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:09:49,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742255369] [2024-12-02 08:09:49,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742255369] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:09:49,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:09:49,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:09:49,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039252479] [2024-12-02 08:09:49,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:09:49,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:09:49,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:09:49,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:09:49,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:09:49,691 INFO L87 Difference]: Start difference. First operand 31374 states and 42781 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 08:09:51,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:09:51,207 INFO L93 Difference]: Finished difference Result 36928 states and 49358 transitions. [2024-12-02 08:09:51,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:09:51,207 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 305 [2024-12-02 08:09:51,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:09:51,315 INFO L225 Difference]: With dead ends: 36928 [2024-12-02 08:09:51,315 INFO L226 Difference]: Without dead ends: 36926 [2024-12-02 08:09:51,331 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:09:51,332 INFO L435 NwaCegarLoop]: 3561 mSDtfsCounter, 2143 mSDsluCounter, 8701 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2144 SdHoareTripleChecker+Valid, 12262 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:09:51,332 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2144 Valid, 12262 Invalid, 39 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 08:09:51,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36926 states. [2024-12-02 08:09:52,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36926 to 36926. [2024-12-02 08:09:52,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36926 states, 26365 states have (on average 1.2514697515645743) internal successors, (32995), 26697 states have internal predecessors, (32995), 8172 states have call successors, (8172), 2397 states have call predecessors, (8172), 2386 states have return successors, (8189), 8075 states have call predecessors, (8189), 8169 states have call successors, (8189) [2024-12-02 08:09:52,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36926 states to 36926 states and 49356 transitions. [2024-12-02 08:09:52,685 INFO L78 Accepts]: Start accepts. Automaton has 36926 states and 49356 transitions. Word has length 305 [2024-12-02 08:09:52,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:09:52,685 INFO L471 AbstractCegarLoop]: Abstraction has 36926 states and 49356 transitions. [2024-12-02 08:09:52,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 08:09:52,686 INFO L276 IsEmpty]: Start isEmpty. Operand 36926 states and 49356 transitions. [2024-12-02 08:09:52,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-12-02 08:09:52,687 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:09:52,687 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 8, 7, 7, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:09:52,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 08:09:52,687 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 08:09:52,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:09:52,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1118786270, now seen corresponding path program 1 times [2024-12-02 08:09:52,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:09:52,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054518073] [2024-12-02 08:09:52,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:09:52,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:09:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:09:58,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1439 trivial. 0 not checked. [2024-12-02 08:09:58,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:09:58,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054518073] [2024-12-02 08:09:58,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054518073] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:09:58,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:09:58,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:09:58,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643774115] [2024-12-02 08:09:58,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:09:58,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:09:58,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:09:58,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:09:58,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:09:58,228 INFO L87 Difference]: Start difference. First operand 36926 states and 49356 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-12-02 08:09:59,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:09:59,650 INFO L93 Difference]: Finished difference Result 36932 states and 49361 transitions. [2024-12-02 08:09:59,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:09:59,651 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 310 [2024-12-02 08:09:59,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:09:59,764 INFO L225 Difference]: With dead ends: 36932 [2024-12-02 08:09:59,764 INFO L226 Difference]: Without dead ends: 36930 [2024-12-02 08:09:59,783 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:09:59,783 INFO L435 NwaCegarLoop]: 3314 mSDtfsCounter, 3230 mSDsluCounter, 6607 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3231 SdHoareTripleChecker+Valid, 9921 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:09:59,783 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3231 Valid, 9921 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:09:59,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36930 states. [2024-12-02 08:10:01,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36930 to 36930. [2024-12-02 08:10:01,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36930 states, 26368 states have (on average 1.251441140776699) internal successors, (32998), 26700 states have internal predecessors, (32998), 8172 states have call successors, (8172), 2398 states have call predecessors, (8172), 2387 states have return successors, (8189), 8075 states have call predecessors, (8189), 8169 states have call successors, (8189) [2024-12-02 08:10:01,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36930 states to 36930 states and 49359 transitions. [2024-12-02 08:10:01,338 INFO L78 Accepts]: Start accepts. Automaton has 36930 states and 49359 transitions. Word has length 310 [2024-12-02 08:10:01,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:10:01,339 INFO L471 AbstractCegarLoop]: Abstraction has 36930 states and 49359 transitions. [2024-12-02 08:10:01,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-12-02 08:10:01,339 INFO L276 IsEmpty]: Start isEmpty. Operand 36930 states and 49359 transitions. [2024-12-02 08:10:01,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2024-12-02 08:10:01,340 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:10:01,340 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 9, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:10:01,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 08:10:01,341 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 08:10:01,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:10:01,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1501764259, now seen corresponding path program 1 times [2024-12-02 08:10:01,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:10:01,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40633180] [2024-12-02 08:10:01,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:01,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:10:06,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:10:07,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1467 trivial. 0 not checked. [2024-12-02 08:10:07,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:10:07,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40633180] [2024-12-02 08:10:07,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40633180] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:10:07,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:10:07,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:10:07,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93043254] [2024-12-02 08:10:07,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:10:07,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:10:07,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:10:07,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:10:07,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:10:07,426 INFO L87 Difference]: Start difference. First operand 36930 states and 49359 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-12-02 08:10:08,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:10:08,974 INFO L93 Difference]: Finished difference Result 36936 states and 49364 transitions. [2024-12-02 08:10:08,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:10:08,974 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 315 [2024-12-02 08:10:08,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:10:09,084 INFO L225 Difference]: With dead ends: 36936 [2024-12-02 08:10:09,084 INFO L226 Difference]: Without dead ends: 36934 [2024-12-02 08:10:09,102 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:10:09,102 INFO L435 NwaCegarLoop]: 3314 mSDtfsCounter, 3229 mSDsluCounter, 6607 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3230 SdHoareTripleChecker+Valid, 9921 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:10:09,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3230 Valid, 9921 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:10:09,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36934 states. [2024-12-02 08:10:10,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36934 to 36934. [2024-12-02 08:10:10,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36934 states, 26371 states have (on average 1.2514125364984263) internal successors, (33001), 26703 states have internal predecessors, (33001), 8172 states have call successors, (8172), 2399 states have call predecessors, (8172), 2388 states have return successors, (8189), 8075 states have call predecessors, (8189), 8169 states have call successors, (8189) [2024-12-02 08:10:10,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36934 states to 36934 states and 49362 transitions. [2024-12-02 08:10:10,719 INFO L78 Accepts]: Start accepts. Automaton has 36934 states and 49362 transitions. Word has length 315 [2024-12-02 08:10:10,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:10:10,720 INFO L471 AbstractCegarLoop]: Abstraction has 36934 states and 49362 transitions. [2024-12-02 08:10:10,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-12-02 08:10:10,720 INFO L276 IsEmpty]: Start isEmpty. Operand 36934 states and 49362 transitions. [2024-12-02 08:10:10,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-12-02 08:10:10,722 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:10:10,722 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 10, 9, 9, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:10:10,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 08:10:10,722 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 08:10:10,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:10:10,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1405600397, now seen corresponding path program 1 times [2024-12-02 08:10:10,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:10:10,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497562537] [2024-12-02 08:10:10,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:10,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:10:16,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:10:16,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 1464 trivial. 0 not checked. [2024-12-02 08:10:16,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:10:16,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497562537] [2024-12-02 08:10:16,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497562537] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:10:16,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:10:16,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:10:16,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549164615] [2024-12-02 08:10:16,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:10:16,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:10:16,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:10:16,738 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:10:16,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:10:16,738 INFO L87 Difference]: Start difference. First operand 36934 states and 49362 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-12-02 08:10:18,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:10:18,452 INFO L93 Difference]: Finished difference Result 36940 states and 49367 transitions. [2024-12-02 08:10:18,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:10:18,452 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 302 [2024-12-02 08:10:18,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:10:18,536 INFO L225 Difference]: With dead ends: 36940 [2024-12-02 08:10:18,536 INFO L226 Difference]: Without dead ends: 36938 [2024-12-02 08:10:18,546 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:10:18,546 INFO L435 NwaCegarLoop]: 3314 mSDtfsCounter, 3239 mSDsluCounter, 6607 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3240 SdHoareTripleChecker+Valid, 9921 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:10:18,546 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3240 Valid, 9921 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:10:18,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36938 states. [2024-12-02 08:10:20,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36938 to 36938. [2024-12-02 08:10:20,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36938 states, 26374 states have (on average 1.2513839387275347) internal successors, (33004), 26706 states have internal predecessors, (33004), 8172 states have call successors, (8172), 2400 states have call predecessors, (8172), 2389 states have return successors, (8189), 8075 states have call predecessors, (8189), 8169 states have call successors, (8189) [2024-12-02 08:10:20,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36938 states to 36938 states and 49365 transitions. [2024-12-02 08:10:20,234 INFO L78 Accepts]: Start accepts. Automaton has 36938 states and 49365 transitions. Word has length 302 [2024-12-02 08:10:20,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:10:20,234 INFO L471 AbstractCegarLoop]: Abstraction has 36938 states and 49365 transitions. [2024-12-02 08:10:20,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-12-02 08:10:20,234 INFO L276 IsEmpty]: Start isEmpty. Operand 36938 states and 49365 transitions. [2024-12-02 08:10:20,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-12-02 08:10:20,236 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:10:20,236 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 11, 10, 10, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:10:20,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 08:10:20,237 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 08:10:20,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:10:20,237 INFO L85 PathProgramCache]: Analyzing trace with hash 422320782, now seen corresponding path program 1 times [2024-12-02 08:10:20,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:10:20,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220380388] [2024-12-02 08:10:20,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:20,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:10:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:10:25,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1500 trivial. 0 not checked. [2024-12-02 08:10:25,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:10:25,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220380388] [2024-12-02 08:10:25,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220380388] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:10:25,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:10:25,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:10:25,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153939043] [2024-12-02 08:10:25,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:10:25,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:10:25,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:10:25,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:10:25,581 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:10:25,581 INFO L87 Difference]: Start difference. First operand 36938 states and 49365 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-12-02 08:10:27,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:10:27,416 INFO L93 Difference]: Finished difference Result 36944 states and 49370 transitions. [2024-12-02 08:10:27,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:10:27,417 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 307 [2024-12-02 08:10:27,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:10:27,518 INFO L225 Difference]: With dead ends: 36944 [2024-12-02 08:10:27,518 INFO L226 Difference]: Without dead ends: 36942 [2024-12-02 08:10:27,535 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:10:27,535 INFO L435 NwaCegarLoop]: 3314 mSDtfsCounter, 3238 mSDsluCounter, 6607 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3239 SdHoareTripleChecker+Valid, 9921 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:10:27,536 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3239 Valid, 9921 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:10:27,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36942 states. [2024-12-02 08:10:29,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36942 to 36942. [2024-12-02 08:10:29,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36942 states, 26377 states have (on average 1.2513553474618038) internal successors, (33007), 26709 states have internal predecessors, (33007), 8172 states have call successors, (8172), 2401 states have call predecessors, (8172), 2390 states have return successors, (8189), 8075 states have call predecessors, (8189), 8169 states have call successors, (8189) [2024-12-02 08:10:29,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36942 states to 36942 states and 49368 transitions. [2024-12-02 08:10:29,337 INFO L78 Accepts]: Start accepts. Automaton has 36942 states and 49368 transitions. Word has length 307 [2024-12-02 08:10:29,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:10:29,337 INFO L471 AbstractCegarLoop]: Abstraction has 36942 states and 49368 transitions. [2024-12-02 08:10:29,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-12-02 08:10:29,337 INFO L276 IsEmpty]: Start isEmpty. Operand 36942 states and 49368 transitions. [2024-12-02 08:10:29,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-12-02 08:10:29,339 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:10:29,339 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 12, 11, 11, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:10:29,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 08:10:29,339 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 08:10:29,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:10:29,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1049670381, now seen corresponding path program 1 times [2024-12-02 08:10:29,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:10:29,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920075270] [2024-12-02 08:10:29,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:29,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:10:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:10:35,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1562 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2024-12-02 08:10:35,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:10:35,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920075270] [2024-12-02 08:10:35,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920075270] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:10:35,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:10:35,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:10:35,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286601678] [2024-12-02 08:10:35,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:10:35,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:10:35,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:10:35,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:10:35,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:10:35,186 INFO L87 Difference]: Start difference. First operand 36942 states and 49368 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-12-02 08:10:37,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:10:37,188 INFO L93 Difference]: Finished difference Result 36948 states and 49373 transitions. [2024-12-02 08:10:37,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:10:37,189 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 312 [2024-12-02 08:10:37,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:10:37,284 INFO L225 Difference]: With dead ends: 36948 [2024-12-02 08:10:37,285 INFO L226 Difference]: Without dead ends: 36946 [2024-12-02 08:10:37,297 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:10:37,298 INFO L435 NwaCegarLoop]: 3314 mSDtfsCounter, 3237 mSDsluCounter, 6607 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3238 SdHoareTripleChecker+Valid, 9921 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:10:37,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3238 Valid, 9921 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:10:37,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36946 states. [2024-12-02 08:10:39,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36946 to 36946. [2024-12-02 08:10:39,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36946 states, 26380 states have (on average 1.2513267626990143) internal successors, (33010), 26712 states have internal predecessors, (33010), 8172 states have call successors, (8172), 2402 states have call predecessors, (8172), 2391 states have return successors, (8189), 8075 states have call predecessors, (8189), 8169 states have call successors, (8189) [2024-12-02 08:10:39,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36946 states to 36946 states and 49371 transitions. [2024-12-02 08:10:39,194 INFO L78 Accepts]: Start accepts. Automaton has 36946 states and 49371 transitions. Word has length 312 [2024-12-02 08:10:39,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:10:39,195 INFO L471 AbstractCegarLoop]: Abstraction has 36946 states and 49371 transitions. [2024-12-02 08:10:39,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-12-02 08:10:39,195 INFO L276 IsEmpty]: Start isEmpty. Operand 36946 states and 49371 transitions. [2024-12-02 08:10:39,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2024-12-02 08:10:39,197 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:10:39,197 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 13, 12, 12, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:10:39,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 08:10:39,197 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 08:10:39,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:10:39,197 INFO L85 PathProgramCache]: Analyzing trace with hash 787891741, now seen corresponding path program 1 times [2024-12-02 08:10:39,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:10:39,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447604485] [2024-12-02 08:10:39,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:39,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:10:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:10:44,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1643 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 1619 trivial. 0 not checked. [2024-12-02 08:10:44,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:10:44,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447604485] [2024-12-02 08:10:44,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447604485] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:10:44,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:10:44,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:10:44,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308261275] [2024-12-02 08:10:44,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:10:44,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:10:44,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:10:44,683 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:10:44,683 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:10:44,683 INFO L87 Difference]: Start difference. First operand 36946 states and 49371 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-12-02 08:10:46,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:10:46,599 INFO L93 Difference]: Finished difference Result 36952 states and 49376 transitions. [2024-12-02 08:10:46,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:10:46,600 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 335 [2024-12-02 08:10:46,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:10:46,681 INFO L225 Difference]: With dead ends: 36952 [2024-12-02 08:10:46,681 INFO L226 Difference]: Without dead ends: 36950 [2024-12-02 08:10:46,691 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:10:46,691 INFO L435 NwaCegarLoop]: 3314 mSDtfsCounter, 3225 mSDsluCounter, 6607 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3226 SdHoareTripleChecker+Valid, 9921 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:10:46,691 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3226 Valid, 9921 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:10:46,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36950 states. [2024-12-02 08:10:48,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36950 to 36950. [2024-12-02 08:10:48,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36950 states, 26383 states have (on average 1.251298184436948) internal successors, (33013), 26715 states have internal predecessors, (33013), 8172 states have call successors, (8172), 2403 states have call predecessors, (8172), 2392 states have return successors, (8189), 8075 states have call predecessors, (8189), 8169 states have call successors, (8189) [2024-12-02 08:10:48,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36950 states to 36950 states and 49374 transitions. [2024-12-02 08:10:48,719 INFO L78 Accepts]: Start accepts. Automaton has 36950 states and 49374 transitions. Word has length 335 [2024-12-02 08:10:48,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:10:48,719 INFO L471 AbstractCegarLoop]: Abstraction has 36950 states and 49374 transitions. [2024-12-02 08:10:48,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-12-02 08:10:48,720 INFO L276 IsEmpty]: Start isEmpty. Operand 36950 states and 49374 transitions. [2024-12-02 08:10:48,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-12-02 08:10:48,722 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:10:48,722 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 14, 13, 13, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:10:48,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 08:10:48,722 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 08:10:48,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:10:48,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1356702899, now seen corresponding path program 1 times [2024-12-02 08:10:48,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:10:48,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687464599] [2024-12-02 08:10:48,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:48,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:10:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:10:54,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1658 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 1632 trivial. 0 not checked. [2024-12-02 08:10:54,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:10:54,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687464599] [2024-12-02 08:10:54,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687464599] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:10:54,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:10:54,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:10:54,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450177007] [2024-12-02 08:10:54,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:10:54,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:10:54,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:10:54,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:10:54,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:10:54,280 INFO L87 Difference]: Start difference. First operand 36950 states and 49374 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-12-02 08:10:56,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:10:56,399 INFO L93 Difference]: Finished difference Result 36956 states and 49379 transitions. [2024-12-02 08:10:56,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:10:56,399 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 322 [2024-12-02 08:10:56,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:10:56,499 INFO L225 Difference]: With dead ends: 36956 [2024-12-02 08:10:56,499 INFO L226 Difference]: Without dead ends: 36952 [2024-12-02 08:10:56,517 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:10:56,517 INFO L435 NwaCegarLoop]: 3314 mSDtfsCounter, 3235 mSDsluCounter, 6607 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3236 SdHoareTripleChecker+Valid, 9921 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:10:56,518 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3236 Valid, 9921 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:10:56,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36952 states. [2024-12-02 08:10:58,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36952 to 36952. [2024-12-02 08:10:58,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36952 states, 26385 states have (on average 1.2512412355505023) internal successors, (33014), 26716 states have internal predecessors, (33014), 8172 states have call successors, (8172), 2404 states have call predecessors, (8172), 2392 states have return successors, (8189), 8075 states have call predecessors, (8189), 8169 states have call successors, (8189) [2024-12-02 08:10:58,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36952 states to 36952 states and 49375 transitions. [2024-12-02 08:10:58,580 INFO L78 Accepts]: Start accepts. Automaton has 36952 states and 49375 transitions. Word has length 322 [2024-12-02 08:10:58,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:10:58,581 INFO L471 AbstractCegarLoop]: Abstraction has 36952 states and 49375 transitions. [2024-12-02 08:10:58,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-12-02 08:10:58,581 INFO L276 IsEmpty]: Start isEmpty. Operand 36952 states and 49375 transitions. [2024-12-02 08:10:58,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2024-12-02 08:10:58,583 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:10:58,583 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 15, 14, 14, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:10:58,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 08:10:58,583 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 08:10:58,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:10:58,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1946585725, now seen corresponding path program 1 times [2024-12-02 08:10:58,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:10:58,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324664754] [2024-12-02 08:10:58,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:58,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:11:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:11:04,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1747 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 1719 trivial. 0 not checked. [2024-12-02 08:11:04,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:11:04,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324664754] [2024-12-02 08:11:04,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324664754] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:11:04,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:11:04,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:11:04,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917260417] [2024-12-02 08:11:04,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:11:04,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:11:04,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:11:04,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:11:04,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:11:04,652 INFO L87 Difference]: Start difference. First operand 36952 states and 49375 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-12-02 08:11:06,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:11:06,788 INFO L93 Difference]: Finished difference Result 36952 states and 49375 transitions. [2024-12-02 08:11:06,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:11:06,788 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 345 [2024-12-02 08:11:06,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:11:06,885 INFO L225 Difference]: With dead ends: 36952 [2024-12-02 08:11:06,885 INFO L226 Difference]: Without dead ends: 36713 [2024-12-02 08:11:06,988 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:11:06,988 INFO L435 NwaCegarLoop]: 3312 mSDtfsCounter, 3220 mSDsluCounter, 6605 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3220 SdHoareTripleChecker+Valid, 9917 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:11:06,989 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3220 Valid, 9917 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:11:07,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36713 states. [2024-12-02 08:11:09,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36713 to 36713. [2024-12-02 08:11:09,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36713 states, 26234 states have (on average 1.250933902569185) internal successors, (32817), 26541 states have internal predecessors, (32817), 8102 states have call successors, (8102), 2385 states have call predecessors, (8102), 2375 states have return successors, (8122), 8030 states have call predecessors, (8122), 8102 states have call successors, (8122) [2024-12-02 08:11:09,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36713 states to 36713 states and 49041 transitions. [2024-12-02 08:11:09,356 INFO L78 Accepts]: Start accepts. Automaton has 36713 states and 49041 transitions. Word has length 345 [2024-12-02 08:11:09,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:11:09,356 INFO L471 AbstractCegarLoop]: Abstraction has 36713 states and 49041 transitions. [2024-12-02 08:11:09,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-12-02 08:11:09,357 INFO L276 IsEmpty]: Start isEmpty. Operand 36713 states and 49041 transitions. [2024-12-02 08:11:09,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2024-12-02 08:11:09,362 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:11:09,362 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 16, 16, 16, 16, 16, 16, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:11:09,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 08:11:09,362 INFO L396 AbstractCegarLoop]: === Iteration 22 === 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)] === [2024-12-02 08:11:09,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:11:09,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1241184492, now seen corresponding path program 1 times [2024-12-02 08:11:09,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:11:09,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597075657] [2024-12-02 08:11:09,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:11:09,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:11:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:11:15,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1552 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2024-12-02 08:11:15,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:11:15,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597075657] [2024-12-02 08:11:15,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597075657] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:11:15,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:11:15,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:11:15,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481427857] [2024-12-02 08:11:15,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:11:15,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:11:15,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:11:15,404 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:11:15,404 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:11:15,404 INFO L87 Difference]: Start difference. First operand 36713 states and 49041 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-12-02 08:11:18,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:11:18,576 INFO L93 Difference]: Finished difference Result 83568 states and 111494 transitions. [2024-12-02 08:11:18,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:11:18,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 352 [2024-12-02 08:11:18,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:11:18,686 INFO L225 Difference]: With dead ends: 83568 [2024-12-02 08:11:18,687 INFO L226 Difference]: Without dead ends: 46933 [2024-12-02 08:11:18,751 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:11:18,752 INFO L435 NwaCegarLoop]: 3692 mSDtfsCounter, 3204 mSDsluCounter, 2696 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3204 SdHoareTripleChecker+Valid, 6388 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 08:11:18,752 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3204 Valid, 6388 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 08:11:18,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46933 states. [2024-12-02 08:11:21,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46933 to 46925. [2024-12-02 08:11:21,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46925 states, 33578 states have (on average 1.251265709690869) internal successors, (42015), 33959 states have internal predecessors, (42015), 10250 states have call successors, (10250), 3113 states have call predecessors, (10250), 3095 states have return successors, (10272), 10164 states have call predecessors, (10272), 10250 states have call successors, (10272) [2024-12-02 08:11:21,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46925 states to 46925 states and 62537 transitions. [2024-12-02 08:11:21,717 INFO L78 Accepts]: Start accepts. Automaton has 46925 states and 62537 transitions. Word has length 352 [2024-12-02 08:11:21,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:11:21,718 INFO L471 AbstractCegarLoop]: Abstraction has 46925 states and 62537 transitions. [2024-12-02 08:11:21,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-12-02 08:11:21,718 INFO L276 IsEmpty]: Start isEmpty. Operand 46925 states and 62537 transitions. [2024-12-02 08:11:21,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2024-12-02 08:11:21,720 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:11:21,721 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 16, 16, 16, 16, 16, 16, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:11:21,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 08:11:21,721 INFO L396 AbstractCegarLoop]: === Iteration 23 === 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)] === [2024-12-02 08:11:21,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:11:21,721 INFO L85 PathProgramCache]: Analyzing trace with hash 766960531, now seen corresponding path program 1 times [2024-12-02 08:11:21,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:11:21,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284576021] [2024-12-02 08:11:21,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:11:21,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:11:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:11:27,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1555 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2024-12-02 08:11:27,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:11:27,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284576021] [2024-12-02 08:11:27,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284576021] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:11:27,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:11:27,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:11:27,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158738566] [2024-12-02 08:11:27,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:11:27,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:11:27,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:11:27,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:11:27,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:11:27,515 INFO L87 Difference]: Start difference. First operand 46925 states and 62537 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-12-02 08:11:31,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:11:35,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:11:35,984 INFO L93 Difference]: Finished difference Result 105746 states and 140879 transitions. [2024-12-02 08:11:35,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:11:35,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 357 [2024-12-02 08:11:35,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:11:36,138 INFO L225 Difference]: With dead ends: 105746 [2024-12-02 08:11:36,138 INFO L226 Difference]: Without dead ends: 58899 [2024-12-02 08:11:36,224 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:11:36,224 INFO L435 NwaCegarLoop]: 5862 mSDtfsCounter, 2876 mSDsluCounter, 2956 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2876 SdHoareTripleChecker+Valid, 8818 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:11:36,224 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2876 Valid, 8818 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-12-02 08:11:36,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58899 states. [2024-12-02 08:11:40,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58899 to 58891. [2024-12-02 08:11:40,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58891 states, 42154 states have (on average 1.2492052948711867) internal successors, (52659), 42613 states have internal predecessors, (52659), 12824 states have call successors, (12824), 3931 states have call predecessors, (12824), 3911 states have return successors, (12848), 12728 states have call predecessors, (12848), 12824 states have call successors, (12848) [2024-12-02 08:11:40,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58891 states to 58891 states and 78331 transitions. [2024-12-02 08:11:40,367 INFO L78 Accepts]: Start accepts. Automaton has 58891 states and 78331 transitions. Word has length 357 [2024-12-02 08:11:40,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:11:40,367 INFO L471 AbstractCegarLoop]: Abstraction has 58891 states and 78331 transitions. [2024-12-02 08:11:40,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-12-02 08:11:40,367 INFO L276 IsEmpty]: Start isEmpty. Operand 58891 states and 78331 transitions. [2024-12-02 08:11:40,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2024-12-02 08:11:40,370 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:11:40,370 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 16, 16, 16, 16, 16, 16, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:11:40,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 08:11:40,370 INFO L396 AbstractCegarLoop]: === Iteration 24 === 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)] === [2024-12-02 08:11:40,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:11:40,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1682639599, now seen corresponding path program 1 times [2024-12-02 08:11:40,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:11:40,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272552146] [2024-12-02 08:11:40,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:11:40,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:11:45,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:11:45,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1555 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2024-12-02 08:11:45,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:11:45,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272552146] [2024-12-02 08:11:45,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272552146] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:11:45,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:11:45,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:11:45,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482960887] [2024-12-02 08:11:45,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:11:45,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:11:45,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:11:45,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:11:45,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:11:45,524 INFO L87 Difference]: Start difference. First operand 58891 states and 78331 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-12-02 08:11:49,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:11:54,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:11:54,277 INFO L93 Difference]: Finished difference Result 126901 states and 168931 transitions. [2024-12-02 08:11:54,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:11:54,277 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 357 [2024-12-02 08:11:54,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:11:54,459 INFO L225 Difference]: With dead ends: 126901 [2024-12-02 08:11:54,459 INFO L226 Difference]: Without dead ends: 68045 [2024-12-02 08:11:54,557 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:11:54,557 INFO L435 NwaCegarLoop]: 5864 mSDtfsCounter, 2611 mSDsluCounter, 3199 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2611 SdHoareTripleChecker+Valid, 9063 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:11:54,558 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2611 Valid, 9063 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 65 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-12-02 08:11:54,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68045 states. [2024-12-02 08:11:59,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68045 to 68037. [2024-12-02 08:11:59,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68037 states, 48825 states have (on average 1.250937019969278) internal successors, (61077), 49342 states have internal predecessors, (61077), 14727 states have call successors, (14727), 4503 states have call predecessors, (14727), 4483 states have return successors, (14753), 14625 states have call predecessors, (14753), 14727 states have call successors, (14753) [2024-12-02 08:11:59,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68037 states to 68037 states and 90557 transitions. [2024-12-02 08:11:59,509 INFO L78 Accepts]: Start accepts. Automaton has 68037 states and 90557 transitions. Word has length 357 [2024-12-02 08:11:59,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:11:59,510 INFO L471 AbstractCegarLoop]: Abstraction has 68037 states and 90557 transitions. [2024-12-02 08:11:59,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-12-02 08:11:59,510 INFO L276 IsEmpty]: Start isEmpty. Operand 68037 states and 90557 transitions. [2024-12-02 08:11:59,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2024-12-02 08:11:59,513 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:11:59,513 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 16, 16, 16, 16, 16, 16, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:11:59,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 08:11:59,514 INFO L396 AbstractCegarLoop]: === Iteration 25 === 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)] === [2024-12-02 08:11:59,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:11:59,514 INFO L85 PathProgramCache]: Analyzing trace with hash -651735164, now seen corresponding path program 1 times [2024-12-02 08:11:59,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:11:59,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408737602] [2024-12-02 08:11:59,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:11:59,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:12:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:12:04,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1801 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 1771 trivial. 0 not checked. [2024-12-02 08:12:04,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:12:04,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408737602] [2024-12-02 08:12:04,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408737602] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:12:04,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:12:04,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:12:04,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439046230] [2024-12-02 08:12:04,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:12:04,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:12:04,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:12:04,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:12:04,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:12:04,678 INFO L87 Difference]: Start difference. First operand 68037 states and 90557 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-12-02 08:12:08,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:12:14,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:12:14,011 INFO L93 Difference]: Finished difference Result 145206 states and 193403 transitions. [2024-12-02 08:12:14,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:12:14,012 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 412 [2024-12-02 08:12:14,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:12:14,236 INFO L225 Difference]: With dead ends: 145206 [2024-12-02 08:12:14,236 INFO L226 Difference]: Without dead ends: 77247 [2024-12-02 08:12:14,356 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:12:14,357 INFO L435 NwaCegarLoop]: 4816 mSDtfsCounter, 2613 mSDsluCounter, 3198 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2613 SdHoareTripleChecker+Valid, 8014 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:12:14,357 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2613 Valid, 8014 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 08:12:14,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77247 states. [2024-12-02 08:12:18,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77247 to 77239. [2024-12-02 08:12:18,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77239 states, 55547 states have (on average 1.252218841701622) internal successors, (69557), 56122 states have internal predecessors, (69557), 16633 states have call successors, (16633), 5077 states have call predecessors, (16633), 5057 states have return successors, (16661), 16525 states have call predecessors, (16661), 16633 states have call successors, (16661) [2024-12-02 08:12:18,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77239 states to 77239 states and 102851 transitions. [2024-12-02 08:12:18,888 INFO L78 Accepts]: Start accepts. Automaton has 77239 states and 102851 transitions. Word has length 412 [2024-12-02 08:12:18,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:12:18,889 INFO L471 AbstractCegarLoop]: Abstraction has 77239 states and 102851 transitions. [2024-12-02 08:12:18,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-12-02 08:12:18,889 INFO L276 IsEmpty]: Start isEmpty. Operand 77239 states and 102851 transitions. [2024-12-02 08:12:18,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2024-12-02 08:12:18,892 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:12:18,892 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 16, 16, 16, 16, 16, 16, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:12:18,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 08:12:18,892 INFO L396 AbstractCegarLoop]: === Iteration 26 === 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)] === [2024-12-02 08:12:18,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:12:18,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1797864966, now seen corresponding path program 1 times [2024-12-02 08:12:18,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:12:18,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480962892] [2024-12-02 08:12:18,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:12:18,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:12:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:12:24,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1801 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 1771 trivial. 0 not checked. [2024-12-02 08:12:24,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:12:24,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480962892] [2024-12-02 08:12:24,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480962892] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:12:24,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:12:24,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:12:24,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447123163] [2024-12-02 08:12:24,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:12:24,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:12:24,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:12:24,941 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:12:24,941 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:12:24,941 INFO L87 Difference]: Start difference. First operand 77239 states and 102851 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-12-02 08:12:28,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:12:34,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:12:34,954 INFO L93 Difference]: Finished difference Result 163706 states and 218111 transitions. [2024-12-02 08:12:34,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:12:34,954 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 412 [2024-12-02 08:12:34,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:12:35,227 INFO L225 Difference]: With dead ends: 163706 [2024-12-02 08:12:35,227 INFO L226 Difference]: Without dead ends: 86545 [2024-12-02 08:12:35,382 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:12:35,382 INFO L435 NwaCegarLoop]: 5864 mSDtfsCounter, 2626 mSDsluCounter, 3199 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2626 SdHoareTripleChecker+Valid, 9063 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:12:35,382 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2626 Valid, 9063 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 69 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 08:12:35,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86545 states. [2024-12-02 08:12:40,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86545 to 86537. [2024-12-02 08:12:40,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86537 states, 62349 states have (on average 1.2531556239875539) internal successors, (78133), 62982 states have internal predecessors, (78133), 18547 states have call successors, (18547), 5659 states have call predecessors, (18547), 5639 states have return successors, (18577), 18433 states have call predecessors, (18577), 18547 states have call successors, (18577) [2024-12-02 08:12:40,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86537 states to 86537 states and 115257 transitions. [2024-12-02 08:12:40,348 INFO L78 Accepts]: Start accepts. Automaton has 86537 states and 115257 transitions. Word has length 412 [2024-12-02 08:12:40,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:12:40,349 INFO L471 AbstractCegarLoop]: Abstraction has 86537 states and 115257 transitions. [2024-12-02 08:12:40,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-12-02 08:12:40,349 INFO L276 IsEmpty]: Start isEmpty. Operand 86537 states and 115257 transitions. [2024-12-02 08:12:40,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2024-12-02 08:12:40,353 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:12:40,353 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 16, 16, 16, 16, 16, 16, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:12:40,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 08:12:40,353 INFO L396 AbstractCegarLoop]: === Iteration 27 === 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)] === [2024-12-02 08:12:40,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:12:40,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1052242111, now seen corresponding path program 1 times [2024-12-02 08:12:40,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:12:40,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738749253] [2024-12-02 08:12:40,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:12:40,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:12:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:12:46,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2037 trivial. 0 not checked. [2024-12-02 08:12:46,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:12:46,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738749253] [2024-12-02 08:12:46,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738749253] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:12:46,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:12:46,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:12:46,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602198524] [2024-12-02 08:12:46,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:12:46,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:12:46,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:12:46,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:12:46,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:12:46,240 INFO L87 Difference]: Start difference. First operand 86537 states and 115257 transitions. Second operand has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 2 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-12-02 08:12:50,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:12:50,857 INFO L93 Difference]: Finished difference Result 86537 states and 115257 transitions. [2024-12-02 08:12:50,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:12:50,858 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 2 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 448 [2024-12-02 08:12:50,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:12:51,117 INFO L225 Difference]: With dead ends: 86537 [2024-12-02 08:12:51,117 INFO L226 Difference]: Without dead ends: 86535 [2024-12-02 08:12:51,142 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:12:51,143 INFO L435 NwaCegarLoop]: 3463 mSDtfsCounter, 2042 mSDsluCounter, 8525 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2043 SdHoareTripleChecker+Valid, 11988 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:12:51,143 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2043 Valid, 11988 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:12:51,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86535 states. [2024-12-02 08:12:55,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86535 to 86535. [2024-12-02 08:12:56,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86535 states, 62348 states have (on average 1.2523256559953808) internal successors, (78080), 62980 states have internal predecessors, (78080), 18547 states have call successors, (18547), 5659 states have call predecessors, (18547), 5639 states have return successors, (18577), 18433 states have call predecessors, (18577), 18547 states have call successors, (18577) [2024-12-02 08:12:56,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86535 states to 86535 states and 115204 transitions. [2024-12-02 08:12:56,313 INFO L78 Accepts]: Start accepts. Automaton has 86535 states and 115204 transitions. Word has length 448 [2024-12-02 08:12:56,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:12:56,314 INFO L471 AbstractCegarLoop]: Abstraction has 86535 states and 115204 transitions. [2024-12-02 08:12:56,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 2 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-12-02 08:12:56,314 INFO L276 IsEmpty]: Start isEmpty. Operand 86535 states and 115204 transitions. [2024-12-02 08:12:56,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2024-12-02 08:12:56,320 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:12:56,320 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 16, 16, 16, 16, 16, 16, 12, 12, 12, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:12:56,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 08:12:56,321 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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)] === [2024-12-02 08:12:56,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:12:56,321 INFO L85 PathProgramCache]: Analyzing trace with hash 11195721, now seen corresponding path program 1 times [2024-12-02 08:12:56,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:12:56,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277224282] [2024-12-02 08:12:56,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:12:56,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:13:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:13:03,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2084 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2084 trivial. 0 not checked. [2024-12-02 08:13:03,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:13:03,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277224282] [2024-12-02 08:13:03,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277224282] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:13:03,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:13:03,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:13:03,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941613727] [2024-12-02 08:13:03,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:13:03,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:13:03,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:13:03,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:13:03,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:13:03,062 INFO L87 Difference]: Start difference. First operand 86535 states and 115204 transitions. Second operand has 5 states, 5 states have (on average 28.6) internal successors, (143), 4 states have internal predecessors, (143), 2 states have call successors, (50), 3 states have call predecessors, (50), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-12-02 08:13:07,239 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 [] [2024-12-02 08:13:12,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:13:12,269 INFO L93 Difference]: Finished difference Result 86535 states and 115204 transitions. [2024-12-02 08:13:12,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:13:12,269 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 4 states have internal predecessors, (143), 2 states have call successors, (50), 3 states have call predecessors, (50), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 486 [2024-12-02 08:13:12,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:13:12,336 INFO L225 Difference]: With dead ends: 86535 [2024-12-02 08:13:12,336 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 08:13:12,449 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:13:12,449 INFO L435 NwaCegarLoop]: 3561 mSDtfsCounter, 1595 mSDsluCounter, 9283 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1596 SdHoareTripleChecker+Valid, 12844 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 08:13:12,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1596 Valid, 12844 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 08:13:12,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 08:13:12,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 08:13:12,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:13:12,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 08:13:12,502 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 486 [2024-12-02 08:13:12,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:13:12,502 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 08:13:12,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 4 states have internal predecessors, (143), 2 states have call successors, (50), 3 states have call predecessors, (50), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-12-02 08:13:12,502 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 08:13:12,503 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 08:13:12,505 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-12-02 08:13:12,505 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-12-02 08:13:12,505 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2024-12-02 08:13:12,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 08:13:12,507 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:13:12,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 08:14:17,634 WARN L286 SmtUtils]: Spent 12.47s on a formula simplification. DAG size of input: 293 DAG size of output: 36 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:14:31,424 WARN L286 SmtUtils]: Spent 13.75s on a formula simplification. DAG size of input: 301 DAG size of output: 36 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:14:52,371 WARN L286 SmtUtils]: Spent 14.04s on a formula simplification. DAG size of input: 337 DAG size of output: 36 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:14:59,096 WARN L286 SmtUtils]: Spent 6.70s on a formula simplification. DAG size of input: 205 DAG size of output: 39 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:15:19,415 WARN L286 SmtUtils]: Spent 12.28s on a formula simplification. DAG size of input: 293 DAG size of output: 36 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:15:26,187 WARN L286 SmtUtils]: Spent 6.74s on a formula simplification. DAG size of input: 205 DAG size of output: 39 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:15:39,285 WARN L286 SmtUtils]: Spent 13.08s on a formula simplification. DAG size of input: 297 DAG size of output: 36 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:15:52,149 WARN L286 SmtUtils]: Spent 12.85s on a formula simplification. DAG size of input: 329 DAG size of output: 36 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:16:04,710 WARN L286 SmtUtils]: Spent 10.89s on a formula simplification. DAG size of input: 255 DAG size of output: 44 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:16:23,276 WARN L286 SmtUtils]: Spent 8.56s on a formula simplification. DAG size of input: 213 DAG size of output: 41 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:16:39,287 WARN L286 SmtUtils]: Spent 13.16s on a formula simplification. DAG size of input: 297 DAG size of output: 36 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:16:46,468 WARN L286 SmtUtils]: Spent 6.82s on a formula simplification. DAG size of input: 205 DAG size of output: 39 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:17:00,589 WARN L286 SmtUtils]: Spent 5.56s on a formula simplification. DAG size of input: 156 DAG size of output: 41 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:17:12,620 WARN L286 SmtUtils]: Spent 10.87s on a formula simplification. DAG size of input: 255 DAG size of output: 44 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:17:30,949 WARN L286 SmtUtils]: Spent 14.73s on a formula simplification. DAG size of input: 341 DAG size of output: 36 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:17:53,873 WARN L286 SmtUtils]: Spent 13.05s on a formula simplification. DAG size of input: 297 DAG size of output: 36 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:18:02,824 WARN L286 SmtUtils]: Spent 6.82s on a formula simplification. DAG size of input: 205 DAG size of output: 39 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:18:17,517 WARN L286 SmtUtils]: Spent 13.08s on a formula simplification. DAG size of input: 293 DAG size of output: 36 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:18:33,327 WARN L286 SmtUtils]: Spent 12.43s on a formula simplification. DAG size of input: 293 DAG size of output: 36 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:18:41,302 WARN L286 SmtUtils]: Spent 6.81s on a formula simplification. DAG size of input: 205 DAG size of output: 39 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:18:49,288 WARN L286 SmtUtils]: Spent 6.76s on a formula simplification. DAG size of input: 205 DAG size of output: 39 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:18:55,247 WARN L286 SmtUtils]: Spent 5.94s on a formula simplification. DAG size of input: 199 DAG size of output: 32 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:19:05,996 WARN L286 SmtUtils]: Spent 5.62s on a formula simplification. DAG size of input: 156 DAG size of output: 41 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:19:24,100 WARN L286 SmtUtils]: Spent 10.94s on a formula simplification. DAG size of input: 255 DAG size of output: 44 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:19:35,857 WARN L286 SmtUtils]: Spent 6.63s on a formula simplification. DAG size of input: 219 DAG size of output: 33 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:19:56,292 WARN L286 SmtUtils]: Spent 10.95s on a formula simplification. DAG size of input: 255 DAG size of output: 44 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:20:02,037 WARN L286 SmtUtils]: Spent 5.74s on a formula simplification. DAG size of input: 156 DAG size of output: 41 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:20:18,380 WARN L286 SmtUtils]: Spent 13.00s on a formula simplification. DAG size of input: 327 DAG size of output: 36 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:20:35,209 WARN L286 SmtUtils]: Spent 7.41s on a formula simplification. DAG size of input: 198 DAG size of output: 32 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:20:47,864 WARN L286 SmtUtils]: Spent 12.63s on a formula simplification. DAG size of input: 317 DAG size of output: 36 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:20:53,439 WARN L286 SmtUtils]: Spent 5.57s on a formula simplification. DAG size of input: 156 DAG size of output: 41 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter)