./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 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b97f39a-c88b-4693-829d-265a2fe2ba82/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b97f39a-c88b-4693-829d-265a2fe2ba82/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b97f39a-c88b-4693-829d-265a2fe2ba82/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b97f39a-c88b-4693-829d-265a2fe2ba82/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b97f39a-c88b-4693-829d-265a2fe2ba82/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b97f39a-c88b-4693-829d-265a2fe2ba82/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bdbaacac7560cb4317515ea94aeb4341c343c1b3a78ea4f9610ad493958cf26e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:17:21,805 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:17:21,864 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b97f39a-c88b-4693-829d-265a2fe2ba82/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 01:17:21,870 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:17:21,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:17:21,907 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:17:21,907 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:17:21,907 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:17:21,908 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:17:21,908 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:17:21,908 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:17:21,908 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:17:21,908 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:17:21,908 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:17:21,908 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:17:21,909 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:17:21,909 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:17:21,909 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:17:21,909 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:17:21,909 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:17:21,909 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:17:21,909 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:17:21,909 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:17:21,909 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:17:21,910 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:17:21,910 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:17:21,910 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:17:21,910 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:17:21,910 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:17:21,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:17:21,910 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:17:21,910 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:17:21,910 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:17:21,911 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:17:21,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:17:21,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:17:21,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:17:21,912 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:17:21,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:17:21,912 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:17:21,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:17:21,912 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:17:21,912 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:17:21,912 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:17:21,913 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:17:21,913 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_8b97f39a-c88b-4693-829d-265a2fe2ba82/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdbaacac7560cb4317515ea94aeb4341c343c1b3a78ea4f9610ad493958cf26e [2024-11-24 01:17:22,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:17:22,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:17:22,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:17:22,231 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:17:22,231 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:17:22,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b97f39a-c88b-4693-829d-265a2fe2ba82/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i [2024-11-24 01:17:25,128 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b97f39a-c88b-4693-829d-265a2fe2ba82/bin/uautomizer-verify-LYvppIcaGC/data/63aaf1c9e/6ce6e4f5007d4838908e1c6c1e9adbb6/FLAGb89add889 [2024-11-24 01:17:26,064 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:17:26,065 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b97f39a-c88b-4693-829d-265a2fe2ba82/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i [2024-11-24 01:17:26,135 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b97f39a-c88b-4693-829d-265a2fe2ba82/bin/uautomizer-verify-LYvppIcaGC/data/63aaf1c9e/6ce6e4f5007d4838908e1c6c1e9adbb6/FLAGb89add889 [2024-11-24 01:17:26,156 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b97f39a-c88b-4693-829d-265a2fe2ba82/bin/uautomizer-verify-LYvppIcaGC/data/63aaf1c9e/6ce6e4f5007d4838908e1c6c1e9adbb6 [2024-11-24 01:17:26,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:17:26,160 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:17:26,163 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:17:26,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:17:26,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:17:26,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:17:26" (1/1) ... [2024-11-24 01:17:26,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@584ee3c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:26, skipping insertion in model container [2024-11-24 01:17:26,172 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:17:26" (1/1) ... [2024-11-24 01:17:26,327 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:17:29,819 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_8b97f39a-c88b-4693-829d-265a2fe2ba82/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] [2024-11-24 01:17:29,823 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_8b97f39a-c88b-4693-829d-265a2fe2ba82/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] [2024-11-24 01:17:29,823 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_8b97f39a-c88b-4693-829d-265a2fe2ba82/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] [2024-11-24 01:17:29,824 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_8b97f39a-c88b-4693-829d-265a2fe2ba82/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] [2024-11-24 01:17:29,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:17:29,938 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:17:30,118 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] [2024-11-24 01:17:30,121 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] [2024-11-24 01:17:30,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5837] [2024-11-24 01:17:30,124 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] [2024-11-24 01:17:30,124 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] [2024-11-24 01:17:30,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [6028] [2024-11-24 01:17:30,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [6036] [2024-11-24 01:17:30,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6044] [2024-11-24 01:17:30,132 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [6051] [2024-11-24 01:17:30,132 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [6058] [2024-11-24 01:17:30,132 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6065] [2024-11-24 01:17:30,135 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] [2024-11-24 01:17:30,147 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] [2024-11-24 01:17:30,150 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] [2024-11-24 01:17:30,162 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] [2024-11-24 01:17:30,163 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6578] [2024-11-24 01:17:30,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6736] [2024-11-24 01:17:30,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6776] [2024-11-24 01:17:30,201 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" (487), "i" (12UL)); [7262-7263] [2024-11-24 01:17:30,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7547] [2024-11-24 01:17:30,217 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] [2024-11-24 01:17:30,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7787] [2024-11-24 01:17:30,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7820] [2024-11-24 01:17:30,239 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] [2024-11-24 01:17:30,241 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7889] [2024-11-24 01:17:30,241 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7891] [2024-11-24 01:17:30,242 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7906] [2024-11-24 01:17:30,243 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] [2024-11-24 01:17:30,244 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7923] [2024-11-24 01:17:30,305 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] [2024-11-24 01:17:30,312 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] [2024-11-24 01:17:30,559 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_8b97f39a-c88b-4693-829d-265a2fe2ba82/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] [2024-11-24 01:17:30,560 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_8b97f39a-c88b-4693-829d-265a2fe2ba82/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] [2024-11-24 01:17:30,560 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_8b97f39a-c88b-4693-829d-265a2fe2ba82/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] [2024-11-24 01:17:30,560 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_8b97f39a-c88b-4693-829d-265a2fe2ba82/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] [2024-11-24 01:17:30,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:17:30,847 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:17:30,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:30 WrapperNode [2024-11-24 01:17:30,849 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:17:30,850 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:17:30,850 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:17:30,850 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:17:30,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:30" (1/1) ... [2024-11-24 01:17:30,979 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:30" (1/1) ... [2024-11-24 01:17:31,291 INFO L138 Inliner]: procedures = 540, calls = 2760, calls flagged for inlining = 276, calls inlined = 247, statements flattened = 6752 [2024-11-24 01:17:31,292 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:17:31,293 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:17:31,293 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:17:31,294 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:17:31,303 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:30" (1/1) ... [2024-11-24 01:17:31,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:30" (1/1) ... [2024-11-24 01:17:31,347 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:30" (1/1) ... [2024-11-24 01:17:33,016 INFO L175 MemorySlicer]: Split 1417 memory accesses to 19 slices as follows [62, 2, 57, 7, 8, 52, 7, 3, 3, 7, 42, 13, 1, 2, 2, 2, 7, 1139, 1]. 80 percent of accesses are in the largest equivalence class. The 568 initializations are split as follows [62, 2, 0, 7, 8, 0, 7, 1, 0, 7, 0, 0, 0, 0, 0, 0, 7, 466, 1]. The 395 writes are split as follows [0, 0, 57, 0, 0, 42, 0, 0, 1, 0, 36, 7, 0, 1, 1, 0, 0, 250, 0]. [2024-11-24 01:17:33,017 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:30" (1/1) ... [2024-11-24 01:17:33,017 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:30" (1/1) ... [2024-11-24 01:17:33,207 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:30" (1/1) ... [2024-11-24 01:17:33,224 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:30" (1/1) ... [2024-11-24 01:17:33,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:30" (1/1) ... [2024-11-24 01:17:33,333 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:30" (1/1) ... [2024-11-24 01:17:33,358 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:30" (1/1) ... [2024-11-24 01:17:33,440 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:17:33,441 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:17:33,443 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:17:33,444 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:17:33,445 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:30" (1/1) ... [2024-11-24 01:17:33,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:17:33,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b97f39a-c88b-4693-829d-265a2fe2ba82/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:17:33,483 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b97f39a-c88b-4693-829d-265a2fe2ba82/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:17:33,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b97f39a-c88b-4693-829d-265a2fe2ba82/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:17:33,521 INFO L130 BoogieDeclarations]: Found specification of procedure mii_check_media [2024-11-24 01:17:33,521 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_check_media [2024-11-24 01:17:33,521 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-24 01:17:33,522 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-24 01:17:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-24 01:17:33,522 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-24 01:17:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-24 01:17:33,522 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-24 01:17:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-24 01:17:33,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-24 01:17:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_78 [2024-11-24 01:17:33,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_78 [2024-11-24 01:17:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-24 01:17:33,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-24 01:17:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure cp_poll_controller [2024-11-24 01:17:33,523 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_poll_controller [2024-11-24 01:17:33,524 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-24 01:17:33,524 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-24 01:17:33,524 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-24 01:17:33,524 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-24 01:17:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_rings [2024-11-24 01:17:33,525 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_rings [2024-11-24 01:17:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-11-24 01:17:33,525 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-11-24 01:17:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2024-11-24 01:17:33,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2024-11-24 01:17:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-24 01:17:33,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-24 01:17:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-24 01:17:33,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-24 01:17:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-24 01:17:33,526 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-24 01:17:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-11-24 01:17:33,526 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-11-24 01:17:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-24 01:17:33,526 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-24 01:17:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-24 01:17:33,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-24 01:17:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 01:17:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-11-24 01:17:33,526 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-11-24 01:17:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_rxbufsize [2024-11-24 01:17:33,526 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_rxbufsize [2024-11-24 01:17:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd [2024-11-24 01:17:33,526 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd [2024-11-24 01:17:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-24 01:17:33,526 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-24 01:17:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2024-11-24 01:17:33,526 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2024-11-24 01:17:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-24 01:17:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-24 01:17:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-24 01:17:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-24 01:17:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-24 01:17:33,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-24 01:17:33,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-24 01:17:33,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-24 01:17:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-24 01:17:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-24 01:17:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-24 01:17:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-24 01:17:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-24 01:17:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-24 01:17:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-24 01:17:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-24 01:17:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-24 01:17:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-24 01:17:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-24 01:17:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-24 01:17:33,529 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-24 01:17:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_109 [2024-11-24 01:17:33,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_109 [2024-11-24 01:17:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 01:17:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 01:17:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 01:17:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 01:17:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 01:17:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 01:17:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-24 01:17:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-24 01:17:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-24 01:17:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-24 01:17:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-24 01:17:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-24 01:17:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-24 01:17:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-24 01:17:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-24 01:17:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-24 01:17:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-24 01:17:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-24 01:17:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-24 01:17:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-24 01:17:33,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-24 01:17:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 01:17:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 01:17:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 01:17:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 01:17:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 01:17:33,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 01:17:33,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 01:17:33,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 01:17:33,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 01:17:33,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 01:17:33,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 01:17:33,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 01:17:33,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 01:17:33,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-24 01:17:33,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-24 01:17:33,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-24 01:17:33,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-24 01:17:33,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-24 01:17:33,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-24 01:17:33,531 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-24 01:17:33,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-24 01:17:33,531 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_rings_index [2024-11-24 01:17:33,531 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_rings_index [2024-11-24 01:17:33,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-24 01:17:33,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-24 01:17:33,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-24 01:17:33,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-24 01:17:33,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-24 01:17:33,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-24 01:17:33,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-24 01:17:33,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-24 01:17:33,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-24 01:17:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-24 01:17:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-24 01:17:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-24 01:17:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-24 01:17:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-24 01:17:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-24 01:17:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-24 01:17:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-24 01:17:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-24 01:17:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-24 01:17:33,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-24 01:17:33,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-24 01:17:33,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-24 01:17:33,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-24 01:17:33,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-24 01:17:33,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-24 01:17:33,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-24 01:17:33,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-24 01:17:33,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-24 01:17:33,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-24 01:17:33,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-24 01:17:33,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-24 01:17:33,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-24 01:17:33,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-24 01:17:33,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-24 01:17:33,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-24 01:17:33,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-24 01:17:33,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-24 01:17:33,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-24 01:17:33,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-24 01:17:33,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-24 01:17:33,538 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2024-11-24 01:17:33,538 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2024-11-24 01:17:33,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-24 01:17:33,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-24 01:17:33,538 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2024-11-24 01:17:33,538 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2024-11-24 01:17:33,538 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_rx_mode [2024-11-24 01:17:33,538 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_rx_mode [2024-11-24 01:17:33,538 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-24 01:17:33,539 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-24 01:17:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-24 01:17:33,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-24 01:17:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 01:17:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_cp_private [2024-11-24 01:17:33,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_cp_private [2024-11-24 01:17:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-24 01:17:33,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-24 01:17:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-24 01:17:33,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-24 01:17:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2024-11-24 01:17:33,539 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2024-11-24 01:17:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:17:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-24 01:17:33,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-24 01:17:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 01:17:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 01:17:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 01:17:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 01:17:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 01:17:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 01:17:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 01:17:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 01:17:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-24 01:17:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-24 01:17:33,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-24 01:17:33,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-24 01:17:33,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-24 01:17:33,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-24 01:17:33,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-24 01:17:33,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-24 01:17:33,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-24 01:17:33,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-24 01:17:33,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-24 01:17:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure write_eeprom [2024-11-24 01:17:33,544 INFO L138 BoogieDeclarations]: Found implementation of procedure write_eeprom [2024-11-24 01:17:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-24 01:17:33,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-24 01:17:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-24 01:17:33,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-24 01:17:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2024-11-24 01:17:33,544 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2024-11-24 01:17:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-24 01:17:33,544 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-24 01:17:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_regs_len [2024-11-24 01:17:33,544 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_regs_len [2024-11-24 01:17:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-24 01:17:33,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-24 01:17:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2024-11-24 01:17:33,545 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2024-11-24 01:17:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-24 01:17:33,545 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-24 01:17:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-24 01:17:33,545 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-24 01:17:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure cp_start_hw [2024-11-24 01:17:33,545 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_start_hw [2024-11-24 01:17:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2024-11-24 01:17:33,545 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2024-11-24 01:17:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2024-11-24 01:17:33,545 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2024-11-24 01:17:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:17:33,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:17:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure cp_free_rings [2024-11-24 01:17:33,545 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_free_rings [2024-11-24 01:17:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure cp_stop_hw [2024-11-24 01:17:33,545 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_stop_hw [2024-11-24 01:17:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-24 01:17:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-24 01:17:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-24 01:17:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-24 01:17:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-24 01:17:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-24 01:17:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-24 01:17:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-24 01:17:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-24 01:17:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-24 01:17:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-24 01:17:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-24 01:17:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-24 01:17:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-24 01:17:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-24 01:17:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-24 01:17:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-24 01:17:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-24 01:17:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-24 01:17:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 01:17:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 01:17:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 01:17:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 01:17:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 01:17:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 01:17:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-24 01:17:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-24 01:17:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-24 01:17:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-24 01:17:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-24 01:17:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-24 01:17:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-24 01:17:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-24 01:17:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-24 01:17:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-24 01:17:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-24 01:17:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-24 01:17:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-24 01:17:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-24 01:17:33,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-24 01:17:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_eeprom_len [2024-11-24 01:17:33,549 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_eeprom_len [2024-11-24 01:17:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-24 01:17:33,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-24 01:17:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-11-24 01:17:33,550 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-11-24 01:17:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_reset_queue [2024-11-24 01:17:33,550 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_reset_queue [2024-11-24 01:17:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure cp_nway_reset [2024-11-24 01:17:33,551 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_nway_reset [2024-11-24 01:17:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2024-11-24 01:17:33,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2024-11-24 01:17:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-24 01:17:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-24 01:17:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-24 01:17:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-24 01:17:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-24 01:17:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-24 01:17:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-24 01:17:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-24 01:17:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-24 01:17:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-24 01:17:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-24 01:17:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-24 01:17:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-24 01:17:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-24 01:17:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-24 01:17:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-24 01:17:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-24 01:17:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-24 01:17:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-24 01:17:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-24 01:17:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-24 01:17:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-24 01:17:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-24 01:17:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-24 01:17:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-24 01:17:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-24 01:17:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-24 01:17:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-24 01:17:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-24 01:17:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-24 01:17:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-24 01:17:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-24 01:17:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-24 01:17:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-24 01:17:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-24 01:17:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-24 01:17:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-24 01:17:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-24 01:17:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-24 01:17:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-24 01:17:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2024-11-24 01:17:33,554 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2024-11-24 01:17:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2024-11-24 01:17:33,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2024-11-24 01:17:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2024-11-24 01:17:33,554 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2024-11-24 01:17:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure cp_resume [2024-11-24 01:17:33,554 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_resume [2024-11-24 01:17:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-24 01:17:33,554 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-24 01:17:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2024-11-24 01:17:33,554 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2024-11-24 01:17:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-11-24 01:17:33,554 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-11-24 01:17:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 01:17:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-24 01:17:33,554 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-24 01:17:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 01:17:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 01:17:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 01:17:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 01:17:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 01:17:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 01:17:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 01:17:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 01:17:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-24 01:17:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-24 01:17:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-24 01:17:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-24 01:17:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-24 01:17:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-24 01:17:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-24 01:17:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-24 01:17:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-24 01:17:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-24 01:17:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-24 01:17:33,557 INFO L130 BoogieDeclarations]: Found specification of procedure cp_enable_irq [2024-11-24 01:17:33,557 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_enable_irq [2024-11-24 01:17:33,558 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2024-11-24 01:17:33,558 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2024-11-24 01:17:33,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_cp_private [2024-11-24 01:17:33,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_cp_private [2024-11-24 01:17:33,558 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2024-11-24 01:17:33,559 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2024-11-24 01:17:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure __cp_set_rx_mode [2024-11-24 01:17:33,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __cp_set_rx_mode [2024-11-24 01:17:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure cp_clean_rings [2024-11-24 01:17:33,559 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_clean_rings [2024-11-24 01:17:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-24 01:17:33,559 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-24 01:17:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2024-11-24 01:17:33,559 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2024-11-24 01:17:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-24 01:17:33,559 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-24 01:17:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2024-11-24 01:17:33,559 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2024-11-24 01:17:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-24 01:17:33,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-24 01:17:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-24 01:17:33,559 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-24 01:17:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-24 01:17:33,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-24 01:17:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd_end [2024-11-24 01:17:33,559 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd_end [2024-11-24 01:17:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_108 [2024-11-24 01:17:33,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_108 [2024-11-24 01:17:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2024-11-24 01:17:33,559 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2024-11-24 01:17:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-24 01:17:33,559 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-24 01:17:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-24 01:17:33,559 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-24 01:17:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure cp_close [2024-11-24 01:17:33,560 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_close [2024-11-24 01:17:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-24 01:17:33,560 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-24 01:17:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure cp_open [2024-11-24 01:17:33,560 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_open [2024-11-24 01:17:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 01:17:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 01:17:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 01:17:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 01:17:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 01:17:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 01:17:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 01:17:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 01:17:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 01:17:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 01:17:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 01:17:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 01:17:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 01:17:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-24 01:17:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-24 01:17:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-24 01:17:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-24 01:17:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-24 01:17:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-24 01:17:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-24 01:17:33,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-24 01:17:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure cp_tx_timeout [2024-11-24 01:17:33,560 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_tx_timeout [2024-11-24 01:17:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-24 01:17:33,560 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-24 01:17:33,561 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd_start [2024-11-24 01:17:33,561 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd_start [2024-11-24 01:17:33,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-24 01:17:33,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-24 01:17:33,561 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_hw [2024-11-24 01:17:33,561 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_hw [2024-11-24 01:17:33,561 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2024-11-24 01:17:33,561 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2024-11-24 01:17:33,561 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_extend_cmd [2024-11-24 01:17:33,561 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_extend_cmd [2024-11-24 01:17:33,561 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-11-24 01:17:33,561 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-11-24 01:17:33,561 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2024-11-24 01:17:33,561 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2024-11-24 01:17:33,561 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2024-11-24 01:17:33,561 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2024-11-24 01:17:33,561 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-24 01:17:33,561 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-24 01:17:33,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:17:33,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:17:33,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 01:17:33,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 01:17:33,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 01:17:33,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 01:17:33,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 01:17:33,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 01:17:33,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 01:17:33,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 01:17:33,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 01:17:33,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 01:17:33,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 01:17:33,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-24 01:17:33,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-24 01:17:33,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-24 01:17:33,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-24 01:17:33,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-24 01:17:33,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-24 01:17:33,562 INFO L130 BoogieDeclarations]: Found specification of procedure cp_interrupt [2024-11-24 01:17:33,566 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_interrupt [2024-11-24 01:17:33,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-24 01:17:33,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-24 01:17:33,566 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2024-11-24 01:17:33,566 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2024-11-24 01:17:33,566 INFO L130 BoogieDeclarations]: Found specification of procedure cp_remove_one [2024-11-24 01:17:33,566 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_remove_one [2024-11-24 01:17:34,882 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:17:34,885 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:17:35,716 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-24 01:17:57,599 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-24 01:17:59,535 INFO L? ?]: Removed 3283 outVars from TransFormulas that were not future-live. [2024-11-24 01:17:59,535 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:17:59,585 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:17:59,585 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 01:17:59,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:17:59 BoogieIcfgContainer [2024-11-24 01:17:59,586 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:17:59,588 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:17:59,588 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:17:59,593 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:17:59,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:17:26" (1/3) ... [2024-11-24 01:17:59,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f87e45f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:17:59, skipping insertion in model container [2024-11-24 01:17:59,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:30" (2/3) ... [2024-11-24 01:17:59,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f87e45f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:17:59, skipping insertion in model container [2024-11-24 01:17:59,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:17:59" (3/3) ... [2024-11-24 01:17:59,599 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i [2024-11-24 01:17:59,616 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:17:59,619 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. [2024-11-24 01:17:59,765 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:17:59,780 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;@6dbfd12d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:17:59,781 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-24 01:17:59,795 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) [2024-11-24 01:17:59,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-24 01:17:59,817 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:17:59,820 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] [2024-11-24 01:17:59,820 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:17:59,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:17:59,830 INFO L85 PathProgramCache]: Analyzing trace with hash 2105273081, now seen corresponding path program 1 times [2024-11-24 01:17:59,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:17:59,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761561521] [2024-11-24 01:17:59,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:17:59,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:08,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-24 01:18:08,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:08,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761561521] [2024-11-24 01:18:08,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761561521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:08,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:08,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:18:08,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210071668] [2024-11-24 01:18:08,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:08,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:18:08,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:08,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:18:08,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:18:08,240 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) [2024-11-24 01:18:12,350 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 [] [2024-11-24 01:18:13,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:13,316 INFO L93 Difference]: Finished difference Result 7065 states and 10164 transitions. [2024-11-24 01:18:13,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:18:13,320 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 [2024-11-24 01:18:13,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:13,402 INFO L225 Difference]: With dead ends: 7065 [2024-11-24 01:18:13,402 INFO L226 Difference]: Without dead ends: 4684 [2024-11-24 01:18:13,435 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:18:13,440 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, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:13,443 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3207 Valid, 6637 Invalid, 14 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-24 01:18:13,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4684 states. [2024-11-24 01:18:13,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4684 to 4680. [2024-11-24 01:18:13,873 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) [2024-11-24 01:18:13,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4680 states to 4680 states and 6480 transitions. [2024-11-24 01:18:13,937 INFO L78 Accepts]: Start accepts. Automaton has 4680 states and 6480 transitions. Word has length 200 [2024-11-24 01:18:13,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:13,941 INFO L471 AbstractCegarLoop]: Abstraction has 4680 states and 6480 transitions. [2024-11-24 01:18:13,941 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) [2024-11-24 01:18:13,942 INFO L276 IsEmpty]: Start isEmpty. Operand 4680 states and 6480 transitions. [2024-11-24 01:18:13,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-24 01:18:13,953 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:13,953 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] [2024-11-24 01:18:13,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:18:13,954 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:18:13,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:13,954 INFO L85 PathProgramCache]: Analyzing trace with hash -799967423, now seen corresponding path program 1 times [2024-11-24 01:18:13,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:13,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459707647] [2024-11-24 01:18:13,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:13,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:20,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-24 01:18:20,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:20,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459707647] [2024-11-24 01:18:20,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459707647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:20,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:20,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:18:20,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312761949] [2024-11-24 01:18:20,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:20,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:18:20,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:20,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:18:20,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:18:20,676 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) [2024-11-24 01:18:24,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:18:25,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:25,895 INFO L93 Difference]: Finished difference Result 13860 states and 19204 transitions. [2024-11-24 01:18:25,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:18:25,895 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 [2024-11-24 01:18:25,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:25,960 INFO L225 Difference]: With dead ends: 13860 [2024-11-24 01:18:25,961 INFO L226 Difference]: Without dead ends: 9217 [2024-11-24 01:18:25,984 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:18:25,984 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 [2024-11-24 01:18:25,985 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] [2024-11-24 01:18:25,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9217 states. [2024-11-24 01:18:26,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9217 to 9179. [2024-11-24 01:18:26,744 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) [2024-11-24 01:18:26,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9179 states to 9179 states and 12720 transitions. [2024-11-24 01:18:26,818 INFO L78 Accepts]: Start accepts. Automaton has 9179 states and 12720 transitions. Word has length 212 [2024-11-24 01:18:26,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:26,823 INFO L471 AbstractCegarLoop]: Abstraction has 9179 states and 12720 transitions. [2024-11-24 01:18:26,823 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) [2024-11-24 01:18:26,823 INFO L276 IsEmpty]: Start isEmpty. Operand 9179 states and 12720 transitions. [2024-11-24 01:18:26,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-24 01:18:26,837 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:26,838 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] [2024-11-24 01:18:26,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:18:26,838 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:18:26,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:26,839 INFO L85 PathProgramCache]: Analyzing trace with hash -763314763, now seen corresponding path program 1 times [2024-11-24 01:18:26,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:26,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050821714] [2024-11-24 01:18:26,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:26,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:33,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:33,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-24 01:18:33,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:33,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050821714] [2024-11-24 01:18:33,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050821714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:33,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:33,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:18:33,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98267477] [2024-11-24 01:18:33,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:33,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:18:33,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:33,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:18:33,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:18:33,605 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) [2024-11-24 01:18:37,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:18:40,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:40,063 INFO L93 Difference]: Finished difference Result 24027 states and 33044 transitions. [2024-11-24 01:18:40,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:18:40,067 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 [2024-11-24 01:18:40,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:40,212 INFO L225 Difference]: With dead ends: 24027 [2024-11-24 01:18:40,212 INFO L226 Difference]: Without dead ends: 14885 [2024-11-24 01:18:40,265 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:18:40,268 INFO L435 NwaCegarLoop]: 3327 mSDtfsCounter, 2005 mSDsluCounter, 3184 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s 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, 5.9s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:40,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2005 Valid, 6511 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 107 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2024-11-24 01:18:40,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14885 states. [2024-11-24 01:18:41,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14885 to 14845. [2024-11-24 01:18:41,179 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) [2024-11-24 01:18:41,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14845 states to 14845 states and 20306 transitions. [2024-11-24 01:18:41,303 INFO L78 Accepts]: Start accepts. Automaton has 14845 states and 20306 transitions. Word has length 212 [2024-11-24 01:18:41,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:41,304 INFO L471 AbstractCegarLoop]: Abstraction has 14845 states and 20306 transitions. [2024-11-24 01:18:41,304 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) [2024-11-24 01:18:41,304 INFO L276 IsEmpty]: Start isEmpty. Operand 14845 states and 20306 transitions. [2024-11-24 01:18:41,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-24 01:18:41,316 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:41,316 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] [2024-11-24 01:18:41,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:18:41,317 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:18:41,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:41,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1549979048, now seen corresponding path program 1 times [2024-11-24 01:18:41,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:41,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506288813] [2024-11-24 01:18:41,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:41,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:48,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-24 01:18:48,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:48,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506288813] [2024-11-24 01:18:48,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506288813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:48,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:48,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:18:48,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106686193] [2024-11-24 01:18:48,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:48,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:18:48,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:48,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:18:48,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:18:48,464 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) [2024-11-24 01:18:52,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:18:54,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:54,171 INFO L93 Difference]: Finished difference Result 26651 states and 36474 transitions. [2024-11-24 01:18:54,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:18:54,172 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 [2024-11-24 01:18:54,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:54,244 INFO L225 Difference]: With dead ends: 26651 [2024-11-24 01:18:54,245 INFO L226 Difference]: Without dead ends: 11843 [2024-11-24 01:18:54,301 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:18:54,302 INFO L435 NwaCegarLoop]: 5675 mSDtfsCounter, 2670 mSDsluCounter, 3248 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s 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, 5.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:54,302 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2670 Valid, 8923 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 74 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-11-24 01:18:54,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11843 states. [2024-11-24 01:18:54,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11843 to 11812. [2024-11-24 01:18:54,725 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) [2024-11-24 01:18:54,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11812 states to 11812 states and 16099 transitions. [2024-11-24 01:18:54,789 INFO L78 Accepts]: Start accepts. Automaton has 11812 states and 16099 transitions. Word has length 213 [2024-11-24 01:18:54,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:54,791 INFO L471 AbstractCegarLoop]: Abstraction has 11812 states and 16099 transitions. [2024-11-24 01:18:54,791 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) [2024-11-24 01:18:54,791 INFO L276 IsEmpty]: Start isEmpty. Operand 11812 states and 16099 transitions. [2024-11-24 01:18:54,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-11-24 01:18:54,794 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:54,795 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] [2024-11-24 01:18:54,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:18:54,795 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:18:54,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:54,796 INFO L85 PathProgramCache]: Analyzing trace with hash 501743596, now seen corresponding path program 1 times [2024-11-24 01:18:54,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:54,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257121695] [2024-11-24 01:18:54,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:54,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:19:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:19:01,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1314 trivial. 0 not checked. [2024-11-24 01:19:01,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:19:01,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257121695] [2024-11-24 01:19:01,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257121695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:19:01,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:19:01,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:19:01,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915515164] [2024-11-24 01:19:01,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:19:01,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:19:01,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:19:01,749 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:19:01,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:19:01,751 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) [2024-11-24 01:19:05,839 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 [] [2024-11-24 01:19:06,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:19:06,787 INFO L93 Difference]: Finished difference Result 34891 states and 47608 transitions. [2024-11-24 01:19:06,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:19:06,787 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 [2024-11-24 01:19:06,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:19:06,919 INFO L225 Difference]: With dead ends: 34891 [2024-11-24 01:19:06,919 INFO L226 Difference]: Without dead ends: 23157 [2024-11-24 01:19:06,968 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:19:06,970 INFO L435 NwaCegarLoop]: 3422 mSDtfsCounter, 3212 mSDsluCounter, 3288 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s 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 [2024-11-24 01:19:06,971 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] [2024-11-24 01:19:07,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23157 states. [2024-11-24 01:19:07,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23157 to 23132. [2024-11-24 01:19:07,797 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) [2024-11-24 01:19:07,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23132 states to 23132 states and 31563 transitions. [2024-11-24 01:19:07,907 INFO L78 Accepts]: Start accepts. Automaton has 23132 states and 31563 transitions. Word has length 257 [2024-11-24 01:19:07,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:19:07,910 INFO L471 AbstractCegarLoop]: Abstraction has 23132 states and 31563 transitions. [2024-11-24 01:19:07,910 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) [2024-11-24 01:19:07,910 INFO L276 IsEmpty]: Start isEmpty. Operand 23132 states and 31563 transitions. [2024-11-24 01:19:07,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-11-24 01:19:07,916 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:19:07,916 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] [2024-11-24 01:19:07,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 01:19:07,917 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:19:07,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:19:07,917 INFO L85 PathProgramCache]: Analyzing trace with hash 924445422, now seen corresponding path program 1 times [2024-11-24 01:19:07,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:19:07,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704828876] [2024-11-24 01:19:07,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:19:07,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:19:13,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:19:14,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2024-11-24 01:19:14,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:19:14,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704828876] [2024-11-24 01:19:14,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704828876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:19:14,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:19:14,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:19:14,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67252390] [2024-11-24 01:19:14,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:19:14,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:19:14,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:19:14,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:19:14,984 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:19:14,984 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) [2024-11-24 01:19:16,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:19:16,190 INFO L93 Difference]: Finished difference Result 23138 states and 31568 transitions. [2024-11-24 01:19:16,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:19:16,191 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 [2024-11-24 01:19:16,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:19:16,311 INFO L225 Difference]: With dead ends: 23138 [2024-11-24 01:19:16,311 INFO L226 Difference]: Without dead ends: 23136 [2024-11-24 01:19:16,326 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:19:16,328 INFO L435 NwaCegarLoop]: 3311 mSDtfsCounter, 3251 mSDsluCounter, 6606 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:19:16,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3252 Valid, 9917 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:19:16,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23136 states. [2024-11-24 01:19:17,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23136 to 23136. [2024-11-24 01:19:17,216 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) [2024-11-24 01:19:17,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23136 states to 23136 states and 31566 transitions. [2024-11-24 01:19:17,326 INFO L78 Accepts]: Start accepts. Automaton has 23136 states and 31566 transitions. Word has length 257 [2024-11-24 01:19:17,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:19:17,327 INFO L471 AbstractCegarLoop]: Abstraction has 23136 states and 31566 transitions. [2024-11-24 01:19:17,327 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) [2024-11-24 01:19:17,327 INFO L276 IsEmpty]: Start isEmpty. Operand 23136 states and 31566 transitions. [2024-11-24 01:19:17,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-11-24 01:19:17,332 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:19:17,332 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] [2024-11-24 01:19:17,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 01:19:17,333 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:19:17,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:19:17,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1601384717, now seen corresponding path program 1 times [2024-11-24 01:19:17,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:19:17,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946574992] [2024-11-24 01:19:17,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:19:17,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:19:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:19:24,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1322 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2024-11-24 01:19:24,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:19:24,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946574992] [2024-11-24 01:19:24,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946574992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:19:24,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:19:24,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:19:24,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195218912] [2024-11-24 01:19:24,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:19:24,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:19:24,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:19:24,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:19:24,696 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:19:24,697 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) [2024-11-24 01:19:25,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:19:25,891 INFO L93 Difference]: Finished difference Result 23142 states and 31571 transitions. [2024-11-24 01:19:25,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:19:25,892 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 [2024-11-24 01:19:25,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:19:26,013 INFO L225 Difference]: With dead ends: 23142 [2024-11-24 01:19:26,014 INFO L226 Difference]: Without dead ends: 23140 [2024-11-24 01:19:26,030 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:19:26,031 INFO L435 NwaCegarLoop]: 3314 mSDtfsCounter, 3247 mSDsluCounter, 6607 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:19:26,031 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3248 Valid, 9921 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:19:26,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23140 states. [2024-11-24 01:19:26,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23140 to 23140. [2024-11-24 01:19:26,952 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) [2024-11-24 01:19:27,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23140 states to 23140 states and 31569 transitions. [2024-11-24 01:19:27,063 INFO L78 Accepts]: Start accepts. Automaton has 23140 states and 31569 transitions. Word has length 262 [2024-11-24 01:19:27,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:19:27,064 INFO L471 AbstractCegarLoop]: Abstraction has 23140 states and 31569 transitions. [2024-11-24 01:19:27,064 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) [2024-11-24 01:19:27,065 INFO L276 IsEmpty]: Start isEmpty. Operand 23140 states and 31569 transitions. [2024-11-24 01:19:27,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-11-24 01:19:27,069 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:19:27,069 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] [2024-11-24 01:19:27,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 01:19:27,070 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:19:27,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:19:27,071 INFO L85 PathProgramCache]: Analyzing trace with hash 788069902, now seen corresponding path program 1 times [2024-11-24 01:19:27,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:19:27,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506806030] [2024-11-24 01:19:27,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:19:27,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:19:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:19:34,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1328 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1324 trivial. 0 not checked. [2024-11-24 01:19:34,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:19:34,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506806030] [2024-11-24 01:19:34,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506806030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:19:34,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:19:34,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:19:34,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668399479] [2024-11-24 01:19:34,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:19:34,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:19:34,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:19:34,303 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:19:34,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:19:34,304 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) [2024-11-24 01:19:35,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:19:35,479 INFO L93 Difference]: Finished difference Result 23146 states and 31574 transitions. [2024-11-24 01:19:35,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:19:35,479 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 [2024-11-24 01:19:35,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:19:35,584 INFO L225 Difference]: With dead ends: 23146 [2024-11-24 01:19:35,584 INFO L226 Difference]: Without dead ends: 23144 [2024-11-24 01:19:35,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:19:35,602 INFO L435 NwaCegarLoop]: 3314 mSDtfsCounter, 3246 mSDsluCounter, 6607 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:19:35,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3247 Valid, 9921 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:19:35,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23144 states. [2024-11-24 01:19:36,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23144 to 23144. [2024-11-24 01:19:36,575 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) [2024-11-24 01:19:36,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23144 states to 23144 states and 31572 transitions. [2024-11-24 01:19:36,658 INFO L78 Accepts]: Start accepts. Automaton has 23144 states and 31572 transitions. Word has length 267 [2024-11-24 01:19:36,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:19:36,658 INFO L471 AbstractCegarLoop]: Abstraction has 23144 states and 31572 transitions. [2024-11-24 01:19:36,658 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) [2024-11-24 01:19:36,659 INFO L276 IsEmpty]: Start isEmpty. Operand 23144 states and 31572 transitions. [2024-11-24 01:19:36,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-24 01:19:36,663 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:19:36,663 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] [2024-11-24 01:19:36,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 01:19:36,664 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:19:36,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:19:36,664 INFO L85 PathProgramCache]: Analyzing trace with hash 501039469, now seen corresponding path program 1 times [2024-11-24 01:19:36,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:19:36,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681514734] [2024-11-24 01:19:36,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:19:36,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:19:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:19:43,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1338 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1332 trivial. 0 not checked. [2024-11-24 01:19:43,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:19:43,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681514734] [2024-11-24 01:19:43,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681514734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:19:43,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:19:43,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:19:43,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320004586] [2024-11-24 01:19:43,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:19:43,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:19:43,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:19:43,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:19:43,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:19:43,264 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) [2024-11-24 01:19:44,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:19:44,429 INFO L93 Difference]: Finished difference Result 23150 states and 31577 transitions. [2024-11-24 01:19:44,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:19:44,430 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 [2024-11-24 01:19:44,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:19:44,531 INFO L225 Difference]: With dead ends: 23150 [2024-11-24 01:19:44,532 INFO L226 Difference]: Without dead ends: 23148 [2024-11-24 01:19:44,547 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:19:44,548 INFO L435 NwaCegarLoop]: 3314 mSDtfsCounter, 3245 mSDsluCounter, 6607 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2024-11-24 01:19:44,548 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] [2024-11-24 01:19:44,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23148 states. [2024-11-24 01:19:45,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23148 to 23148. [2024-11-24 01:19:45,558 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) [2024-11-24 01:19:45,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23148 states to 23148 states and 31575 transitions. [2024-11-24 01:19:45,628 INFO L78 Accepts]: Start accepts. Automaton has 23148 states and 31575 transitions. Word has length 272 [2024-11-24 01:19:45,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:19:45,629 INFO L471 AbstractCegarLoop]: Abstraction has 23148 states and 31575 transitions. [2024-11-24 01:19:45,629 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) [2024-11-24 01:19:45,629 INFO L276 IsEmpty]: Start isEmpty. Operand 23148 states and 31575 transitions. [2024-11-24 01:19:45,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-24 01:19:45,634 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:19:45,635 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] [2024-11-24 01:19:45,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 01:19:45,635 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:19:45,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:19:45,636 INFO L85 PathProgramCache]: Analyzing trace with hash -731621074, now seen corresponding path program 1 times [2024-11-24 01:19:45,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:19:45,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993032818] [2024-11-24 01:19:45,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:19:45,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:19:50,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:19:51,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1344 trivial. 0 not checked. [2024-11-24 01:19:51,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:19:51,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993032818] [2024-11-24 01:19:51,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993032818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:19:51,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:19:51,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:19:51,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127735953] [2024-11-24 01:19:51,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:19:51,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:19:51,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:19:51,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:19:51,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:19:51,762 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) [2024-11-24 01:19:52,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:19:52,793 INFO L93 Difference]: Finished difference Result 23154 states and 31580 transitions. [2024-11-24 01:19:52,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:19:52,793 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 [2024-11-24 01:19:52,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:19:52,875 INFO L225 Difference]: With dead ends: 23154 [2024-11-24 01:19:52,876 INFO L226 Difference]: Without dead ends: 23152 [2024-11-24 01:19:52,884 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:19:52,885 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 [2024-11-24 01:19:52,885 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] [2024-11-24 01:19:52,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23152 states. [2024-11-24 01:19:53,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23152 to 23152. [2024-11-24 01:19:53,796 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) [2024-11-24 01:19:53,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23152 states to 23152 states and 31578 transitions. [2024-11-24 01:19:53,873 INFO L78 Accepts]: Start accepts. Automaton has 23152 states and 31578 transitions. Word has length 277 [2024-11-24 01:19:53,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:19:53,874 INFO L471 AbstractCegarLoop]: Abstraction has 23152 states and 31578 transitions. [2024-11-24 01:19:53,874 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) [2024-11-24 01:19:53,874 INFO L276 IsEmpty]: Start isEmpty. Operand 23152 states and 31578 transitions. [2024-11-24 01:19:53,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-24 01:19:53,878 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:19:53,878 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] [2024-11-24 01:19:53,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 01:19:53,878 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)] === [2024-11-24 01:19:53,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:19:53,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1314783398, now seen corresponding path program 1 times [2024-11-24 01:19:53,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:19:53,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265700080] [2024-11-24 01:19:53,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:19:53,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:19:58,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:19:59,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1314 trivial. 0 not checked. [2024-11-24 01:19:59,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:19:59,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265700080] [2024-11-24 01:19:59,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265700080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:19:59,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:19:59,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:19:59,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280807784] [2024-11-24 01:19:59,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:19:59,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:19:59,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:19:59,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:19:59,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:19:59,286 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) [2024-11-24 01:20:03,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:20:05,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:20:05,443 INFO L93 Difference]: Finished difference Result 54495 states and 74435 transitions. [2024-11-24 01:20:05,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:20:05,444 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 [2024-11-24 01:20:05,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:20:05,547 INFO L225 Difference]: With dead ends: 54495 [2024-11-24 01:20:05,547 INFO L226 Difference]: Without dead ends: 31421 [2024-11-24 01:20:05,604 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:20:05,605 INFO L435 NwaCegarLoop]: 5902 mSDtfsCounter, 2659 mSDsluCounter, 3244 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s 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 [2024-11-24 01:20:05,605 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] [2024-11-24 01:20:05,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31421 states. [2024-11-24 01:20:06,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31421 to 31370. [2024-11-24 01:20:06,732 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) [2024-11-24 01:20:06,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31370 states to 31370 states and 42778 transitions. [2024-11-24 01:20:06,847 INFO L78 Accepts]: Start accepts. Automaton has 31370 states and 42778 transitions. Word has length 278 [2024-11-24 01:20:06,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:20:06,847 INFO L471 AbstractCegarLoop]: Abstraction has 31370 states and 42778 transitions. [2024-11-24 01:20:06,848 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) [2024-11-24 01:20:06,848 INFO L276 IsEmpty]: Start isEmpty. Operand 31370 states and 42778 transitions. [2024-11-24 01:20:06,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-11-24 01:20:06,850 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:20:06,851 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] [2024-11-24 01:20:06,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 01:20:06,851 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:20:06,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:20:06,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1557657139, now seen corresponding path program 1 times [2024-11-24 01:20:06,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:20:06,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453581244] [2024-11-24 01:20:06,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:20:06,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:20:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:20:13,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1370 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1360 trivial. 0 not checked. [2024-11-24 01:20:13,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:20:13,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453581244] [2024-11-24 01:20:13,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453581244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:20:13,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:20:13,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:20:13,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963596713] [2024-11-24 01:20:13,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:20:13,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:20:13,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:20:13,574 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:20:13,574 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:20:13,575 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) [2024-11-24 01:20:14,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:20:14,844 INFO L93 Difference]: Finished difference Result 31376 states and 42783 transitions. [2024-11-24 01:20:14,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:20:14,845 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 [2024-11-24 01:20:14,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:20:14,951 INFO L225 Difference]: With dead ends: 31376 [2024-11-24 01:20:14,951 INFO L226 Difference]: Without dead ends: 31374 [2024-11-24 01:20:14,963 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:20:14,964 INFO L435 NwaCegarLoop]: 3314 mSDtfsCounter, 3243 mSDsluCounter, 6607 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:20:14,964 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3244 Valid, 9921 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:20:14,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31374 states. [2024-11-24 01:20:16,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31374 to 31374. [2024-11-24 01:20:16,108 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) [2024-11-24 01:20:16,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31374 states to 31374 states and 42781 transitions. [2024-11-24 01:20:16,208 INFO L78 Accepts]: Start accepts. Automaton has 31374 states and 42781 transitions. Word has length 282 [2024-11-24 01:20:16,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:20:16,208 INFO L471 AbstractCegarLoop]: Abstraction has 31374 states and 42781 transitions. [2024-11-24 01:20:16,208 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) [2024-11-24 01:20:16,208 INFO L276 IsEmpty]: Start isEmpty. Operand 31374 states and 42781 transitions. [2024-11-24 01:20:16,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-11-24 01:20:16,210 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:20:16,211 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] [2024-11-24 01:20:16,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-24 01:20:16,211 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:20:16,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:20:16,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1025493245, now seen corresponding path program 1 times [2024-11-24 01:20:16,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:20:16,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53168028] [2024-11-24 01:20:16,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:20:16,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:20:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:20:22,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1427 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1415 trivial. 0 not checked. [2024-11-24 01:20:22,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:20:22,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53168028] [2024-11-24 01:20:22,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53168028] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:20:22,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:20:22,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:20:22,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048239458] [2024-11-24 01:20:22,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:20:22,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:20:22,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:20:22,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:20:22,197 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:20:22,197 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) [2024-11-24 01:20:24,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:20:24,350 INFO L93 Difference]: Finished difference Result 36928 states and 49358 transitions. [2024-11-24 01:20:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:20:24,351 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 [2024-11-24 01:20:24,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:20:24,457 INFO L225 Difference]: With dead ends: 36928 [2024-11-24 01:20:24,457 INFO L226 Difference]: Without dead ends: 36926 [2024-11-24 01:20:24,472 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:20:24,473 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, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:20:24,473 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2144 Valid, 12262 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:20:24,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36926 states. [2024-11-24 01:20:26,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36926 to 36926. [2024-11-24 01:20:26,203 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) [2024-11-24 01:20:26,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36926 states to 36926 states and 49356 transitions. [2024-11-24 01:20:26,310 INFO L78 Accepts]: Start accepts. Automaton has 36926 states and 49356 transitions. Word has length 305 [2024-11-24 01:20:26,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:20:26,311 INFO L471 AbstractCegarLoop]: Abstraction has 36926 states and 49356 transitions. [2024-11-24 01:20:26,311 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) [2024-11-24 01:20:26,311 INFO L276 IsEmpty]: Start isEmpty. Operand 36926 states and 49356 transitions. [2024-11-24 01:20:26,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-11-24 01:20:26,313 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:20:26,313 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 8, 7, 7, 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] [2024-11-24 01:20:26,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-24 01:20:26,314 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:20:26,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:20:26,314 INFO L85 PathProgramCache]: Analyzing trace with hash 936217133, now seen corresponding path program 1 times [2024-11-24 01:20:26,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:20:26,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618207937] [2024-11-24 01:20:26,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:20:26,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:20:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:20:32,480 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-24 01:20:32,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:20:32,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618207937] [2024-11-24 01:20:32,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618207937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:20:32,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:20:32,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:20:32,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639576214] [2024-11-24 01:20:32,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:20:32,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:20:32,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:20:32,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:20:32,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:20:32,482 INFO L87 Difference]: Start difference. First operand 36926 states and 49356 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, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33)