./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 c2d7f6c194f04de54ba5a893678a720456a663ad567a49e51faf84a68b16d812 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 08:01:35,085 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 08:01:35,160 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 08:01:35,170 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 08:01:35,170 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 08:01:35,197 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 08:01:35,197 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 08:01:35,198 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 08:01:35,198 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 08:01:35,198 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 08:01:35,199 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 08:01:35,200 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 08:01:35,200 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 08:01:35,200 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 08:01:35,200 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 08:01:35,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 08:01:35,201 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 08:01:35,201 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 08:01:35,201 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 08:01:35,201 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 08:01:35,201 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 08:01:35,201 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 08:01:35,201 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 08:01:35,201 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 08:01:35,201 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 08:01:35,201 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 08:01:35,201 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 08:01:35,201 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 08:01:35,201 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 08:01:35,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 08:01:35,202 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 08:01:35,202 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 08:01:35,202 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 08:01:35,202 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 08:01:35,202 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 08:01:35,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 08:01:35,202 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 08:01:35,202 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 08:01:35,202 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 08:01:35,202 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 08:01:35,202 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux 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 -> c2d7f6c194f04de54ba5a893678a720456a663ad567a49e51faf84a68b16d812 [2025-02-06 08:01:35,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 08:01:35,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 08:01:35,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 08:01:35,529 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 08:01:35,529 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 08:01:35,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2025-02-06 08:01:36,973 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f7b492e86/e040bc78772a49af9f0a8cd57e3458ee/FLAG98c4d05cb [2025-02-06 08:01:37,693 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 08:01:37,693 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2025-02-06 08:01:37,765 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f7b492e86/e040bc78772a49af9f0a8cd57e3458ee/FLAG98c4d05cb [2025-02-06 08:01:38,053 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f7b492e86/e040bc78772a49af9f0a8cd57e3458ee [2025-02-06 08:01:38,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 08:01:38,057 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 08:01:38,058 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 08:01:38,059 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 08:01:38,062 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 08:01:38,063 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 08:01:38" (1/1) ... [2025-02-06 08:01:38,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31b90895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:01:38, skipping insertion in model container [2025-02-06 08:01:38,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 08:01:38" (1/1) ... [2025-02-06 08:01:38,205 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 08:01:41,895 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415292,415305] [2025-02-06 08:01:41,900 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415437,415450] [2025-02-06 08:01:41,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 08:01:41,951 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 08:01:42,042 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"); [6109] [2025-02-06 08:01:42,044 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)); [6116] [2025-02-06 08:01:42,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6123] [2025-02-06 08:01:42,047 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/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [6227-6228] [2025-02-06 08:01:42,048 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"); [6233-6235] [2025-02-06 08:01:42,048 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/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (809), "i" (12UL)); [6260-6261] [2025-02-06 08:01:42,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [6266-6268] [2025-02-06 08:01:42,049 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/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (814), "i" (12UL)); [6292-6293] [2025-02-06 08:01:42,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6298-6300] [2025-02-06 08:01:42,050 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; incl %0": "+m" (v->counter)); [6335] [2025-02-06 08:01:42,053 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/mm.h"), "i" (488), "i" (12UL)); [6535-6536] [2025-02-06 08:01:42,072 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)); [6919-6920] [2025-02-06 08:01:42,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6926] [2025-02-06 08:01:42,137 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (317), "i" (12UL)); [7618-7619] [2025-02-06 08:01:42,138 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/xen-netfront.c"), "i" (321), "i" (12UL)); [7632-7633] [2025-02-06 08:01:42,140 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7656] [2025-02-06 08:01:42,144 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7661] [2025-02-06 08:01:42,144 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7663] [2025-02-06 08:01:42,146 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/xen-netfront.c"), "i" (374), "i" (12UL)); [7737-7738] [2025-02-06 08:01:42,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7745] [2025-02-06 08:01:42,148 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/xen-netfront.c"), "i" (393), "i" (12UL)); [7764-7765] [2025-02-06 08:01:42,151 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7787] [2025-02-06 08:01:42,153 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/xen-netfront.c"), "i" (451), "i" (12UL)); [7868-7869] [2025-02-06 08:01:42,155 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/xen-netfront.c"), "i" (473), "i" (12UL)); [7909-7910] [2025-02-06 08:01:42,155 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/xen-netfront.c"), "i" (482), "i" (12UL)); [7924-7925] [2025-02-06 08:01:42,156 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/xen-netfront.c"), "i" (496), "i" (12UL)); [7950-7951] [2025-02-06 08:01:42,156 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/xen-netfront.c"), "i" (514), "i" (12UL)); [7977-7978] [2025-02-06 08:01:42,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("add %%gs:%P1, %0": "=r" (tcp_ptr__): "m" (this_cpu_off), "0" (np->stats)); [8093] [2025-02-06 08:01:42,162 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 *)"drivers/net/xen-netfront.c"), "i" (599), "i" (12UL)); [8207-8208] [2025-02-06 08:01:42,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8259] [2025-02-06 08:01:42,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8261] [2025-02-06 08:01:42,167 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/xen-netfront.c"), "i" (678), "i" (12UL)); [8324-8325] [2025-02-06 08:01:42,172 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/xen-netfront.c"), "i" (775), "i" (12UL)); [8507-8508] [2025-02-06 08:01:42,176 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/xen-netfront.c"), "i" (855), "i" (12UL)); [8657-8658] [2025-02-06 08:01:42,177 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/xen-netfront.c"), "i" (858), "i" (12UL)); [8674-8675] [2025-02-06 08:01:42,179 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("add %%gs:%P1, %0": "=r" (tcp_ptr__): "m" (this_cpu_off), "0" (np->stats)); [8752] [2025-02-06 08:01:42,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8840] [2025-02-06 08:01:42,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8955] [2025-02-06 08:01:42,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (np->stats)); [9027] [2025-02-06 08:01:42,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (np->stats)); [9397] [2025-02-06 08:01:42,292 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415292,415305] [2025-02-06 08:01:42,293 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415437,415450] [2025-02-06 08:01:42,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 08:01:42,513 INFO L204 MainTranslator]: Completed translation [2025-02-06 08:01:42,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:01:42 WrapperNode [2025-02-06 08:01:42,514 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 08:01:42,515 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 08:01:42,515 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 08:01:42,515 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 08:01:42,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:01:42" (1/1) ... [2025-02-06 08:01:42,626 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:01:42" (1/1) ... [2025-02-06 08:01:42,768 INFO L138 Inliner]: procedures = 561, calls = 2453, calls flagged for inlining = 267, calls inlined = 188, statements flattened = 4710 [2025-02-06 08:01:42,768 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 08:01:42,769 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 08:01:42,769 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 08:01:42,769 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 08:01:42,778 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:01:42" (1/1) ... [2025-02-06 08:01:42,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:01:42" (1/1) ... [2025-02-06 08:01:42,840 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:01:42" (1/1) ... [2025-02-06 08:01:43,576 INFO L175 MemorySlicer]: Split 706 memory accesses to 28 slices as follows [2, 1, 4, 12, 27, 5, 13, 2, 2, 21, 473, 1, 2, 6, 2, 4, 25, 0, 44, 28, 1, 3, 3, 3, 4, 3, 3, 12]. 67 percent of accesses are in the largest equivalence class. The 147 initializations are split as follows [0, 1, 4, 12, 27, 0, 0, 0, 0, 0, 64, 0, 0, 6, 2, 0, 0, 0, 0, 0, 0, 3, 3, 3, 4, 3, 3, 12]. The 342 writes are split as follows [1, 0, 0, 0, 0, 0, 0, 1, 1, 18, 225, 0, 1, 0, 0, 1, 24, 0, 44, 26, 0, 0, 0, 0, 0, 0, 0, 0]. [2025-02-06 08:01:43,577 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:01:42" (1/1) ... [2025-02-06 08:01:43,577 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:01:42" (1/1) ... [2025-02-06 08:01:43,702 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:01:42" (1/1) ... [2025-02-06 08:01:43,715 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:01:42" (1/1) ... [2025-02-06 08:01:43,753 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:01:42" (1/1) ... [2025-02-06 08:01:43,773 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:01:42" (1/1) ... [2025-02-06 08:01:43,823 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 08:01:43,826 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 08:01:43,826 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 08:01:43,826 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 08:01:43,827 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:01:42" (1/1) ... [2025-02-06 08:01:43,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 08:01:43,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 08:01:43,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 08:01:43,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 08:01:43,888 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2025-02-06 08:01:43,888 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2025-02-06 08:01:43,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-02-06 08:01:43,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-02-06 08:01:43,889 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2025-02-06 08:01:43,889 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2025-02-06 08:01:43,889 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2025-02-06 08:01:43,890 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2025-02-06 08:01:43,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-02-06 08:01:43,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-02-06 08:01:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_scanf [2025-02-06 08:01:43,891 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_scanf [2025-02-06 08:01:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_lock_of_netfront_info [2025-02-06 08:01:43,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_lock_of_netfront_info [2025-02-06 08:01:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2025-02-06 08:01:43,891 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2025-02-06 08:01:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2025-02-06 08:01:43,891 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2025-02-06 08:01:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_interrupt [2025-02-06 08:01:43,891 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_interrupt [2025-02-06 08:01:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2025-02-06 08:01:43,891 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2025-02-06 08:01:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2025-02-06 08:01:43,891 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2025-02-06 08:01:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2025-02-06 08:01:43,891 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2025-02-06 08:01:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2025-02-06 08:01:43,891 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2025-02-06 08:01:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2025-02-06 08:01:43,891 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2025-02-06 08:01:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2025-02-06 08:01:43,891 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2025-02-06 08:01:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2025-02-06 08:01:43,891 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2025-02-06 08:01:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2025-02-06 08:01:43,892 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2025-02-06 08:01:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2025-02-06 08:01:43,892 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2025-02-06 08:01:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2025-02-06 08:01:43,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2025-02-06 08:01:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2025-02-06 08:01:43,892 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2025-02-06 08:01:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-02-06 08:01:43,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-02-06 08:01:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2025-02-06 08:01:43,892 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2025-02-06 08:01:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 08:01:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2025-02-06 08:01:43,892 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2025-02-06 08:01:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2025-02-06 08:01:43,892 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2025-02-06 08:01:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2025-02-06 08:01:43,892 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2025-02-06 08:01:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2025-02-06 08:01:43,892 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2025-02-06 08:01:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2025-02-06 08:01:43,894 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2025-02-06 08:01:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2025-02-06 08:01:43,895 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2025-02-06 08:01:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2025-02-06 08:01:43,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2025-02-06 08:01:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2025-02-06 08:01:43,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2025-02-06 08:01:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 08:01:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 08:01:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 08:01:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 08:01:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 08:01:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 08:01:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 08:01:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-06 08:01:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-02-06 08:01:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-02-06 08:01:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-02-06 08:01:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-02-06 08:01:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-02-06 08:01:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-02-06 08:01:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-02-06 08:01:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-02-06 08:01:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-02-06 08:01:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-02-06 08:01:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-02-06 08:01:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-02-06 08:01:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-02-06 08:01:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-02-06 08:01:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-02-06 08:01:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2025-02-06 08:01:43,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2025-02-06 08:01:43,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2025-02-06 08:01:43,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2025-02-06 08:01:43,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2025-02-06 08:01:43,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-02-06 08:01:43,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-02-06 08:01:43,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 08:01:43,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 08:01:43,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 08:01:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 08:01:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 08:01:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 08:01:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 08:01:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-06 08:01:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-06 08:01:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-02-06 08:01:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-02-06 08:01:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-02-06 08:01:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-02-06 08:01:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-02-06 08:01:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-02-06 08:01:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-02-06 08:01:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-02-06 08:01:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-02-06 08:01:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-02-06 08:01:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-02-06 08:01:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-02-06 08:01:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-02-06 08:01:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-02-06 08:01:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2025-02-06 08:01:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2025-02-06 08:01:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2025-02-06 08:01:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2025-02-06 08:01:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2025-02-06 08:01:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2025-02-06 08:01:43,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2025-02-06 08:01:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2025-02-06 08:01:43,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2025-02-06 08:01:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_124 [2025-02-06 08:01:43,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_124 [2025-02-06 08:01:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2025-02-06 08:01:43,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2025-02-06 08:01:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2025-02-06 08:01:43,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2025-02-06 08:01:43,902 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2025-02-06 08:01:43,902 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2025-02-06 08:01:43,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2025-02-06 08:01:43,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2025-02-06 08:01:43,903 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2025-02-06 08:01:43,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2025-02-06 08:01:43,903 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2025-02-06 08:01:43,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2025-02-06 08:01:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 08:01:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2025-02-06 08:01:43,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2025-02-06 08:01:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 08:01:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-02-06 08:01:43,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-02-06 08:01:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 08:01:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 08:01:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 08:01:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 08:01:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 08:01:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 08:01:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 08:01:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-06 08:01:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-02-06 08:01:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-02-06 08:01:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-02-06 08:01:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-02-06 08:01:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-02-06 08:01:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-02-06 08:01:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-02-06 08:01:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-02-06 08:01:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-02-06 08:01:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-02-06 08:01:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-02-06 08:01:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-02-06 08:01:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2025-02-06 08:01:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2025-02-06 08:01:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2025-02-06 08:01:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2025-02-06 08:01:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2025-02-06 08:01:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2025-02-06 08:01:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2025-02-06 08:01:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2025-02-06 08:01:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2025-02-06 08:01:43,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2025-02-06 08:01:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2025-02-06 08:01:43,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2025-02-06 08:01:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2025-02-06 08:01:43,905 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2025-02-06 08:01:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2025-02-06 08:01:43,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2025-02-06 08:01:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2025-02-06 08:01:43,905 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2025-02-06 08:01:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2025-02-06 08:01:43,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2025-02-06 08:01:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2025-02-06 08:01:43,905 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2025-02-06 08:01:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_dev_fatal [2025-02-06 08:01:43,905 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_dev_fatal [2025-02-06 08:01:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2025-02-06 08:01:43,905 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2025-02-06 08:01:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 08:01:43,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 08:01:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_netif_exit_20_2 [2025-02-06 08:01:43,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_netif_exit_20_2 [2025-02-06 08:01:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2025-02-06 08:01:43,905 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2025-02-06 08:01:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 08:01:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 08:01:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 08:01:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 08:01:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 08:01:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 08:01:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 08:01:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-06 08:01:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-02-06 08:01:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-02-06 08:01:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-02-06 08:01:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-02-06 08:01:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-02-06 08:01:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-02-06 08:01:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-02-06 08:01:43,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-02-06 08:01:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-02-06 08:01:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-02-06 08:01:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-02-06 08:01:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2025-02-06 08:01:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2025-02-06 08:01:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2025-02-06 08:01:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2025-02-06 08:01:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2025-02-06 08:01:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2025-02-06 08:01:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2025-02-06 08:01:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2025-02-06 08:01:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2025-02-06 08:01:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-02-06 08:01:43,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-02-06 08:01:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2025-02-06 08:01:43,909 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2025-02-06 08:01:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2025-02-06 08:01:43,909 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2025-02-06 08:01:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2025-02-06 08:01:43,909 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2025-02-06 08:01:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2025-02-06 08:01:43,909 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2025-02-06 08:01:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2025-02-06 08:01:43,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2025-02-06 08:01:43,911 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2025-02-06 08:01:43,912 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2025-02-06 08:01:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-06 08:01:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-06 08:01:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-06 08:01:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-06 08:01:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-02-06 08:01:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-02-06 08:01:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-02-06 08:01:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-02-06 08:01:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-02-06 08:01:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-02-06 08:01:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-02-06 08:01:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-02-06 08:01:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-02-06 08:01:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2025-02-06 08:01:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2025-02-06 08:01:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2025-02-06 08:01:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2025-02-06 08:01:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2025-02-06 08:01:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2025-02-06 08:01:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2025-02-06 08:01:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2025-02-06 08:01:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2025-02-06 08:01:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2025-02-06 08:01:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2025-02-06 08:01:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2025-02-06 08:01:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2025-02-06 08:01:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2025-02-06 08:01:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#27 [2025-02-06 08:01:43,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-06 08:01:43,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-06 08:01:43,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-06 08:01:43,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-06 08:01:43,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-02-06 08:01:43,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-02-06 08:01:43,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-02-06 08:01:43,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-02-06 08:01:43,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-02-06 08:01:43,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-02-06 08:01:43,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-02-06 08:01:43,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-02-06 08:01:43,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-02-06 08:01:43,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2025-02-06 08:01:43,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2025-02-06 08:01:43,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2025-02-06 08:01:43,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2025-02-06 08:01:43,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2025-02-06 08:01:43,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2025-02-06 08:01:43,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2025-02-06 08:01:43,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2025-02-06 08:01:43,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2025-02-06 08:01:43,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2025-02-06 08:01:43,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2025-02-06 08:01:43,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2025-02-06 08:01:43,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2025-02-06 08:01:43,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2025-02-06 08:01:43,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#27 [2025-02-06 08:01:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2025-02-06 08:01:43,914 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2025-02-06 08:01:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2025-02-06 08:01:43,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2025-02-06 08:01:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2025-02-06 08:01:43,914 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2025-02-06 08:01:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2025-02-06 08:01:43,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2025-02-06 08:01:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 08:01:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_printf [2025-02-06 08:01:43,914 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_printf [2025-02-06 08:01:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2025-02-06 08:01:43,914 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2025-02-06 08:01:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2025-02-06 08:01:43,914 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2025-02-06 08:01:43,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_netfront_info [2025-02-06 08:01:43,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_netfront_info [2025-02-06 08:01:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 08:01:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 08:01:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 08:01:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 08:01:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 08:01:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 08:01:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 08:01:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-06 08:01:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-02-06 08:01:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-02-06 08:01:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-02-06 08:01:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-02-06 08:01:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-02-06 08:01:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-02-06 08:01:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-02-06 08:01:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-02-06 08:01:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-02-06 08:01:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-02-06 08:01:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-02-06 08:01:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-02-06 08:01:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2025-02-06 08:01:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2025-02-06 08:01:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2025-02-06 08:01:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2025-02-06 08:01:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2025-02-06 08:01:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2025-02-06 08:01:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2025-02-06 08:01:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2025-02-06 08:01:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2025-02-06 08:01:43,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2025-02-06 08:01:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_min [2025-02-06 08:01:43,921 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_min [2025-02-06 08:01:43,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2025-02-06 08:01:43,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2025-02-06 08:01:43,921 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-02-06 08:01:43,921 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-02-06 08:01:43,921 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2025-02-06 08:01:43,921 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2025-02-06 08:01:43,921 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2025-02-06 08:01:43,921 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2025-02-06 08:01:43,921 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2025-02-06 08:01:43,921 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2025-02-06 08:01:43,921 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2025-02-06 08:01:43,921 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2025-02-06 08:01:43,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2025-02-06 08:01:43,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2025-02-06 08:01:43,921 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2025-02-06 08:01:43,922 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2025-02-06 08:01:43,922 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2025-02-06 08:01:43,922 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2025-02-06 08:01:43,922 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2025-02-06 08:01:43,922 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2025-02-06 08:01:43,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_104 [2025-02-06 08:01:43,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_104 [2025-02-06 08:01:43,922 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2025-02-06 08:01:43,922 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2025-02-06 08:01:43,922 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2025-02-06 08:01:43,922 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2025-02-06 08:01:43,922 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2025-02-06 08:01:43,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2025-02-06 08:01:43,922 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2025-02-06 08:01:43,922 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2025-02-06 08:01:43,922 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2025-02-06 08:01:43,922 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2025-02-06 08:01:43,922 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2025-02-06 08:01:43,922 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2025-02-06 08:01:43,922 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2025-02-06 08:01:43,922 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2025-02-06 08:01:43,922 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2025-02-06 08:01:43,922 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2025-02-06 08:01:43,922 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-02-06 08:01:43,922 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-02-06 08:01:43,922 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2025-02-06 08:01:43,922 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2025-02-06 08:01:43,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 08:01:43,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 08:01:43,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 08:01:43,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 08:01:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 08:01:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 08:01:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 08:01:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-06 08:01:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-06 08:01:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-02-06 08:01:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-02-06 08:01:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-02-06 08:01:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-02-06 08:01:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-02-06 08:01:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-02-06 08:01:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-02-06 08:01:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-02-06 08:01:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-02-06 08:01:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-02-06 08:01:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-02-06 08:01:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-02-06 08:01:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-02-06 08:01:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-02-06 08:01:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2025-02-06 08:01:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2025-02-06 08:01:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2025-02-06 08:01:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2025-02-06 08:01:43,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2025-02-06 08:01:43,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-02-06 08:01:43,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-02-06 08:01:43,925 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2025-02-06 08:01:43,925 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2025-02-06 08:01:43,925 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rx_interrupt [2025-02-06 08:01:43,925 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rx_interrupt [2025-02-06 08:01:43,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2025-02-06 08:01:43,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2025-02-06 08:01:43,925 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2025-02-06 08:01:43,925 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2025-02-06 08:01:43,925 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2025-02-06 08:01:43,925 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2025-02-06 08:01:43,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_105 [2025-02-06 08:01:43,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_105 [2025-02-06 08:01:43,925 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_max [2025-02-06 08:01:43,925 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_max [2025-02-06 08:01:43,925 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2025-02-06 08:01:43,925 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2025-02-06 08:01:43,925 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2025-02-06 08:01:43,925 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2025-02-06 08:01:43,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2025-02-06 08:01:43,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2025-02-06 08:01:43,925 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_interrupt [2025-02-06 08:01:43,925 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_interrupt [2025-02-06 08:01:43,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_123 [2025-02-06 08:01:43,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_123 [2025-02-06 08:01:43,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 08:01:43,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 08:01:43,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 08:01:43,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 08:01:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 08:01:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 08:01:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 08:01:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-06 08:01:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-06 08:01:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-02-06 08:01:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-02-06 08:01:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-02-06 08:01:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-02-06 08:01:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-02-06 08:01:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-02-06 08:01:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-02-06 08:01:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-02-06 08:01:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-02-06 08:01:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-02-06 08:01:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-02-06 08:01:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-02-06 08:01:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-02-06 08:01:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-02-06 08:01:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2025-02-06 08:01:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2025-02-06 08:01:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2025-02-06 08:01:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2025-02-06 08:01:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2025-02-06 08:01:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-02-06 08:01:43,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-02-06 08:01:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2025-02-06 08:01:43,926 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2025-02-06 08:01:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2025-02-06 08:01:43,926 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2025-02-06 08:01:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2025-02-06 08:01:43,926 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2025-02-06 08:01:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2025-02-06 08:01:43,926 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2025-02-06 08:01:44,959 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 08:01:44,964 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 08:01:45,058 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6329: havoc atomic_read_#t~mem43#1; [2025-02-06 08:01:45,058 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15620: havoc __get_page_tail_#t~nondet1238#1; [2025-02-06 08:01:45,061 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-02-06 08:01:45,113 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7356: havoc skb_entry_is_link_#t~mem264#1.base, skb_entry_is_link_#t~mem264#1.offset; [2025-02-06 08:01:45,136 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6631: call ULTIMATE.dealloc(~#__key~0#1.base, ~#__key~0#1.offset);havoc ~#__key~0#1.base, ~#__key~0#1.offset; [2025-02-06 08:01:45,186 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15940: havoc #t~nondet1283; [2025-02-06 08:01:45,212 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15918: havoc #t~nondet1278; [2025-02-06 08:01:45,223 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15677: havoc #t~nondet1243; [2025-02-06 08:01:45,228 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15929: havoc #t~nondet1281; [2025-02-06 08:01:45,248 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15903: havoc #t~nondet1274; [2025-02-06 08:01:45,253 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15747: havoc #t~nondet1256; [2025-02-06 08:01:45,347 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L13405: havoc #t~mem1119.base, #t~mem1119.offset;havoc #t~mem1120.base, #t~mem1120.offset; [2025-02-06 08:01:45,354 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15888: havoc #t~nondet1271; [2025-02-06 08:01:45,364 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15743: havoc #t~nondet1255; [2025-02-06 08:01:45,370 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15907: havoc #t~nondet1275; [2025-02-06 08:01:45,378 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7444: havoc #t~mem274;havoc #t~mem275; [2025-02-06 08:01:45,400 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc #t~mem99.base, #t~mem99.offset;havoc #t~mem100; [2025-02-06 08:01:45,463 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10388: call ULTIMATE.dealloc(~#endp~0.base, ~#endp~0.offset);havoc ~#endp~0.base, ~#endp~0.offset; [2025-02-06 08:01:45,472 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15844: havoc #t~nondet1266; [2025-02-06 08:01:45,475 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15681: havoc #t~nondet1244; [2025-02-06 08:01:45,488 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6459: havoc xen_feature_#t~mem65#1; [2025-02-06 08:01:45,488 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15735: havoc get_phys_to_machine_#t~nondet1253#1; [2025-02-06 08:01:45,659 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L13108-1: ldv_mod_timer_103_#res#1 := ldv_mod_timer_103_~ldv_func_res~0#1; [2025-02-06 08:01:45,659 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L12374-1: ldv_mod_timer_#res#1 := ldv_mod_timer_~arg0#1; [2025-02-06 08:01:45,659 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15796: havoc mod_timer_#t~nondet1260#1; [2025-02-06 08:01:45,664 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6936: havoc #t~mem143.base, #t~mem143.offset; [2025-02-06 08:01:45,669 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15754: havoc #t~nondet1257; [2025-02-06 08:01:45,686 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15858: havoc #t~nondet1268; [2025-02-06 08:01:45,785 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15739: havoc #t~nondet1254; [2025-02-06 08:01:45,813 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15639: havoc #t~nondet1239; [2025-02-06 08:01:45,823 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6779: havoc #t~mem126.base, #t~mem126.offset; [2025-02-06 08:01:45,862 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6131: havoc #t~mem0;havoc #t~bitwise1; [2025-02-06 08:01:45,909 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15616: havoc #t~nondet1237; [2025-02-06 08:01:46,045 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6125: #res := 1; [2025-02-06 08:01:46,097 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15722: havoc find_next_bit_#t~nondet1252#1; [2025-02-06 08:01:46,155 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10477: call ULTIMATE.dealloc(~#endp~1.base, ~#endp~1.offset);havoc ~#endp~1.base, ~#endp~1.offset; [2025-02-06 08:01:46,167 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6615: havoc #t~mem102; [2025-02-06 08:01:52,831 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15696: havoc device_create_file_#t~nondet1247#1; [2025-02-06 08:01:52,831 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15899: havoc xenbus_frontend_closed_#t~nondet1273#1; [2025-02-06 08:01:52,832 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint main_returnLabel#1: #t~ret1285#1 := main_#res#1;havoc main_#t~ret1033#1, main_~tmp~80#1;assume { :end_inline_main } true; [2025-02-06 08:01:52,832 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L13194-1: ldv_alloc_etherdev_mqs_115_#res#1.base, ldv_alloc_etherdev_mqs_115_#res#1.offset := ldv_alloc_etherdev_mqs_115_~ldv_func_res~1#1.base, ldv_alloc_etherdev_mqs_115_~ldv_func_res~1#1.offset; [2025-02-06 08:01:52,832 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9634: call ULTIMATE.dealloc(xen_net_read_mac_~#e~0#1.base, xen_net_read_mac_~#e~0#1.offset);havoc xen_net_read_mac_~#e~0#1.base, xen_net_read_mac_~#e~0#1.offset;call ULTIMATE.dealloc(xen_net_read_mac_~#__constr_expr_0~1#1.base, xen_net_read_mac_~#__constr_expr_0~1#1.offset);havoc xen_net_read_mac_~#__constr_expr_0~1#1.base, xen_net_read_mac_~#__constr_expr_0~1#1.offset; [2025-02-06 08:01:52,832 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15910: havoc xenbus_read_#t~ret1276#1.base, xenbus_read_#t~ret1276#1.offset; [2025-02-06 08:01:52,832 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L13334-1: ldv_del_timer_sync_138_#res#1 := ldv_del_timer_sync_138_~ldv_func_res~3#1; [2025-02-06 08:01:52,832 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15649: havoc _dev_info_#t~nondet1241#1; [2025-02-06 08:01:52,832 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15914: havoc xenbus_register_frontend_#t~nondet1277#1; [2025-02-06 08:01:52,832 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15848: havoc register_netdev_#t~nondet1267#1; [2025-02-06 08:01:52,832 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L11092-1: ldv_del_timer_sync_#res#1 := ldv_del_timer_sync_~arg0#1; [2025-02-06 08:01:52,832 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10631: call ULTIMATE.dealloc(xennet_remove_~#descriptor~2#1.base, xennet_remove_~#descriptor~2#1.offset);havoc xennet_remove_~#descriptor~2#1.base, xennet_remove_~#descriptor~2#1.offset; [2025-02-06 08:01:52,832 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L12481-1: ldv_register_netdev_#res#1 := ldv_register_netdev_~arg0#1; [2025-02-06 08:01:52,832 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L12482-1: ldv_register_netdev_#res#1 := ldv_register_netdev_~arg0#1; [2025-02-06 08:01:52,832 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15786: havoc ldv_pre_register_netdev_#t~nondet1259#1; [2025-02-06 08:01:52,832 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15588: havoc __alloc_percpu_#t~ret1236#1.base, __alloc_percpu_#t~ret1236#1.offset; [2025-02-06 08:01:52,832 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15921: havoc xenbus_strstate_#t~ret1279#1.base, xenbus_strstate_#t~ret1279#1.offset; [2025-02-06 08:01:52,832 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L11035-1: ldv_alloc_etherdev_mqs_#res#1.base, ldv_alloc_etherdev_mqs_#res#1.offset := ldv_alloc_etherdev_mqs_~arg0#1.base, ldv_alloc_etherdev_mqs_~arg0#1.offset; [2025-02-06 08:01:52,832 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15925: havoc xenbus_switch_state_#t~nondet1280#1; [2025-02-06 08:01:52,832 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10178: call ULTIMATE.dealloc(netback_changed_~#descriptor~1#1.base, netback_changed_~#descriptor~1#1.offset);havoc netback_changed_~#descriptor~1#1.base, netback_changed_~#descriptor~1#1.offset; [2025-02-06 08:01:52,832 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9782: call ULTIMATE.dealloc(setup_netfront_~#feature_split_evtchn~0#1.base, setup_netfront_~#feature_split_evtchn~0#1.offset);havoc setup_netfront_~#feature_split_evtchn~0#1.base, setup_netfront_~#feature_split_evtchn~0#1.offset;call ULTIMATE.dealloc(setup_netfront_~#__constr_expr_0~2#1.base, setup_netfront_~#__constr_expr_0~2#1.offset);havoc setup_netfront_~#__constr_expr_0~2#1.base, setup_netfront_~#__constr_expr_0~2#1.offset; [2025-02-06 08:01:52,832 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L11038-1: ldv_alloc_etherdev_mqs_#res#1.base, ldv_alloc_etherdev_mqs_#res#1.offset := ldv_alloc_etherdev_mqs_~arg0#1.base, ldv_alloc_etherdev_mqs_~arg0#1.offset; [2025-02-06 08:01:52,832 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L11040-1: ldv_alloc_etherdev_mqs_#res#1.base, ldv_alloc_etherdev_mqs_#res#1.offset := ldv_alloc_etherdev_mqs_~arg0#1.base, ldv_alloc_etherdev_mqs_~arg0#1.offset; [2025-02-06 08:01:52,832 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15933: havoc xenbus_transaction_start_#t~nondet1282#1; [2025-02-06 08:01:52,832 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L13026-1: ldv_xenbus_register_frontend_#res#1 := ldv_xenbus_register_frontend_~arg0#1; [2025-02-06 08:01:52,832 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L13359-1: ldv_xenbus_register_frontend_140_#res#1 := ldv_xenbus_register_frontend_140_~ldv_func_res~4#1; [2025-02-06 08:01:52,832 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15673: havoc alloc_etherdev_mqs_#t~ret1242#1.base, alloc_etherdev_mqs_#t~ret1242#1.offset; [2025-02-06 08:01:52,832 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L13229-1: ldv_register_netdev_118_#res#1 := ldv_register_netdev_118_~ldv_func_res~2#1; [2025-02-06 08:01:52,833 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9926: call ULTIMATE.dealloc(talk_to_netback_~#xbt~0#1.base, talk_to_netback_~#xbt~0#1.offset);havoc talk_to_netback_~#xbt~0#1.base, talk_to_netback_~#xbt~0#1.offset; [2025-02-06 08:01:52,833 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9338: call ULTIMATE.dealloc(xennet_create_dev_~#__key~1#1.base, xennet_create_dev_~#__key~1#1.offset);havoc xennet_create_dev_~#__key~1#1.base, xennet_create_dev_~#__key~1#1.offset;call ULTIMATE.dealloc(xennet_create_dev_~#__key___0~0#1.base, xennet_create_dev_~#__key___0~0#1.offset);havoc xennet_create_dev_~#__key___0~0#1.base, xennet_create_dev_~#__key___0~0#1.offset;call ULTIMATE.dealloc(xennet_create_dev_~#__key___1~0#1.base, xennet_create_dev_~#__key___1~0#1.offset);havoc xennet_create_dev_~#__key___1~0#1.base, xennet_create_dev_~#__key___1~0#1.offset; [2025-02-06 08:01:52,833 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9604: call ULTIMATE.dealloc(netfront_resume_~#descriptor~0#1.base, netfront_resume_~#descriptor~0#1.offset);havoc netfront_resume_~#descriptor~0#1.base, netfront_resume_~#descriptor~0#1.offset; [2025-02-06 08:01:52,833 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-06 08:01:52,833 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15884: havoc xen_has_pv_nic_devices_#t~nondet1270#1; [2025-02-06 08:01:52,833 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15688: havoc del_timer_sync_#t~nondet1245#1; [2025-02-06 08:01:52,833 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10076: call ULTIMATE.dealloc(xennet_connect_~#feature_rx_copy~0#1.base, xennet_connect_~#feature_rx_copy~0#1.offset);havoc xennet_connect_~#feature_rx_copy~0#1.base, xennet_connect_~#feature_rx_copy~0#1.offset;call ULTIMATE.dealloc(xennet_connect_~#__constr_expr_0~3#1.base, xennet_connect_~#__constr_expr_0~3#1.offset);havoc xennet_connect_~#__constr_expr_0~3#1.base, xennet_connect_~#__constr_expr_0~3#1.offset; [2025-02-06 08:01:52,866 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15895: havoc #t~nondet1272; [2025-02-06 08:01:54,102 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15837: havoc netpoll_trap_#t~nondet1265#1; [2025-02-06 08:01:54,103 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L15764: havoc gnttab_query_foreign_access_#t~nondet1258#1; [2025-02-06 08:01:54,976 INFO L? ?]: Removed 2015 outVars from TransFormulas that were not future-live. [2025-02-06 08:01:54,976 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 08:01:55,054 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 08:01:55,056 INFO L337 CfgBuilder]: Removed 1 assume(true) statements. [2025-02-06 08:01:55,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 08:01:55 BoogieIcfgContainer [2025-02-06 08:01:55,056 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 08:01:55,059 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 08:01:55,059 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 08:01:55,063 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 08:01:55,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 08:01:38" (1/3) ... [2025-02-06 08:01:55,064 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b7980db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 08:01:55, skipping insertion in model container [2025-02-06 08:01:55,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:01:42" (2/3) ... [2025-02-06 08:01:55,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b7980db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 08:01:55, skipping insertion in model container [2025-02-06 08:01:55,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 08:01:55" (3/3) ... [2025-02-06 08:01:55,066 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2025-02-06 08:01:55,081 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 08:01:55,085 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i that has 139 procedures, 1831 locations, 1 initial locations, 33 loop locations, and 1 error locations. [2025-02-06 08:01:55,175 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 08:01:55,188 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;@22266bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 08:01:55,188 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 08:01:55,197 INFO L276 IsEmpty]: Start isEmpty. Operand has 1721 states, 1151 states have (on average 1.261511728931364) internal successors, (1452), 1173 states have internal predecessors, (1452), 459 states have call successors, (459), 111 states have call predecessors, (459), 110 states have return successors, (454), 449 states have call predecessors, (454), 454 states have call successors, (454) [2025-02-06 08:01:55,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2025-02-06 08:01:55,243 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 08:01:55,246 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 29, 29, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 08:01:55,246 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 08:01:55,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:01:55,252 INFO L85 PathProgramCache]: Analyzing trace with hash -501290116, now seen corresponding path program 1 times [2025-02-06 08:01:55,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:01:55,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328987754] [2025-02-06 08:01:55,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:01:55,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:01:59,571 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 460 statements into 1 equivalence classes. [2025-02-06 08:02:00,023 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 460 of 460 statements. [2025-02-06 08:02:00,026 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:02:00,026 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:02:00,983 INFO L134 CoverageAnalysis]: Checked inductivity of 3756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3756 trivial. 0 not checked. [2025-02-06 08:02:00,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 08:02:00,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328987754] [2025-02-06 08:02:00,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328987754] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 08:02:00,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 08:02:00,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 08:02:00,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477049008] [2025-02-06 08:02:00,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 08:02:00,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 08:02:00,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 08:02:01,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 08:02:01,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 08:02:01,018 INFO L87 Difference]: Start difference. First operand has 1721 states, 1151 states have (on average 1.261511728931364) internal successors, (1452), 1173 states have internal predecessors, (1452), 459 states have call successors, (459), 111 states have call predecessors, (459), 110 states have return successors, (454), 449 states have call predecessors, (454), 454 states have call successors, (454) Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2025-02-06 08:02:05,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 08:02:06,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 08:02:06,355 INFO L93 Difference]: Finished difference Result 4982 states and 6885 transitions. [2025-02-06 08:02:06,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 08:02:06,357 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 460 [2025-02-06 08:02:06,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 08:02:06,404 INFO L225 Difference]: With dead ends: 4982 [2025-02-06 08:02:06,405 INFO L226 Difference]: Without dead ends: 3234 [2025-02-06 08:02:06,423 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 [2025-02-06 08:02:06,426 INFO L435 NwaCegarLoop]: 2368 mSDtfsCounter, 2180 mSDsluCounter, 2317 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2180 SdHoareTripleChecker+Valid, 4685 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2025-02-06 08:02:06,428 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2180 Valid, 4685 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 41 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2025-02-06 08:02:06,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3234 states. [2025-02-06 08:02:06,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3234 to 3230. [2025-02-06 08:02:06,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3230 states, 2197 states have (on average 1.2562585343650432) internal successors, (2760), 2241 states have internal predecessors, (2760), 816 states have call successors, (816), 216 states have call predecessors, (816), 216 states have return successors, (816), 804 states have call predecessors, (816), 816 states have call successors, (816) [2025-02-06 08:02:06,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3230 states to 3230 states and 4392 transitions. [2025-02-06 08:02:06,735 INFO L78 Accepts]: Start accepts. Automaton has 3230 states and 4392 transitions. Word has length 460 [2025-02-06 08:02:06,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 08:02:06,736 INFO L471 AbstractCegarLoop]: Abstraction has 3230 states and 4392 transitions. [2025-02-06 08:02:06,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2025-02-06 08:02:06,737 INFO L276 IsEmpty]: Start isEmpty. Operand 3230 states and 4392 transitions. [2025-02-06 08:02:06,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2025-02-06 08:02:06,768 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 08:02:06,768 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 29, 29, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 08:02:06,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 08:02:06,769 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 08:02:06,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:02:06,769 INFO L85 PathProgramCache]: Analyzing trace with hash 894567038, now seen corresponding path program 1 times [2025-02-06 08:02:06,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:02:06,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24804493] [2025-02-06 08:02:06,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:02:06,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:02:11,077 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 465 statements into 1 equivalence classes. [2025-02-06 08:02:11,224 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 465 of 465 statements. [2025-02-06 08:02:11,224 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:02:11,224 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:02:11,974 INFO L134 CoverageAnalysis]: Checked inductivity of 3768 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3768 trivial. 0 not checked. [2025-02-06 08:02:11,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 08:02:11,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24804493] [2025-02-06 08:02:11,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24804493] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 08:02:11,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 08:02:11,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 08:02:11,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567006741] [2025-02-06 08:02:11,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 08:02:11,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 08:02:11,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 08:02:11,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 08:02:11,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 08:02:11,979 INFO L87 Difference]: Start difference. First operand 3230 states and 4392 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2025-02-06 08:02:16,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 08:02:17,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 08:02:17,173 INFO L93 Difference]: Finished difference Result 9473 states and 12855 transitions. [2025-02-06 08:02:17,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 08:02:17,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 465 [2025-02-06 08:02:17,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 08:02:17,219 INFO L225 Difference]: With dead ends: 9473 [2025-02-06 08:02:17,220 INFO L226 Difference]: Without dead ends: 6306 [2025-02-06 08:02:17,236 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 08:02:17,238 INFO L435 NwaCegarLoop]: 2327 mSDtfsCounter, 2109 mSDsluCounter, 2241 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2109 SdHoareTripleChecker+Valid, 4568 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2025-02-06 08:02:17,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2109 Valid, 4568 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 41 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2025-02-06 08:02:17,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6306 states. [2025-02-06 08:02:17,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6306 to 6300. [2025-02-06 08:02:17,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6300 states, 4293 states have (on average 1.25553226182157) internal successors, (5390), 4383 states have internal predecessors, (5390), 1575 states have call successors, (1575), 431 states have call predecessors, (1575), 431 states have return successors, (1575), 1549 states have call predecessors, (1575), 1575 states have call successors, (1575) [2025-02-06 08:02:17,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6300 states to 6300 states and 8540 transitions. [2025-02-06 08:02:17,664 INFO L78 Accepts]: Start accepts. Automaton has 6300 states and 8540 transitions. Word has length 465 [2025-02-06 08:02:17,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 08:02:17,667 INFO L471 AbstractCegarLoop]: Abstraction has 6300 states and 8540 transitions. [2025-02-06 08:02:17,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2025-02-06 08:02:17,667 INFO L276 IsEmpty]: Start isEmpty. Operand 6300 states and 8540 transitions. [2025-02-06 08:02:17,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2025-02-06 08:02:17,689 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 08:02:17,689 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 29, 29, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 08:02:17,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 08:02:17,690 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 08:02:17,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:02:17,690 INFO L85 PathProgramCache]: Analyzing trace with hash -193986036, now seen corresponding path program 1 times [2025-02-06 08:02:17,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:02:17,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5516309] [2025-02-06 08:02:17,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:02:17,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:02:21,613 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 466 statements into 1 equivalence classes. [2025-02-06 08:02:21,772 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 466 of 466 statements. [2025-02-06 08:02:21,773 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:02:21,773 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:02:22,409 INFO L134 CoverageAnalysis]: Checked inductivity of 3768 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3768 trivial. 0 not checked. [2025-02-06 08:02:22,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 08:02:22,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5516309] [2025-02-06 08:02:22,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5516309] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 08:02:22,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 08:02:22,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 08:02:22,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547524697] [2025-02-06 08:02:22,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 08:02:22,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 08:02:22,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 08:02:22,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 08:02:22,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 08:02:22,413 INFO L87 Difference]: Start difference. First operand 6300 states and 8540 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2025-02-06 08:02:26,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 08:02:28,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 08:02:28,212 INFO L93 Difference]: Finished difference Result 18597 states and 25168 transitions. [2025-02-06 08:02:28,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 08:02:28,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 466 [2025-02-06 08:02:28,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 08:02:28,351 INFO L225 Difference]: With dead ends: 18597 [2025-02-06 08:02:28,351 INFO L226 Difference]: Without dead ends: 12360 [2025-02-06 08:02:28,387 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 08:02:28,390 INFO L435 NwaCegarLoop]: 2695 mSDtfsCounter, 2109 mSDsluCounter, 2242 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2109 SdHoareTripleChecker+Valid, 4937 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2025-02-06 08:02:28,391 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2109 Valid, 4937 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 42 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2025-02-06 08:02:28,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12360 states. [2025-02-06 08:02:28,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12360 to 12352. [2025-02-06 08:02:29,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12352 states, 8427 states have (on average 1.2534709861160556) internal successors, (10563), 8609 states have internal predecessors, (10563), 3065 states have call successors, (3065), 859 states have call predecessors, (3065), 859 states have return successors, (3065), 3011 states have call predecessors, (3065), 3065 states have call successors, (3065) [2025-02-06 08:02:29,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12352 states to 12352 states and 16693 transitions. [2025-02-06 08:02:29,080 INFO L78 Accepts]: Start accepts. Automaton has 12352 states and 16693 transitions. Word has length 466 [2025-02-06 08:02:29,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 08:02:29,083 INFO L471 AbstractCegarLoop]: Abstraction has 12352 states and 16693 transitions. [2025-02-06 08:02:29,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2025-02-06 08:02:29,083 INFO L276 IsEmpty]: Start isEmpty. Operand 12352 states and 16693 transitions. [2025-02-06 08:02:29,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2025-02-06 08:02:29,121 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 08:02:29,122 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 29, 29, 29, 29, 29, 29, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 08:02:29,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 08:02:29,123 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 08:02:29,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:02:29,125 INFO L85 PathProgramCache]: Analyzing trace with hash 41796058, now seen corresponding path program 1 times [2025-02-06 08:02:29,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:02:29,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650633097] [2025-02-06 08:02:29,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:02:29,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:02:33,078 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 482 statements into 1 equivalence classes. [2025-02-06 08:02:33,237 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 482 of 482 statements. [2025-02-06 08:02:33,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:02:33,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:02:33,914 INFO L134 CoverageAnalysis]: Checked inductivity of 3861 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3858 trivial. 0 not checked. [2025-02-06 08:02:33,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 08:02:33,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650633097] [2025-02-06 08:02:33,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650633097] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 08:02:33,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 08:02:33,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 08:02:33,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250177272] [2025-02-06 08:02:33,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 08:02:33,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 08:02:33,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 08:02:33,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 08:02:33,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 08:02:33,917 INFO L87 Difference]: Start difference. First operand 12352 states and 16693 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2025-02-06 08:02:37,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 08:02:39,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 08:02:39,263 INFO L93 Difference]: Finished difference Result 26160 states and 35261 transitions. [2025-02-06 08:02:39,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 08:02:39,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 482 [2025-02-06 08:02:39,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 08:02:39,393 INFO L225 Difference]: With dead ends: 26160 [2025-02-06 08:02:39,393 INFO L226 Difference]: Without dead ends: 13871 [2025-02-06 08:02:39,456 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 08:02:39,457 INFO L435 NwaCegarLoop]: 2493 mSDtfsCounter, 1913 mSDsluCounter, 2212 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1913 SdHoareTripleChecker+Valid, 4705 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2025-02-06 08:02:39,458 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1913 Valid, 4705 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2025-02-06 08:02:39,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13871 states. [2025-02-06 08:02:40,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13871 to 13869. [2025-02-06 08:02:40,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13869 states, 9462 states have (on average 1.2499471570492495) internal successors, (11827), 9665 states have internal predecessors, (11827), 3414 states have call successors, (3414), 992 states have call predecessors, (3414), 992 states have return successors, (3414), 3355 states have call predecessors, (3414), 3414 states have call successors, (3414) [2025-02-06 08:02:40,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13869 states to 13869 states and 18655 transitions. [2025-02-06 08:02:40,311 INFO L78 Accepts]: Start accepts. Automaton has 13869 states and 18655 transitions. Word has length 482 [2025-02-06 08:02:40,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 08:02:40,312 INFO L471 AbstractCegarLoop]: Abstraction has 13869 states and 18655 transitions. [2025-02-06 08:02:40,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2025-02-06 08:02:40,313 INFO L276 IsEmpty]: Start isEmpty. Operand 13869 states and 18655 transitions. [2025-02-06 08:02:40,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 530 [2025-02-06 08:02:40,371 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 08:02:40,371 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 29, 29, 29, 29, 29, 29, 7, 7, 7, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 08:02:40,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 08:02:40,371 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 08:02:40,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:02:40,372 INFO L85 PathProgramCache]: Analyzing trace with hash -2004230360, now seen corresponding path program 1 times [2025-02-06 08:02:40,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:02:40,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270049664] [2025-02-06 08:02:40,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:02:40,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:02:43,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 529 statements into 1 equivalence classes. [2025-02-06 08:02:43,851 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 529 of 529 statements. [2025-02-06 08:02:43,851 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:02:43,852 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:02:44,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4122 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4107 trivial. 0 not checked. [2025-02-06 08:02:44,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 08:02:44,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270049664] [2025-02-06 08:02:44,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270049664] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 08:02:44,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 08:02:44,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 08:02:44,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149420826] [2025-02-06 08:02:44,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 08:02:44,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 08:02:44,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 08:02:44,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 08:02:44,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 08:02:44,427 INFO L87 Difference]: Start difference. First operand 13869 states and 18655 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2025-02-06 08:02:48,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 08:02:50,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 08:02:50,026 INFO L93 Difference]: Finished difference Result 38261 states and 51495 transitions. [2025-02-06 08:02:50,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 08:02:50,026 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) Word has length 529 [2025-02-06 08:02:50,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 08:02:50,169 INFO L225 Difference]: With dead ends: 38261 [2025-02-06 08:02:50,170 INFO L226 Difference]: Without dead ends: 25796 [2025-02-06 08:02:50,226 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 08:02:50,228 INFO L435 NwaCegarLoop]: 4376 mSDtfsCounter, 2107 mSDsluCounter, 2253 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2107 SdHoareTripleChecker+Valid, 6629 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2025-02-06 08:02:50,228 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2107 Valid, 6629 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2025-02-06 08:02:50,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25796 states.