./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 3ddf607d1745197f42ec93d91371fe3b581377117340b3a7d449f25d43cdec16 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 10:04:01,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 10:04:01,299 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 10:04:01,304 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 10:04:01,306 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 10:04:01,326 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 10:04:01,327 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 10:04:01,327 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 10:04:01,327 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 10:04:01,327 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 10:04:01,328 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 10:04:01,328 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 10:04:01,328 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 10:04:01,328 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 10:04:01,329 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 10:04:01,329 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 10:04:01,329 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 10:04:01,329 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 10:04:01,329 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 10:04:01,329 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 10:04:01,330 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 10:04:01,330 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 10:04:01,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 10:04:01,330 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 10:04:01,330 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 10:04:01,330 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 10:04:01,330 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 10:04:01,330 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 10:04:01,330 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 10:04:01,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 10:04:01,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 10:04:01,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 10:04:01,330 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 10:04:01,330 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 10:04:01,330 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 10:04:01,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 10:04:01,330 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 10:04:01,330 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 10:04:01,330 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 10:04:01,330 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 10:04:01,330 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/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 -> 3ddf607d1745197f42ec93d91371fe3b581377117340b3a7d449f25d43cdec16 [2025-03-17 10:04:01,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 10:04:01,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 10:04:01,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 10:04:01,572 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 10:04:01,573 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 10:04:01,574 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2025-03-17 10:04:02,816 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cd18ec85/bb48bb02430646abb10a34e3b6c84165/FLAG8c0662b23 [2025-03-17 10:04:03,453 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 10:04:03,454 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2025-03-17 10:04:03,503 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cd18ec85/bb48bb02430646abb10a34e3b6c84165/FLAG8c0662b23 [2025-03-17 10:04:03,524 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cd18ec85/bb48bb02430646abb10a34e3b6c84165 [2025-03-17 10:04:03,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 10:04:03,528 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 10:04:03,529 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 10:04:03,529 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 10:04:03,532 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 10:04:03,533 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 10:04:03" (1/1) ... [2025-03-17 10:04:03,533 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ee9c86d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:04:03, skipping insertion in model container [2025-03-17 10:04:03,534 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 10:04:03" (1/1) ... [2025-03-17 10:04:03,636 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 10:04:07,654 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402050,402063] [2025-03-17 10:04:07,656 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402195,402208] [2025-03-17 10:04:07,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 10:04:07,755 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 10:04:07,825 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"); [6124] [2025-03-17 10:04:07,826 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)); [6131] [2025-03-17 10:04:07,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6138] [2025-03-17 10:04:07,829 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/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/dfaa16b/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [6242-6243] [2025-03-17 10:04:07,832 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"); [6248-6250] [2025-03-17 10:04:07,833 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/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/dfaa16b/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (809), "i" (12UL)); [6275-6276] [2025-03-17 10:04:07,833 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"); [6281-6283] [2025-03-17 10:04:07,833 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/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/dfaa16b/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (814), "i" (12UL)); [6307-6308] [2025-03-17 10:04:07,834 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"); [6313-6315] [2025-03-17 10:04:07,834 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)); [6350] [2025-03-17 10:04:07,837 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)); [6550-6551] [2025-03-17 10:04:07,854 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)); [6934-6935] [2025-03-17 10:04:07,854 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6941] [2025-03-17 10:04:07,873 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)); [7633-7634] [2025-03-17 10:04:07,874 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)); [7647-7648] [2025-03-17 10:04:07,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7671] [2025-03-17 10:04:07,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7676] [2025-03-17 10:04:07,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7678] [2025-03-17 10:04:07,877 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)); [7752-7753] [2025-03-17 10:04:07,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7760] [2025-03-17 10:04:07,878 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)); [7779-7780] [2025-03-17 10:04:07,879 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7802] [2025-03-17 10:04:07,881 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)); [7883-7884] [2025-03-17 10:04:07,885 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)); [7924-7925] [2025-03-17 10:04:07,885 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)); [7939-7940] [2025-03-17 10:04:07,886 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)); [7965-7966] [2025-03-17 10:04:07,886 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)); [7992-7993] [2025-03-17 10:04:07,888 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)); [8108] [2025-03-17 10:04:07,915 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)); [8222-8223] [2025-03-17 10:04:07,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8274] [2025-03-17 10:04:07,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8276] [2025-03-17 10:04:07,919 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)); [8339-8340] [2025-03-17 10:04:07,922 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)); [8522-8523] [2025-03-17 10:04:07,926 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)); [8672-8673] [2025-03-17 10:04:07,926 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)); [8689-8690] [2025-03-17 10:04:07,928 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)); [8767] [2025-03-17 10:04:07,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8855] [2025-03-17 10:04:07,932 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8970] [2025-03-17 10:04:07,933 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (np->stats)); [9042] [2025-03-17 10:04:07,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (np->stats)); [9412] [2025-03-17 10:04:08,018 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402050,402063] [2025-03-17 10:04:08,018 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402195,402208] [2025-03-17 10:04:08,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 10:04:08,237 INFO L204 MainTranslator]: Completed translation [2025-03-17 10:04:08,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:04:08 WrapperNode [2025-03-17 10:04:08,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 10:04:08,243 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 10:04:08,243 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 10:04:08,243 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 10:04:08,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:04:08" (1/1) ... [2025-03-17 10:04:08,360 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:04:08" (1/1) ... [2025-03-17 10:04:08,522 INFO L138 Inliner]: procedures = 546, calls = 2404, calls flagged for inlining = 260, calls inlined = 202, statements flattened = 5297 [2025-03-17 10:04:08,523 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 10:04:08,524 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 10:04:08,524 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 10:04:08,524 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 10:04:08,531 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:04:08" (1/1) ... [2025-03-17 10:04:08,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:04:08" (1/1) ... [2025-03-17 10:04:08,568 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:04:08" (1/1) ... [2025-03-17 10:04:09,284 INFO L175 MemorySlicer]: Split 868 memory accesses to 30 slices as follows [12, 1, 2, 2, 5, 653, 4, 4, 13, 2, 4, 3, 2, 0, 18, 8, 4, 2, 2, 2, 2, 27, 44, 1, 4, 10, 2, 21, 12, 2]. 75 percent of accesses are in the largest equivalence class. The 147 initializations are split as follows [12, 1, 0, 0, 0, 64, 4, 0, 0, 0, 0, 3, 0, 0, 18, 0, 4, 2, 0, 0, 0, 27, 0, 0, 0, 0, 0, 0, 12, 0]. The 407 writes are split as follows [0, 0, 1, 1, 0, 324, 0, 0, 0, 1, 2, 0, 0, 0, 0, 4, 0, 0, 1, 1, 1, 0, 44, 0, 1, 6, 1, 18, 0, 1]. [2025-03-17 10:04:09,284 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:04:08" (1/1) ... [2025-03-17 10:04:09,284 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:04:08" (1/1) ... [2025-03-17 10:04:09,368 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:04:08" (1/1) ... [2025-03-17 10:04:09,377 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:04:08" (1/1) ... [2025-03-17 10:04:09,404 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:04:08" (1/1) ... [2025-03-17 10:04:09,426 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:04:08" (1/1) ... [2025-03-17 10:04:09,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 10:04:09,476 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 10:04:09,477 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 10:04:09,477 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 10:04:09,479 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:04:08" (1/1) ... [2025-03-17 10:04:09,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 10:04:09,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 10:04:09,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 10:04:09,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 10:04:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2025-03-17 10:04:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2025-03-17 10:04:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-03-17 10:04:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-03-17 10:04:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2025-03-17 10:04:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2025-03-17 10:04:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2025-03-17 10:04:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2025-03-17 10:04:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-17 10:04:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-17 10:04:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_scanf [2025-03-17 10:04:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_scanf [2025-03-17 10:04:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_lock_of_netfront_info [2025-03-17 10:04:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_lock_of_netfront_info [2025-03-17 10:04:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2025-03-17 10:04:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2025-03-17 10:04:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2025-03-17 10:04:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2025-03-17 10:04:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_interrupt [2025-03-17 10:04:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_interrupt [2025-03-17 10:04:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2025-03-17 10:04:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2025-03-17 10:04:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2025-03-17 10:04:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2025-03-17 10:04:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2025-03-17 10:04:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2025-03-17 10:04:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2025-03-17 10:04:09,529 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2025-03-17 10:04:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2025-03-17 10:04:09,529 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2025-03-17 10:04:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2025-03-17 10:04:09,529 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2025-03-17 10:04:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2025-03-17 10:04:09,529 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2025-03-17 10:04:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2025-03-17 10:04:09,529 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2025-03-17 10:04:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2025-03-17 10:04:09,529 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2025-03-17 10:04:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2025-03-17 10:04:09,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2025-03-17 10:04:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2025-03-17 10:04:09,529 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2025-03-17 10:04:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-03-17 10:04:09,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-03-17 10:04:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2025-03-17 10:04:09,529 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2025-03-17 10:04:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 10:04:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2025-03-17 10:04:09,529 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2025-03-17 10:04:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2025-03-17 10:04:09,529 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2025-03-17 10:04:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2025-03-17 10:04:09,529 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2025-03-17 10:04:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2025-03-17 10:04:09,529 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2025-03-17 10:04:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-17 10:04:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-17 10:04:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-17 10:04:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-17 10:04:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-17 10:04:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-17 10:04:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-17 10:04:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-17 10:04:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-17 10:04:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-03-17 10:04:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-03-17 10:04:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-03-17 10:04:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-03-17 10:04:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-03-17 10:04:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2025-03-17 10:04:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2025-03-17 10:04:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2025-03-17 10:04:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2025-03-17 10:04:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2025-03-17 10:04:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2025-03-17 10:04:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2025-03-17 10:04:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2025-03-17 10:04:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2025-03-17 10:04:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2025-03-17 10:04:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#24 [2025-03-17 10:04:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#25 [2025-03-17 10:04:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#26 [2025-03-17 10:04:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#27 [2025-03-17 10:04:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#28 [2025-03-17 10:04:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#29 [2025-03-17 10:04:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2025-03-17 10:04:09,532 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2025-03-17 10:04:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2025-03-17 10:04:09,532 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2025-03-17 10:04:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2025-03-17 10:04:09,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2025-03-17 10:04:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2025-03-17 10:04:09,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2025-03-17 10:04:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 10:04:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 10:04:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-03-17 10:04:09,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_poll_controller [2025-03-17 10:04:09,533 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_poll_controller [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 10:04:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 10:04:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 10:04:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 10:04:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 10:04:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-17 10:04:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-17 10:04:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-17 10:04:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-17 10:04:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-17 10:04:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-17 10:04:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-17 10:04:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-17 10:04:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-17 10:04:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-17 10:04:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-17 10:04:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-03-17 10:04:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-03-17 10:04:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-03-17 10:04:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-03-17 10:04:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2025-03-17 10:04:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2025-03-17 10:04:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2025-03-17 10:04:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2025-03-17 10:04:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2025-03-17 10:04:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2025-03-17 10:04:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2025-03-17 10:04:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2025-03-17 10:04:09,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2025-03-17 10:04:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-17 10:04:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-17 10:04:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-17 10:04:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-17 10:04:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-17 10:04:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-17 10:04:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-03-17 10:04:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-03-17 10:04:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2025-03-17 10:04:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2025-03-17 10:04:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2025-03-17 10:04:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2025-03-17 10:04:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2025-03-17 10:04:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2025-03-17 10:04:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2025-03-17 10:04:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2025-03-17 10:04:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2025-03-17 10:04:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2025-03-17 10:04:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2025-03-17 10:04:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2025-03-17 10:04:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2025-03-17 10:04:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2025-03-17 10:04:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2025-03-17 10:04:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#23 [2025-03-17 10:04:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#24 [2025-03-17 10:04:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#25 [2025-03-17 10:04:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#26 [2025-03-17 10:04:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#27 [2025-03-17 10:04:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#28 [2025-03-17 10:04:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#29 [2025-03-17 10:04:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-17 10:04:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-17 10:04:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-17 10:04:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-17 10:04:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-17 10:04:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-17 10:04:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-03-17 10:04:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-03-17 10:04:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2025-03-17 10:04:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2025-03-17 10:04:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2025-03-17 10:04:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2025-03-17 10:04:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2025-03-17 10:04:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2025-03-17 10:04:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2025-03-17 10:04:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2025-03-17 10:04:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2025-03-17 10:04:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2025-03-17 10:04:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2025-03-17 10:04:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2025-03-17 10:04:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2025-03-17 10:04:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2025-03-17 10:04:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2025-03-17 10:04:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#23 [2025-03-17 10:04:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#24 [2025-03-17 10:04:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#25 [2025-03-17 10:04:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#26 [2025-03-17 10:04:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#27 [2025-03-17 10:04:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#28 [2025-03-17 10:04:09,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#29 [2025-03-17 10:04:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2025-03-17 10:04:09,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2025-03-17 10:04:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_124 [2025-03-17 10:04:09,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_124 [2025-03-17 10:04:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2025-03-17 10:04:09,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2025-03-17 10:04:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get [2025-03-17 10:04:09,541 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get [2025-03-17 10:04:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2025-03-17 10:04:09,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2025-03-17 10:04:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2025-03-17 10:04:09,541 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2025-03-17 10:04:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2025-03-17 10:04:09,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2025-03-17 10:04:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2025-03-17 10:04:09,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2025-03-17 10:04:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_uninit [2025-03-17 10:04:09,541 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_uninit [2025-03-17 10:04:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2025-03-17 10:04:09,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2025-03-17 10:04:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 10:04:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 10:04:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-03-17 10:04:09,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-03-17 10:04:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 10:04:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 10:04:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 10:04:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 10:04:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 10:04:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 10:04:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 10:04:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 10:04:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-17 10:04:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-17 10:04:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-17 10:04:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-17 10:04:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-17 10:04:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-17 10:04:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-17 10:04:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-17 10:04:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-17 10:04:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-17 10:04:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-03-17 10:04:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-03-17 10:04:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2025-03-17 10:04:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2025-03-17 10:04:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2025-03-17 10:04:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2025-03-17 10:04:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2025-03-17 10:04:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2025-03-17 10:04:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2025-03-17 10:04:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2025-03-17 10:04:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2025-03-17 10:04:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2025-03-17 10:04:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2025-03-17 10:04:09,542 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2025-03-17 10:04:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2025-03-17 10:04:09,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2025-03-17 10:04:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2025-03-17 10:04:09,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2025-03-17 10:04:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2025-03-17 10:04:09,542 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2025-03-17 10:04:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2025-03-17 10:04:09,542 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2025-03-17 10:04:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2025-03-17 10:04:09,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2025-03-17 10:04:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2025-03-17 10:04:09,542 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2025-03-17 10:04:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2025-03-17 10:04:09,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2025-03-17 10:04:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2025-03-17 10:04:09,545 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2025-03-17 10:04:09,546 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2025-03-17 10:04:09,546 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2025-03-17 10:04:09,546 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_dev_fatal [2025-03-17 10:04:09,546 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_dev_fatal [2025-03-17 10:04:09,546 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2025-03-17 10:04:09,546 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2025-03-17 10:04:09,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 10:04:09,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 10:04:09,546 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2025-03-17 10:04:09,546 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2025-03-17 10:04:09,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-17 10:04:09,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-17 10:04:09,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-17 10:04:09,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-17 10:04:09,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-17 10:04:09,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-17 10:04:09,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-17 10:04:09,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-17 10:04:09,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-17 10:04:09,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#25 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#26 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#27 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#28 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#29 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#28 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#29 [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-17 10:04:09,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-17 10:04:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2025-03-17 10:04:09,547 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2025-03-17 10:04:09,548 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2025-03-17 10:04:09,548 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2025-03-17 10:04:09,548 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2025-03-17 10:04:09,548 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2025-03-17 10:04:09,548 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2025-03-17 10:04:09,548 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2025-03-17 10:04:09,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2025-03-17 10:04:09,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2025-03-17 10:04:09,548 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2025-03-17 10:04:09,548 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2025-03-17 10:04:09,548 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2025-03-17 10:04:09,548 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2025-03-17 10:04:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-17 10:04:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-17 10:04:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-17 10:04:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-17 10:04:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-17 10:04:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-17 10:04:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-17 10:04:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-17 10:04:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-03-17 10:04:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-03-17 10:04:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-03-17 10:04:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-03-17 10:04:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-03-17 10:04:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2025-03-17 10:04:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2025-03-17 10:04:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2025-03-17 10:04:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2025-03-17 10:04:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2025-03-17 10:04:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2025-03-17 10:04:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2025-03-17 10:04:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2025-03-17 10:04:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2025-03-17 10:04:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2025-03-17 10:04:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2025-03-17 10:04:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2025-03-17 10:04:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2025-03-17 10:04:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2025-03-17 10:04:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#27 [2025-03-17 10:04:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#28 [2025-03-17 10:04:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#29 [2025-03-17 10:04:09,549 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-17 10:04:09,549 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-17 10:04:09,549 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-17 10:04:09,549 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-17 10:04:09,549 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-17 10:04:09,549 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-17 10:04:09,549 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-17 10:04:09,549 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-17 10:04:09,549 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-03-17 10:04:09,549 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-03-17 10:04:09,549 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-03-17 10:04:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-03-17 10:04:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-03-17 10:04:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2025-03-17 10:04:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2025-03-17 10:04:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2025-03-17 10:04:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2025-03-17 10:04:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2025-03-17 10:04:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2025-03-17 10:04:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2025-03-17 10:04:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2025-03-17 10:04:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2025-03-17 10:04:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2025-03-17 10:04:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2025-03-17 10:04:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2025-03-17 10:04:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2025-03-17 10:04:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2025-03-17 10:04:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#27 [2025-03-17 10:04:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#28 [2025-03-17 10:04:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#29 [2025-03-17 10:04:09,552 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2025-03-17 10:04:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2025-03-17 10:04:09,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2025-03-17 10:04:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2025-03-17 10:04:09,552 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2025-03-17 10:04:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2025-03-17 10:04:09,552 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2025-03-17 10:04:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2025-03-17 10:04:09,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 10:04:09,552 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_printf [2025-03-17 10:04:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_printf [2025-03-17 10:04:09,552 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2025-03-17 10:04:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2025-03-17 10:04:09,552 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2025-03-17 10:04:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2025-03-17 10:04:09,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_netfront_info [2025-03-17 10:04:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_netfront_info [2025-03-17 10:04:09,552 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_can_sg [2025-03-17 10:04:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_can_sg [2025-03-17 10:04:09,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 10:04:09,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 10:04:09,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 10:04:09,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 10:04:09,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 10:04:09,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 10:04:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 10:04:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 10:04:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-17 10:04:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-17 10:04:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-17 10:04:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-17 10:04:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-17 10:04:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-17 10:04:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-17 10:04:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-17 10:04:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-17 10:04:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-17 10:04:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-03-17 10:04:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-03-17 10:04:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2025-03-17 10:04:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2025-03-17 10:04:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2025-03-17 10:04:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2025-03-17 10:04:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2025-03-17 10:04:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2025-03-17 10:04:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2025-03-17 10:04:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2025-03-17 10:04:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2025-03-17 10:04:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2025-03-17 10:04:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2025-03-17 10:04:09,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2025-03-17 10:04:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_min [2025-03-17 10:04:09,554 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_min [2025-03-17 10:04:09,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2025-03-17 10:04:09,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2025-03-17 10:04:09,554 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-17 10:04:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2025-03-17 10:04:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2025-03-17 10:04:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2025-03-17 10:04:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2025-03-17 10:04:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2025-03-17 10:04:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2025-03-17 10:04:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2025-03-17 10:04:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2025-03-17 10:04:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_104 [2025-03-17 10:04:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_104 [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2025-03-17 10:04:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2025-03-17 10:04:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2025-03-17 10:04:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2025-03-17 10:04:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2025-03-17 10:04:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2025-03-17 10:04:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2025-03-17 10:04:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2025-03-17 10:04:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-03-17 10:04:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2025-03-17 10:04:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-17 10:04:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-17 10:04:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-17 10:04:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-03-17 10:04:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-03-17 10:04:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-03-17 10:04:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-03-17 10:04:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2025-03-17 10:04:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2025-03-17 10:04:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2025-03-17 10:04:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2025-03-17 10:04:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2025-03-17 10:04:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2025-03-17 10:04:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2025-03-17 10:04:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2025-03-17 10:04:09,557 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2025-03-17 10:04:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-17 10:04:09,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-17 10:04:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure get_id_from_freelist [2025-03-17 10:04:09,557 INFO L138 BoogieDeclarations]: Found implementation of procedure get_id_from_freelist [2025-03-17 10:04:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2025-03-17 10:04:09,557 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2025-03-17 10:04:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rx_interrupt [2025-03-17 10:04:09,557 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rx_interrupt [2025-03-17 10:04:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2025-03-17 10:04:09,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2025-03-17 10:04:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2025-03-17 10:04:09,557 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2025-03-17 10:04:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2025-03-17 10:04:09,557 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2025-03-17 10:04:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_105 [2025-03-17 10:04:09,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_105 [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_max [2025-03-17 10:04:09,558 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_max [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2025-03-17 10:04:09,558 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2025-03-17 10:04:09,558 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2025-03-17 10:04:09,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_interrupt [2025-03-17 10:04:09,558 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_interrupt [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_123 [2025-03-17 10:04:09,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_123 [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-03-17 10:04:09,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2025-03-17 10:04:09,558 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2025-03-17 10:04:09,558 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2025-03-17 10:04:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2025-03-17 10:04:09,559 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2025-03-17 10:04:09,559 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2025-03-17 10:04:09,559 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2025-03-17 10:04:10,436 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 10:04:10,440 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 10:04:10,522 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L14879: havoc __get_page_tail_#t~nondet1212#1; [2025-03-17 10:04:10,522 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6344: havoc atomic_read_#t~mem43#1; [2025-03-17 10:04:10,538 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6646: call ULTIMATE.dealloc(~#__key~0#1.base, ~#__key~0#1.offset);havoc ~#__key~0#1.base, ~#__key~0#1.offset; [2025-03-17 10:04:10,568 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L15177: havoc #t~nondet1252; [2025-03-17 10:04:10,573 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L14936: havoc #t~nondet1217; [2025-03-17 10:04:10,586 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L15162: havoc #t~nondet1248; [2025-03-17 10:04:10,591 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L15006: havoc #t~nondet1230; [2025-03-17 10:04:10,986 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L15002: havoc #t~nondet1229; [2025-03-17 10:04:11,173 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6603: havoc #t~mem99.base, #t~mem99.offset;havoc #t~mem100; [2025-03-17 10:04:11,182 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L14940: havoc #t~nondet1218; [2025-03-17 10:04:11,195 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6474: havoc xen_feature_#t~mem65#1; [2025-03-17 10:04:11,195 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L14994: havoc get_phys_to_machine_#t~nondet1227#1; [2025-03-17 10:04:11,202 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6951: havoc #t~mem143.base, #t~mem143.offset; [2025-03-17 10:04:11,213 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L15117: havoc #t~nondet1242; [2025-03-17 10:04:11,286 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L14898: havoc #t~nondet1213; [2025-03-17 10:04:11,316 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L14875: havoc #t~nondet1211; [2025-03-17 10:04:11,423 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6747: havoc #t~mem111;havoc #t~mem112; [2025-03-17 10:04:11,452 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6814: havoc #t~mem130; [2025-03-17 10:04:11,460 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc #t~mem96; [2025-03-17 10:04:17,686 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9353: 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; [2025-03-17 10:04:17,686 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9619: 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; [2025-03-17 10:04:17,686 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L15169: havoc xenbus_read_#t~ret1250#1.base, xenbus_read_#t~ret1250#1.offset; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6515: havoc PageCompound_#t~mem83#1;havoc PageCompound_#t~bitwise84#1; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L12593-1: ldv_del_timer_sync_138_#res#1 := ldv_del_timer_sync_138_~ldv_func_res~3#1; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L14973: havoc eth_validate_addr_#t~nondet1224#1; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L14908: havoc _dev_info_#t~nondet1215#1; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L15107: havoc register_netdev_#t~nondet1241#1; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L15173: havoc xenbus_register_frontend_#t~nondet1251#1; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L14977: havoc ethtool_op_get_link_#t~nondet1225#1; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L15045: havoc ldv_pre_register_netdev_#t~nondet1233#1; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L14847: havoc __alloc_percpu_#t~ret1210#1.base, __alloc_percpu_#t~ret1210#1.offset; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L10091: 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; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L15180: havoc xenbus_strstate_#t~ret1253#1.base, xenbus_strstate_#t~ret1253#1.offset; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L15184: havoc xenbus_switch_state_#t~nondet1254#1; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L12019-1: ldv_register_netdev_#res#1 := ldv_register_netdev_~arg0#1; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L12020-1: ldv_register_netdev_#res#1 := ldv_register_netdev_~arg0#1; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9180: call ULTIMATE.dealloc(xennet_fix_features_~#val~0#1.base, xennet_fix_features_~#val~0#1.offset);havoc xennet_fix_features_~#val~0#1.base, xennet_fix_features_~#val~0#1.offset;call ULTIMATE.dealloc(xennet_fix_features_~#__constr_expr_0~0#1.base, xennet_fix_features_~#__constr_expr_0~0#1.offset);havoc xennet_fix_features_~#__constr_expr_0~0#1.base, xennet_fix_features_~#__constr_expr_0~0#1.offset;call ULTIMATE.dealloc(xennet_fix_features_~#__constr_expr_1~0#1.base, xennet_fix_features_~#__constr_expr_1~0#1.offset);havoc xennet_fix_features_~#__constr_expr_1~0#1.base, xennet_fix_features_~#__constr_expr_1~0#1.offset;call ULTIMATE.dealloc(xennet_fix_features_~#__constr_expr_2~0#1.base, xennet_fix_features_~#__constr_expr_2~0#1.offset);havoc xennet_fix_features_~#__constr_expr_2~0#1.base, xennet_fix_features_~#__constr_expr_2~0#1.offset;call ULTIMATE.dealloc(xennet_fix_features_~#__constr_expr_3~0#1.base, xennet_fix_features_~#__constr_expr_3~0#1.offset);havoc xennet_fix_features_~#__constr_expr_3~0#1.base, xennet_fix_features_~#__constr_expr_3~0#1.offset; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L15192: havoc xenbus_transaction_start_#t~nondet1256#1; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L12286-1: ldv_xenbus_register_frontend_#res#1 := ldv_xenbus_register_frontend_~arg0#1; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6804: havoc skb_has_frag_list_#t~mem128#1.base, skb_has_frag_list_#t~mem128#1.offset; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L12618-1: ldv_xenbus_register_frontend_140_#res#1 := ldv_xenbus_register_frontend_140_~ldv_func_res~4#1; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L10902-1: 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; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L14932: havoc alloc_etherdev_mqs_#t~ret1216#1.base, alloc_etherdev_mqs_#t~ret1216#1.offset; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7203: havoc net_gso_ok_#t~bitwise180#1; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L12488-1: ldv_register_netdev_118_#res#1 := ldv_register_netdev_118_~ldv_func_res~2#1; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9649: 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; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L10905-1: 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; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L10907-1: 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; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L10646: 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; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L15073: havoc netdev_info_#t~nondet1237#1; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L15143: havoc xen_has_pv_nic_devices_#t~nondet1244#1; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L14947: havoc del_timer_sync_#t~nondet1219#1; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L10919-1: ldv_del_timer_sync_#res#1 := ldv_del_timer_sync_~arg0#1; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L10193: 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; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9797: 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; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L14955: havoc device_create_file_#t~nondet1221#1; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L15092: havoc netif_skb_dev_features_#t~nondet1238#1; [2025-03-17 10:04:17,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L15158: havoc xenbus_frontend_closed_#t~nondet1247#1; [2025-03-17 10:04:17,688 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9941: 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; [2025-03-17 10:04:17,688 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6573: havoc compound_order_#t~mem93#1.base, compound_order_#t~mem93#1.offset; [2025-03-17 10:04:17,688 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L12453-1: 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; [2025-03-17 10:04:17,688 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L14965: havoc eth_mac_addr_#t~nondet1222#1; [2025-03-17 10:04:18,687 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-17 10:04:18,898 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7371: havoc skb_entry_is_link_#t~mem264#1.base, skb_entry_is_link_#t~mem264#1.offset; [2025-03-17 10:04:19,526 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L15199: havoc #t~nondet1257; [2025-03-17 10:04:20,084 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L15188: havoc #t~nondet1255; [2025-03-17 10:04:20,302 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L12664: havoc #t~mem1093.base, #t~mem1093.offset;havoc #t~mem1094.base, #t~mem1094.offset; [2025-03-17 10:04:20,324 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L15147: havoc #t~nondet1245; [2025-03-17 10:04:20,362 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L15166: havoc #t~nondet1249; [2025-03-17 10:04:20,386 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7459: havoc #t~mem274;havoc #t~mem275; [2025-03-17 10:04:20,454 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7434: havoc #t~mem272; [2025-03-17 10:04:20,739 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L10403: call ULTIMATE.dealloc(~#endp~0.base, ~#endp~0.offset);havoc ~#endp~0.base, ~#endp~0.offset; [2025-03-17 10:04:20,802 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L15103: havoc #t~nondet1240; [2025-03-17 10:04:21,884 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L12367-1: ldv_mod_timer_103_#res#1 := ldv_mod_timer_103_~ldv_func_res~0#1; [2025-03-17 10:04:21,884 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L11775-1: ldv_mod_timer_#res#1 := ldv_mod_timer_~arg0#1; [2025-03-17 10:04:21,884 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L15055: havoc mod_timer_#t~nondet1234#1; [2025-03-17 10:04:21,966 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L15013: havoc #t~nondet1231; [2025-03-17 10:04:22,047 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L14998: havoc #t~nondet1228; [2025-03-17 10:04:22,130 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6794: havoc #t~mem126.base, #t~mem126.offset; [2025-03-17 10:04:22,219 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6146: havoc #t~mem0;havoc #t~bitwise1; [2025-03-17 10:04:22,560 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L15069: havoc #t~nondet1236; [2025-03-17 10:04:22,680 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6140: #res := 1; [2025-03-17 10:04:22,969 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L14981: havoc find_next_bit_#t~nondet1226#1; [2025-03-17 10:04:23,207 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L10492: call ULTIMATE.dealloc(~#endp~1.base, ~#endp~1.offset);havoc ~#endp~1.base, ~#endp~1.offset; [2025-03-17 10:04:23,245 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6630: havoc #t~mem102; [2025-03-17 10:04:23,500 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L15154: havoc #t~nondet1246; [2025-03-17 10:04:24,140 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L15096: havoc netpoll_trap_#t~nondet1239#1; [2025-03-17 10:04:24,140 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L15023: havoc gnttab_query_foreign_access_#t~nondet1232#1; [2025-03-17 10:04:24,763 INFO L? ?]: Removed 2694 outVars from TransFormulas that were not future-live. [2025-03-17 10:04:24,763 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 10:04:24,816 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 10:04:24,816 INFO L336 CfgBuilder]: Removed 2 assume(true) statements. [2025-03-17 10:04:24,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 10:04:24 BoogieIcfgContainer [2025-03-17 10:04:24,816 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 10:04:24,818 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 10:04:24,818 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 10:04:24,822 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 10:04:24,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 10:04:03" (1/3) ... [2025-03-17 10:04:24,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21c1ea94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 10:04:24, skipping insertion in model container [2025-03-17 10:04:24,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:04:08" (2/3) ... [2025-03-17 10:04:24,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21c1ea94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 10:04:24, skipping insertion in model container [2025-03-17 10:04:24,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 10:04:24" (3/3) ... [2025-03-17 10:04:24,824 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2025-03-17 10:04:24,835 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 10:04:24,839 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i that has 179 procedures, 1988 locations, 1 initial locations, 95 loop locations, and 1 error locations. [2025-03-17 10:04:24,915 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 10:04:24,927 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;@64f5143f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 10:04:24,927 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 10:04:24,934 INFO L276 IsEmpty]: Start isEmpty. Operand has 1726 states, 1144 states have (on average 1.2875874125874125) internal successors, (1473), 1186 states have internal predecessors, (1473), 461 states have call successors, (461), 120 states have call predecessors, (461), 119 states have return successors, (457), 450 states have call predecessors, (457), 457 states have call successors, (457) [2025-03-17 10:04:24,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2025-03-17 10:04:24,954 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 10:04:24,955 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-03-17 10:04:24,955 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 10:04:24,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 10:04:24,959 INFO L85 PathProgramCache]: Analyzing trace with hash 53805066, now seen corresponding path program 1 times [2025-03-17 10:04:24,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 10:04:24,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658353454] [2025-03-17 10:04:24,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 10:04:24,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 10:04:28,515 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-03-17 10:04:28,862 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-03-17 10:04:28,862 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 10:04:28,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 10:04:29,922 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2025-03-17 10:04:29,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 10:04:29,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658353454] [2025-03-17 10:04:29,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658353454] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 10:04:29,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 10:04:29,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 10:04:29,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260096868] [2025-03-17 10:04:29,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 10:04:29,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 10:04:29,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 10:04:29,945 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 10:04:29,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 10:04:29,950 INFO L87 Difference]: Start difference. First operand has 1726 states, 1144 states have (on average 1.2875874125874125) internal successors, (1473), 1186 states have internal predecessors, (1473), 461 states have call successors, (461), 120 states have call predecessors, (461), 119 states have return successors, (457), 450 states have call predecessors, (457), 457 states have call successors, (457) Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2025-03-17 10:04:34,011 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 [] [2025-03-17 10:04:45,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 10:04:45,140 INFO L93 Difference]: Finished difference Result 3423 states and 4764 transitions. [2025-03-17 10:04:45,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 10:04:45,142 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) Word has length 196 [2025-03-17 10:04:45,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 10:04:45,165 INFO L225 Difference]: With dead ends: 3423 [2025-03-17 10:04:45,165 INFO L226 Difference]: Without dead ends: 1691 [2025-03-17 10:04:45,180 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 10:04:45,182 INFO L435 NwaCegarLoop]: 2345 mSDtfsCounter, 2309 mSDsluCounter, 1427 mSDsCounter, 0 mSdLazyCounter, 969 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2309 SdHoareTripleChecker+Valid, 3772 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 969 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2025-03-17 10:04:45,183 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2309 Valid, 3772 Invalid, 971 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 969 Invalid, 1 Unknown, 0 Unchecked, 14.7s Time] [2025-03-17 10:04:45,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1691 states. [2025-03-17 10:04:45,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1691 to 1691. [2025-03-17 10:04:45,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1691 states, 1135 states have (on average 1.2687224669603525) internal successors, (1440), 1173 states have internal predecessors, (1440), 437 states have call successors, (437), 118 states have call predecessors, (437), 118 states have return successors, (437), 430 states have call predecessors, (437), 437 states have call successors, (437) [2025-03-17 10:04:45,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1691 states and 2314 transitions. [2025-03-17 10:04:45,337 INFO L78 Accepts]: Start accepts. Automaton has 1691 states and 2314 transitions. Word has length 196 [2025-03-17 10:04:45,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 10:04:45,341 INFO L471 AbstractCegarLoop]: Abstraction has 1691 states and 2314 transitions. [2025-03-17 10:04:45,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2025-03-17 10:04:45,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 2314 transitions. [2025-03-17 10:04:45,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2025-03-17 10:04:45,350 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 10:04:45,350 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-03-17 10:04:45,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 10:04:45,351 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 10:04:45,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 10:04:45,352 INFO L85 PathProgramCache]: Analyzing trace with hash 319231358, now seen corresponding path program 1 times [2025-03-17 10:04:45,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 10:04:45,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739086414] [2025-03-17 10:04:45,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 10:04:45,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 10:04:48,042 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-03-17 10:04:48,133 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-03-17 10:04:48,133 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 10:04:48,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 10:04:48,877 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2025-03-17 10:04:48,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 10:04:48,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739086414] [2025-03-17 10:04:48,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739086414] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 10:04:48,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 10:04:48,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 10:04:48,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62917242] [2025-03-17 10:04:48,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 10:04:48,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 10:04:48,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 10:04:48,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 10:04:48,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 10:04:48,881 INFO L87 Difference]: Start difference. First operand 1691 states and 2314 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2025-03-17 10:04:52,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 10:05:04,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 10:05:04,627 INFO L93 Difference]: Finished difference Result 3359 states and 4603 transitions. [2025-03-17 10:05:04,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 10:05:04,628 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) Word has length 197 [2025-03-17 10:05:04,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 10:05:04,642 INFO L225 Difference]: With dead ends: 3359 [2025-03-17 10:05:04,642 INFO L226 Difference]: Without dead ends: 1691 [2025-03-17 10:05:04,649 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-17 10:05:04,651 INFO L435 NwaCegarLoop]: 2287 mSDtfsCounter, 2834 mSDsluCounter, 1412 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 1730 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2834 SdHoareTripleChecker+Valid, 3699 SdHoareTripleChecker+Invalid, 2657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1730 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2025-03-17 10:05:04,651 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2834 Valid, 3699 Invalid, 2657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1730 Valid, 926 Invalid, 1 Unknown, 0 Unchecked, 14.9s Time] [2025-03-17 10:05:04,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1691 states. [2025-03-17 10:05:04,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1691 to 1691. [2025-03-17 10:05:04,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1691 states, 1135 states have (on average 1.26784140969163) internal successors, (1439), 1173 states have internal predecessors, (1439), 437 states have call successors, (437), 118 states have call predecessors, (437), 118 states have return successors, (437), 430 states have call predecessors, (437), 437 states have call successors, (437) [2025-03-17 10:05:04,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1691 states and 2313 transitions. [2025-03-17 10:05:04,753 INFO L78 Accepts]: Start accepts. Automaton has 1691 states and 2313 transitions. Word has length 197 [2025-03-17 10:05:04,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 10:05:04,755 INFO L471 AbstractCegarLoop]: Abstraction has 1691 states and 2313 transitions. [2025-03-17 10:05:04,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2025-03-17 10:05:04,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 2313 transitions. [2025-03-17 10:05:04,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2025-03-17 10:05:04,761 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 10:05:04,761 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2025-03-17 10:05:04,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 10:05:04,761 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 10:05:04,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 10:05:04,762 INFO L85 PathProgramCache]: Analyzing trace with hash -722081632, now seen corresponding path program 1 times [2025-03-17 10:05:04,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 10:05:04,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452976005] [2025-03-17 10:05:04,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 10:05:04,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 10:05:07,556 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 224 statements into 1 equivalence classes. [2025-03-17 10:05:07,636 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 224 of 224 statements. [2025-03-17 10:05:07,636 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 10:05:07,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 10:05:08,374 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2025-03-17 10:05:08,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 10:05:08,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452976005] [2025-03-17 10:05:08,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452976005] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 10:05:08,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 10:05:08,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 10:05:08,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056649877] [2025-03-17 10:05:08,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 10:05:08,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 10:05:08,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 10:05:08,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 10:05:08,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 10:05:08,376 INFO L87 Difference]: Start difference. First operand 1691 states and 2313 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2025-03-17 10:05:12,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 10:05:25,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 10:05:25,089 INFO L93 Difference]: Finished difference Result 3359 states and 4601 transitions. [2025-03-17 10:05:25,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 10:05:25,090 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) Word has length 224 [2025-03-17 10:05:25,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 10:05:25,099 INFO L225 Difference]: With dead ends: 3359 [2025-03-17 10:05:25,100 INFO L226 Difference]: Without dead ends: 1691 [2025-03-17 10:05:25,105 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-17 10:05:25,108 INFO L435 NwaCegarLoop]: 2286 mSDtfsCounter, 2829 mSDsluCounter, 1411 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 1728 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2829 SdHoareTripleChecker+Valid, 3697 SdHoareTripleChecker+Invalid, 2655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1728 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2025-03-17 10:05:25,109 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2829 Valid, 3697 Invalid, 2655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1728 Valid, 926 Invalid, 1 Unknown, 0 Unchecked, 16.2s Time] [2025-03-17 10:05:25,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1691 states. [2025-03-17 10:05:25,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1691 to 1691. [2025-03-17 10:05:25,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1691 states, 1135 states have (on average 1.2669603524229074) internal successors, (1438), 1173 states have internal predecessors, (1438), 437 states have call successors, (437), 118 states have call predecessors, (437), 118 states have return successors, (437), 430 states have call predecessors, (437), 437 states have call successors, (437) [2025-03-17 10:05:25,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1691 states and 2312 transitions. [2025-03-17 10:05:25,216 INFO L78 Accepts]: Start accepts. Automaton has 1691 states and 2312 transitions. Word has length 224 [2025-03-17 10:05:25,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 10:05:25,217 INFO L471 AbstractCegarLoop]: Abstraction has 1691 states and 2312 transitions. [2025-03-17 10:05:25,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2025-03-17 10:05:25,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 2312 transitions. [2025-03-17 10:05:25,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2025-03-17 10:05:25,221 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 10:05:25,222 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-03-17 10:05:25,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 10:05:25,222 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 10:05:25,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 10:05:25,222 INFO L85 PathProgramCache]: Analyzing trace with hash -260416000, now seen corresponding path program 1 times [2025-03-17 10:05:25,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 10:05:25,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118842379] [2025-03-17 10:05:25,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 10:05:25,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 10:05:27,808 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 199 statements into 1 equivalence classes. [2025-03-17 10:05:27,874 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 199 of 199 statements. [2025-03-17 10:05:27,874 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 10:05:27,874 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 10:05:28,605 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2025-03-17 10:05:28,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 10:05:28,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118842379] [2025-03-17 10:05:28,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118842379] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 10:05:28,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 10:05:28,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 10:05:28,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650564951] [2025-03-17 10:05:28,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 10:05:28,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 10:05:28,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 10:05:28,606 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 10:05:28,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 10:05:28,607 INFO L87 Difference]: Start difference. First operand 1691 states and 2312 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26)