./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 e2fb8bed 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-?-e2fb8be-m [2025-03-08 20:56:31,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 20:56:31,474 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 20:56:31,479 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 20:56:31,479 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 20:56:31,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 20:56:31,500 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 20:56:31,500 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 20:56:31,500 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 20:56:31,500 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 20:56:31,501 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 20:56:31,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 20:56:31,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 20:56:31,502 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 20:56:31,502 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 20:56:31,502 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 20:56:31,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 20:56:31,502 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 20:56:31,502 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 20:56:31,503 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 20:56:31,503 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 20:56:31,503 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 20:56:31,503 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 20:56:31,503 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 20:56:31,503 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 20:56:31,503 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 20:56:31,503 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 20:56:31,503 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 20:56:31,503 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 20:56:31,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 20:56:31,504 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 20:56:31,504 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 20:56:31,504 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 20:56:31,504 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 20:56:31,504 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 20:56:31,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 20:56:31,504 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 20:56:31,504 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 20:56:31,504 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 20:56:31,504 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 20:56:31,504 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 [2025-03-08 20:56:31,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 20:56:31,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 20:56:31,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 20:56:31,722 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 20:56:31,722 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 20:56:31,723 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2025-03-08 20:56:32,867 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e892529ce/bf5aa198d1974fd4bc0dfc8c86d28c78/FLAG57c626ee8 [2025-03-08 20:56:33,360 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 20:56:33,360 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2025-03-08 20:56:33,405 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e892529ce/bf5aa198d1974fd4bc0dfc8c86d28c78/FLAG57c626ee8 [2025-03-08 20:56:33,415 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e892529ce/bf5aa198d1974fd4bc0dfc8c86d28c78 [2025-03-08 20:56:33,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 20:56:33,417 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 20:56:33,418 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 20:56:33,418 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 20:56:33,421 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 20:56:33,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 08:56:33" (1/1) ... [2025-03-08 20:56:33,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@505924de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:56:33, skipping insertion in model container [2025-03-08 20:56:33,423 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 08:56:33" (1/1) ... [2025-03-08 20:56:33,523 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 20:56:35,432 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] [2025-03-08 20:56:35,434 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] [2025-03-08 20:56:35,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 20:56:35,485 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 20:56:35,563 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] [2025-03-08 20:56:35,565 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] [2025-03-08 20:56:35,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6138] [2025-03-08 20:56:35,567 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] [2025-03-08 20:56:35,567 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] [2025-03-08 20:56:35,568 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] [2025-03-08 20:56:35,568 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] [2025-03-08 20:56:35,568 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] [2025-03-08 20:56:35,569 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] [2025-03-08 20:56:35,569 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] [2025-03-08 20:56:35,572 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] [2025-03-08 20:56:35,580 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] [2025-03-08 20:56:35,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6941] [2025-03-08 20:56:35,595 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] [2025-03-08 20:56:35,596 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] [2025-03-08 20:56:35,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7671] [2025-03-08 20:56:35,597 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7676] [2025-03-08 20:56:35,597 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7678] [2025-03-08 20:56:35,598 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] [2025-03-08 20:56:35,598 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7760] [2025-03-08 20:56:35,599 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] [2025-03-08 20:56:35,600 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7802] [2025-03-08 20:56:35,601 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] [2025-03-08 20:56:35,602 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] [2025-03-08 20:56:35,603 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] [2025-03-08 20:56:35,603 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] [2025-03-08 20:56:35,604 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] [2025-03-08 20:56:35,606 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] [2025-03-08 20:56:35,607 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] [2025-03-08 20:56:35,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8274] [2025-03-08 20:56:35,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8276] [2025-03-08 20:56:35,610 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] [2025-03-08 20:56:35,613 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] [2025-03-08 20:56:35,616 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] [2025-03-08 20:56:35,616 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] [2025-03-08 20:56:35,617 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] [2025-03-08 20:56:35,619 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8855] [2025-03-08 20:56:35,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8970] [2025-03-08 20:56:35,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (np->stats)); [9042] [2025-03-08 20:56:35,628 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (np->stats)); [9412] [2025-03-08 20:56:35,721 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] [2025-03-08 20:56:35,722 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] [2025-03-08 20:56:35,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 20:56:35,865 INFO L204 MainTranslator]: Completed translation [2025-03-08 20:56:35,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:56:35 WrapperNode [2025-03-08 20:56:35,866 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 20:56:35,866 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 20:56:35,867 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 20:56:35,867 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 20:56:35,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:56:35" (1/1) ... [2025-03-08 20:56:35,942 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:56:35" (1/1) ... [2025-03-08 20:56:36,071 INFO L138 Inliner]: procedures = 546, calls = 2404, calls flagged for inlining = 260, calls inlined = 202, statements flattened = 5297 [2025-03-08 20:56:36,073 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 20:56:36,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 20:56:36,074 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 20:56:36,074 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 20:56:36,081 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:56:35" (1/1) ... [2025-03-08 20:56:36,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:56:35" (1/1) ... [2025-03-08 20:56:36,110 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:56:35" (1/1) ... [2025-03-08 20:56:36,743 INFO L175 MemorySlicer]: Split 868 memory accesses to 30 slices as follows [2, 13, 12, 21, 1, 653, 1, 4, 4, 2, 27, 18, 8, 4, 4, 2, 0, 3, 2, 10, 44, 2, 4, 2, 2, 2, 2, 5, 12, 2]. 75 percent of accesses are in the largest equivalence class. The 147 initializations are split as follows [0, 0, 12, 0, 1, 64, 0, 4, 0, 0, 27, 18, 0, 4, 0, 0, 0, 3, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 12, 0]. The 407 writes are split as follows [1, 0, 0, 18, 0, 324, 0, 0, 1, 1, 0, 0, 4, 0, 2, 1, 0, 0, 0, 6, 44, 1, 0, 1, 1, 0, 1, 0, 0, 1]. [2025-03-08 20:56:36,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:56:35" (1/1) ... [2025-03-08 20:56:36,745 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:56:35" (1/1) ... [2025-03-08 20:56:36,847 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:56:35" (1/1) ... [2025-03-08 20:56:36,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:56:35" (1/1) ... [2025-03-08 20:56:36,891 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:56:35" (1/1) ... [2025-03-08 20:56:36,914 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:56:35" (1/1) ... [2025-03-08 20:56:36,961 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 20:56:36,962 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 20:56:36,963 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 20:56:36,963 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 20:56:36,964 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:56:35" (1/1) ... [2025-03-08 20:56:36,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 20:56:36,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 20:56:36,991 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) [2025-03-08 20:56:36,994 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 [2025-03-08 20:56:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2025-03-08 20:56:37,010 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2025-03-08 20:56:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-03-08 20:56:37,010 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-03-08 20:56:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2025-03-08 20:56:37,010 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2025-03-08 20:56:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2025-03-08 20:56:37,010 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2025-03-08 20:56:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-08 20:56:37,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-08 20:56:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_scanf [2025-03-08 20:56:37,010 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_scanf [2025-03-08 20:56:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_lock_of_netfront_info [2025-03-08 20:56:37,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_lock_of_netfront_info [2025-03-08 20:56:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2025-03-08 20:56:37,010 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2025-03-08 20:56:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2025-03-08 20:56:37,010 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2025-03-08 20:56:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_interrupt [2025-03-08 20:56:37,010 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_interrupt [2025-03-08 20:56:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2025-03-08 20:56:37,010 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2025-03-08 20:56:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2025-03-08 20:56:37,010 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2025-03-08 20:56:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2025-03-08 20:56:37,010 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2025-03-08 20:56:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2025-03-08 20:56:37,010 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2025-03-08 20:56:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2025-03-08 20:56:37,011 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2025-03-08 20:56:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2025-03-08 20:56:37,011 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2025-03-08 20:56:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2025-03-08 20:56:37,011 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2025-03-08 20:56:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2025-03-08 20:56:37,011 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2025-03-08 20:56:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2025-03-08 20:56:37,011 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2025-03-08 20:56:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2025-03-08 20:56:37,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2025-03-08 20:56:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2025-03-08 20:56:37,011 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2025-03-08 20:56:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-03-08 20:56:37,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-03-08 20:56:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2025-03-08 20:56:37,011 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2025-03-08 20:56:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 20:56:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2025-03-08 20:56:37,011 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2025-03-08 20:56:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2025-03-08 20:56:37,011 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2025-03-08 20:56:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2025-03-08 20:56:37,011 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2025-03-08 20:56:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2025-03-08 20:56:37,011 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2025-03-08 20:56:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-08 20:56:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-08 20:56:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-08 20:56:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-08 20:56:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-08 20:56:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-08 20:56:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-08 20:56:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-08 20:56:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-08 20:56:37,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#24 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#25 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#26 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#27 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#28 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#29 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2025-03-08 20:56:37,017 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2025-03-08 20:56:37,017 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2025-03-08 20:56:37,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2025-03-08 20:56:37,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-08 20:56:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-03-08 20:56:37,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_poll_controller [2025-03-08 20:56:37,018 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_poll_controller [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2025-03-08 20:56:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2025-03-08 20:56:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2025-03-08 20:56:37,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2025-03-08 20:56:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-08 20:56:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-08 20:56:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-08 20:56:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-08 20:56:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-08 20:56:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-08 20:56:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-03-08 20:56:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-03-08 20:56:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2025-03-08 20:56:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2025-03-08 20:56:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2025-03-08 20:56:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2025-03-08 20:56:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2025-03-08 20:56:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2025-03-08 20:56:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2025-03-08 20:56:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2025-03-08 20:56:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2025-03-08 20:56:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2025-03-08 20:56:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2025-03-08 20:56:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2025-03-08 20:56:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2025-03-08 20:56:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2025-03-08 20:56:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2025-03-08 20:56:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#23 [2025-03-08 20:56:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#24 [2025-03-08 20:56:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#25 [2025-03-08 20:56:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#26 [2025-03-08 20:56:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#27 [2025-03-08 20:56:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#28 [2025-03-08 20:56:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#29 [2025-03-08 20:56:37,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-08 20:56:37,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-08 20:56:37,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-08 20:56:37,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-08 20:56:37,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-08 20:56:37,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-08 20:56:37,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-03-08 20:56:37,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-03-08 20:56:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2025-03-08 20:56:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2025-03-08 20:56:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2025-03-08 20:56:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2025-03-08 20:56:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2025-03-08 20:56:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2025-03-08 20:56:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2025-03-08 20:56:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2025-03-08 20:56:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2025-03-08 20:56:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2025-03-08 20:56:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2025-03-08 20:56:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2025-03-08 20:56:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2025-03-08 20:56:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2025-03-08 20:56:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2025-03-08 20:56:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#23 [2025-03-08 20:56:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#24 [2025-03-08 20:56:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#25 [2025-03-08 20:56:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#26 [2025-03-08 20:56:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#27 [2025-03-08 20:56:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#28 [2025-03-08 20:56:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#29 [2025-03-08 20:56:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2025-03-08 20:56:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2025-03-08 20:56:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_124 [2025-03-08 20:56:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_124 [2025-03-08 20:56:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2025-03-08 20:56:37,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2025-03-08 20:56:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get [2025-03-08 20:56:37,022 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get [2025-03-08 20:56:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2025-03-08 20:56:37,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2025-03-08 20:56:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2025-03-08 20:56:37,022 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2025-03-08 20:56:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2025-03-08 20:56:37,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2025-03-08 20:56:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2025-03-08 20:56:37,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2025-03-08 20:56:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_uninit [2025-03-08 20:56:37,023 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_uninit [2025-03-08 20:56:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2025-03-08 20:56:37,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2025-03-08 20:56:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 20:56:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 20:56:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-03-08 20:56:37,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-03-08 20:56:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 20:56:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 20:56:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 20:56:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 20:56:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 20:56:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 20:56:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 20:56:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 20:56:37,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 20:56:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-08 20:56:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-08 20:56:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-08 20:56:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-08 20:56:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-08 20:56:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-08 20:56:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-08 20:56:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-08 20:56:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-08 20:56:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-03-08 20:56:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-03-08 20:56:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2025-03-08 20:56:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2025-03-08 20:56:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2025-03-08 20:56:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2025-03-08 20:56:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2025-03-08 20:56:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2025-03-08 20:56:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2025-03-08 20:56:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2025-03-08 20:56:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2025-03-08 20:56:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2025-03-08 20:56:37,029 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2025-03-08 20:56:37,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2025-03-08 20:56:37,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2025-03-08 20:56:37,029 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2025-03-08 20:56:37,029 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2025-03-08 20:56:37,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2025-03-08 20:56:37,029 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2025-03-08 20:56:37,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2025-03-08 20:56:37,029 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2025-03-08 20:56:37,029 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_dev_fatal [2025-03-08 20:56:37,029 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_dev_fatal [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2025-03-08 20:56:37,029 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 20:56:37,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2025-03-08 20:56:37,029 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#25 [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#26 [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#27 [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#28 [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#29 [2025-03-08 20:56:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 20:56:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 20:56:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 20:56:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 20:56:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 20:56:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 20:56:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 20:56:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 20:56:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#28 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#29 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-08 20:56:37,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2025-03-08 20:56:37,031 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2025-03-08 20:56:37,031 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2025-03-08 20:56:37,031 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2025-03-08 20:56:37,031 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2025-03-08 20:56:37,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2025-03-08 20:56:37,031 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2025-03-08 20:56:37,031 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2025-03-08 20:56:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2025-03-08 20:56:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2025-03-08 20:56:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2025-03-08 20:56:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2025-03-08 20:56:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2025-03-08 20:56:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2025-03-08 20:56:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2025-03-08 20:56:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2025-03-08 20:56:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#27 [2025-03-08 20:56:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#28 [2025-03-08 20:56:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#29 [2025-03-08 20:56:37,032 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-08 20:56:37,032 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#27 [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#28 [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#29 [2025-03-08 20:56:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2025-03-08 20:56:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2025-03-08 20:56:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2025-03-08 20:56:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2025-03-08 20:56:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 20:56:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_printf [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_printf [2025-03-08 20:56:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2025-03-08 20:56:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2025-03-08 20:56:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2025-03-08 20:56:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_netfront_info [2025-03-08 20:56:37,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_netfront_info [2025-03-08 20:56:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_can_sg [2025-03-08 20:56:37,036 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_can_sg [2025-03-08 20:56:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 20:56:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 20:56:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 20:56:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 20:56:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 20:56:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 20:56:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 20:56:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 20:56:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 20:56:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-08 20:56:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-08 20:56:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-08 20:56:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-08 20:56:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-08 20:56:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-08 20:56:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-08 20:56:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-08 20:56:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-08 20:56:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-03-08 20:56:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-03-08 20:56:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2025-03-08 20:56:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2025-03-08 20:56:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2025-03-08 20:56:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2025-03-08 20:56:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2025-03-08 20:56:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2025-03-08 20:56:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2025-03-08 20:56:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2025-03-08 20:56:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2025-03-08 20:56:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2025-03-08 20:56:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2025-03-08 20:56:37,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2025-03-08 20:56:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_min [2025-03-08 20:56:37,038 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_min [2025-03-08 20:56:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2025-03-08 20:56:37,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2025-03-08 20:56:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-08 20:56:37,038 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-08 20:56:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2025-03-08 20:56:37,038 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2025-03-08 20:56:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2025-03-08 20:56:37,038 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2025-03-08 20:56:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2025-03-08 20:56:37,038 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2025-03-08 20:56:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2025-03-08 20:56:37,038 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2025-03-08 20:56:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2025-03-08 20:56:37,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2025-03-08 20:56:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2025-03-08 20:56:37,038 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2025-03-08 20:56:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2025-03-08 20:56:37,038 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2025-03-08 20:56:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2025-03-08 20:56:37,038 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2025-03-08 20:56:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_104 [2025-03-08 20:56:37,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_104 [2025-03-08 20:56:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2025-03-08 20:56:37,038 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2025-03-08 20:56:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2025-03-08 20:56:37,038 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2025-03-08 20:56:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2025-03-08 20:56:37,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2025-03-08 20:56:37,039 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2025-03-08 20:56:37,039 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2025-03-08 20:56:37,039 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2025-03-08 20:56:37,039 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2025-03-08 20:56:37,039 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-03-08 20:56:37,039 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2025-03-08 20:56:37,039 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2025-03-08 20:56:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2025-03-08 20:56:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-08 20:56:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure get_id_from_freelist [2025-03-08 20:56:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure get_id_from_freelist [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2025-03-08 20:56:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rx_interrupt [2025-03-08 20:56:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rx_interrupt [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2025-03-08 20:56:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2025-03-08 20:56:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2025-03-08 20:56:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_105 [2025-03-08 20:56:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_105 [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_max [2025-03-08 20:56:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_max [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2025-03-08 20:56:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2025-03-08 20:56:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2025-03-08 20:56:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_interrupt [2025-03-08 20:56:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_interrupt [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_123 [2025-03-08 20:56:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_123 [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-03-08 20:56:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-03-08 20:56:37,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2025-03-08 20:56:37,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2025-03-08 20:56:37,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2025-03-08 20:56:37,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2025-03-08 20:56:37,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2025-03-08 20:56:37,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2025-03-08 20:56:37,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2025-03-08 20:56:37,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-03-08 20:56:37,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-03-08 20:56:37,044 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2025-03-08 20:56:37,044 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2025-03-08 20:56:37,044 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2025-03-08 20:56:37,044 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2025-03-08 20:56:37,044 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2025-03-08 20:56:37,044 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2025-03-08 20:56:37,044 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2025-03-08 20:56:37,045 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2025-03-08 20:56:37,843 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 20:56:37,846 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 20:56:37,968 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L14879: havoc __get_page_tail_#t~nondet1212#1; [2025-03-08 20:56:37,971 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6344: havoc atomic_read_#t~mem43#1; [2025-03-08 20:56:37,994 INFO L1307 $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; [2025-03-08 20:56:38,017 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L15177: havoc #t~nondet1252; [2025-03-08 20:56:38,022 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L14936: havoc #t~nondet1217; [2025-03-08 20:56:38,034 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L15162: havoc #t~nondet1248; [2025-03-08 20:56:38,037 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L15006: havoc #t~nondet1230; [2025-03-08 20:56:38,390 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L15002: havoc #t~nondet1229; [2025-03-08 20:56:38,582 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6603: havoc #t~mem99.base, #t~mem99.offset;havoc #t~mem100; [2025-03-08 20:56:38,589 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L14940: havoc #t~nondet1218; [2025-03-08 20:56:38,599 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6474: havoc xen_feature_#t~mem65#1; [2025-03-08 20:56:38,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L14994: havoc get_phys_to_machine_#t~nondet1227#1; [2025-03-08 20:56:38,607 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6951: havoc #t~mem143.base, #t~mem143.offset; [2025-03-08 20:56:38,614 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L15117: havoc #t~nondet1242; [2025-03-08 20:56:38,673 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L14898: havoc #t~nondet1213; [2025-03-08 20:56:38,703 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L14875: havoc #t~nondet1211; [2025-03-08 20:56:38,802 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6747: havoc #t~mem111;havoc #t~mem112; [2025-03-08 20:56:38,824 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6814: havoc #t~mem130; [2025-03-08 20:56:38,831 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc #t~mem96; [2025-03-08 20:56:45,021 INFO L1307 $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; [2025-03-08 20:56:45,021 INFO L1307 $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; [2025-03-08 20:56:45,021 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L15169: havoc xenbus_read_#t~ret1250#1.base, xenbus_read_#t~ret1250#1.offset; [2025-03-08 20:56:45,022 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6515: havoc PageCompound_#t~mem83#1;havoc PageCompound_#t~bitwise84#1; [2025-03-08 20:56:45,022 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12593-1: ldv_del_timer_sync_138_#res#1 := ldv_del_timer_sync_138_~ldv_func_res~3#1; [2025-03-08 20:56:45,022 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L14973: havoc eth_validate_addr_#t~nondet1224#1; [2025-03-08 20:56:45,022 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L14908: havoc _dev_info_#t~nondet1215#1; [2025-03-08 20:56:45,022 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L15107: havoc register_netdev_#t~nondet1241#1; [2025-03-08 20:56:45,022 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L15173: havoc xenbus_register_frontend_#t~nondet1251#1; [2025-03-08 20:56:45,022 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L14977: havoc ethtool_op_get_link_#t~nondet1225#1; [2025-03-08 20:56:45,022 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L15045: havoc ldv_pre_register_netdev_#t~nondet1233#1; [2025-03-08 20:56:45,022 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L14847: havoc __alloc_percpu_#t~ret1210#1.base, __alloc_percpu_#t~ret1210#1.offset; [2025-03-08 20:56:45,022 INFO L1307 $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; [2025-03-08 20:56:45,022 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L15180: havoc xenbus_strstate_#t~ret1253#1.base, xenbus_strstate_#t~ret1253#1.offset; [2025-03-08 20:56:45,022 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L15184: havoc xenbus_switch_state_#t~nondet1254#1; [2025-03-08 20:56:45,022 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12019-1: ldv_register_netdev_#res#1 := ldv_register_netdev_~arg0#1; [2025-03-08 20:56:45,022 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12020-1: ldv_register_netdev_#res#1 := ldv_register_netdev_~arg0#1; [2025-03-08 20:56:45,022 INFO L1307 $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; [2025-03-08 20:56:45,022 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L15192: havoc xenbus_transaction_start_#t~nondet1256#1; [2025-03-08 20:56:45,022 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12286-1: ldv_xenbus_register_frontend_#res#1 := ldv_xenbus_register_frontend_~arg0#1; [2025-03-08 20:56:45,022 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6804: havoc skb_has_frag_list_#t~mem128#1.base, skb_has_frag_list_#t~mem128#1.offset; [2025-03-08 20:56:45,022 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12618-1: ldv_xenbus_register_frontend_140_#res#1 := ldv_xenbus_register_frontend_140_~ldv_func_res~4#1; [2025-03-08 20:56:45,022 INFO L1307 $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; [2025-03-08 20:56:45,022 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L14932: havoc alloc_etherdev_mqs_#t~ret1216#1.base, alloc_etherdev_mqs_#t~ret1216#1.offset; [2025-03-08 20:56:45,022 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7203: havoc net_gso_ok_#t~bitwise180#1; [2025-03-08 20:56:45,022 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12488-1: ldv_register_netdev_118_#res#1 := ldv_register_netdev_118_~ldv_func_res~2#1; [2025-03-08 20:56:45,022 INFO L1307 $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; [2025-03-08 20:56:45,022 INFO L1307 $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; [2025-03-08 20:56:45,022 INFO L1307 $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; [2025-03-08 20:56:45,022 INFO L1307 $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; [2025-03-08 20:56:45,022 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L15073: havoc netdev_info_#t~nondet1237#1; [2025-03-08 20:56:45,022 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L15143: havoc xen_has_pv_nic_devices_#t~nondet1244#1; [2025-03-08 20:56:45,022 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L14947: havoc del_timer_sync_#t~nondet1219#1; [2025-03-08 20:56:45,022 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10919-1: ldv_del_timer_sync_#res#1 := ldv_del_timer_sync_~arg0#1; [2025-03-08 20:56:45,022 INFO L1307 $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; [2025-03-08 20:56:45,022 INFO L1307 $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; [2025-03-08 20:56:45,022 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L14955: havoc device_create_file_#t~nondet1221#1; [2025-03-08 20:56:45,023 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L15092: havoc netif_skb_dev_features_#t~nondet1238#1; [2025-03-08 20:56:45,023 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L15158: havoc xenbus_frontend_closed_#t~nondet1247#1; [2025-03-08 20:56:45,023 INFO L1307 $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; [2025-03-08 20:56:45,023 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6573: havoc compound_order_#t~mem93#1.base, compound_order_#t~mem93#1.offset; [2025-03-08 20:56:45,023 INFO L1307 $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; [2025-03-08 20:56:45,023 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L14965: havoc eth_mac_addr_#t~nondet1222#1; [2025-03-08 20:56:45,960 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-08 20:56:46,191 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7371: havoc skb_entry_is_link_#t~mem264#1.base, skb_entry_is_link_#t~mem264#1.offset; [2025-03-08 20:56:46,823 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L15199: havoc #t~nondet1257; [2025-03-08 20:56:47,335 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L15188: havoc #t~nondet1255; [2025-03-08 20:56:47,535 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12664: havoc #t~mem1093.base, #t~mem1093.offset;havoc #t~mem1094.base, #t~mem1094.offset; [2025-03-08 20:56:47,561 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L15147: havoc #t~nondet1245; [2025-03-08 20:56:47,618 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L15166: havoc #t~nondet1249; [2025-03-08 20:56:47,645 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7459: havoc #t~mem274;havoc #t~mem275; [2025-03-08 20:56:47,724 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7434: havoc #t~mem272; [2025-03-08 20:56:48,003 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10403: call ULTIMATE.dealloc(~#endp~0.base, ~#endp~0.offset);havoc ~#endp~0.base, ~#endp~0.offset; [2025-03-08 20:56:48,090 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L15103: havoc #t~nondet1240; [2025-03-08 20:56:49,385 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12367-1: ldv_mod_timer_103_#res#1 := ldv_mod_timer_103_~ldv_func_res~0#1; [2025-03-08 20:56:49,385 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11775-1: ldv_mod_timer_#res#1 := ldv_mod_timer_~arg0#1; [2025-03-08 20:56:49,385 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L15055: havoc mod_timer_#t~nondet1234#1; [2025-03-08 20:56:49,476 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L15013: havoc #t~nondet1231; [2025-03-08 20:56:49,612 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L14998: havoc #t~nondet1228; [2025-03-08 20:56:49,710 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6794: havoc #t~mem126.base, #t~mem126.offset; [2025-03-08 20:56:49,822 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6146: havoc #t~mem0;havoc #t~bitwise1; [2025-03-08 20:56:50,169 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L15069: havoc #t~nondet1236; [2025-03-08 20:56:50,308 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6140: #res := 1; [2025-03-08 20:56:50,694 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L14981: havoc find_next_bit_#t~nondet1226#1; [2025-03-08 20:56:51,024 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10492: call ULTIMATE.dealloc(~#endp~1.base, ~#endp~1.offset);havoc ~#endp~1.base, ~#endp~1.offset; [2025-03-08 20:56:51,083 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6630: havoc #t~mem102; [2025-03-08 20:56:51,404 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L15154: havoc #t~nondet1246; [2025-03-08 20:56:52,242 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L15096: havoc netpoll_trap_#t~nondet1239#1; [2025-03-08 20:56:52,242 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L15023: havoc gnttab_query_foreign_access_#t~nondet1232#1; [2025-03-08 20:56:52,799 INFO L? ?]: Removed 2937 outVars from TransFormulas that were not future-live. [2025-03-08 20:56:52,799 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 20:56:52,849 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 20:56:52,849 INFO L336 CfgBuilder]: Removed 2 assume(true) statements. [2025-03-08 20:56:52,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 08:56:52 BoogieIcfgContainer [2025-03-08 20:56:52,850 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 20:56:52,852 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 20:56:52,852 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 20:56:52,855 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 20:56:52,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 08:56:33" (1/3) ... [2025-03-08 20:56:52,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31115452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 08:56:52, skipping insertion in model container [2025-03-08 20:56:52,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:56:35" (2/3) ... [2025-03-08 20:56:52,856 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31115452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 08:56:52, skipping insertion in model container [2025-03-08 20:56:52,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 08:56:52" (3/3) ... [2025-03-08 20:56:52,857 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2025-03-08 20:56:52,867 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 20:56:52,870 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i that has 179 procedures, 2104 locations, 1 initial locations, 95 loop locations, and 1 error locations. [2025-03-08 20:56:52,950 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 20:56:52,961 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;@20914d11, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 20:56:52,962 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 20:56:52,970 INFO L276 IsEmpty]: Start isEmpty. Operand has 1842 states, 1260 states have (on average 1.261111111111111) internal successors, (1589), 1302 states have internal predecessors, (1589), 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) [2025-03-08 20:56:52,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2025-03-08 20:56:52,992 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:56:52,993 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, 1, 1, 1] [2025-03-08 20:56:52,994 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 20:56:52,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:56:52,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1077896737, now seen corresponding path program 1 times [2025-03-08 20:56:53,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:56:53,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281343863] [2025-03-08 20:56:53,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:56:53,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:56:56,108 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-03-08 20:56:56,397 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-03-08 20:56:56,398 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:56:56,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:56:57,288 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2025-03-08 20:56:57,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:56:57,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281343863] [2025-03-08 20:56:57,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281343863] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:56:57,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:56:57,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 20:56:57,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303234703] [2025-03-08 20:56:57,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:56:57,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 20:56:57,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:56:57,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 20:56:57,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 20:56:57,320 INFO L87 Difference]: Start difference. First operand has 1842 states, 1260 states have (on average 1.261111111111111) internal successors, (1589), 1302 states have internal predecessors, (1589), 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 22.75) internal successors, (91), 4 states have internal predecessors, (91), 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) [2025-03-08 20:57:01,381 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 [] [2025-03-08 20:57:12,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:57:12,289 INFO L93 Difference]: Finished difference Result 3651 states and 4992 transitions. [2025-03-08 20:57:12,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:57:12,291 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 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 202 [2025-03-08 20:57:12,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:57:12,312 INFO L225 Difference]: With dead ends: 3651 [2025-03-08 20:57:12,312 INFO L226 Difference]: Without dead ends: 1798 [2025-03-08 20:57:12,325 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 [2025-03-08 20:57:12,328 INFO L435 NwaCegarLoop]: 2460 mSDtfsCounter, 2420 mSDsluCounter, 1542 mSDsCounter, 0 mSdLazyCounter, 969 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2420 SdHoareTripleChecker+Valid, 4002 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 969 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2025-03-08 20:57:12,328 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2420 Valid, 4002 Invalid, 971 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 969 Invalid, 1 Unknown, 0 Unchecked, 14.6s Time] [2025-03-08 20:57:12,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1798 states. [2025-03-08 20:57:12,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1798 to 1798. [2025-03-08 20:57:12,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1798 states, 1242 states have (on average 1.2455716586151369) internal successors, (1547), 1280 states have internal predecessors, (1547), 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) [2025-03-08 20:57:12,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1798 states to 1798 states and 2421 transitions. [2025-03-08 20:57:12,478 INFO L78 Accepts]: Start accepts. Automaton has 1798 states and 2421 transitions. Word has length 202 [2025-03-08 20:57:12,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:57:12,481 INFO L471 AbstractCegarLoop]: Abstraction has 1798 states and 2421 transitions. [2025-03-08 20:57:12,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 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) [2025-03-08 20:57:12,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1798 states and 2421 transitions. [2025-03-08 20:57:12,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2025-03-08 20:57:12,492 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:57:12,493 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, 1, 1, 1, 1, 1] [2025-03-08 20:57:12,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 20:57:12,494 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 20:57:12,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:57:12,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1400670676, now seen corresponding path program 1 times [2025-03-08 20:57:12,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:57:12,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753058147] [2025-03-08 20:57:12,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:57:12,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:57:15,462 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 229 statements into 1 equivalence classes. [2025-03-08 20:57:15,554 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 229 of 229 statements. [2025-03-08 20:57:15,554 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:57:15,554 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:57:16,353 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2025-03-08 20:57:16,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:57:16,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753058147] [2025-03-08 20:57:16,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753058147] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:57:16,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:57:16,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 20:57:16,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162240788] [2025-03-08 20:57:16,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:57:16,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 20:57:16,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:57:16,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 20:57:16,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 20:57:16,355 INFO L87 Difference]: Start difference. First operand 1798 states and 2421 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 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) [2025-03-08 20:57:20,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:57:32,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:57:32,270 INFO L93 Difference]: Finished difference Result 3571 states and 4815 transitions. [2025-03-08 20:57:32,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:57:32,270 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 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 229 [2025-03-08 20:57:32,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:57:32,281 INFO L225 Difference]: With dead ends: 3571 [2025-03-08 20:57:32,281 INFO L226 Difference]: Without dead ends: 1798 [2025-03-08 20:57:32,286 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-08 20:57:32,287 INFO L435 NwaCegarLoop]: 2394 mSDtfsCounter, 3042 mSDsluCounter, 1519 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 1728 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3042 SdHoareTripleChecker+Valid, 3913 SdHoareTripleChecker+Invalid, 2655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1728 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2025-03-08 20:57:32,287 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3042 Valid, 3913 Invalid, 2655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1728 Valid, 926 Invalid, 1 Unknown, 0 Unchecked, 15.4s Time] [2025-03-08 20:57:32,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1798 states. [2025-03-08 20:57:32,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1798 to 1798. [2025-03-08 20:57:32,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1798 states, 1242 states have (on average 1.2447665056360708) internal successors, (1546), 1280 states have internal predecessors, (1546), 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) [2025-03-08 20:57:32,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1798 states to 1798 states and 2420 transitions. [2025-03-08 20:57:32,351 INFO L78 Accepts]: Start accepts. Automaton has 1798 states and 2420 transitions. Word has length 229 [2025-03-08 20:57:32,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:57:32,352 INFO L471 AbstractCegarLoop]: Abstraction has 1798 states and 2420 transitions. [2025-03-08 20:57:32,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 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) [2025-03-08 20:57:32,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1798 states and 2420 transitions. [2025-03-08 20:57:32,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2025-03-08 20:57:32,356 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:57:32,356 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, 1, 1, 1, 1, 1] [2025-03-08 20:57:32,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 20:57:32,357 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 20:57:32,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:57:32,357 INFO L85 PathProgramCache]: Analyzing trace with hash 577007020, now seen corresponding path program 1 times [2025-03-08 20:57:32,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:57:32,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782949632] [2025-03-08 20:57:32,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:57:32,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:57:35,442 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 204 statements into 1 equivalence classes. [2025-03-08 20:57:35,520 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 204 of 204 statements. [2025-03-08 20:57:35,520 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:57:35,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:57:36,249 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2025-03-08 20:57:36,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:57:36,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782949632] [2025-03-08 20:57:36,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782949632] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:57:36,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:57:36,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 20:57:36,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415161776] [2025-03-08 20:57:36,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:57:36,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 20:57:36,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:57:36,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 20:57:36,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 20:57:36,252 INFO L87 Difference]: Start difference. First operand 1798 states and 2420 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 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) [2025-03-08 20:57:40,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:57:52,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:57:52,256 INFO L93 Difference]: Finished difference Result 3571 states and 4813 transitions. [2025-03-08 20:57:52,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:57:52,256 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 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 204 [2025-03-08 20:57:52,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:57:52,267 INFO L225 Difference]: With dead ends: 3571 [2025-03-08 20:57:52,267 INFO L226 Difference]: Without dead ends: 1798 [2025-03-08 20:57:52,274 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 [2025-03-08 20:57:52,274 INFO L435 NwaCegarLoop]: 2393 mSDtfsCounter, 3041 mSDsluCounter, 1518 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 1730 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3041 SdHoareTripleChecker+Valid, 3911 SdHoareTripleChecker+Invalid, 2657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1730 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2025-03-08 20:57:52,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3041 Valid, 3911 Invalid, 2657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1730 Valid, 926 Invalid, 1 Unknown, 0 Unchecked, 15.6s Time] [2025-03-08 20:57:52,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1798 states. [2025-03-08 20:57:52,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1798 to 1798. [2025-03-08 20:57:52,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1798 states, 1242 states have (on average 1.2439613526570048) internal successors, (1545), 1280 states have internal predecessors, (1545), 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) [2025-03-08 20:57:52,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1798 states to 1798 states and 2419 transitions. [2025-03-08 20:57:52,353 INFO L78 Accepts]: Start accepts. Automaton has 1798 states and 2419 transitions. Word has length 204 [2025-03-08 20:57:52,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:57:52,354 INFO L471 AbstractCegarLoop]: Abstraction has 1798 states and 2419 transitions. [2025-03-08 20:57:52,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 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) [2025-03-08 20:57:52,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1798 states and 2419 transitions. [2025-03-08 20:57:52,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2025-03-08 20:57:52,359 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:57:52,359 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, 1, 1, 1, 1, 1, 1] [2025-03-08 20:57:52,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 20:57:52,360 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 20:57:52,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:57:52,360 INFO L85 PathProgramCache]: Analyzing trace with hash -947003096, now seen corresponding path program 1 times [2025-03-08 20:57:52,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:57:52,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189906898] [2025-03-08 20:57:52,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:57:52,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:57:55,299 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-03-08 20:57:55,378 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-03-08 20:57:55,378 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:57:55,378 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:57:56,076 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2025-03-08 20:57:56,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:57:56,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189906898] [2025-03-08 20:57:56,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189906898] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:57:56,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:57:56,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 20:57:56,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369276021] [2025-03-08 20:57:56,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:57:56,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 20:57:56,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:57:56,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 20:57:56,079 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 20:57:56,079 INFO L87 Difference]: Start difference. First operand 1798 states and 2419 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 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) [2025-03-08 20:58:00,120 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 []