./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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_complex_emg_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 c2d7f6c194f04de54ba5a893678a720456a663ad567a49e51faf84a68b16d812 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 04:40:07,978 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 04:40:08,059 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 04:40:08,066 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 04:40:08,070 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 04:40:08,103 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 04:40:08,104 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 04:40:08,106 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 04:40:08,107 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 04:40:08,107 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 04:40:08,108 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 04:40:08,108 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 04:40:08,109 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 04:40:08,109 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 04:40:08,110 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 04:40:08,110 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 04:40:08,111 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 04:40:08,111 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 04:40:08,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 04:40:08,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 04:40:08,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 04:40:08,116 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 04:40:08,116 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 04:40:08,117 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 04:40:08,117 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 04:40:08,117 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 04:40:08,118 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 04:40:08,118 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 04:40:08,118 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 04:40:08,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 04:40:08,119 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 04:40:08,119 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 04:40:08,122 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 04:40:08,122 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 04:40:08,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 04:40:08,123 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 04:40:08,123 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 04:40:08,123 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 04:40:08,124 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 04:40:08,124 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2d7f6c194f04de54ba5a893678a720456a663ad567a49e51faf84a68b16d812 [2024-11-19 04:40:08,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 04:40:08,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 04:40:08,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 04:40:08,410 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 04:40:08,411 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 04:40:08,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2024-11-19 04:40:09,864 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 04:40:10,455 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 04:40:10,456 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2024-11-19 04:40:10,518 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29c88d6b1/58a8b8ee06df4d1d944835bb10865684/FLAGa75613cf6 [2024-11-19 04:40:10,533 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29c88d6b1/58a8b8ee06df4d1d944835bb10865684 [2024-11-19 04:40:10,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 04:40:10,538 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 04:40:10,542 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 04:40:10,542 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 04:40:10,547 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 04:40:10,547 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:40:10" (1/1) ... [2024-11-19 04:40:10,548 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a11222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:40:10, skipping insertion in model container [2024-11-19 04:40:10,548 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:40:10" (1/1) ... [2024-11-19 04:40:10,755 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 04:40:15,207 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_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415292,415305] [2024-11-19 04:40:15,212 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_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415437,415450] [2024-11-19 04:40:15,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 04:40:15,342 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 04:40:15,439 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6109] [2024-11-19 04:40:15,441 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [6116] [2024-11-19 04:40:15,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6123] [2024-11-19 04:40:15,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [6227-6228] [2024-11-19 04:40:15,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6233-6235] [2024-11-19 04:40:15,446 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (809), "i" (12UL)); [6260-6261] [2024-11-19 04:40:15,446 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [6266-6268] [2024-11-19 04:40:15,449 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (814), "i" (12UL)); [6292-6293] [2024-11-19 04:40:15,450 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6298-6300] [2024-11-19 04:40:15,451 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [6335] [2024-11-19 04:40:15,454 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/mm.h"), "i" (488), "i" (12UL)); [6535-6536] [2024-11-19 04:40:15,473 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [6919-6920] [2024-11-19 04:40:15,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6926] [2024-11-19 04:40:15,502 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (317), "i" (12UL)); [7618-7619] [2024-11-19 04:40:15,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (321), "i" (12UL)); [7632-7633] [2024-11-19 04:40:15,505 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7656] [2024-11-19 04:40:15,505 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7661] [2024-11-19 04:40:15,505 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7663] [2024-11-19 04:40:15,507 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (374), "i" (12UL)); [7737-7738] [2024-11-19 04:40:15,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7745] [2024-11-19 04:40:15,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (393), "i" (12UL)); [7764-7765] [2024-11-19 04:40:15,513 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7787] [2024-11-19 04:40:15,517 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (451), "i" (12UL)); [7868-7869] [2024-11-19 04:40:15,519 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (473), "i" (12UL)); [7909-7910] [2024-11-19 04:40:15,519 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (482), "i" (12UL)); [7924-7925] [2024-11-19 04:40:15,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (496), "i" (12UL)); [7950-7951] [2024-11-19 04:40:15,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (514), "i" (12UL)); [7977-7978] [2024-11-19 04:40:15,524 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("add %%gs:%P1, %0": "=r" (tcp_ptr__): "m" (this_cpu_off), "0" (np->stats)); [8093] [2024-11-19 04:40:15,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (599), "i" (12UL)); [8207-8208] [2024-11-19 04:40:15,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8259] [2024-11-19 04:40:15,532 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8261] [2024-11-19 04:40:15,534 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (678), "i" (12UL)); [8324-8325] [2024-11-19 04:40:15,541 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (775), "i" (12UL)); [8507-8508] [2024-11-19 04:40:15,547 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (855), "i" (12UL)); [8657-8658] [2024-11-19 04:40:15,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (858), "i" (12UL)); [8674-8675] [2024-11-19 04:40:15,550 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("add %%gs:%P1, %0": "=r" (tcp_ptr__): "m" (this_cpu_off), "0" (np->stats)); [8752] [2024-11-19 04:40:15,554 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8840] [2024-11-19 04:40:15,558 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8955] [2024-11-19 04:40:15,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (np->stats)); [9027] [2024-11-19 04:40:15,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (np->stats)); [9397] [2024-11-19 04:40:15,775 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_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415292,415305] [2024-11-19 04:40:15,775 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_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415437,415450] [2024-11-19 04:40:15,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 04:40:15,973 INFO L204 MainTranslator]: Completed translation [2024-11-19 04:40:15,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:40:15 WrapperNode [2024-11-19 04:40:15,974 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 04:40:15,975 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 04:40:15,975 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 04:40:15,976 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 04:40:15,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:40:15" (1/1) ... [2024-11-19 04:40:16,107 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:40:15" (1/1) ... [2024-11-19 04:40:16,263 INFO L138 Inliner]: procedures = 561, calls = 2453, calls flagged for inlining = 267, calls inlined = 188, statements flattened = 4797 [2024-11-19 04:40:16,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 04:40:16,265 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 04:40:16,265 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 04:40:16,265 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 04:40:16,279 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:40:15" (1/1) ... [2024-11-19 04:40:16,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:40:15" (1/1) ... [2024-11-19 04:40:16,319 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:40:15" (1/1) ... [2024-11-19 04:40:17,108 INFO L175 MemorySlicer]: Split 706 memory accesses to 28 slices as follows [13, 1, 4, 4, 473, 12, 21, 2, 27, 2, 6, 1, 2, 2, 2, 4, 25, 0, 44, 28, 3, 3, 3, 3, 1, 3, 5, 12]. 67 percent of accesses are in the largest equivalence class. The 147 initializations are split as follows [0, 1, 4, 0, 64, 12, 0, 0, 27, 0, 6, 0, 0, 2, 0, 4, 0, 0, 0, 0, 3, 3, 3, 3, 0, 3, 0, 12]. The 342 writes are split as follows [0, 0, 0, 1, 225, 0, 18, 1, 0, 1, 0, 0, 1, 0, 1, 0, 24, 0, 44, 26, 0, 0, 0, 0, 0, 0, 0, 0]. [2024-11-19 04:40:17,109 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:40:15" (1/1) ... [2024-11-19 04:40:17,109 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:40:15" (1/1) ... [2024-11-19 04:40:17,228 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:40:15" (1/1) ... [2024-11-19 04:40:17,251 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:40:15" (1/1) ... [2024-11-19 04:40:17,299 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:40:15" (1/1) ... [2024-11-19 04:40:17,327 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:40:15" (1/1) ... [2024-11-19 04:40:17,378 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 04:40:17,379 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 04:40:17,380 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 04:40:17,380 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 04:40:17,381 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:40:15" (1/1) ... [2024-11-19 04:40:17,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 04:40:17,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 04:40:17,423 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) [2024-11-19 04:40:17,427 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 [2024-11-19 04:40:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2024-11-19 04:40:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2024-11-19 04:40:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-19 04:40:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-19 04:40:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2024-11-19 04:40:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2024-11-19 04:40:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2024-11-19 04:40:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2024-11-19 04:40:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 04:40:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 04:40:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_scanf [2024-11-19 04:40:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_scanf [2024-11-19 04:40:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_lock_of_netfront_info [2024-11-19 04:40:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_lock_of_netfront_info [2024-11-19 04:40:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2024-11-19 04:40:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2024-11-19 04:40:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2024-11-19 04:40:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2024-11-19 04:40:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_interrupt [2024-11-19 04:40:17,478 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_interrupt [2024-11-19 04:40:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-19 04:40:17,478 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-19 04:40:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2024-11-19 04:40:17,479 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2024-11-19 04:40:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2024-11-19 04:40:17,479 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2024-11-19 04:40:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2024-11-19 04:40:17,481 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2024-11-19 04:40:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2024-11-19 04:40:17,481 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2024-11-19 04:40:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2024-11-19 04:40:17,481 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2024-11-19 04:40:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-19 04:40:17,481 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-19 04:40:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2024-11-19 04:40:17,481 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2024-11-19 04:40:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2024-11-19 04:40:17,482 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2024-11-19 04:40:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-19 04:40:17,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-19 04:40:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-11-19 04:40:17,482 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-11-19 04:40:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-19 04:40:17,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-19 04:40:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2024-11-19 04:40:17,482 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2024-11-19 04:40:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 04:40:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2024-11-19 04:40:17,482 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2024-11-19 04:40:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2024-11-19 04:40:17,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2024-11-19 04:40:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2024-11-19 04:40:17,483 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2024-11-19 04:40:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-19 04:40:17,483 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-19 04:40:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2024-11-19 04:40:17,483 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2024-11-19 04:40:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2024-11-19 04:40:17,483 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2024-11-19 04:40:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2024-11-19 04:40:17,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2024-11-19 04:40:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-19 04:40:17,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-19 04:40:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 04:40:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 04:40:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 04:40:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 04:40:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 04:40:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 04:40:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 04:40:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 04:40:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 04:40:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-19 04:40:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-19 04:40:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-19 04:40:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-19 04:40:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-19 04:40:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-19 04:40:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-19 04:40:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-19 04:40:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-19 04:40:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-19 04:40:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-19 04:40:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-19 04:40:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-19 04:40:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-19 04:40:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-19 04:40:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-11-19 04:40:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2024-11-19 04:40:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2024-11-19 04:40:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2024-11-19 04:40:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-19 04:40:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-19 04:40:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 04:40:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 04:40:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 04:40:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 04:40:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 04:40:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 04:40:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 04:40:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 04:40:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 04:40:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 04:40:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 04:40:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-19 04:40:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-19 04:40:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-19 04:40:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-19 04:40:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-19 04:40:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-19 04:40:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-19 04:40:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-19 04:40:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-19 04:40:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-19 04:40:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-19 04:40:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-19 04:40:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-19 04:40:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-19 04:40:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-11-19 04:40:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-11-19 04:40:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2024-11-19 04:40:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-19 04:40:17,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-19 04:40:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-19 04:40:17,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-19 04:40:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_124 [2024-11-19 04:40:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_124 [2024-11-19 04:40:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-19 04:40:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-19 04:40:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-19 04:40:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-19 04:40:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2024-11-19 04:40:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2024-11-19 04:40:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2024-11-19 04:40:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2024-11-19 04:40:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-19 04:40:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-19 04:40:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2024-11-19 04:40:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2024-11-19 04:40:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 04:40:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-19 04:40:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-19 04:40:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 04:40:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-19 04:40:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-19 04:40:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 04:40:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 04:40:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 04:40:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 04:40:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 04:40:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 04:40:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 04:40:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 04:40:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 04:40:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 04:40:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 04:40:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-19 04:40:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-19 04:40:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-19 04:40:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-19 04:40:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-19 04:40:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-19 04:40:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-19 04:40:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-19 04:40:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-19 04:40:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-19 04:40:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-19 04:40:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-19 04:40:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-19 04:40:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-11-19 04:40:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-11-19 04:40:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-11-19 04:40:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2024-11-19 04:40:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2024-11-19 04:40:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2024-11-19 04:40:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2024-11-19 04:40:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2024-11-19 04:40:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2024-11-19 04:40:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2024-11-19 04:40:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-19 04:40:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-19 04:40:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-19 04:40:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-19 04:40:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-19 04:40:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-19 04:40:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-19 04:40:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-19 04:40:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_dev_fatal [2024-11-19 04:40:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_dev_fatal [2024-11-19 04:40:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2024-11-19 04:40:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2024-11-19 04:40:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 04:40:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 04:40:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_netif_exit_20_2 [2024-11-19 04:40:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_netif_exit_20_2 [2024-11-19 04:40:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-19 04:40:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-19 04:40:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 04:40:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 04:40:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 04:40:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 04:40:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 04:40:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 04:40:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 04:40:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 04:40:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 04:40:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-19 04:40:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-19 04:40:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-19 04:40:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-19 04:40:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-19 04:40:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-19 04:40:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-19 04:40:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-19 04:40:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-19 04:40:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-19 04:40:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-19 04:40:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-19 04:40:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-19 04:40:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-19 04:40:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-11-19 04:40:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-11-19 04:40:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2024-11-19 04:40:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2024-11-19 04:40:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2024-11-19 04:40:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-19 04:40:17,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-19 04:40:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2024-11-19 04:40:17,508 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2024-11-19 04:40:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2024-11-19 04:40:17,508 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2024-11-19 04:40:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2024-11-19 04:40:17,508 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2024-11-19 04:40:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-11-19 04:40:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-11-19 04:40:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-19 04:40:17,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-19 04:40:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2024-11-19 04:40:17,512 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2024-11-19 04:40:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 04:40:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 04:40:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 04:40:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-19 04:40:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-19 04:40:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-19 04:40:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-19 04:40:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-19 04:40:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-19 04:40:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-19 04:40:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-19 04:40:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-19 04:40:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-19 04:40:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-19 04:40:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-19 04:40:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-19 04:40:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-19 04:40:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-19 04:40:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-19 04:40:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-11-19 04:40:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-11-19 04:40:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-11-19 04:40:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-11-19 04:40:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2024-11-19 04:40:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2024-11-19 04:40:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2024-11-19 04:40:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2024-11-19 04:40:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#27 [2024-11-19 04:40:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 04:40:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 04:40:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 04:40:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-19 04:40:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-19 04:40:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-19 04:40:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-19 04:40:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-19 04:40:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-19 04:40:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-19 04:40:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-19 04:40:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-19 04:40:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-19 04:40:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-19 04:40:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-19 04:40:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-19 04:40:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-19 04:40:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-19 04:40:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-19 04:40:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-11-19 04:40:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-11-19 04:40:17,517 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-11-19 04:40:17,518 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-11-19 04:40:17,518 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2024-11-19 04:40:17,518 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2024-11-19 04:40:17,518 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2024-11-19 04:40:17,518 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2024-11-19 04:40:17,518 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#27 [2024-11-19 04:40:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-19 04:40:17,518 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-19 04:40:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2024-11-19 04:40:17,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2024-11-19 04:40:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2024-11-19 04:40:17,519 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2024-11-19 04:40:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2024-11-19 04:40:17,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2024-11-19 04:40:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 04:40:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_printf [2024-11-19 04:40:17,519 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_printf [2024-11-19 04:40:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2024-11-19 04:40:17,519 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2024-11-19 04:40:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2024-11-19 04:40:17,520 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2024-11-19 04:40:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_netfront_info [2024-11-19 04:40:17,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_netfront_info [2024-11-19 04:40:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 04:40:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 04:40:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 04:40:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 04:40:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 04:40:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 04:40:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 04:40:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 04:40:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 04:40:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 04:40:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 04:40:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-19 04:40:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-19 04:40:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-19 04:40:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-19 04:40:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-19 04:40:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-19 04:40:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-19 04:40:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-19 04:40:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-19 04:40:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-19 04:40:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-19 04:40:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-19 04:40:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-19 04:40:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-11-19 04:40:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-11-19 04:40:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-11-19 04:40:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2024-11-19 04:40:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2024-11-19 04:40:17,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2024-11-19 04:40:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_min [2024-11-19 04:40:17,523 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_min [2024-11-19 04:40:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2024-11-19 04:40:17,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2024-11-19 04:40:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-19 04:40:17,524 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-19 04:40:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2024-11-19 04:40:17,524 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2024-11-19 04:40:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2024-11-19 04:40:17,524 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2024-11-19 04:40:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2024-11-19 04:40:17,524 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2024-11-19 04:40:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-19 04:40:17,524 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-19 04:40:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-19 04:40:17,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-19 04:40:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2024-11-19 04:40:17,525 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2024-11-19 04:40:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2024-11-19 04:40:17,525 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2024-11-19 04:40:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-11-19 04:40:17,525 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-11-19 04:40:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_104 [2024-11-19 04:40:17,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_104 [2024-11-19 04:40:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2024-11-19 04:40:17,525 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2024-11-19 04:40:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2024-11-19 04:40:17,525 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2024-11-19 04:40:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2024-11-19 04:40:17,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2024-11-19 04:40:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-19 04:40:17,525 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-19 04:40:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-19 04:40:17,529 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-19 04:40:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2024-11-19 04:40:17,529 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2024-11-19 04:40:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2024-11-19 04:40:17,530 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2024-11-19 04:40:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-19 04:40:17,530 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-19 04:40:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-19 04:40:17,530 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-19 04:40:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2024-11-19 04:40:17,530 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2024-11-19 04:40:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 04:40:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 04:40:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 04:40:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 04:40:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 04:40:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 04:40:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 04:40:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 04:40:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 04:40:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 04:40:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 04:40:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-19 04:40:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-19 04:40:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-19 04:40:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-19 04:40:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-19 04:40:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-19 04:40:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-19 04:40:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-19 04:40:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-19 04:40:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-19 04:40:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-19 04:40:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-19 04:40:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-19 04:40:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-19 04:40:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-11-19 04:40:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-11-19 04:40:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2024-11-19 04:40:17,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-19 04:40:17,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-19 04:40:17,532 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-19 04:40:17,532 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-19 04:40:17,532 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rx_interrupt [2024-11-19 04:40:17,532 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rx_interrupt [2024-11-19 04:40:17,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2024-11-19 04:40:17,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2024-11-19 04:40:17,532 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2024-11-19 04:40:17,532 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2024-11-19 04:40:17,532 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2024-11-19 04:40:17,532 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2024-11-19 04:40:17,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_105 [2024-11-19 04:40:17,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_105 [2024-11-19 04:40:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_max [2024-11-19 04:40:17,533 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_max [2024-11-19 04:40:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-19 04:40:17,533 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-19 04:40:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2024-11-19 04:40:17,533 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2024-11-19 04:40:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-19 04:40:17,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-19 04:40:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_interrupt [2024-11-19 04:40:17,534 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_interrupt [2024-11-19 04:40:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_123 [2024-11-19 04:40:17,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_123 [2024-11-19 04:40:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 04:40:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 04:40:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 04:40:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 04:40:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 04:40:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 04:40:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 04:40:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 04:40:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 04:40:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 04:40:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 04:40:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 04:40:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-19 04:40:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-19 04:40:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-19 04:40:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-19 04:40:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-19 04:40:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-19 04:40:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-19 04:40:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-19 04:40:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-19 04:40:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-19 04:40:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-19 04:40:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-19 04:40:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-19 04:40:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-11-19 04:40:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-11-19 04:40:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2024-11-19 04:40:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-19 04:40:17,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-19 04:40:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2024-11-19 04:40:17,536 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2024-11-19 04:40:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2024-11-19 04:40:17,536 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2024-11-19 04:40:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2024-11-19 04:40:17,536 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2024-11-19 04:40:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2024-11-19 04:40:17,537 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2024-11-19 04:40:18,420 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 04:40:18,425 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 04:40:18,572 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-19 04:40:30,397 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-19 04:40:32,371 INFO L? ?]: Removed 2021 outVars from TransFormulas that were not future-live. [2024-11-19 04:40:32,372 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 04:40:32,428 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 04:40:32,430 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-19 04:40:32,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:40:32 BoogieIcfgContainer [2024-11-19 04:40:32,431 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 04:40:32,433 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 04:40:32,433 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 04:40:32,437 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 04:40:32,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:40:10" (1/3) ... [2024-11-19 04:40:32,438 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ff3f27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:40:32, skipping insertion in model container [2024-11-19 04:40:32,438 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:40:15" (2/3) ... [2024-11-19 04:40:32,438 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ff3f27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:40:32, skipping insertion in model container [2024-11-19 04:40:32,438 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:40:32" (3/3) ... [2024-11-19 04:40:32,440 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2024-11-19 04:40:32,459 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 04:40:32,460 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 04:40:32,589 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 04:40:32,598 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;@3cc602ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 04:40:32,599 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 04:40:32,615 INFO L276 IsEmpty]: Start isEmpty. Operand has 1753 states, 1183 states have (on average 1.2544378698224852) internal successors, (1484), 1201 states have internal predecessors, (1484), 459 states have call successors, (459), 111 states have call predecessors, (459), 110 states have return successors, (454), 453 states have call predecessors, (454), 454 states have call successors, (454) [2024-11-19 04:40:32,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2024-11-19 04:40:32,673 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:40:32,674 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 29, 29, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:40:32,674 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:40:32,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:40:32,684 INFO L85 PathProgramCache]: Analyzing trace with hash -980992894, now seen corresponding path program 1 times [2024-11-19 04:40:32,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:40:32,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361917500] [2024-11-19 04:40:32,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:40:32,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:40:37,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:40:38,283 INFO L134 CoverageAnalysis]: Checked inductivity of 3756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3756 trivial. 0 not checked. [2024-11-19 04:40:38,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:40:38,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361917500] [2024-11-19 04:40:38,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361917500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:40:38,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:40:38,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:40:38,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842570904] [2024-11-19 04:40:38,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:40:38,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:40:38,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:40:38,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:40:38,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:40:38,331 INFO L87 Difference]: Start difference. First operand has 1753 states, 1183 states have (on average 1.2544378698224852) internal successors, (1484), 1201 states have internal predecessors, (1484), 459 states have call successors, (459), 111 states have call predecessors, (459), 110 states have return successors, (454), 453 states have call predecessors, (454), 454 states have call successors, (454) Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2024-11-19 04:40:42,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 04:40:43,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:40:43,443 INFO L93 Difference]: Finished difference Result 5078 states and 6981 transitions. [2024-11-19 04:40:43,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:40:43,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 462 [2024-11-19 04:40:43,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:40:43,503 INFO L225 Difference]: With dead ends: 5078 [2024-11-19 04:40:43,503 INFO L226 Difference]: Without dead ends: 3264 [2024-11-19 04:40:43,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:40:43,527 INFO L432 NwaCegarLoop]: 2405 mSDtfsCounter, 2212 mSDsluCounter, 2354 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2212 SdHoareTripleChecker+Valid, 4759 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-19 04:40:43,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2212 Valid, 4759 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 31 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-19 04:40:43,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3264 states. [2024-11-19 04:40:43,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3264 to 3260. [2024-11-19 04:40:43,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3260 states, 2227 states have (on average 1.2528064660978895) internal successors, (2790), 2263 states have internal predecessors, (2790), 816 states have call successors, (816), 216 states have call predecessors, (816), 216 states have return successors, (816), 812 states have call predecessors, (816), 816 states have call successors, (816) [2024-11-19 04:40:43,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3260 states to 3260 states and 4422 transitions. [2024-11-19 04:40:43,841 INFO L78 Accepts]: Start accepts. Automaton has 3260 states and 4422 transitions. Word has length 462 [2024-11-19 04:40:43,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:40:43,844 INFO L471 AbstractCegarLoop]: Abstraction has 3260 states and 4422 transitions. [2024-11-19 04:40:43,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2024-11-19 04:40:43,845 INFO L276 IsEmpty]: Start isEmpty. Operand 3260 states and 4422 transitions. [2024-11-19 04:40:43,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2024-11-19 04:40:43,867 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:40:43,868 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 29, 29, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:40:43,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 04:40:43,869 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:40:43,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:40:43,870 INFO L85 PathProgramCache]: Analyzing trace with hash 2098904973, now seen corresponding path program 1 times [2024-11-19 04:40:43,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:40:43,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649603396] [2024-11-19 04:40:43,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:40:43,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:40:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:40:48,053 INFO L134 CoverageAnalysis]: Checked inductivity of 3768 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3768 trivial. 0 not checked. [2024-11-19 04:40:48,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:40:48,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649603396] [2024-11-19 04:40:48,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649603396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:40:48,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:40:48,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:40:48,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837990507] [2024-11-19 04:40:48,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:40:48,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:40:48,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:40:48,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:40:48,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:40:48,059 INFO L87 Difference]: Start difference. First operand 3260 states and 4422 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-11-19 04:40:52,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 04:40:53,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:40:53,309 INFO L93 Difference]: Finished difference Result 9563 states and 12945 transitions. [2024-11-19 04:40:53,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:40:53,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 467 [2024-11-19 04:40:53,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:40:53,355 INFO L225 Difference]: With dead ends: 9563 [2024-11-19 04:40:53,355 INFO L226 Difference]: Without dead ends: 6366 [2024-11-19 04:40:53,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:40:53,373 INFO L432 NwaCegarLoop]: 2347 mSDtfsCounter, 2124 mSDsluCounter, 2261 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2124 SdHoareTripleChecker+Valid, 4608 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-19 04:40:53,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2124 Valid, 4608 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 31 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-19 04:40:53,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6366 states. [2024-11-19 04:40:53,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6366 to 6360. [2024-11-19 04:40:53,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6360 states, 4353 states have (on average 1.2520101079715138) internal successors, (5450), 4427 states have internal predecessors, (5450), 1575 states have call successors, (1575), 431 states have call predecessors, (1575), 431 states have return successors, (1575), 1565 states have call predecessors, (1575), 1575 states have call successors, (1575) [2024-11-19 04:40:53,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6360 states to 6360 states and 8600 transitions. [2024-11-19 04:40:53,749 INFO L78 Accepts]: Start accepts. Automaton has 6360 states and 8600 transitions. Word has length 467 [2024-11-19 04:40:53,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:40:53,750 INFO L471 AbstractCegarLoop]: Abstraction has 6360 states and 8600 transitions. [2024-11-19 04:40:53,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-11-19 04:40:53,751 INFO L276 IsEmpty]: Start isEmpty. Operand 6360 states and 8600 transitions. [2024-11-19 04:40:53,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2024-11-19 04:40:53,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:40:53,776 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 29, 29, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:40:53,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 04:40:53,777 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:40:53,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:40:53,781 INFO L85 PathProgramCache]: Analyzing trace with hash -407597248, now seen corresponding path program 1 times [2024-11-19 04:40:53,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:40:53,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088691442] [2024-11-19 04:40:53,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:40:53,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:40:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:40:57,724 INFO L134 CoverageAnalysis]: Checked inductivity of 3768 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3768 trivial. 0 not checked. [2024-11-19 04:40:57,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:40:57,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088691442] [2024-11-19 04:40:57,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088691442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:40:57,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:40:57,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:40:57,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100490531] [2024-11-19 04:40:57,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:40:57,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:40:57,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:40:57,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:40:57,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:40:57,728 INFO L87 Difference]: Start difference. First operand 6360 states and 8600 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-11-19 04:41:01,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 04:41:03,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:41:03,287 INFO L93 Difference]: Finished difference Result 18777 states and 25348 transitions. [2024-11-19 04:41:03,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:41:03,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 468 [2024-11-19 04:41:03,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:41:03,394 INFO L225 Difference]: With dead ends: 18777 [2024-11-19 04:41:03,394 INFO L226 Difference]: Without dead ends: 12480 [2024-11-19 04:41:03,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:41:03,435 INFO L432 NwaCegarLoop]: 2716 mSDtfsCounter, 2124 mSDsluCounter, 2262 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2124 SdHoareTripleChecker+Valid, 4978 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-19 04:41:03,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2124 Valid, 4978 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 31 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-19 04:41:03,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12480 states. [2024-11-19 04:41:04,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12480 to 12472. [2024-11-19 04:41:04,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12472 states, 8547 states have (on average 1.24991224991225) internal successors, (10683), 8697 states have internal predecessors, (10683), 3065 states have call successors, (3065), 859 states have call predecessors, (3065), 859 states have return successors, (3065), 3043 states have call predecessors, (3065), 3065 states have call successors, (3065) [2024-11-19 04:41:04,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12472 states to 12472 states and 16813 transitions. [2024-11-19 04:41:04,153 INFO L78 Accepts]: Start accepts. Automaton has 12472 states and 16813 transitions. Word has length 468 [2024-11-19 04:41:04,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:41:04,154 INFO L471 AbstractCegarLoop]: Abstraction has 12472 states and 16813 transitions. [2024-11-19 04:41:04,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-11-19 04:41:04,155 INFO L276 IsEmpty]: Start isEmpty. Operand 12472 states and 16813 transitions. [2024-11-19 04:41:04,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2024-11-19 04:41:04,195 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:41:04,195 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 29, 29, 29, 29, 29, 29, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:41:04,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 04:41:04,196 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:41:04,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:41:04,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1273586542, now seen corresponding path program 1 times [2024-11-19 04:41:04,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:41:04,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472043564] [2024-11-19 04:41:04,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:41:04,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:41:08,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:41:08,949 INFO L134 CoverageAnalysis]: Checked inductivity of 3877 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3874 trivial. 0 not checked. [2024-11-19 04:41:08,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:41:08,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472043564] [2024-11-19 04:41:08,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472043564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:41:08,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:41:08,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:41:08,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967735487] [2024-11-19 04:41:08,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:41:08,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:41:08,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:41:08,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:41:08,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:41:08,954 INFO L87 Difference]: Start difference. First operand 12472 states and 16813 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2024-11-19 04:41:13,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 04:41:14,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:41:14,219 INFO L93 Difference]: Finished difference Result 26415 states and 35516 transitions. [2024-11-19 04:41:14,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:41:14,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 490 [2024-11-19 04:41:14,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:41:14,339 INFO L225 Difference]: With dead ends: 26415 [2024-11-19 04:41:14,340 INFO L226 Difference]: Without dead ends: 14006 [2024-11-19 04:41:14,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:41:14,401 INFO L432 NwaCegarLoop]: 2514 mSDtfsCounter, 1928 mSDsluCounter, 2232 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1928 SdHoareTripleChecker+Valid, 4746 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-19 04:41:14,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1928 Valid, 4746 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-19 04:41:14,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14006 states. [2024-11-19 04:41:14,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14006 to 14004. [2024-11-19 04:41:15,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14004 states, 9597 states have (on average 1.2464311764092946) internal successors, (11962), 9764 states have internal predecessors, (11962), 3414 states have call successors, (3414), 992 states have call predecessors, (3414), 992 states have return successors, (3414), 3391 states have call predecessors, (3414), 3414 states have call successors, (3414) [2024-11-19 04:41:15,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14004 states to 14004 states and 18790 transitions. [2024-11-19 04:41:15,092 INFO L78 Accepts]: Start accepts. Automaton has 14004 states and 18790 transitions. Word has length 490 [2024-11-19 04:41:15,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:41:15,093 INFO L471 AbstractCegarLoop]: Abstraction has 14004 states and 18790 transitions. [2024-11-19 04:41:15,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2024-11-19 04:41:15,095 INFO L276 IsEmpty]: Start isEmpty. Operand 14004 states and 18790 transitions. [2024-11-19 04:41:15,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2024-11-19 04:41:15,227 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:41:15,227 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 29, 29, 29, 29, 29, 29, 7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:41:15,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 04:41:15,228 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:41:15,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:41:15,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1924393750, now seen corresponding path program 1 times [2024-11-19 04:41:15,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:41:15,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806099321] [2024-11-19 04:41:15,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:41:15,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:41:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:41:20,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4122 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4107 trivial. 0 not checked. [2024-11-19 04:41:20,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:41:20,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806099321] [2024-11-19 04:41:20,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806099321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:41:20,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:41:20,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:41:20,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427809666] [2024-11-19 04:41:20,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:41:20,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:41:20,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:41:20,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:41:20,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:41:20,090 INFO L87 Difference]: Start difference. First operand 14004 states and 18790 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2024-11-19 04:41:24,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []