./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d6bc19-c4b8-4b87-8d48-13102401a7fb/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d6bc19-c4b8-4b87-8d48-13102401a7fb/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d6bc19-c4b8-4b87-8d48-13102401a7fb/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d6bc19-c4b8-4b87-8d48-13102401a7fb/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d6bc19-c4b8-4b87-8d48-13102401a7fb/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d6bc19-c4b8-4b87-8d48-13102401a7fb/bin/ukojak-verify-afCqCEvfdi --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c2d7f6c194f04de54ba5a893678a720456a663ad567a49e51faf84a68b16d812 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:13:08,539 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:13:08,658 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d6bc19-c4b8-4b87-8d48-13102401a7fb/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-24 22:13:08,667 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:13:08,667 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:13:08,710 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:13:08,711 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:13:08,711 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:13:08,712 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:13:08,717 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:13:08,717 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:13:08,718 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:13:08,718 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:13:08,719 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:13:08,719 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:13:08,720 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:13:08,720 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:13:08,720 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:13:08,721 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:13:08,721 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:13:08,722 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:13:08,724 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:13:08,724 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:13:08,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:13:08,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:13:08,726 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:13:08,726 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:13:08,727 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:13:08,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:13:08,727 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:13:08,729 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d6bc19-c4b8-4b87-8d48-13102401a7fb/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d6bc19-c4b8-4b87-8d48-13102401a7fb/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2d7f6c194f04de54ba5a893678a720456a663ad567a49e51faf84a68b16d812 [2023-11-24 22:13:08,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:13:09,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:13:09,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:13:09,024 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:13:09,024 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:13:09,026 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d6bc19-c4b8-4b87-8d48-13102401a7fb/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2023-11-24 22:13:12,147 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:13:12,863 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:13:12,863 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d6bc19-c4b8-4b87-8d48-13102401a7fb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2023-11-24 22:13:12,918 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d6bc19-c4b8-4b87-8d48-13102401a7fb/bin/ukojak-verify-afCqCEvfdi/data/7093b2eb6/1f96680a47bd4dbdae952f739f97dcad/FLAG6cf5d980e [2023-11-24 22:13:12,934 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d6bc19-c4b8-4b87-8d48-13102401a7fb/bin/ukojak-verify-afCqCEvfdi/data/7093b2eb6/1f96680a47bd4dbdae952f739f97dcad [2023-11-24 22:13:12,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:13:12,939 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:13:12,940 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:13:12,940 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:13:12,946 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:13:12,947 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:12" (1/1) ... [2023-11-24 22:13:12,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7efad30c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:12, skipping insertion in model container [2023-11-24 22:13:12,948 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:12" (1/1) ... [2023-11-24 22:13:13,109 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:13:17,167 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d6bc19-c4b8-4b87-8d48-13102401a7fb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415292,415305] [2023-11-24 22:13:17,173 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d6bc19-c4b8-4b87-8d48-13102401a7fb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415437,415450] [2023-11-24 22:13:17,209 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:17,278 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:13:17,470 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] [2023-11-24 22:13:17,472 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] [2023-11-24 22:13:17,472 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6123] [2023-11-24 22:13:17,476 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] [2023-11-24 22:13:17,476 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] [2023-11-24 22:13:17,477 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] [2023-11-24 22:13:17,478 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] [2023-11-24 22:13:17,479 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] [2023-11-24 22:13:17,479 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] [2023-11-24 22:13:17,480 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] [2023-11-24 22:13:17,485 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] [2023-11-24 22:13:17,499 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] [2023-11-24 22:13:17,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6926] [2023-11-24 22:13:17,528 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" (317), "i" (12UL)); [7618-7619] [2023-11-24 22:13:17,529 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] [2023-11-24 22:13:17,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7656] [2023-11-24 22:13:17,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7661] [2023-11-24 22:13:17,532 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7663] [2023-11-24 22:13:17,534 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" (374), "i" (12UL)); [7737-7738] [2023-11-24 22:13:17,535 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7745] [2023-11-24 22:13:17,536 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] [2023-11-24 22:13:17,538 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7787] [2023-11-24 22:13:17,542 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] [2023-11-24 22:13:17,544 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] [2023-11-24 22:13:17,545 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] [2023-11-24 22:13:17,547 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" (496), "i" (12UL)); [7950-7951] [2023-11-24 22:13:17,548 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" (514), "i" (12UL)); [7977-7978] [2023-11-24 22:13:17,552 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] [2023-11-24 22:13:17,556 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] [2023-11-24 22:13:17,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8259] [2023-11-24 22:13:17,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8261] [2023-11-24 22:13:17,562 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] [2023-11-24 22:13:17,569 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] [2023-11-24 22:13:17,574 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] [2023-11-24 22:13:17,575 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] [2023-11-24 22:13:17,578 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] [2023-11-24 22:13:17,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8840] [2023-11-24 22:13:17,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8955] [2023-11-24 22:13:17,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (np->stats)); [9027] [2023-11-24 22:13:17,602 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (np->stats)); [9397] [2023-11-24 22:13:17,820 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d6bc19-c4b8-4b87-8d48-13102401a7fb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415292,415305] [2023-11-24 22:13:17,821 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d6bc19-c4b8-4b87-8d48-13102401a7fb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415437,415450] [2023-11-24 22:13:17,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:18,109 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:13:18,118 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:13:18,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:18 WrapperNode [2023-11-24 22:13:18,119 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:13:18,120 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:13:18,120 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:13:18,121 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:13:18,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:18" (1/1) ... [2023-11-24 22:13:18,240 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:18" (1/1) ... [2023-11-24 22:13:18,522 INFO L138 Inliner]: procedures = 562, calls = 2419, calls flagged for inlining = 267, calls inlined = 188, statements flattened = 4697 [2023-11-24 22:13:18,523 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:13:18,523 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:13:18,523 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:13:18,523 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:13:18,536 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:18" (1/1) ... [2023-11-24 22:13:18,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:18" (1/1) ... [2023-11-24 22:13:18,598 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:18" (1/1) ... [2023-11-24 22:13:18,599 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:18" (1/1) ... [2023-11-24 22:13:18,749 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:18" (1/1) ... [2023-11-24 22:13:18,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:18" (1/1) ... [2023-11-24 22:13:18,831 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:18" (1/1) ... [2023-11-24 22:13:18,855 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:18" (1/1) ... [2023-11-24 22:13:18,892 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:13:18,893 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:13:18,893 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:13:18,893 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:13:18,894 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:18" (1/1) ... [2023-11-24 22:13:18,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:13:18,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d6bc19-c4b8-4b87-8d48-13102401a7fb/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:13:18,928 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d6bc19-c4b8-4b87-8d48-13102401a7fb/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:13:18,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d6bc19-c4b8-4b87-8d48-13102401a7fb/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:13:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2023-11-24 22:13:18,988 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2023-11-24 22:13:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-24 22:13:18,989 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-24 22:13:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-11-24 22:13:18,989 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-11-24 22:13:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-24 22:13:18,990 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-24 22:13:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 22:13:18,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 22:13:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_scanf [2023-11-24 22:13:18,990 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_scanf [2023-11-24 22:13:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_lock_of_netfront_info [2023-11-24 22:13:18,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_lock_of_netfront_info [2023-11-24 22:13:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2023-11-24 22:13:18,991 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2023-11-24 22:13:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-24 22:13:18,991 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-24 22:13:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_interrupt [2023-11-24 22:13:18,992 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_interrupt [2023-11-24 22:13:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-24 22:13:18,992 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-24 22:13:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2023-11-24 22:13:18,992 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2023-11-24 22:13:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2023-11-24 22:13:18,993 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2023-11-24 22:13:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2023-11-24 22:13:18,993 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2023-11-24 22:13:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2023-11-24 22:13:18,994 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2023-11-24 22:13:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2023-11-24 22:13:18,995 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2023-11-24 22:13:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-24 22:13:18,996 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-24 22:13:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2023-11-24 22:13:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2023-11-24 22:13:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-24 22:13:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2023-11-24 22:13:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2023-11-24 22:13:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-24 22:13:18,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-24 22:13:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-24 22:13:18,998 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-24 22:13:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-24 22:13:18,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-24 22:13:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2023-11-24 22:13:18,999 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2023-11-24 22:13:19,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:13:19,000 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-24 22:13:19,000 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-24 22:13:19,000 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2023-11-24 22:13:19,000 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2023-11-24 22:13:19,000 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2023-11-24 22:13:19,000 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2023-11-24 22:13:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-24 22:13:19,001 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-24 22:13:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2023-11-24 22:13:19,002 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2023-11-24 22:13:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2023-11-24 22:13:19,003 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2023-11-24 22:13:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-24 22:13:19,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-24 22:13:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-24 22:13:19,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-24 22:13:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 22:13:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-24 22:13:19,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-24 22:13:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:13:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-24 22:13:19,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-24 22:13:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-24 22:13:19,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-24 22:13:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_124 [2023-11-24 22:13:19,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_124 [2023-11-24 22:13:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-24 22:13:19,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-24 22:13:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-24 22:13:19,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-24 22:13:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2023-11-24 22:13:19,006 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2023-11-24 22:13:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2023-11-24 22:13:19,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2023-11-24 22:13:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-24 22:13:19,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-24 22:13:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2023-11-24 22:13:19,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2023-11-24 22:13:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:13:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-24 22:13:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-24 22:13:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:13:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-24 22:13:19,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-24 22:13:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:13:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-24 22:13:19,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-24 22:13:19,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-24 22:13:19,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-24 22:13:19,010 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2023-11-24 22:13:19,011 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2023-11-24 22:13:19,011 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-24 22:13:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-24 22:13:19,012 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-24 22:13:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-24 22:13:19,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-24 22:13:19,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-24 22:13:19,013 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-24 22:13:19,013 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-24 22:13:19,013 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_dev_fatal [2023-11-24 22:13:19,013 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_dev_fatal [2023-11-24 22:13:19,014 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2023-11-24 22:13:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2023-11-24 22:13:19,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:13:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:13:19,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_netif_exit_20_2 [2023-11-24 22:13:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_netif_exit_20_2 [2023-11-24 22:13:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-24 22:13:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-24 22:13:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-24 22:13:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-24 22:13:19,019 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2023-11-24 22:13:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2023-11-24 22:13:19,020 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2023-11-24 22:13:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2023-11-24 22:13:19,020 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2023-11-24 22:13:19,021 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2023-11-24 22:13:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-24 22:13:19,022 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-24 22:13:19,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-24 22:13:19,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-24 22:13:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2023-11-24 22:13:19,030 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2023-11-24 22:13:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 22:13:19,030 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 22:13:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-24 22:13:19,030 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-24 22:13:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-24 22:13:19,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-24 22:13:19,031 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2023-11-24 22:13:19,031 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2023-11-24 22:13:19,031 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-24 22:13:19,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-24 22:13:19,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:13:19,031 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_printf [2023-11-24 22:13:19,031 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_printf [2023-11-24 22:13:19,031 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2023-11-24 22:13:19,032 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2023-11-24 22:13:19,032 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2023-11-24 22:13:19,032 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2023-11-24 22:13:19,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_netfront_info [2023-11-24 22:13:19,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_netfront_info [2023-11-24 22:13:19,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:13:19,032 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2023-11-24 22:13:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2023-11-24 22:13:19,033 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_min [2023-11-24 22:13:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_min [2023-11-24 22:13:19,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2023-11-24 22:13:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2023-11-24 22:13:19,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:13:19,033 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-24 22:13:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-24 22:13:19,034 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-24 22:13:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-24 22:13:19,034 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2023-11-24 22:13:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2023-11-24 22:13:19,034 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2023-11-24 22:13:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2023-11-24 22:13:19,034 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-24 22:13:19,035 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-24 22:13:19,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-24 22:13:19,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-24 22:13:19,035 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2023-11-24 22:13:19,035 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2023-11-24 22:13:19,036 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2023-11-24 22:13:19,036 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2023-11-24 22:13:19,036 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-24 22:13:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-24 22:13:19,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_104 [2023-11-24 22:13:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_104 [2023-11-24 22:13:19,037 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2023-11-24 22:13:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2023-11-24 22:13:19,037 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2023-11-24 22:13:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2023-11-24 22:13:19,037 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2023-11-24 22:13:19,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2023-11-24 22:13:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-24 22:13:19,038 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-24 22:13:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-24 22:13:19,038 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-24 22:13:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2023-11-24 22:13:19,038 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2023-11-24 22:13:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2023-11-24 22:13:19,039 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2023-11-24 22:13:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-24 22:13:19,039 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-24 22:13:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-24 22:13:19,039 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-24 22:13:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2023-11-24 22:13:19,040 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2023-11-24 22:13:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:13:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 22:13:19,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 22:13:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-24 22:13:19,040 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-24 22:13:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rx_interrupt [2023-11-24 22:13:19,041 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rx_interrupt [2023-11-24 22:13:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2023-11-24 22:13:19,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2023-11-24 22:13:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-24 22:13:19,041 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-24 22:13:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2023-11-24 22:13:19,041 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2023-11-24 22:13:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_105 [2023-11-24 22:13:19,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_105 [2023-11-24 22:13:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_max [2023-11-24 22:13:19,042 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_max [2023-11-24 22:13:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-24 22:13:19,042 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-24 22:13:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-11-24 22:13:19,043 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-11-24 22:13:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-24 22:13:19,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-24 22:13:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_interrupt [2023-11-24 22:13:19,043 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_interrupt [2023-11-24 22:13:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_123 [2023-11-24 22:13:19,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_123 [2023-11-24 22:13:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:13:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-24 22:13:19,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-24 22:13:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-24 22:13:19,044 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-24 22:13:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-11-24 22:13:19,044 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-11-24 22:13:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2023-11-24 22:13:19,045 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2023-11-24 22:13:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2023-11-24 22:13:19,045 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2023-11-24 22:13:20,018 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:13:20,028 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:13:20,402 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-24 22:13:24,152 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-24 22:13:24,480 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:13:25,821 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:13:25,821 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:13:25,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:25 BoogieIcfgContainer [2023-11-24 22:13:25,825 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:13:25,827 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:13:25,831 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:13:25,905 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:13:25,906 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:25" (1/1) ... [2023-11-24 22:13:25,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:13:26,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:26,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1891 states to 1346 states and 1891 transitions. [2023-11-24 22:13:26,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1891 transitions. [2023-11-24 22:13:26,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2023-11-24 22:13:26,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:26,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:27,627 INFO L134 CoverageAnalysis]: Checked inductivity of 3317 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3317 trivial. 0 not checked. [2023-11-24 22:13:28,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:28,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1930 states to 1363 states and 1930 transitions. [2023-11-24 22:13:28,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 1930 transitions. [2023-11-24 22:13:28,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2023-11-24 22:13:28,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:28,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:29,143 INFO L134 CoverageAnalysis]: Checked inductivity of 3326 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3326 trivial. 0 not checked. [2023-11-24 22:13:29,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:29,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1973 states to 1381 states and 1973 transitions. [2023-11-24 22:13:29,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 1973 transitions. [2023-11-24 22:13:29,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2023-11-24 22:13:29,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:29,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:30,106 INFO L134 CoverageAnalysis]: Checked inductivity of 3391 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3391 trivial. 0 not checked. [2023-11-24 22:13:30,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:30,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2017 states to 1397 states and 2017 transitions. [2023-11-24 22:13:30,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 2017 transitions. [2023-11-24 22:13:30,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2023-11-24 22:13:30,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:30,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:30,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:31,082 INFO L134 CoverageAnalysis]: Checked inductivity of 3452 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3448 trivial. 0 not checked. [2023-11-24 22:13:31,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:31,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2041 states to 1402 states and 2041 transitions. [2023-11-24 22:13:31,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 2041 transitions. [2023-11-24 22:13:31,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2023-11-24 22:13:31,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:31,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:31,887 INFO L134 CoverageAnalysis]: Checked inductivity of 3326 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3326 trivial. 0 not checked. [2023-11-24 22:13:32,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:32,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2088 states to 1421 states and 2088 transitions. [2023-11-24 22:13:32,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1421 states and 2088 transitions. [2023-11-24 22:13:32,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2023-11-24 22:13:32,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:32,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:32,963 INFO L134 CoverageAnalysis]: Checked inductivity of 3392 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3392 trivial. 0 not checked. [2023-11-24 22:13:33,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:33,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2097 states to 1425 states and 2097 transitions. [2023-11-24 22:13:33,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 2097 transitions. [2023-11-24 22:13:33,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2023-11-24 22:13:33,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:33,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:33,629 INFO L134 CoverageAnalysis]: Checked inductivity of 3391 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3391 trivial. 0 not checked. [2023-11-24 22:13:33,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:33,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2127 states to 1433 states and 2127 transitions. [2023-11-24 22:13:33,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 2127 transitions. [2023-11-24 22:13:33,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2023-11-24 22:13:33,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:33,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:34,421 INFO L134 CoverageAnalysis]: Checked inductivity of 3391 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3391 trivial. 0 not checked. [2023-11-24 22:13:34,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:34,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 1445 states and 2161 transitions. [2023-11-24 22:13:34,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 2161 transitions. [2023-11-24 22:13:34,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2023-11-24 22:13:34,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:34,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:35,288 INFO L134 CoverageAnalysis]: Checked inductivity of 3392 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3392 trivial. 0 not checked. [2023-11-24 22:13:35,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:35,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 1449 states and 2170 transitions. [2023-11-24 22:13:35,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 2170 transitions. [2023-11-24 22:13:35,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2023-11-24 22:13:35,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:35,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:36,220 INFO L134 CoverageAnalysis]: Checked inductivity of 3401 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3398 trivial. 0 not checked. [2023-11-24 22:13:36,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:36,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2198 states to 1455 states and 2198 transitions. [2023-11-24 22:13:36,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1455 states and 2198 transitions. [2023-11-24 22:13:36,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2023-11-24 22:13:36,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:36,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:37,060 INFO L134 CoverageAnalysis]: Checked inductivity of 3389 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3386 trivial. 0 not checked. [2023-11-24 22:13:37,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:37,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2201 states to 1459 states and 2201 transitions. [2023-11-24 22:13:37,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1459 states and 2201 transitions. [2023-11-24 22:13:37,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2023-11-24 22:13:37,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:37,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:37,672 INFO L134 CoverageAnalysis]: Checked inductivity of 3393 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3393 trivial. 0 not checked. [2023-11-24 22:13:37,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:37,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 1463 states and 2214 transitions. [2023-11-24 22:13:37,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 2214 transitions. [2023-11-24 22:13:37,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2023-11-24 22:13:37,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:37,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:38,248 INFO L134 CoverageAnalysis]: Checked inductivity of 3393 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3393 trivial. 0 not checked. [2023-11-24 22:13:38,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:38,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2252 states to 1476 states and 2252 transitions. [2023-11-24 22:13:38,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 2252 transitions. [2023-11-24 22:13:38,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2023-11-24 22:13:38,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:38,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:38,989 INFO L134 CoverageAnalysis]: Checked inductivity of 3393 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3393 trivial. 0 not checked. [2023-11-24 22:13:39,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:39,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2287 states to 1488 states and 2287 transitions. [2023-11-24 22:13:39,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 2287 transitions. [2023-11-24 22:13:39,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2023-11-24 22:13:39,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:39,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:39,895 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3398 trivial. 0 not checked. [2023-11-24 22:13:40,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:40,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2313 states to 1494 states and 2313 transitions. [2023-11-24 22:13:40,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 2313 transitions. [2023-11-24 22:13:40,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2023-11-24 22:13:40,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:40,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:41,019 INFO L134 CoverageAnalysis]: Checked inductivity of 3393 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3393 trivial. 0 not checked. [2023-11-24 22:13:41,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:41,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2322 states to 1498 states and 2322 transitions. [2023-11-24 22:13:41,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 2322 transitions. [2023-11-24 22:13:41,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2023-11-24 22:13:41,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:41,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:41,764 INFO L134 CoverageAnalysis]: Checked inductivity of 3404 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3398 trivial. 0 not checked. [2023-11-24 22:13:42,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:42,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2351 states to 1505 states and 2351 transitions. [2023-11-24 22:13:42,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 2351 transitions. [2023-11-24 22:13:42,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2023-11-24 22:13:42,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:42,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:43,140 INFO L134 CoverageAnalysis]: Checked inductivity of 3394 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3394 trivial. 0 not checked. [2023-11-24 22:13:43,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:43,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 1509 states and 2360 transitions. [2023-11-24 22:13:43,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 2360 transitions. [2023-11-24 22:13:43,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2023-11-24 22:13:43,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:43,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:43,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:43,647 INFO L134 CoverageAnalysis]: Checked inductivity of 3395 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3395 trivial. 0 not checked. [2023-11-24 22:13:43,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:43,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2369 states to 1513 states and 2369 transitions. [2023-11-24 22:13:43,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 2369 transitions. [2023-11-24 22:13:43,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2023-11-24 22:13:43,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:43,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:44,345 INFO L134 CoverageAnalysis]: Checked inductivity of 3397 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3386 trivial. 0 not checked. [2023-11-24 22:13:45,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:45,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2415 states to 1525 states and 2415 transitions. [2023-11-24 22:13:45,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 2415 transitions. [2023-11-24 22:13:45,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2023-11-24 22:13:45,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:45,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:46,124 INFO L134 CoverageAnalysis]: Checked inductivity of 3405 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3398 trivial. 0 not checked. [2023-11-24 22:13:47,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:47,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2448 states to 1533 states and 2448 transitions. [2023-11-24 22:13:47,397 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 2448 transitions. [2023-11-24 22:13:47,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2023-11-24 22:13:47,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:47,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:47,770 INFO L134 CoverageAnalysis]: Checked inductivity of 3382 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3382 trivial. 0 not checked. [2023-11-24 22:13:47,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:47,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 1537 states and 2457 transitions. [2023-11-24 22:13:47,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 2457 transitions. [2023-11-24 22:13:47,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2023-11-24 22:13:47,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:47,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:48,369 INFO L134 CoverageAnalysis]: Checked inductivity of 3383 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3383 trivial. 0 not checked. [2023-11-24 22:13:48,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:48,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2466 states to 1541 states and 2466 transitions. [2023-11-24 22:13:48,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 2466 transitions. [2023-11-24 22:13:48,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2023-11-24 22:13:48,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:48,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:48,897 INFO L134 CoverageAnalysis]: Checked inductivity of 3384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3384 trivial. 0 not checked. [2023-11-24 22:13:49,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:49,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 1545 states and 2475 transitions. [2023-11-24 22:13:49,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2475 transitions. [2023-11-24 22:13:49,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2023-11-24 22:13:49,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:49,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:49,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3396 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3396 trivial. 0 not checked. [2023-11-24 22:13:49,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:49,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2484 states to 1549 states and 2484 transitions. [2023-11-24 22:13:49,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 2484 transitions. [2023-11-24 22:13:49,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2023-11-24 22:13:49,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:49,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:50,168 INFO L134 CoverageAnalysis]: Checked inductivity of 3406 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3398 trivial. 0 not checked. [2023-11-24 22:13:51,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:51,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2522 states to 1558 states and 2522 transitions. [2023-11-24 22:13:51,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2522 transitions. [2023-11-24 22:13:51,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2023-11-24 22:13:51,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:51,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:52,244 INFO L134 CoverageAnalysis]: Checked inductivity of 3407 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3398 trivial. 0 not checked.