./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 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d26176-8a3e-4ccc-b813-30a9c3e0e9e6/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d26176-8a3e-4ccc-b813-30a9c3e0e9e6/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d26176-8a3e-4ccc-b813-30a9c3e0e9e6/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d26176-8a3e-4ccc-b813-30a9c3e0e9e6/bin/ukojak-verify-i0I2FZA1j2/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_c4d26176-8a3e-4ccc-b813-30a9c3e0e9e6/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d26176-8a3e-4ccc-b813-30a9c3e0e9e6/bin/ukojak-verify-i0I2FZA1j2 --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 0.2.3-dev-527bcce [2023-11-21 18:48:32,197 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:48:32,269 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d26176-8a3e-4ccc-b813-30a9c3e0e9e6/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-21 18:48:32,274 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:48:32,275 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:48:32,298 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:48:32,299 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:48:32,300 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:48:32,301 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:48:32,301 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:48:32,302 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:48:32,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:48:32,303 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:48:32,304 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:48:32,304 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:48:32,305 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:48:32,306 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:48:32,306 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:48:32,307 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:48:32,308 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:48:32,308 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:48:32,309 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:48:32,310 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:48:32,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:32,311 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:48:32,311 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:48:32,312 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:48:32,312 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:48:32,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:48:32,313 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:48:32,314 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_c4d26176-8a3e-4ccc-b813-30a9c3e0e9e6/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d26176-8a3e-4ccc-b813-30a9c3e0e9e6/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2d7f6c194f04de54ba5a893678a720456a663ad567a49e51faf84a68b16d812 [2023-11-21 18:48:32,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:48:32,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:48:32,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:48:32,643 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:48:32,644 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:48:32,645 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d26176-8a3e-4ccc-b813-30a9c3e0e9e6/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2023-11-21 18:48:35,871 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:48:36,638 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:48:36,639 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d26176-8a3e-4ccc-b813-30a9c3e0e9e6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2023-11-21 18:48:36,723 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d26176-8a3e-4ccc-b813-30a9c3e0e9e6/bin/ukojak-verify-i0I2FZA1j2/data/649c66569/81bbf4a04ab545ca9b14667345d0bf3a/FLAG80c477558 [2023-11-21 18:48:36,748 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d26176-8a3e-4ccc-b813-30a9c3e0e9e6/bin/ukojak-verify-i0I2FZA1j2/data/649c66569/81bbf4a04ab545ca9b14667345d0bf3a [2023-11-21 18:48:36,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:48:36,758 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:48:36,760 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:36,761 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:48:36,766 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:48:36,769 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:36" (1/1) ... [2023-11-21 18:48:36,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eed5faa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:36, skipping insertion in model container [2023-11-21 18:48:36,771 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:36" (1/1) ... [2023-11-21 18:48:37,018 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:48:41,205 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_c4d26176-8a3e-4ccc-b813-30a9c3e0e9e6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415292,415305] [2023-11-21 18:48:41,219 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_c4d26176-8a3e-4ccc-b813-30a9c3e0e9e6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415437,415450] [2023-11-21 18:48:41,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:41,349 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:48:41,501 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] [2023-11-21 18:48:41,503 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] [2023-11-21 18:48:41,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6123] [2023-11-21 18:48:41,508 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] [2023-11-21 18:48:41,508 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] [2023-11-21 18:48:41,509 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] [2023-11-21 18:48:41,510 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] [2023-11-21 18:48:41,511 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] [2023-11-21 18:48:41,512 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] [2023-11-21 18:48:41,513 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] [2023-11-21 18:48:41,518 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] [2023-11-21 18:48:41,534 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 *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [6919-6920] [2023-11-21 18:48:41,535 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6926] [2023-11-21 18:48:41,577 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] [2023-11-21 18:48:41,578 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] [2023-11-21 18:48:41,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7656] [2023-11-21 18:48:41,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7661] [2023-11-21 18:48:41,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7663] [2023-11-21 18:48:41,585 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] [2023-11-21 18:48:41,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7745] [2023-11-21 18:48:41,591 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] [2023-11-21 18:48:41,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7787] [2023-11-21 18:48:41,598 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (451), "i" (12UL)); [7868-7869] [2023-11-21 18:48:41,601 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (473), "i" (12UL)); [7909-7910] [2023-11-21 18:48:41,601 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (482), "i" (12UL)); [7924-7925] [2023-11-21 18:48:41,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (496), "i" (12UL)); [7950-7951] [2023-11-21 18:48:41,605 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] [2023-11-21 18:48:41,609 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] [2023-11-21 18:48:41,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (599), "i" (12UL)); [8207-8208] [2023-11-21 18:48:41,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8259] [2023-11-21 18:48:41,618 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8261] [2023-11-21 18:48:41,691 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] [2023-11-21 18:48:41,698 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] [2023-11-21 18:48:41,704 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] [2023-11-21 18:48:41,705 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] [2023-11-21 18:48:41,708 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] [2023-11-21 18:48:41,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8840] [2023-11-21 18:48:41,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8955] [2023-11-21 18:48:41,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (np->stats)); [9027] [2023-11-21 18:48:41,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (np->stats)); [9397] [2023-11-21 18:48:41,903 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_c4d26176-8a3e-4ccc-b813-30a9c3e0e9e6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415292,415305] [2023-11-21 18:48:41,904 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_c4d26176-8a3e-4ccc-b813-30a9c3e0e9e6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415437,415450] [2023-11-21 18:48:41,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:42,249 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:48:42,257 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:48:42,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:42 WrapperNode [2023-11-21 18:48:42,259 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:42,260 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:42,260 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:48:42,260 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:48:42,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:42" (1/1) ... [2023-11-21 18:48:42,389 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:42" (1/1) ... [2023-11-21 18:48:42,657 INFO L138 Inliner]: procedures = 562, calls = 2419, calls flagged for inlining = 267, calls inlined = 188, statements flattened = 4629 [2023-11-21 18:48:42,658 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:42,660 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:48:42,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:48:42,661 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:48:42,671 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:42" (1/1) ... [2023-11-21 18:48:42,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:42" (1/1) ... [2023-11-21 18:48:42,698 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:42" (1/1) ... [2023-11-21 18:48:42,698 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:42" (1/1) ... [2023-11-21 18:48:42,833 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:42" (1/1) ... [2023-11-21 18:48:42,865 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:42" (1/1) ... [2023-11-21 18:48:42,966 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:42" (1/1) ... [2023-11-21 18:48:42,996 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:42" (1/1) ... [2023-11-21 18:48:43,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:48:43,040 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:48:43,041 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:48:43,041 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:48:43,042 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:42" (1/1) ... [2023-11-21 18:48:43,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:43,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d26176-8a3e-4ccc-b813-30a9c3e0e9e6/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:48:43,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d26176-8a3e-4ccc-b813-30a9c3e0e9e6/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:48:43,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d26176-8a3e-4ccc-b813-30a9c3e0e9e6/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:48:43,129 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2023-11-21 18:48:43,129 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2023-11-21 18:48:43,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 18:48:43,130 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 18:48:43,130 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-11-21 18:48:43,130 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-11-21 18:48:43,131 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-21 18:48:43,131 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-21 18:48:43,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 18:48:43,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 18:48:43,131 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_scanf [2023-11-21 18:48:43,131 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_scanf [2023-11-21 18:48:43,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_lock_of_netfront_info [2023-11-21 18:48:43,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_lock_of_netfront_info [2023-11-21 18:48:43,132 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2023-11-21 18:48:43,132 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2023-11-21 18:48:43,132 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-21 18:48:43,132 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-21 18:48:43,132 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_interrupt [2023-11-21 18:48:43,132 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_interrupt [2023-11-21 18:48:43,132 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-21 18:48:43,132 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-21 18:48:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2023-11-21 18:48:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2023-11-21 18:48:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2023-11-21 18:48:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2023-11-21 18:48:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2023-11-21 18:48:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2023-11-21 18:48:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2023-11-21 18:48:43,134 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2023-11-21 18:48:43,134 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2023-11-21 18:48:43,135 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2023-11-21 18:48:43,135 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-21 18:48:43,136 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-21 18:48:43,136 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2023-11-21 18:48:43,136 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2023-11-21 18:48:43,136 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-21 18:48:43,136 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2023-11-21 18:48:43,136 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2023-11-21 18:48:43,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-21 18:48:43,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-21 18:48:43,137 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-21 18:48:43,137 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-21 18:48:43,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-21 18:48:43,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-21 18:48:43,138 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2023-11-21 18:48:43,138 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2023-11-21 18:48:43,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:48:43,138 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-21 18:48:43,138 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-21 18:48:43,138 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2023-11-21 18:48:43,138 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2023-11-21 18:48:43,139 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2023-11-21 18:48:43,139 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2023-11-21 18:48:43,139 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-21 18:48:43,139 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-21 18:48:43,139 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2023-11-21 18:48:43,140 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2023-11-21 18:48:43,140 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2023-11-21 18:48:43,140 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2023-11-21 18:48:43,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-21 18:48:43,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-21 18:48:43,140 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-21 18:48:43,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-21 18:48:43,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:48:43,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-21 18:48:43,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-21 18:48:43,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:48:43,141 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-21 18:48:43,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-21 18:48:43,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-21 18:48:43,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-21 18:48:43,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_124 [2023-11-21 18:48:43,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_124 [2023-11-21 18:48:43,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-21 18:48:43,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-21 18:48:43,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-21 18:48:43,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-21 18:48:43,142 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2023-11-21 18:48:43,143 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2023-11-21 18:48:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2023-11-21 18:48:43,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2023-11-21 18:48:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-21 18:48:43,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-21 18:48:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2023-11-21 18:48:43,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2023-11-21 18:48:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:48:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-21 18:48:43,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-21 18:48:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:48:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-21 18:48:43,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-21 18:48:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:48:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-21 18:48:43,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-21 18:48:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-21 18:48:43,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-21 18:48:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2023-11-21 18:48:43,146 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2023-11-21 18:48:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-21 18:48:43,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-21 18:48:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-21 18:48:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-21 18:48:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-21 18:48:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-21 18:48:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-21 18:48:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-21 18:48:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_dev_fatal [2023-11-21 18:48:43,150 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_dev_fatal [2023-11-21 18:48:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2023-11-21 18:48:43,150 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2023-11-21 18:48:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:48:43,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:48:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_netif_exit_20_2 [2023-11-21 18:48:43,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_netif_exit_20_2 [2023-11-21 18:48:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-21 18:48:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-21 18:48:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 18:48:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 18:48:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2023-11-21 18:48:43,155 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2023-11-21 18:48:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2023-11-21 18:48:43,156 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2023-11-21 18:48:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2023-11-21 18:48:43,156 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2023-11-21 18:48:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-21 18:48:43,158 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-21 18:48:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-21 18:48:43,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-21 18:48:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2023-11-21 18:48:43,163 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2023-11-21 18:48:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:48:43,164 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:48:43,164 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-21 18:48:43,164 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-21 18:48:43,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-21 18:48:43,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-21 18:48:43,164 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2023-11-21 18:48:43,164 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2023-11-21 18:48:43,164 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-21 18:48:43,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-21 18:48:43,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:48:43,165 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_printf [2023-11-21 18:48:43,165 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_printf [2023-11-21 18:48:43,165 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2023-11-21 18:48:43,165 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2023-11-21 18:48:43,165 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2023-11-21 18:48:43,165 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2023-11-21 18:48:43,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_netfront_info [2023-11-21 18:48:43,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_netfront_info [2023-11-21 18:48:43,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:48:43,166 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2023-11-21 18:48:43,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2023-11-21 18:48:43,166 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_min [2023-11-21 18:48:43,166 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_min [2023-11-21 18:48:43,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2023-11-21 18:48:43,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2023-11-21 18:48:43,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:48:43,166 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 18:48:43,166 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 18:48:43,167 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-21 18:48:43,167 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-21 18:48:43,167 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2023-11-21 18:48:43,167 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2023-11-21 18:48:43,167 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2023-11-21 18:48:43,167 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2023-11-21 18:48:43,167 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-21 18:48:43,167 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-21 18:48:43,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-21 18:48:43,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-21 18:48:43,168 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2023-11-21 18:48:43,168 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2023-11-21 18:48:43,168 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2023-11-21 18:48:43,168 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2023-11-21 18:48:43,168 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-21 18:48:43,168 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-21 18:48:43,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_104 [2023-11-21 18:48:43,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_104 [2023-11-21 18:48:43,168 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2023-11-21 18:48:43,169 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2023-11-21 18:48:43,169 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2023-11-21 18:48:43,169 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2023-11-21 18:48:43,169 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2023-11-21 18:48:43,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2023-11-21 18:48:43,169 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-21 18:48:43,169 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-21 18:48:43,169 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-21 18:48:43,169 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-21 18:48:43,169 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2023-11-21 18:48:43,170 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2023-11-21 18:48:43,170 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2023-11-21 18:48:43,170 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2023-11-21 18:48:43,170 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-21 18:48:43,170 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-21 18:48:43,170 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 18:48:43,170 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 18:48:43,170 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2023-11-21 18:48:43,170 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2023-11-21 18:48:43,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:48:43,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 18:48:43,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 18:48:43,173 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-21 18:48:43,173 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-21 18:48:43,173 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rx_interrupt [2023-11-21 18:48:43,173 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rx_interrupt [2023-11-21 18:48:43,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2023-11-21 18:48:43,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2023-11-21 18:48:43,173 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-21 18:48:43,173 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-21 18:48:43,173 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2023-11-21 18:48:43,174 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2023-11-21 18:48:43,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_105 [2023-11-21 18:48:43,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_105 [2023-11-21 18:48:43,174 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_max [2023-11-21 18:48:43,174 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_max [2023-11-21 18:48:43,174 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-21 18:48:43,174 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-21 18:48:43,174 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-11-21 18:48:43,174 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-11-21 18:48:43,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-21 18:48:43,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-21 18:48:43,175 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_interrupt [2023-11-21 18:48:43,175 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_interrupt [2023-11-21 18:48:43,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_123 [2023-11-21 18:48:43,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_123 [2023-11-21 18:48:43,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:48:43,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-21 18:48:43,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-21 18:48:43,175 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-21 18:48:43,175 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-21 18:48:43,176 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-11-21 18:48:43,176 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-11-21 18:48:43,176 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2023-11-21 18:48:43,176 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2023-11-21 18:48:43,176 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2023-11-21 18:48:43,176 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2023-11-21 18:48:43,965 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:48:43,972 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:48:44,180 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 18:48:49,906 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-21 18:48:50,141 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:48:51,453 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:48:51,453 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:48:51,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:48:51 BoogieIcfgContainer [2023-11-21 18:48:51,455 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:48:51,456 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:48:51,456 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:48:51,467 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:48:51,467 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:48:51" (1/1) ... [2023-11-21 18:48:51,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:48:51,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:51,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1314 states and 1859 transitions. [2023-11-21 18:48:51,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1859 transitions. [2023-11-21 18:48:51,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2023-11-21 18:48:51,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:51,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:52,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:53,085 INFO L134 CoverageAnalysis]: Checked inductivity of 3317 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3317 trivial. 0 not checked. [2023-11-21 18:48:53,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:53,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1898 states to 1331 states and 1898 transitions. [2023-11-21 18:48:53,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1898 transitions. [2023-11-21 18:48:53,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2023-11-21 18:48:53,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:53,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:54,315 INFO L134 CoverageAnalysis]: Checked inductivity of 3326 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3326 trivial. 0 not checked. [2023-11-21 18:48:54,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:54,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1349 states and 1941 transitions. [2023-11-21 18:48:54,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 1941 transitions. [2023-11-21 18:48:54,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2023-11-21 18:48:54,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:54,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:55,197 INFO L134 CoverageAnalysis]: Checked inductivity of 3326 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3326 trivial. 0 not checked. [2023-11-21 18:48:55,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:55,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1987 states to 1368 states and 1987 transitions. [2023-11-21 18:48:55,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 1987 transitions. [2023-11-21 18:48:55,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2023-11-21 18:48:55,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:55,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:56,443 INFO L134 CoverageAnalysis]: Checked inductivity of 3443 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3439 trivial. 0 not checked. [2023-11-21 18:48:56,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:56,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2011 states to 1373 states and 2011 transitions. [2023-11-21 18:48:56,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1373 states and 2011 transitions. [2023-11-21 18:48:56,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2023-11-21 18:48:56,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:56,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:57,188 INFO L134 CoverageAnalysis]: Checked inductivity of 3382 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3382 trivial. 0 not checked. [2023-11-21 18:48:57,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:57,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2020 states to 1377 states and 2020 transitions. [2023-11-21 18:48:57,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 2020 transitions. [2023-11-21 18:48:57,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2023-11-21 18:48:57,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:57,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:57,781 INFO L134 CoverageAnalysis]: Checked inductivity of 3391 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3391 trivial. 0 not checked. [2023-11-21 18:48:57,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:57,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2029 states to 1381 states and 2029 transitions. [2023-11-21 18:48:57,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 2029 transitions. [2023-11-21 18:48:57,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2023-11-21 18:48:57,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:57,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:58,408 INFO L134 CoverageAnalysis]: Checked inductivity of 3392 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3392 trivial. 0 not checked. [2023-11-21 18:48:58,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:58,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 1397 states and 2074 transitions. [2023-11-21 18:48:58,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 2074 transitions. [2023-11-21 18:48:58,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2023-11-21 18:48:58,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:58,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:59,116 INFO L134 CoverageAnalysis]: Checked inductivity of 3383 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3383 trivial. 0 not checked. [2023-11-21 18:48:59,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:59,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2083 states to 1401 states and 2083 transitions. [2023-11-21 18:48:59,193 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 2083 transitions. [2023-11-21 18:48:59,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2023-11-21 18:48:59,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:59,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:59,735 INFO L134 CoverageAnalysis]: Checked inductivity of 3380 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3377 trivial. 0 not checked. [2023-11-21 18:48:59,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:59,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2112 states to 1411 states and 2112 transitions. [2023-11-21 18:48:59,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 2112 transitions. [2023-11-21 18:48:59,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2023-11-21 18:48:59,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:59,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:00,695 INFO L134 CoverageAnalysis]: Checked inductivity of 3391 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3386 trivial. 0 not checked. [2023-11-21 18:49:01,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:01,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2138 states to 1417 states and 2138 transitions. [2023-11-21 18:49:01,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 2138 transitions. [2023-11-21 18:49:01,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2023-11-21 18:49:01,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:01,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:01,733 INFO L134 CoverageAnalysis]: Checked inductivity of 3384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3384 trivial. 0 not checked. [2023-11-21 18:49:01,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:01,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2147 states to 1421 states and 2147 transitions. [2023-11-21 18:49:01,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1421 states and 2147 transitions. [2023-11-21 18:49:01,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2023-11-21 18:49:01,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:01,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:02,267 INFO L134 CoverageAnalysis]: Checked inductivity of 3385 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3385 trivial. 0 not checked. [2023-11-21 18:49:02,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:02,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2156 states to 1425 states and 2156 transitions. [2023-11-21 18:49:02,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 2156 transitions. [2023-11-21 18:49:02,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2023-11-21 18:49:02,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:02,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:02,839 INFO L134 CoverageAnalysis]: Checked inductivity of 3393 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3393 trivial. 0 not checked. [2023-11-21 18:49:02,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:02,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 1429 states and 2165 transitions. [2023-11-21 18:49:02,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 2165 transitions. [2023-11-21 18:49:02,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2023-11-21 18:49:02,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:02,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:03,533 INFO L134 CoverageAnalysis]: Checked inductivity of 3394 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3394 trivial. 0 not checked. [2023-11-21 18:49:03,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:03,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 1433 states and 2174 transitions. [2023-11-21 18:49:03,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 2174 transitions. [2023-11-21 18:49:03,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2023-11-21 18:49:03,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:03,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:04,329 INFO L134 CoverageAnalysis]: Checked inductivity of 3404 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3398 trivial. 0 not checked. [2023-11-21 18:49:05,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:05,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2203 states to 1440 states and 2203 transitions. [2023-11-21 18:49:05,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 2203 transitions. [2023-11-21 18:49:05,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2023-11-21 18:49:05,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:05,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:05,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:05,941 INFO L134 CoverageAnalysis]: Checked inductivity of 3397 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3386 trivial. 0 not checked. [2023-11-21 18:49:06,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:06,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2246 states to 1452 states and 2246 transitions. [2023-11-21 18:49:06,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 2246 transitions. [2023-11-21 18:49:06,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2023-11-21 18:49:06,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:06,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:07,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3395 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3395 trivial. 0 not checked. [2023-11-21 18:49:07,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:07,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2255 states to 1456 states and 2255 transitions. [2023-11-21 18:49:07,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 2255 transitions. [2023-11-21 18:49:07,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2023-11-21 18:49:07,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:07,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:08,371 INFO L134 CoverageAnalysis]: Checked inductivity of 3405 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3398 trivial. 0 not checked. [2023-11-21 18:49:09,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:09,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2288 states to 1464 states and 2288 transitions. [2023-11-21 18:49:09,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 2288 transitions. [2023-11-21 18:49:09,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2023-11-21 18:49:09,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:09,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:10,141 INFO L134 CoverageAnalysis]: Checked inductivity of 3406 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3398 trivial. 0 not checked. [2023-11-21 18:49:11,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:11,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2324 states to 1473 states and 2324 transitions. [2023-11-21 18:49:11,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 2324 transitions. [2023-11-21 18:49:11,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2023-11-21 18:49:11,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:11,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:12,039 INFO L134 CoverageAnalysis]: Checked inductivity of 3396 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3396 trivial. 0 not checked. [2023-11-21 18:49:12,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:12,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2333 states to 1477 states and 2333 transitions. [2023-11-21 18:49:12,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 2333 transitions. [2023-11-21 18:49:12,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2023-11-21 18:49:12,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:12,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:12,545 INFO L134 CoverageAnalysis]: Checked inductivity of 3390 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3390 trivial. 0 not checked. [2023-11-21 18:49:12,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:12,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2364 states to 1488 states and 2364 transitions. [2023-11-21 18:49:12,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 2364 transitions. [2023-11-21 18:49:12,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2023-11-21 18:49:12,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:12,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:13,286 INFO L134 CoverageAnalysis]: Checked inductivity of 3392 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3388 trivial. 0 not checked. [2023-11-21 18:49:13,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:13,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 1492 states and 2368 transitions. [2023-11-21 18:49:13,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 2368 transitions. [2023-11-21 18:49:13,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2023-11-21 18:49:13,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:13,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:14,001 INFO L134 CoverageAnalysis]: Checked inductivity of 3407 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3398 trivial. 0 not checked. [2023-11-21 18:49:15,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:15,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2408 states to 1502 states and 2408 transitions. [2023-11-21 18:49:15,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 2408 transitions. [2023-11-21 18:49:15,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2023-11-21 18:49:15,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:15,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:16,291 INFO L134 CoverageAnalysis]: Checked inductivity of 3390 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3386 trivial. 0 not checked. [2023-11-21 18:49:16,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:16,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2412 states to 1507 states and 2412 transitions. [2023-11-21 18:49:16,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 2412 transitions. [2023-11-21 18:49:16,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2023-11-21 18:49:16,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:16,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat