./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 30e01a73 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_6266530b-2947-40ef-8121-722ae152f09d/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6266530b-2947-40ef-8121-722ae152f09d/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6266530b-2947-40ef-8121-722ae152f09d/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6266530b-2947-40ef-8121-722ae152f09d/bin/ukojak-verify-1t5iHCbJaC/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_6266530b-2947-40ef-8121-722ae152f09d/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6266530b-2947-40ef-8121-722ae152f09d/bin/ukojak-verify-1t5iHCbJaC --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-30e01a7 [2023-11-23 20:22:51,781 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:22:51,894 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6266530b-2947-40ef-8121-722ae152f09d/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-23 20:22:51,905 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:22:51,906 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:22:51,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:22:51,944 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:22:51,945 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:22:51,946 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:22:51,951 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:22:51,952 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:22:51,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:22:51,953 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:22:51,954 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:22:51,955 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:22:51,955 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:22:51,956 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:22:51,956 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:22:51,956 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:22:51,957 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:22:51,958 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:22:51,958 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:22:51,959 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:22:51,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:51,960 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:22:51,960 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:22:51,961 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:22:51,961 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:22:51,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:22:51,962 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:22:51,962 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_6266530b-2947-40ef-8121-722ae152f09d/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6266530b-2947-40ef-8121-722ae152f09d/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2d7f6c194f04de54ba5a893678a720456a663ad567a49e51faf84a68b16d812 [2023-11-23 20:22:52,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:22:52,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:22:52,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:22:52,237 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:22:52,238 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:22:52,239 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6266530b-2947-40ef-8121-722ae152f09d/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2023-11-23 20:22:55,483 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:22:56,217 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:22:56,217 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6266530b-2947-40ef-8121-722ae152f09d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2023-11-23 20:22:56,278 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6266530b-2947-40ef-8121-722ae152f09d/bin/ukojak-verify-1t5iHCbJaC/data/e92a1d9b9/f7cce9b25d21451a9809395b9213eb25/FLAGbbb4af5d4 [2023-11-23 20:22:56,614 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6266530b-2947-40ef-8121-722ae152f09d/bin/ukojak-verify-1t5iHCbJaC/data/e92a1d9b9/f7cce9b25d21451a9809395b9213eb25 [2023-11-23 20:22:56,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:22:56,618 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:22:56,620 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:56,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:22:56,625 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:22:56,626 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:56" (1/1) ... [2023-11-23 20:22:56,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ea1dae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:56, skipping insertion in model container [2023-11-23 20:22:56,628 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:56" (1/1) ... [2023-11-23 20:22:56,819 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:23:01,107 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_6266530b-2947-40ef-8121-722ae152f09d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415292,415305] [2023-11-23 20:23:01,111 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_6266530b-2947-40ef-8121-722ae152f09d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415437,415450] [2023-11-23 20:23:01,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:23:01,244 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:23:01,386 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] [2023-11-23 20:23:01,392 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] [2023-11-23 20:23:01,392 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6123] [2023-11-23 20:23:01,396 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] [2023-11-23 20:23:01,396 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] [2023-11-23 20:23:01,397 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] [2023-11-23 20:23:01,398 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] [2023-11-23 20:23:01,398 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] [2023-11-23 20:23:01,399 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] [2023-11-23 20:23:01,400 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] [2023-11-23 20:23:01,404 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] [2023-11-23 20:23:01,421 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] [2023-11-23 20:23:01,421 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6926] [2023-11-23 20:23:01,449 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/xen-netfront.c"), "i" (317), "i" (12UL)); [7618-7619] [2023-11-23 20:23:01,450 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] [2023-11-23 20:23:01,453 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7656] [2023-11-23 20:23:01,454 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7661] [2023-11-23 20:23:01,454 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7663] [2023-11-23 20:23:01,456 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] [2023-11-23 20:23:01,457 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7745] [2023-11-23 20:23:01,458 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] [2023-11-23 20:23:01,460 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7787] [2023-11-23 20:23:01,463 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] [2023-11-23 20:23:01,465 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] [2023-11-23 20:23:01,466 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] [2023-11-23 20:23:01,467 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] [2023-11-23 20:23:01,469 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] [2023-11-23 20:23:01,472 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] [2023-11-23 20:23:01,475 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] [2023-11-23 20:23:01,478 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8259] [2023-11-23 20:23:01,479 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8261] [2023-11-23 20:23:01,481 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] [2023-11-23 20:23:01,487 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] [2023-11-23 20:23:01,492 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] [2023-11-23 20:23:01,493 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] [2023-11-23 20:23:01,495 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] [2023-11-23 20:23:01,498 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8840] [2023-11-23 20:23:01,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8955] [2023-11-23 20:23:01,505 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (np->stats)); [9027] [2023-11-23 20:23:01,518 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (np->stats)); [9397] [2023-11-23 20:23:01,724 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_6266530b-2947-40ef-8121-722ae152f09d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415292,415305] [2023-11-23 20:23:01,725 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_6266530b-2947-40ef-8121-722ae152f09d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415437,415450] [2023-11-23 20:23:01,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:23:02,090 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:23:02,099 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:23:02,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:02 WrapperNode [2023-11-23 20:23:02,100 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:23:02,101 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:23:02,102 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:23:02,102 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:23:02,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:02" (1/1) ... [2023-11-23 20:23:02,258 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:02" (1/1) ... [2023-11-23 20:23:02,477 INFO L138 Inliner]: procedures = 562, calls = 2419, calls flagged for inlining = 267, calls inlined = 188, statements flattened = 4629 [2023-11-23 20:23:02,478 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:23:02,479 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:23:02,479 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:23:02,479 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:23:02,490 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:02" (1/1) ... [2023-11-23 20:23:02,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:02" (1/1) ... [2023-11-23 20:23:02,565 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:02" (1/1) ... [2023-11-23 20:23:02,570 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:02" (1/1) ... [2023-11-23 20:23:02,699 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:02" (1/1) ... [2023-11-23 20:23:02,721 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:02" (1/1) ... [2023-11-23 20:23:02,765 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:02" (1/1) ... [2023-11-23 20:23:02,790 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:02" (1/1) ... [2023-11-23 20:23:02,833 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:23:02,834 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:23:02,834 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:23:02,834 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:23:02,835 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:02" (1/1) ... [2023-11-23 20:23:02,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:23:02,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6266530b-2947-40ef-8121-722ae152f09d/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:23:02,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6266530b-2947-40ef-8121-722ae152f09d/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:23:02,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6266530b-2947-40ef-8121-722ae152f09d/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:23:02,917 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2023-11-23 20:23:02,917 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2023-11-23 20:23:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 20:23:02,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 20:23:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-11-23 20:23:02,918 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-11-23 20:23:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-23 20:23:02,918 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-23 20:23:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 20:23:02,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 20:23:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_scanf [2023-11-23 20:23:02,919 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_scanf [2023-11-23 20:23:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_lock_of_netfront_info [2023-11-23 20:23:02,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_lock_of_netfront_info [2023-11-23 20:23:02,920 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2023-11-23 20:23:02,920 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2023-11-23 20:23:02,920 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-23 20:23:02,920 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-23 20:23:02,921 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_interrupt [2023-11-23 20:23:02,921 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_interrupt [2023-11-23 20:23:02,921 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-23 20:23:02,921 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-23 20:23:02,921 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2023-11-23 20:23:02,921 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2023-11-23 20:23:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2023-11-23 20:23:02,922 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2023-11-23 20:23:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2023-11-23 20:23:02,923 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2023-11-23 20:23:02,923 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2023-11-23 20:23:02,923 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2023-11-23 20:23:02,924 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2023-11-23 20:23:02,924 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2023-11-23 20:23:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 20:23:02,925 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 20:23:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2023-11-23 20:23:02,926 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2023-11-23 20:23:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 20:23:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2023-11-23 20:23:02,926 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2023-11-23 20:23:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 20:23:02,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 20:23:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-23 20:23:02,927 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-23 20:23:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 20:23:02,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 20:23:02,928 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2023-11-23 20:23:02,928 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2023-11-23 20:23:02,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:23:02,928 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-23 20:23:02,928 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-23 20:23:02,928 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2023-11-23 20:23:02,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2023-11-23 20:23:02,929 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2023-11-23 20:23:02,929 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2023-11-23 20:23:02,929 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 20:23:02,929 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 20:23:02,929 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2023-11-23 20:23:02,930 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2023-11-23 20:23:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2023-11-23 20:23:02,931 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2023-11-23 20:23:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-23 20:23:02,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-23 20:23:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 20:23:02,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 20:23:02,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:23:02,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 20:23:02,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 20:23:02,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:23:02,932 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 20:23:02,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 20:23:02,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-23 20:23:02,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-23 20:23:02,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_124 [2023-11-23 20:23:02,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_124 [2023-11-23 20:23:02,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 20:23:02,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 20:23:02,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-23 20:23:02,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-23 20:23:02,934 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2023-11-23 20:23:02,934 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2023-11-23 20:23:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2023-11-23 20:23:02,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2023-11-23 20:23:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-23 20:23:02,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-23 20:23:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2023-11-23 20:23:02,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2023-11-23 20:23:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:23:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 20:23:02,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 20:23:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:23:02,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 20:23:02,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 20:23:02,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:23:02,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-23 20:23:02,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-23 20:23:02,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-23 20:23:02,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-23 20:23:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2023-11-23 20:23:02,939 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2023-11-23 20:23:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-23 20:23:02,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-23 20:23:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 20:23:02,941 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 20:23:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-23 20:23:02,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-23 20:23:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 20:23:02,941 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 20:23:02,942 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_dev_fatal [2023-11-23 20:23:02,943 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_dev_fatal [2023-11-23 20:23:02,943 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2023-11-23 20:23:02,943 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2023-11-23 20:23:02,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:23:02,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:23:02,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_netif_exit_20_2 [2023-11-23 20:23:02,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_netif_exit_20_2 [2023-11-23 20:23:02,944 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 20:23:02,944 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 20:23:02,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 20:23:02,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 20:23:02,948 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2023-11-23 20:23:02,948 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2023-11-23 20:23:02,949 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2023-11-23 20:23:02,949 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2023-11-23 20:23:02,949 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2023-11-23 20:23:02,950 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2023-11-23 20:23:02,950 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-23 20:23:02,950 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-23 20:23:02,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-23 20:23:02,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-23 20:23:02,950 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2023-11-23 20:23:02,951 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2023-11-23 20:23:02,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:23:02,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:23:02,951 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 20:23:02,951 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 20:23:02,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-23 20:23:02,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-23 20:23:02,952 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2023-11-23 20:23:02,952 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2023-11-23 20:23:02,952 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-23 20:23:02,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-23 20:23:02,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:23:02,952 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_printf [2023-11-23 20:23:02,952 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_printf [2023-11-23 20:23:02,952 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2023-11-23 20:23:02,952 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2023-11-23 20:23:02,953 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2023-11-23 20:23:02,953 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2023-11-23 20:23:02,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_netfront_info [2023-11-23 20:23:02,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_netfront_info [2023-11-23 20:23:02,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:23:02,953 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2023-11-23 20:23:02,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2023-11-23 20:23:02,954 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_min [2023-11-23 20:23:02,954 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_min [2023-11-23 20:23:02,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2023-11-23 20:23:02,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2023-11-23 20:23:02,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:23:02,954 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 20:23:02,955 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 20:23:02,955 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-23 20:23:02,955 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-23 20:23:02,955 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2023-11-23 20:23:02,955 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2023-11-23 20:23:02,955 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2023-11-23 20:23:02,955 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2023-11-23 20:23:02,956 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 20:23:02,956 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 20:23:02,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 20:23:02,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 20:23:02,956 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2023-11-23 20:23:02,956 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2023-11-23 20:23:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2023-11-23 20:23:02,957 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2023-11-23 20:23:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-23 20:23:02,957 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-23 20:23:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_104 [2023-11-23 20:23:02,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_104 [2023-11-23 20:23:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2023-11-23 20:23:02,958 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2023-11-23 20:23:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2023-11-23 20:23:02,958 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2023-11-23 20:23:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2023-11-23 20:23:02,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2023-11-23 20:23:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-23 20:23:02,958 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-23 20:23:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 20:23:02,959 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 20:23:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2023-11-23 20:23:02,959 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2023-11-23 20:23:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2023-11-23 20:23:02,959 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2023-11-23 20:23:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 20:23:02,960 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 20:23:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 20:23:02,960 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 20:23:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2023-11-23 20:23:02,960 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2023-11-23 20:23:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:23:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 20:23:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 20:23:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-23 20:23:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-23 20:23:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rx_interrupt [2023-11-23 20:23:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rx_interrupt [2023-11-23 20:23:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2023-11-23 20:23:02,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2023-11-23 20:23:02,962 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-23 20:23:02,962 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-23 20:23:02,962 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2023-11-23 20:23:02,962 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2023-11-23 20:23:02,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_105 [2023-11-23 20:23:02,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_105 [2023-11-23 20:23:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_max [2023-11-23 20:23:02,963 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_max [2023-11-23 20:23:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-23 20:23:02,963 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-23 20:23:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-11-23 20:23:02,963 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-11-23 20:23:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 20:23:02,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 20:23:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_interrupt [2023-11-23 20:23:02,964 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_interrupt [2023-11-23 20:23:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_123 [2023-11-23 20:23:02,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_123 [2023-11-23 20:23:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:23:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 20:23:02,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 20:23:02,965 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-23 20:23:02,965 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-23 20:23:02,965 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-11-23 20:23:02,965 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-11-23 20:23:02,965 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2023-11-23 20:23:02,965 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2023-11-23 20:23:02,966 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2023-11-23 20:23:02,966 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2023-11-23 20:23:03,742 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:23:03,751 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:23:03,992 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 20:23:07,603 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 20:23:07,838 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:23:09,205 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:23:09,205 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:23:09,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:23:09 BoogieIcfgContainer [2023-11-23 20:23:09,208 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:23:09,209 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:23:09,209 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:23:09,221 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:23:09,221 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:23:09" (1/1) ... [2023-11-23 20:23:09,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:23:09,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:09,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1314 states and 1859 transitions. [2023-11-23 20:23:09,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1859 transitions. [2023-11-23 20:23:09,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2023-11-23 20:23:09,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:09,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:10,731 INFO L134 CoverageAnalysis]: Checked inductivity of 3317 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3317 trivial. 0 not checked. [2023-11-23 20:23:11,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:11,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1898 states to 1331 states and 1898 transitions. [2023-11-23 20:23:11,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1898 transitions. [2023-11-23 20:23:11,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2023-11-23 20:23:11,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:11,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:11,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:12,019 INFO L134 CoverageAnalysis]: Checked inductivity of 3443 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3439 trivial. 0 not checked. [2023-11-23 20:23:12,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:12,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1336 states and 1920 transitions. [2023-11-23 20:23:12,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1920 transitions. [2023-11-23 20:23:12,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2023-11-23 20:23:12,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:12,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:12,938 INFO L134 CoverageAnalysis]: Checked inductivity of 3326 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3326 trivial. 0 not checked. [2023-11-23 20:23:13,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:13,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1964 states to 1354 states and 1964 transitions. [2023-11-23 20:23:13,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1964 transitions. [2023-11-23 20:23:13,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2023-11-23 20:23:13,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:13,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:13,840 INFO L134 CoverageAnalysis]: Checked inductivity of 3391 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3391 trivial. 0 not checked. [2023-11-23 20:23:14,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:14,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2010 states to 1370 states and 2010 transitions. [2023-11-23 20:23:14,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1370 states and 2010 transitions. [2023-11-23 20:23:14,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2023-11-23 20:23:14,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:14,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:14,641 INFO L134 CoverageAnalysis]: Checked inductivity of 3391 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3391 trivial. 0 not checked. [2023-11-23 20:23:14,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:14,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2028 states to 1374 states and 2028 transitions. [2023-11-23 20:23:14,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 2028 transitions. [2023-11-23 20:23:14,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2023-11-23 20:23:14,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:14,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:15,415 INFO L134 CoverageAnalysis]: Checked inductivity of 3392 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3392 trivial. 0 not checked. [2023-11-23 20:23:15,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:15,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2037 states to 1378 states and 2037 transitions. [2023-11-23 20:23:15,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 2037 transitions. [2023-11-23 20:23:15,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2023-11-23 20:23:15,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:15,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:15,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:15,989 INFO L134 CoverageAnalysis]: Checked inductivity of 3389 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3386 trivial. 0 not checked. [2023-11-23 20:23:16,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:16,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 1388 states and 2066 transitions. [2023-11-23 20:23:16,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 2066 transitions. [2023-11-23 20:23:16,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2023-11-23 20:23:16,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:16,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:16,963 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3398 trivial. 0 not checked. [2023-11-23 20:23:17,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:17,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2092 states to 1394 states and 2092 transitions. [2023-11-23 20:23:17,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 2092 transitions. [2023-11-23 20:23:17,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2023-11-23 20:23:17,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:17,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:17,997 INFO L134 CoverageAnalysis]: Checked inductivity of 3393 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3393 trivial. 0 not checked. [2023-11-23 20:23:18,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:18,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 1398 states and 2101 transitions. [2023-11-23 20:23:18,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 2101 transitions. [2023-11-23 20:23:18,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2023-11-23 20:23:18,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:18,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:18,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3394 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3394 trivial. 0 not checked. [2023-11-23 20:23:18,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:18,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2110 states to 1402 states and 2110 transitions. [2023-11-23 20:23:18,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 2110 transitions. [2023-11-23 20:23:18,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2023-11-23 20:23:18,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:18,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:19,249 INFO L134 CoverageAnalysis]: Checked inductivity of 3326 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3326 trivial. 0 not checked. [2023-11-23 20:23:20,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:20,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 1421 states and 2159 transitions. [2023-11-23 20:23:20,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1421 states and 2159 transitions. [2023-11-23 20:23:20,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2023-11-23 20:23:20,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:20,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:20,548 INFO L134 CoverageAnalysis]: Checked inductivity of 3382 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3382 trivial. 0 not checked. [2023-11-23 20:23:20,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:20,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2168 states to 1425 states and 2168 transitions. [2023-11-23 20:23:20,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 2168 transitions. [2023-11-23 20:23:20,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2023-11-23 20:23:20,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:20,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:21,223 INFO L134 CoverageAnalysis]: Checked inductivity of 3383 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3383 trivial. 0 not checked. [2023-11-23 20:23:21,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:21,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 1429 states and 2177 transitions. [2023-11-23 20:23:21,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 2177 transitions. [2023-11-23 20:23:21,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2023-11-23 20:23:21,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:21,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:21,867 INFO L134 CoverageAnalysis]: Checked inductivity of 3384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3384 trivial. 0 not checked. [2023-11-23 20:23:21,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:21,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2186 states to 1433 states and 2186 transitions. [2023-11-23 20:23:21,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 2186 transitions. [2023-11-23 20:23:21,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2023-11-23 20:23:21,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:21,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:22,487 INFO L134 CoverageAnalysis]: Checked inductivity of 3385 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3385 trivial. 0 not checked. [2023-11-23 20:23:22,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:22,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 1437 states and 2195 transitions. [2023-11-23 20:23:22,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 2195 transitions. [2023-11-23 20:23:22,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2023-11-23 20:23:22,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:22,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:23,004 INFO L134 CoverageAnalysis]: Checked inductivity of 3391 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3391 trivial. 0 not checked. [2023-11-23 20:23:23,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:23,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 1444 states and 2224 transitions. [2023-11-23 20:23:23,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 2224 transitions. [2023-11-23 20:23:23,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2023-11-23 20:23:23,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:23,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:23,694 INFO L134 CoverageAnalysis]: Checked inductivity of 3391 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3391 trivial. 0 not checked. [2023-11-23 20:23:24,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:24,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2246 states to 1449 states and 2246 transitions. [2023-11-23 20:23:24,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 2246 transitions. [2023-11-23 20:23:24,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2023-11-23 20:23:24,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:24,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:24,629 INFO L134 CoverageAnalysis]: Checked inductivity of 3392 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3386 trivial. 0 not checked. [2023-11-23 20:23:25,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:25,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2275 states to 1456 states and 2275 transitions. [2023-11-23 20:23:25,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 2275 transitions. [2023-11-23 20:23:25,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2023-11-23 20:23:25,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:25,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:26,190 INFO L134 CoverageAnalysis]: Checked inductivity of 3388 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3377 trivial. 0 not checked. [2023-11-23 20:23:27,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:27,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 1468 states and 2318 transitions. [2023-11-23 20:23:27,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 2318 transitions. [2023-11-23 20:23:27,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2023-11-23 20:23:27,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:27,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:27,821 INFO L134 CoverageAnalysis]: Checked inductivity of 3386 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3386 trivial. 0 not checked. [2023-11-23 20:23:27,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:27,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2327 states to 1472 states and 2327 transitions. [2023-11-23 20:23:27,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 2327 transitions. [2023-11-23 20:23:27,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2023-11-23 20:23:27,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:27,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:28,545 INFO L134 CoverageAnalysis]: Checked inductivity of 3393 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3386 trivial. 0 not checked. [2023-11-23 20:23:29,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:29,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 1480 states and 2360 transitions. [2023-11-23 20:23:29,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 2360 transitions. [2023-11-23 20:23:30,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2023-11-23 20:23:30,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:30,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:30,611 INFO L134 CoverageAnalysis]: Checked inductivity of 3394 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3386 trivial. 0 not checked. [2023-11-23 20:23:32,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:32,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 1489 states and 2396 transitions. [2023-11-23 20:23:32,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 2396 transitions. [2023-11-23 20:23:32,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2023-11-23 20:23:32,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:32,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:32,874 INFO L134 CoverageAnalysis]: Checked inductivity of 3387 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3387 trivial. 0 not checked. [2023-11-23 20:23:32,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:32,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2405 states to 1493 states and 2405 transitions. [2023-11-23 20:23:32,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 2405 transitions. [2023-11-23 20:23:32,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2023-11-23 20:23:32,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:32,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:33,358 INFO L134 CoverageAnalysis]: Checked inductivity of 3381 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3381 trivial. 0 not checked. [2023-11-23 20:23:33,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:33,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2436 states to 1504 states and 2436 transitions. [2023-11-23 20:23:33,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1504 states and 2436 transitions. [2023-11-23 20:23:33,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2023-11-23 20:23:33,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:33,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:34,035 INFO L134 CoverageAnalysis]: Checked inductivity of 3383 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3379 trivial. 0 not checked. [2023-11-23 20:23:34,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:34,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2440 states to 1508 states and 2440 transitions. [2023-11-23 20:23:34,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 2440 transitions. [2023-11-23 20:23:34,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2023-11-23 20:23:34,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:34,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:34,824 INFO L134 CoverageAnalysis]: Checked inductivity of 3395 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3386 trivial. 0 not checked.