./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 9bd2c7ff 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_7ac5cb7e-4596-4feb-af69-3692f3900704/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5cb7e-4596-4feb-af69-3692f3900704/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5cb7e-4596-4feb-af69-3692f3900704/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5cb7e-4596-4feb-af69-3692f3900704/bin/ukojak-verify-G8NBE6pJGL/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_7ac5cb7e-4596-4feb-af69-3692f3900704/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5cb7e-4596-4feb-af69-3692f3900704/bin/ukojak-verify-G8NBE6pJGL --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-9bd2c7f [2023-11-19 04:01:41,004 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:01:41,118 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5cb7e-4596-4feb-af69-3692f3900704/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 04:01:41,125 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:01:41,126 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:01:41,162 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:01:41,163 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:01:41,163 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:01:41,164 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:01:41,169 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:01:41,170 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:01:41,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:01:41,171 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:01:41,175 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:01:41,176 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:01:41,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:01:41,178 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:01:41,178 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:01:41,178 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:01:41,179 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:01:41,179 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:01:41,180 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:01:41,181 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:01:41,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:41,182 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:01:41,183 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:01:41,183 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:01:41,184 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:01:41,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:01:41,184 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:01:41,186 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_7ac5cb7e-4596-4feb-af69-3692f3900704/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5cb7e-4596-4feb-af69-3692f3900704/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2d7f6c194f04de54ba5a893678a720456a663ad567a49e51faf84a68b16d812 [2023-11-19 04:01:41,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:01:41,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:01:41,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:01:41,537 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:01:41,538 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:01:41,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5cb7e-4596-4feb-af69-3692f3900704/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2023-11-19 04:01:44,687 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:01:45,374 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:01:45,374 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5cb7e-4596-4feb-af69-3692f3900704/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2023-11-19 04:01:45,439 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5cb7e-4596-4feb-af69-3692f3900704/bin/ukojak-verify-G8NBE6pJGL/data/2debf5fe5/3cc1b7fec5fc4535bd024457b6023c86/FLAG82844da84 [2023-11-19 04:01:45,454 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5cb7e-4596-4feb-af69-3692f3900704/bin/ukojak-verify-G8NBE6pJGL/data/2debf5fe5/3cc1b7fec5fc4535bd024457b6023c86 [2023-11-19 04:01:45,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:01:45,458 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:01:45,459 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:45,459 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:01:45,464 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:01:45,465 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:45" (1/1) ... [2023-11-19 04:01:45,466 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8ef65e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:45, skipping insertion in model container [2023-11-19 04:01:45,466 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:45" (1/1) ... [2023-11-19 04:01:45,684 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:01:49,626 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_7ac5cb7e-4596-4feb-af69-3692f3900704/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415292,415305] [2023-11-19 04:01:49,630 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_7ac5cb7e-4596-4feb-af69-3692f3900704/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415437,415450] [2023-11-19 04:01:49,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:49,745 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:01:49,864 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] [2023-11-19 04:01:49,866 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] [2023-11-19 04:01:49,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6123] [2023-11-19 04:01:49,869 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] [2023-11-19 04:01:49,870 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] [2023-11-19 04:01:49,871 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] [2023-11-19 04:01:49,871 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] [2023-11-19 04:01:49,872 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] [2023-11-19 04:01:49,872 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] [2023-11-19 04:01:49,873 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] [2023-11-19 04:01:49,878 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] [2023-11-19 04:01:49,897 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] [2023-11-19 04:01:49,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6926] [2023-11-19 04:01:49,933 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] [2023-11-19 04:01:49,934 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] [2023-11-19 04:01:49,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7656] [2023-11-19 04:01:49,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7661] [2023-11-19 04:01:49,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7663] [2023-11-19 04:01:49,938 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] [2023-11-19 04:01:49,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7745] [2023-11-19 04:01:49,945 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] [2023-11-19 04:01:49,946 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7787] [2023-11-19 04:01:49,949 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] [2023-11-19 04:01:49,952 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] [2023-11-19 04:01:49,953 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] [2023-11-19 04:01:49,955 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] [2023-11-19 04:01:49,956 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] [2023-11-19 04:01:49,959 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] [2023-11-19 04:01:49,962 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] [2023-11-19 04:01:49,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8259] [2023-11-19 04:01:49,967 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8261] [2023-11-19 04:01:49,969 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] [2023-11-19 04:01:49,975 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] [2023-11-19 04:01:49,981 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] [2023-11-19 04:01:49,982 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] [2023-11-19 04:01:49,984 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] [2023-11-19 04:01:49,988 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8840] [2023-11-19 04:01:49,993 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8955] [2023-11-19 04:01:49,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (np->stats)); [9027] [2023-11-19 04:01:50,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (np->stats)); [9397] [2023-11-19 04:01:50,214 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_7ac5cb7e-4596-4feb-af69-3692f3900704/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415292,415305] [2023-11-19 04:01:50,220 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_7ac5cb7e-4596-4feb-af69-3692f3900704/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415437,415450] [2023-11-19 04:01:50,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:50,564 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:01:50,572 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:01:50,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:50 WrapperNode [2023-11-19 04:01:50,573 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:50,574 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:50,574 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:01:50,574 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:01:50,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:50" (1/1) ... [2023-11-19 04:01:50,714 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:50" (1/1) ... [2023-11-19 04:01:50,900 INFO L138 Inliner]: procedures = 562, calls = 2419, calls flagged for inlining = 267, calls inlined = 188, statements flattened = 4629 [2023-11-19 04:01:50,901 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:50,902 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:01:50,902 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:01:50,902 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:01:50,912 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:50" (1/1) ... [2023-11-19 04:01:50,912 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:50" (1/1) ... [2023-11-19 04:01:50,931 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:50" (1/1) ... [2023-11-19 04:01:50,932 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:50" (1/1) ... [2023-11-19 04:01:51,040 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:50" (1/1) ... [2023-11-19 04:01:51,081 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:50" (1/1) ... [2023-11-19 04:01:51,119 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:50" (1/1) ... [2023-11-19 04:01:51,142 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:50" (1/1) ... [2023-11-19 04:01:51,176 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:01:51,177 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:01:51,177 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:01:51,177 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:01:51,178 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:50" (1/1) ... [2023-11-19 04:01:51,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:51,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5cb7e-4596-4feb-af69-3692f3900704/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:01:51,209 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5cb7e-4596-4feb-af69-3692f3900704/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:01:51,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5cb7e-4596-4feb-af69-3692f3900704/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:01:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2023-11-19 04:01:51,256 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2023-11-19 04:01:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 04:01:51,257 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 04:01:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-11-19 04:01:51,257 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-11-19 04:01:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-19 04:01:51,257 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-19 04:01:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:01:51,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:01:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_scanf [2023-11-19 04:01:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_scanf [2023-11-19 04:01:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_lock_of_netfront_info [2023-11-19 04:01:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_lock_of_netfront_info [2023-11-19 04:01:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2023-11-19 04:01:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2023-11-19 04:01:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-19 04:01:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-19 04:01:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_interrupt [2023-11-19 04:01:51,259 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_interrupt [2023-11-19 04:01:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 04:01:51,259 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 04:01:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2023-11-19 04:01:51,259 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2023-11-19 04:01:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2023-11-19 04:01:51,259 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2023-11-19 04:01:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2023-11-19 04:01:51,260 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2023-11-19 04:01:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2023-11-19 04:01:51,260 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2023-11-19 04:01:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2023-11-19 04:01:51,260 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2023-11-19 04:01:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 04:01:51,260 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 04:01:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2023-11-19 04:01:51,261 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2023-11-19 04:01:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 04:01:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2023-11-19 04:01:51,261 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2023-11-19 04:01:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 04:01:51,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 04:01:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-19 04:01:51,261 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-19 04:01:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 04:01:51,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 04:01:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2023-11-19 04:01:51,262 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2023-11-19 04:01:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:01:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-19 04:01:51,262 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-19 04:01:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2023-11-19 04:01:51,262 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2023-11-19 04:01:51,263 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2023-11-19 04:01:51,263 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2023-11-19 04:01:51,263 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 04:01:51,263 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 04:01:51,263 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2023-11-19 04:01:51,263 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2023-11-19 04:01:51,263 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2023-11-19 04:01:51,263 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2023-11-19 04:01:51,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-19 04:01:51,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-19 04:01:51,264 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 04:01:51,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 04:01:51,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:01:51,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 04:01:51,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 04:01:51,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:01:51,264 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 04:01:51,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 04:01:51,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-19 04:01:51,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-19 04:01:51,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_124 [2023-11-19 04:01:51,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_124 [2023-11-19 04:01:51,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 04:01:51,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 04:01:51,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 04:01:51,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 04:01:51,266 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2023-11-19 04:01:51,266 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2023-11-19 04:01:51,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2023-11-19 04:01:51,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2023-11-19 04:01:51,266 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-19 04:01:51,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-19 04:01:51,266 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2023-11-19 04:01:51,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2023-11-19 04:01:51,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:01:51,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 04:01:51,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 04:01:51,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:01:51,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 04:01:51,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 04:01:51,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:01:51,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-19 04:01:51,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-19 04:01:51,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-19 04:01:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-19 04:01:51,268 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2023-11-19 04:01:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2023-11-19 04:01:51,268 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-19 04:01:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-19 04:01:51,268 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 04:01:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 04:01:51,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 04:01:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 04:01:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 04:01:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 04:01:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_dev_fatal [2023-11-19 04:01:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_dev_fatal [2023-11-19 04:01:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2023-11-19 04:01:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2023-11-19 04:01:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:01:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:01:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_netif_exit_20_2 [2023-11-19 04:01:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_netif_exit_20_2 [2023-11-19 04:01:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 04:01:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 04:01:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:01:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:01:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2023-11-19 04:01:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2023-11-19 04:01:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2023-11-19 04:01:51,271 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2023-11-19 04:01:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2023-11-19 04:01:51,271 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2023-11-19 04:01:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-19 04:01:51,271 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-19 04:01:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-19 04:01:51,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-19 04:01:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2023-11-19 04:01:51,271 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2023-11-19 04:01:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:01:51,272 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:01:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 04:01:51,272 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 04:01:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-19 04:01:51,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-19 04:01:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2023-11-19 04:01:51,272 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2023-11-19 04:01:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-19 04:01:51,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-19 04:01:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:01:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_printf [2023-11-19 04:01:51,277 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_printf [2023-11-19 04:01:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2023-11-19 04:01:51,277 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2023-11-19 04:01:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2023-11-19 04:01:51,278 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2023-11-19 04:01:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_netfront_info [2023-11-19 04:01:51,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_netfront_info [2023-11-19 04:01:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:01:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2023-11-19 04:01:51,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2023-11-19 04:01:51,279 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_min [2023-11-19 04:01:51,279 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_min [2023-11-19 04:01:51,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2023-11-19 04:01:51,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2023-11-19 04:01:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:01:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:01:51,280 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:01:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-19 04:01:51,281 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-19 04:01:51,282 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2023-11-19 04:01:51,282 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2023-11-19 04:01:51,282 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2023-11-19 04:01:51,282 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2023-11-19 04:01:51,283 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 04:01:51,284 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 04:01:51,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 04:01:51,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 04:01:51,284 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2023-11-19 04:01:51,285 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2023-11-19 04:01:51,285 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2023-11-19 04:01:51,285 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2023-11-19 04:01:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-19 04:01:51,286 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-19 04:01:51,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_104 [2023-11-19 04:01:51,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_104 [2023-11-19 04:01:51,291 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2023-11-19 04:01:51,291 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2023-11-19 04:01:51,291 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2023-11-19 04:01:51,292 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2023-11-19 04:01:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2023-11-19 04:01:51,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2023-11-19 04:01:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-19 04:01:51,292 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-19 04:01:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 04:01:51,292 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 04:01:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2023-11-19 04:01:51,293 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2023-11-19 04:01:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2023-11-19 04:01:51,293 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2023-11-19 04:01:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 04:01:51,293 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 04:01:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 04:01:51,295 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 04:01:51,296 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2023-11-19 04:01:51,296 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2023-11-19 04:01:51,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:01:51,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:01:51,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:01:51,296 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-19 04:01:51,297 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-19 04:01:51,297 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rx_interrupt [2023-11-19 04:01:51,297 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rx_interrupt [2023-11-19 04:01:51,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2023-11-19 04:01:51,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2023-11-19 04:01:51,297 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-19 04:01:51,298 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-19 04:01:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2023-11-19 04:01:51,298 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2023-11-19 04:01:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_105 [2023-11-19 04:01:51,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_105 [2023-11-19 04:01:51,299 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_max [2023-11-19 04:01:51,299 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_max [2023-11-19 04:01:51,299 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 04:01:51,299 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 04:01:51,299 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-11-19 04:01:51,299 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-11-19 04:01:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 04:01:51,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 04:01:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_interrupt [2023-11-19 04:01:51,300 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_interrupt [2023-11-19 04:01:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_123 [2023-11-19 04:01:51,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_123 [2023-11-19 04:01:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:01:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 04:01:51,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 04:01:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-19 04:01:51,301 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-19 04:01:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-11-19 04:01:51,301 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-11-19 04:01:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2023-11-19 04:01:51,302 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2023-11-19 04:01:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2023-11-19 04:01:51,302 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2023-11-19 04:01:52,089 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:01:52,099 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:01:52,338 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:01:58,057 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 04:01:58,268 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:01:59,552 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:01:59,553 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:01:59,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:59 BoogieIcfgContainer [2023-11-19 04:01:59,620 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:01:59,621 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:01:59,621 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:01:59,631 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:01:59,632 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:59" (1/1) ... [2023-11-19 04:01:59,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:01:59,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:59,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1314 states and 1859 transitions. [2023-11-19 04:01:59,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1859 transitions. [2023-11-19 04:01:59,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2023-11-19 04:01:59,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:59,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:01,282 INFO L134 CoverageAnalysis]: Checked inductivity of 3317 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3317 trivial. 0 not checked. [2023-11-19 04:02:01,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:01,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1898 states to 1331 states and 1898 transitions. [2023-11-19 04:02:01,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1898 transitions. [2023-11-19 04:02:01,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2023-11-19 04:02:01,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:01,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:02,441 INFO L134 CoverageAnalysis]: Checked inductivity of 3382 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3382 trivial. 0 not checked. [2023-11-19 04:02:02,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:02,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1907 states to 1335 states and 1907 transitions. [2023-11-19 04:02:02,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1907 transitions. [2023-11-19 04:02:02,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2023-11-19 04:02:02,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:02,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:03,487 INFO L134 CoverageAnalysis]: Checked inductivity of 3443 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3439 trivial. 0 not checked. [2023-11-19 04:02:03,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:03,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1929 states to 1340 states and 1929 transitions. [2023-11-19 04:02:03,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1929 transitions. [2023-11-19 04:02:03,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2023-11-19 04:02:03,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:03,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:04,277 INFO L134 CoverageAnalysis]: Checked inductivity of 3326 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3326 trivial. 0 not checked. [2023-11-19 04:02:04,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:04,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1359 states and 1975 transitions. [2023-11-19 04:02:04,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1975 transitions. [2023-11-19 04:02:04,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2023-11-19 04:02:04,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:04,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:05,374 INFO L134 CoverageAnalysis]: Checked inductivity of 3326 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3326 trivial. 0 not checked. [2023-11-19 04:02:05,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:05,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2020 states to 1377 states and 2020 transitions. [2023-11-19 04:02:05,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 2020 transitions. [2023-11-19 04:02:05,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2023-11-19 04:02:05,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:05,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:05,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:06,274 INFO L134 CoverageAnalysis]: Checked inductivity of 3391 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3391 trivial. 0 not checked. [2023-11-19 04:02:06,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:06,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2048 states to 1385 states and 2048 transitions. [2023-11-19 04:02:06,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 2048 transitions. [2023-11-19 04:02:06,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2023-11-19 04:02:06,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:06,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:06,997 INFO L134 CoverageAnalysis]: Checked inductivity of 3392 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3392 trivial. 0 not checked. [2023-11-19 04:02:07,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:07,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 1401 states and 2093 transitions. [2023-11-19 04:02:07,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 2093 transitions. [2023-11-19 04:02:07,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2023-11-19 04:02:07,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:07,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:07,923 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3398 trivial. 0 not checked. [2023-11-19 04:02:08,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:08,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2118 states to 1407 states and 2118 transitions. [2023-11-19 04:02:08,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 2118 transitions. [2023-11-19 04:02:08,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2023-11-19 04:02:08,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:08,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:08,889 INFO L134 CoverageAnalysis]: Checked inductivity of 3383 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3383 trivial. 0 not checked. [2023-11-19 04:02:08,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:08,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2127 states to 1411 states and 2127 transitions. [2023-11-19 04:02:08,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 2127 transitions. [2023-11-19 04:02:08,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2023-11-19 04:02:08,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:08,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:09,405 INFO L134 CoverageAnalysis]: Checked inductivity of 3384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3384 trivial. 0 not checked. [2023-11-19 04:02:09,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:09,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2136 states to 1415 states and 2136 transitions. [2023-11-19 04:02:09,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 2136 transitions. [2023-11-19 04:02:09,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2023-11-19 04:02:09,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:09,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:09,933 INFO L134 CoverageAnalysis]: Checked inductivity of 3380 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3377 trivial. 0 not checked. [2023-11-19 04:02:10,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:10,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 1425 states and 2167 transitions. [2023-11-19 04:02:10,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 2167 transitions. [2023-11-19 04:02:10,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2023-11-19 04:02:10,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:10,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:10,685 INFO L134 CoverageAnalysis]: Checked inductivity of 3385 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3385 trivial. 0 not checked. [2023-11-19 04:02:10,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:10,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 1429 states and 2176 transitions. [2023-11-19 04:02:10,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 2176 transitions. [2023-11-19 04:02:10,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2023-11-19 04:02:10,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:10,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:10,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:11,322 INFO L134 CoverageAnalysis]: Checked inductivity of 3392 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3386 trivial. 0 not checked. [2023-11-19 04:02:12,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:12,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2205 states to 1436 states and 2205 transitions. [2023-11-19 04:02:12,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 2205 transitions. [2023-11-19 04:02:12,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2023-11-19 04:02:12,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:12,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:12,590 INFO L134 CoverageAnalysis]: Checked inductivity of 3386 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3386 trivial. 0 not checked. [2023-11-19 04:02:12,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:12,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 1440 states and 2214 transitions. [2023-11-19 04:02:12,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 2214 transitions. [2023-11-19 04:02:12,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2023-11-19 04:02:12,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:12,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:13,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3388 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3377 trivial. 0 not checked. [2023-11-19 04:02:14,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:14,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2257 states to 1452 states and 2257 transitions. [2023-11-19 04:02:14,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 2257 transitions. [2023-11-19 04:02:14,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2023-11-19 04:02:14,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:14,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:14,646 INFO L134 CoverageAnalysis]: Checked inductivity of 3391 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3391 trivial. 0 not checked. [2023-11-19 04:02:14,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:14,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2267 states to 1456 states and 2267 transitions. [2023-11-19 04:02:14,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 2267 transitions. [2023-11-19 04:02:14,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2023-11-19 04:02:14,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:14,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:15,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:15,465 INFO L134 CoverageAnalysis]: Checked inductivity of 3393 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3386 trivial. 0 not checked. [2023-11-19 04:02:16,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:16,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2301 states to 1464 states and 2301 transitions. [2023-11-19 04:02:16,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 2301 transitions. [2023-11-19 04:02:16,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2023-11-19 04:02:16,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:16,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:17,646 INFO L134 CoverageAnalysis]: Checked inductivity of 3394 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3386 trivial. 0 not checked. [2023-11-19 04:02:19,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:19,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2338 states to 1473 states and 2338 transitions. [2023-11-19 04:02:19,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 2338 transitions. [2023-11-19 04:02:19,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2023-11-19 04:02:19,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:19,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:19,757 INFO L134 CoverageAnalysis]: Checked inductivity of 3387 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3387 trivial. 0 not checked. [2023-11-19 04:02:19,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:19,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2347 states to 1477 states and 2347 transitions. [2023-11-19 04:02:19,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 2347 transitions. [2023-11-19 04:02:19,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2023-11-19 04:02:19,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:19,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:20,495 INFO L134 CoverageAnalysis]: Checked inductivity of 3395 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3386 trivial. 0 not checked. [2023-11-19 04:02:22,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:22,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2387 states to 1487 states and 2387 transitions. [2023-11-19 04:02:22,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 2387 transitions. [2023-11-19 04:02:22,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2023-11-19 04:02:22,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:22,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:23,001 INFO L134 CoverageAnalysis]: Checked inductivity of 3381 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3381 trivial. 0 not checked. [2023-11-19 04:02:23,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:23,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 1498 states and 2418 transitions. [2023-11-19 04:02:23,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 2418 transitions. [2023-11-19 04:02:23,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2023-11-19 04:02:23,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:23,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:23,555 INFO L134 CoverageAnalysis]: Checked inductivity of 3393 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3393 trivial. 0 not checked. [2023-11-19 04:02:23,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:23,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2427 states to 1502 states and 2427 transitions. [2023-11-19 04:02:23,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 2427 transitions. [2023-11-19 04:02:23,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2023-11-19 04:02:23,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:23,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:24,306 INFO L134 CoverageAnalysis]: Checked inductivity of 3383 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3379 trivial. 0 not checked. [2023-11-19 04:02:24,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:24,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2431 states to 1506 states and 2431 transitions. [2023-11-19 04:02:24,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1506 states and 2431 transitions. [2023-11-19 04:02:24,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2023-11-19 04:02:24,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:24,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:24,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:24,770 INFO L134 CoverageAnalysis]: Checked inductivity of 3388 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3388 trivial. 0 not checked. [2023-11-19 04:02:24,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:24,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2443 states to 1511 states and 2443 transitions. [2023-11-19 04:02:24,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 2443 transitions. [2023-11-19 04:02:25,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2023-11-19 04:02:25,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:25,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:25,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:25,624 INFO L134 CoverageAnalysis]: Checked inductivity of 3396 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3386 trivial. 0 not checked.