./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6311b6cb-d9aa-4be8-9a4f-176e6692a5bc/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6311b6cb-d9aa-4be8-9a4f-176e6692a5bc/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_6311b6cb-d9aa-4be8-9a4f-176e6692a5bc/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6311b6cb-d9aa-4be8-9a4f-176e6692a5bc/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6311b6cb-d9aa-4be8-9a4f-176e6692a5bc/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_6311b6cb-d9aa-4be8-9a4f-176e6692a5bc/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 3ddf607d1745197f42ec93d91371fe3b581377117340b3a7d449f25d43cdec16 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:40:43,846 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:40:43,934 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6311b6cb-d9aa-4be8-9a4f-176e6692a5bc/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 02:40:43,940 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:40:43,941 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:40:43,970 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:40:43,971 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:40:43,972 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:40:43,973 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:40:43,974 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:40:43,975 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:40:43,976 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:40:43,976 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:40:43,977 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:40:43,978 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:40:43,978 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:40:43,979 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:40:43,980 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:40:43,980 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:40:43,981 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:40:43,981 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:40:43,985 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:40:43,986 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:40:43,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:40:43,988 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:40:43,988 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:40:43,989 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:40:43,989 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:40:43,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:40:43,990 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:40:43,992 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_6311b6cb-d9aa-4be8-9a4f-176e6692a5bc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6311b6cb-d9aa-4be8-9a4f-176e6692a5bc/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ddf607d1745197f42ec93d91371fe3b581377117340b3a7d449f25d43cdec16 [2023-11-19 02:40:44,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:40:44,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:40:44,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:40:44,350 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:40:44,351 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:40:44,353 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6311b6cb-d9aa-4be8-9a4f-176e6692a5bc/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2023-11-19 02:40:47,632 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:40:48,368 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:40:48,369 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6311b6cb-d9aa-4be8-9a4f-176e6692a5bc/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2023-11-19 02:40:48,431 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6311b6cb-d9aa-4be8-9a4f-176e6692a5bc/bin/ukojak-verify-G8NBE6pJGL/data/b2a5da9d7/3c54a7d3e5a94fc1b95e601a4c7c8b60/FLAG9692321d7 [2023-11-19 02:40:48,454 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6311b6cb-d9aa-4be8-9a4f-176e6692a5bc/bin/ukojak-verify-G8NBE6pJGL/data/b2a5da9d7/3c54a7d3e5a94fc1b95e601a4c7c8b60 [2023-11-19 02:40:48,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:40:48,463 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:40:48,469 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:40:48,469 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:40:48,474 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:40:48,477 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:40:48" (1/1) ... [2023-11-19 02:40:48,478 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c0e482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:48, skipping insertion in model container [2023-11-19 02:40:48,478 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:40:48" (1/1) ... [2023-11-19 02:40:48,690 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:40:52,835 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_6311b6cb-d9aa-4be8-9a4f-176e6692a5bc/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402050,402063] [2023-11-19 02:40:52,840 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_6311b6cb-d9aa-4be8-9a4f-176e6692a5bc/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402195,402208] [2023-11-19 02:40:52,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:40:52,909 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:40:53,022 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"); [6124] [2023-11-19 02:40:53,024 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)); [6131] [2023-11-19 02:40:53,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6138] [2023-11-19 02:40:53,028 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/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/dfaa16b/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [6242-6243] [2023-11-19 02:40:53,028 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"); [6248-6250] [2023-11-19 02:40:53,029 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/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/dfaa16b/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (809), "i" (12UL)); [6275-6276] [2023-11-19 02:40:53,030 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"); [6281-6283] [2023-11-19 02:40:53,030 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/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/dfaa16b/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (814), "i" (12UL)); [6307-6308] [2023-11-19 02:40:53,031 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"); [6313-6315] [2023-11-19 02:40:53,032 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)); [6350] [2023-11-19 02:40:53,086 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)); [6550-6551] [2023-11-19 02:40:53,100 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)); [6934-6935] [2023-11-19 02:40:53,100 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6941] [2023-11-19 02:40:53,139 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)); [7633-7634] [2023-11-19 02:40:53,140 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)); [7647-7648] [2023-11-19 02:40:53,143 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7671] [2023-11-19 02:40:53,144 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7676] [2023-11-19 02:40:53,144 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7678] [2023-11-19 02:40:53,146 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)); [7752-7753] [2023-11-19 02:40:53,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7760] [2023-11-19 02:40:53,149 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)); [7779-7780] [2023-11-19 02:40:53,150 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7802] [2023-11-19 02:40:53,154 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)); [7883-7884] [2023-11-19 02:40:53,156 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)); [7924-7925] [2023-11-19 02:40:53,157 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)); [7939-7940] [2023-11-19 02:40:53,158 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)); [7965-7966] [2023-11-19 02:40:53,160 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)); [7992-7993] [2023-11-19 02:40:53,163 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)); [8108] [2023-11-19 02:40:53,167 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)); [8222-8223] [2023-11-19 02:40:53,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8274] [2023-11-19 02:40:53,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8276] [2023-11-19 02:40:53,175 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)); [8339-8340] [2023-11-19 02:40:53,182 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)); [8522-8523] [2023-11-19 02:40:53,189 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)); [8672-8673] [2023-11-19 02:40:53,190 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)); [8689-8690] [2023-11-19 02:40:53,192 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)); [8767] [2023-11-19 02:40:53,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8855] [2023-11-19 02:40:53,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8970] [2023-11-19 02:40:53,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (np->stats)); [9042] [2023-11-19 02:40:53,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (np->stats)); [9412] [2023-11-19 02:40:53,407 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_6311b6cb-d9aa-4be8-9a4f-176e6692a5bc/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402050,402063] [2023-11-19 02:40:53,407 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_6311b6cb-d9aa-4be8-9a4f-176e6692a5bc/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402195,402208] [2023-11-19 02:40:53,416 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:40:53,747 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:40:53,755 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:40:53,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:53 WrapperNode [2023-11-19 02:40:53,756 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:40:53,757 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:40:53,757 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:40:53,757 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:40:53,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:53" (1/1) ... [2023-11-19 02:40:53,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:53" (1/1) ... [2023-11-19 02:40:54,123 INFO L138 Inliner]: procedures = 547, calls = 2370, calls flagged for inlining = 260, calls inlined = 202, statements flattened = 5195 [2023-11-19 02:40:54,125 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:40:54,127 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:40:54,128 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:40:54,128 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:40:54,139 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:53" (1/1) ... [2023-11-19 02:40:54,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:53" (1/1) ... [2023-11-19 02:40:54,163 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:53" (1/1) ... [2023-11-19 02:40:54,164 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:53" (1/1) ... [2023-11-19 02:40:54,314 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:53" (1/1) ... [2023-11-19 02:40:54,349 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:53" (1/1) ... [2023-11-19 02:40:54,382 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:53" (1/1) ... [2023-11-19 02:40:54,411 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:53" (1/1) ... [2023-11-19 02:40:54,454 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:40:54,456 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:40:54,456 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:40:54,456 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:40:54,457 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:53" (1/1) ... [2023-11-19 02:40:54,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:40:54,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6311b6cb-d9aa-4be8-9a4f-176e6692a5bc/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:40:54,497 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6311b6cb-d9aa-4be8-9a4f-176e6692a5bc/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:40:54,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6311b6cb-d9aa-4be8-9a4f-176e6692a5bc/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:40:54,602 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2023-11-19 02:40:54,603 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2023-11-19 02:40:54,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 02:40:54,603 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 02:40:54,603 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-11-19 02:40:54,603 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-11-19 02:40:54,604 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-19 02:40:54,604 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-19 02:40:54,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 02:40:54,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 02:40:54,604 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_scanf [2023-11-19 02:40:54,604 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_scanf [2023-11-19 02:40:54,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_lock_of_netfront_info [2023-11-19 02:40:54,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_lock_of_netfront_info [2023-11-19 02:40:54,605 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2023-11-19 02:40:54,605 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2023-11-19 02:40:54,605 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-19 02:40:54,605 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-19 02:40:54,606 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_interrupt [2023-11-19 02:40:54,606 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_interrupt [2023-11-19 02:40:54,606 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 02:40:54,606 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 02:40:54,606 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2023-11-19 02:40:54,606 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2023-11-19 02:40:54,607 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2023-11-19 02:40:54,607 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2023-11-19 02:40:54,607 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2023-11-19 02:40:54,607 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2023-11-19 02:40:54,607 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2023-11-19 02:40:54,607 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2023-11-19 02:40:54,608 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2023-11-19 02:40:54,608 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2023-11-19 02:40:54,608 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 02:40:54,608 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 02:40:54,608 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2023-11-19 02:40:54,608 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2023-11-19 02:40:54,609 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 02:40:54,609 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2023-11-19 02:40:54,609 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2023-11-19 02:40:54,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 02:40:54,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 02:40:54,610 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-19 02:40:54,610 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-19 02:40:54,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 02:40:54,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 02:40:54,610 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2023-11-19 02:40:54,610 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2023-11-19 02:40:54,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:40:54,611 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-19 02:40:54,611 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-19 02:40:54,611 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2023-11-19 02:40:54,611 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2023-11-19 02:40:54,611 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2023-11-19 02:40:54,611 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2023-11-19 02:40:54,612 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 02:40:54,612 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 02:40:54,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 02:40:54,612 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2023-11-19 02:40:54,612 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2023-11-19 02:40:54,613 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2023-11-19 02:40:54,613 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2023-11-19 02:40:54,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-19 02:40:54,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-19 02:40:54,613 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 02:40:54,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 02:40:54,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 02:40:54,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 02:40:54,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 02:40:54,614 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_poll_controller [2023-11-19 02:40:54,614 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_poll_controller [2023-11-19 02:40:54,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:40:54,614 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 02:40:54,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 02:40:54,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 02:40:54,615 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 02:40:54,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-19 02:40:54,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-19 02:40:54,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_124 [2023-11-19 02:40:54,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_124 [2023-11-19 02:40:54,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 02:40:54,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 02:40:54,616 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get [2023-11-19 02:40:54,616 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get [2023-11-19 02:40:54,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 02:40:54,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 02:40:54,617 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2023-11-19 02:40:54,617 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2023-11-19 02:40:54,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2023-11-19 02:40:54,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2023-11-19 02:40:54,617 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-19 02:40:54,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-19 02:40:54,618 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_uninit [2023-11-19 02:40:54,618 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_uninit [2023-11-19 02:40:54,618 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2023-11-19 02:40:54,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2023-11-19 02:40:54,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:40:54,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:40:54,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 02:40:54,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 02:40:54,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:40:54,619 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-11-19 02:40:54,619 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-11-19 02:40:54,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-19 02:40:54,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-19 02:40:54,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-19 02:40:54,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-19 02:40:54,620 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2023-11-19 02:40:54,620 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2023-11-19 02:40:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2023-11-19 02:40:54,621 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2023-11-19 02:40:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-19 02:40:54,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-19 02:40:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 02:40:54,621 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 02:40:54,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 02:40:54,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 02:40:54,622 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2023-11-19 02:40:54,622 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2023-11-19 02:40:54,622 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 02:40:54,622 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 02:40:54,623 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_dev_fatal [2023-11-19 02:40:54,623 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_dev_fatal [2023-11-19 02:40:54,623 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2023-11-19 02:40:54,623 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2023-11-19 02:40:54,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:40:54,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:40:54,624 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 02:40:54,624 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 02:40:54,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 02:40:54,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 02:40:54,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 02:40:54,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 02:40:54,625 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2023-11-19 02:40:54,625 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2023-11-19 02:40:54,625 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2023-11-19 02:40:54,625 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2023-11-19 02:40:54,625 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2023-11-19 02:40:54,625 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2023-11-19 02:40:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-19 02:40:54,626 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-19 02:40:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-19 02:40:54,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-19 02:40:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2023-11-19 02:40:54,626 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2023-11-19 02:40:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2023-11-19 02:40:54,627 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2023-11-19 02:40:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 02:40:54,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 02:40:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 02:40:54,627 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 02:40:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-19 02:40:54,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-19 02:40:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2023-11-19 02:40:54,628 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2023-11-19 02:40:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-19 02:40:54,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-19 02:40:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:40:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_printf [2023-11-19 02:40:54,629 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_printf [2023-11-19 02:40:54,629 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2023-11-19 02:40:54,629 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2023-11-19 02:40:54,629 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2023-11-19 02:40:54,629 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2023-11-19 02:40:54,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_netfront_info [2023-11-19 02:40:54,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_netfront_info [2023-11-19 02:40:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_can_sg [2023-11-19 02:40:54,630 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_can_sg [2023-11-19 02:40:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:40:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2023-11-19 02:40:54,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2023-11-19 02:40:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_min [2023-11-19 02:40:54,631 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_min [2023-11-19 02:40:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2023-11-19 02:40:54,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2023-11-19 02:40:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 02:40:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 02:40:54,631 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 02:40:54,632 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-19 02:40:54,632 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-19 02:40:54,632 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2023-11-19 02:40:54,632 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2023-11-19 02:40:54,632 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2023-11-19 02:40:54,632 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2023-11-19 02:40:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 02:40:54,633 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 02:40:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 02:40:54,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 02:40:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2023-11-19 02:40:54,633 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2023-11-19 02:40:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2023-11-19 02:40:54,634 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2023-11-19 02:40:54,634 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-19 02:40:54,634 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-19 02:40:54,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_104 [2023-11-19 02:40:54,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_104 [2023-11-19 02:40:54,634 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2023-11-19 02:40:54,635 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2023-11-19 02:40:54,635 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2023-11-19 02:40:54,635 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2023-11-19 02:40:54,635 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2023-11-19 02:40:54,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2023-11-19 02:40:54,635 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-19 02:40:54,635 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-19 02:40:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 02:40:54,636 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 02:40:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2023-11-19 02:40:54,636 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2023-11-19 02:40:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2023-11-19 02:40:54,636 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2023-11-19 02:40:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 02:40:54,637 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 02:40:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 02:40:54,637 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 02:40:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2023-11-19 02:40:54,637 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2023-11-19 02:40:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:40:54,638 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-19 02:40:54,638 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-19 02:40:54,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 02:40:54,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 02:40:54,638 INFO L130 BoogieDeclarations]: Found specification of procedure get_id_from_freelist [2023-11-19 02:40:54,638 INFO L138 BoogieDeclarations]: Found implementation of procedure get_id_from_freelist [2023-11-19 02:40:54,639 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-19 02:40:54,639 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-19 02:40:54,639 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rx_interrupt [2023-11-19 02:40:54,639 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rx_interrupt [2023-11-19 02:40:54,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2023-11-19 02:40:54,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2023-11-19 02:40:54,639 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-19 02:40:54,640 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-19 02:40:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2023-11-19 02:40:54,640 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2023-11-19 02:40:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_105 [2023-11-19 02:40:54,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_105 [2023-11-19 02:40:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_max [2023-11-19 02:40:54,641 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_max [2023-11-19 02:40:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 02:40:54,641 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 02:40:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-11-19 02:40:54,641 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-11-19 02:40:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 02:40:54,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 02:40:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_interrupt [2023-11-19 02:40:54,642 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_interrupt [2023-11-19 02:40:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_123 [2023-11-19 02:40:54,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_123 [2023-11-19 02:40:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:40:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 02:40:54,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 02:40:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-19 02:40:54,643 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-19 02:40:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-11-19 02:40:54,643 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-11-19 02:40:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2023-11-19 02:40:54,643 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2023-11-19 02:40:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2023-11-19 02:40:54,644 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2023-11-19 02:40:55,492 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:40:55,497 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:40:55,829 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 02:41:02,663 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:41:04,410 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:41:04,410 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:41:04,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:41:04 BoogieIcfgContainer [2023-11-19 02:41:04,424 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:41:04,425 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:41:04,425 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:41:04,437 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:41:04,437 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:41:04" (1/1) ... [2023-11-19 02:41:04,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:41:04,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:04,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1318 states and 1841 transitions. [2023-11-19 02:41:04,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 1841 transitions. [2023-11-19 02:41:04,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-19 02:41:04,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:04,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:08,041 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-19 02:41:08,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:08,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1325 states and 1852 transitions. [2023-11-19 02:41:08,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1852 transitions. [2023-11-19 02:41:08,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-19 02:41:08,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:08,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:10,899 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-19 02:41:10,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:10,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1325 states and 1852 transitions. [2023-11-19 02:41:10,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1852 transitions. [2023-11-19 02:41:10,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-19 02:41:10,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:11,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:12,655 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-19 02:41:12,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:12,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1325 states and 1852 transitions. [2023-11-19 02:41:12,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1852 transitions. [2023-11-19 02:41:12,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-19 02:41:12,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:12,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:14,487 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-19 02:41:14,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:14,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1325 states and 1852 transitions. [2023-11-19 02:41:14,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1852 transitions. [2023-11-19 02:41:14,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-19 02:41:14,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:14,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:16,453 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-19 02:41:16,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:16,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1325 states and 1852 transitions. [2023-11-19 02:41:16,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1852 transitions. [2023-11-19 02:41:16,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-19 02:41:16,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:16,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:18,315 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-19 02:41:18,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:18,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1325 states and 1852 transitions. [2023-11-19 02:41:18,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1852 transitions. [2023-11-19 02:41:18,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-19 02:41:18,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:18,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:19,698 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-19 02:41:19,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:19,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1325 states and 1852 transitions. [2023-11-19 02:41:19,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1852 transitions. [2023-11-19 02:41:19,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-19 02:41:19,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:19,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:21,127 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-19 02:41:21,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:21,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1325 states and 1852 transitions. [2023-11-19 02:41:21,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1852 transitions. [2023-11-19 02:41:21,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-19 02:41:21,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:21,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:22,408 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2023-11-19 02:41:22,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:22,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1325 states and 1852 transitions. [2023-11-19 02:41:22,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1852 transitions. [2023-11-19 02:41:22,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-19 02:41:22,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:22,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:23,805 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2023-11-19 02:41:23,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:23,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1325 states and 1852 transitions. [2023-11-19 02:41:23,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1852 transitions. [2023-11-19 02:41:23,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-19 02:41:23,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:23,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:25,024 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2023-11-19 02:41:25,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:25,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1325 states and 1852 transitions. [2023-11-19 02:41:25,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1852 transitions. [2023-11-19 02:41:25,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-19 02:41:25,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:25,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:26,393 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2023-11-19 02:41:26,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:26,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1325 states and 1852 transitions. [2023-11-19 02:41:26,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1852 transitions. [2023-11-19 02:41:26,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-19 02:41:26,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:26,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat