./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 cf1a7837 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_4bde4bc0-4f27-4465-9190-d0b83df3e0d2/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bde4bc0-4f27-4465-9190-d0b83df3e0d2/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bde4bc0-4f27-4465-9190-d0b83df3e0d2/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bde4bc0-4f27-4465-9190-d0b83df3e0d2/bin/ukojak-verify-0OAaufAVZV/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_4bde4bc0-4f27-4465-9190-d0b83df3e0d2/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bde4bc0-4f27-4465-9190-d0b83df3e0d2/bin/ukojak-verify-0OAaufAVZV --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-cf1a783 [2023-11-11 23:57:29,874 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:57:29,995 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bde4bc0-4f27-4465-9190-d0b83df3e0d2/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-11 23:57:30,003 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:57:30,004 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:57:30,046 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:57:30,048 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:57:30,049 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:57:30,050 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:57:30,056 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:57:30,058 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:57:30,058 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:57:30,059 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:57:30,061 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:57:30,062 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:57:30,062 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:57:30,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:57:30,064 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:57:30,064 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:57:30,065 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:57:30,065 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:57:30,067 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:57:30,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:30,068 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:57:30,069 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:57:30,069 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:57:30,070 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:57:30,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:57:30,071 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:57:30,072 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_4bde4bc0-4f27-4465-9190-d0b83df3e0d2/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bde4bc0-4f27-4465-9190-d0b83df3e0d2/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2d7f6c194f04de54ba5a893678a720456a663ad567a49e51faf84a68b16d812 [2023-11-11 23:57:30,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:57:30,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:57:30,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:57:30,472 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:57:30,473 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:57:30,475 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bde4bc0-4f27-4465-9190-d0b83df3e0d2/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2023-11-11 23:57:33,698 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:57:34,460 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:57:34,461 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bde4bc0-4f27-4465-9190-d0b83df3e0d2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2023-11-11 23:57:34,547 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bde4bc0-4f27-4465-9190-d0b83df3e0d2/bin/ukojak-verify-0OAaufAVZV/data/ce2b320ba/169ae29568194b39b295130089c5300d/FLAG3b89ed796 [2023-11-11 23:57:34,564 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bde4bc0-4f27-4465-9190-d0b83df3e0d2/bin/ukojak-verify-0OAaufAVZV/data/ce2b320ba/169ae29568194b39b295130089c5300d [2023-11-11 23:57:34,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:57:34,572 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:57:34,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:34,576 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:57:34,580 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:57:34,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:34" (1/1) ... [2023-11-11 23:57:34,583 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29a2f832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:34, skipping insertion in model container [2023-11-11 23:57:34,583 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:34" (1/1) ... [2023-11-11 23:57:34,813 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:57:38,777 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_4bde4bc0-4f27-4465-9190-d0b83df3e0d2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415292,415305] [2023-11-11 23:57:38,781 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_4bde4bc0-4f27-4465-9190-d0b83df3e0d2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415437,415450] [2023-11-11 23:57:38,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:38,934 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:57:39,057 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] [2023-11-11 23:57:39,059 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] [2023-11-11 23:57:39,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6123] [2023-11-11 23:57:39,063 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] [2023-11-11 23:57:39,063 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] [2023-11-11 23:57:39,064 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] [2023-11-11 23:57:39,065 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] [2023-11-11 23:57:39,066 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] [2023-11-11 23:57:39,066 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] [2023-11-11 23:57:39,067 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] [2023-11-11 23:57:39,072 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] [2023-11-11 23:57:39,085 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] [2023-11-11 23:57:39,086 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6926] [2023-11-11 23:57:39,114 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] [2023-11-11 23:57:39,115 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] [2023-11-11 23:57:39,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7656] [2023-11-11 23:57:39,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7661] [2023-11-11 23:57:39,118 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7663] [2023-11-11 23:57:39,120 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] [2023-11-11 23:57:39,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7745] [2023-11-11 23:57:39,122 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] [2023-11-11 23:57:39,123 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7787] [2023-11-11 23:57:39,127 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] [2023-11-11 23:57:39,129 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] [2023-11-11 23:57:39,130 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] [2023-11-11 23:57:39,174 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] [2023-11-11 23:57:39,175 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" (514), "i" (12UL)); [7977-7978] [2023-11-11 23:57:39,178 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] [2023-11-11 23:57:39,181 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] [2023-11-11 23:57:39,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8259] [2023-11-11 23:57:39,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8261] [2023-11-11 23:57:39,187 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] [2023-11-11 23:57:39,193 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] [2023-11-11 23:57:39,198 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] [2023-11-11 23:57:39,199 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] [2023-11-11 23:57:39,202 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] [2023-11-11 23:57:39,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8840] [2023-11-11 23:57:39,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8955] [2023-11-11 23:57:39,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (np->stats)); [9027] [2023-11-11 23:57:39,223 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (np->stats)); [9397] [2023-11-11 23:57:39,337 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_4bde4bc0-4f27-4465-9190-d0b83df3e0d2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415292,415305] [2023-11-11 23:57:39,338 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_4bde4bc0-4f27-4465-9190-d0b83df3e0d2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415437,415450] [2023-11-11 23:57:39,345 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:39,714 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:39,726 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:57:39,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:39 WrapperNode [2023-11-11 23:57:39,727 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:39,728 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:39,728 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:57:39,728 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:57:39,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:39" (1/1) ... [2023-11-11 23:57:39,874 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:39" (1/1) ... [2023-11-11 23:57:40,065 INFO L138 Inliner]: procedures = 562, calls = 2419, calls flagged for inlining = 267, calls inlined = 188, statements flattened = 4629 [2023-11-11 23:57:40,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:40,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:57:40,068 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:57:40,070 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:57:40,079 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:39" (1/1) ... [2023-11-11 23:57:40,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:39" (1/1) ... [2023-11-11 23:57:40,117 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:39" (1/1) ... [2023-11-11 23:57:40,129 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:39" (1/1) ... [2023-11-11 23:57:40,239 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:39" (1/1) ... [2023-11-11 23:57:40,278 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:39" (1/1) ... [2023-11-11 23:57:40,315 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:39" (1/1) ... [2023-11-11 23:57:40,339 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:39" (1/1) ... [2023-11-11 23:57:40,369 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:57:40,370 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:57:40,370 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:57:40,370 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:57:40,371 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:39" (1/1) ... [2023-11-11 23:57:40,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:40,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bde4bc0-4f27-4465-9190-d0b83df3e0d2/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:57:40,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bde4bc0-4f27-4465-9190-d0b83df3e0d2/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:57:40,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bde4bc0-4f27-4465-9190-d0b83df3e0d2/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:57:40,447 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2023-11-11 23:57:40,448 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2023-11-11 23:57:40,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-11 23:57:40,449 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-11 23:57:40,449 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-11-11 23:57:40,449 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-11-11 23:57:40,449 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-11 23:57:40,450 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-11 23:57:40,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-11 23:57:40,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-11 23:57:40,450 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_scanf [2023-11-11 23:57:40,450 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_scanf [2023-11-11 23:57:40,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_lock_of_netfront_info [2023-11-11 23:57:40,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_lock_of_netfront_info [2023-11-11 23:57:40,451 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2023-11-11 23:57:40,451 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2023-11-11 23:57:40,451 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-11 23:57:40,451 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-11 23:57:40,451 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_interrupt [2023-11-11 23:57:40,452 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_interrupt [2023-11-11 23:57:40,452 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-11 23:57:40,452 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-11 23:57:40,452 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2023-11-11 23:57:40,452 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2023-11-11 23:57:40,452 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2023-11-11 23:57:40,453 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2023-11-11 23:57:40,453 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2023-11-11 23:57:40,453 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2023-11-11 23:57:40,453 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2023-11-11 23:57:40,453 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2023-11-11 23:57:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2023-11-11 23:57:40,455 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2023-11-11 23:57:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-11 23:57:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-11 23:57:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2023-11-11 23:57:40,457 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2023-11-11 23:57:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-11 23:57:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2023-11-11 23:57:40,457 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2023-11-11 23:57:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-11 23:57:40,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-11 23:57:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-11 23:57:40,458 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-11 23:57:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-11 23:57:40,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-11 23:57:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2023-11-11 23:57:40,459 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2023-11-11 23:57:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:57:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-11 23:57:40,460 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-11 23:57:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2023-11-11 23:57:40,460 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2023-11-11 23:57:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2023-11-11 23:57:40,460 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2023-11-11 23:57:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-11 23:57:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-11 23:57:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2023-11-11 23:57:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2023-11-11 23:57:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2023-11-11 23:57:40,462 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2023-11-11 23:57:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-11 23:57:40,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-11 23:57:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-11 23:57:40,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-11 23:57:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-11 23:57:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-11 23:57:40,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-11 23:57:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:57:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-11 23:57:40,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-11 23:57:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-11 23:57:40,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-11 23:57:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_124 [2023-11-11 23:57:40,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_124 [2023-11-11 23:57:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-11 23:57:40,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-11 23:57:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-11 23:57:40,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-11 23:57:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2023-11-11 23:57:40,465 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2023-11-11 23:57:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2023-11-11 23:57:40,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2023-11-11 23:57:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-11 23:57:40,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-11 23:57:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2023-11-11 23:57:40,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2023-11-11 23:57:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:57:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-11 23:57:40,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-11 23:57:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:57:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-11 23:57:40,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-11 23:57:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:57:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-11 23:57:40,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-11 23:57:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-11 23:57:40,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-11 23:57:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2023-11-11 23:57:40,469 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2023-11-11 23:57:40,470 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-11 23:57:40,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-11 23:57:40,471 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-11 23:57:40,471 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-11 23:57:40,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-11 23:57:40,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-11 23:57:40,472 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-11 23:57:40,472 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-11 23:57:40,472 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_dev_fatal [2023-11-11 23:57:40,473 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_dev_fatal [2023-11-11 23:57:40,473 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2023-11-11 23:57:40,474 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2023-11-11 23:57:40,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:57:40,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:57:40,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_netif_exit_20_2 [2023-11-11 23:57:40,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_netif_exit_20_2 [2023-11-11 23:57:40,474 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-11 23:57:40,475 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-11 23:57:40,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-11 23:57:40,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-11 23:57:40,476 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2023-11-11 23:57:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2023-11-11 23:57:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2023-11-11 23:57:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2023-11-11 23:57:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2023-11-11 23:57:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2023-11-11 23:57:40,481 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-11 23:57:40,482 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-11 23:57:40,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-11 23:57:40,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-11 23:57:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2023-11-11 23:57:40,488 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2023-11-11 23:57:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-11 23:57:40,489 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-11 23:57:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-11 23:57:40,489 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-11 23:57:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-11 23:57:40,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-11 23:57:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2023-11-11 23:57:40,490 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2023-11-11 23:57:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-11 23:57:40,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-11 23:57:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:57:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_printf [2023-11-11 23:57:40,490 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_printf [2023-11-11 23:57:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2023-11-11 23:57:40,490 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2023-11-11 23:57:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2023-11-11 23:57:40,491 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2023-11-11 23:57:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_netfront_info [2023-11-11 23:57:40,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_netfront_info [2023-11-11 23:57:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:57:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2023-11-11 23:57:40,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2023-11-11 23:57:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_min [2023-11-11 23:57:40,492 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_min [2023-11-11 23:57:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2023-11-11 23:57:40,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2023-11-11 23:57:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-11 23:57:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-11 23:57:40,492 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-11 23:57:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-11 23:57:40,493 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-11 23:57:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2023-11-11 23:57:40,493 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2023-11-11 23:57:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2023-11-11 23:57:40,493 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2023-11-11 23:57:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-11 23:57:40,494 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-11 23:57:40,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-11 23:57:40,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-11 23:57:40,494 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2023-11-11 23:57:40,494 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2023-11-11 23:57:40,495 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2023-11-11 23:57:40,495 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2023-11-11 23:57:40,495 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-11 23:57:40,495 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-11 23:57:40,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_104 [2023-11-11 23:57:40,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_104 [2023-11-11 23:57:40,495 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2023-11-11 23:57:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2023-11-11 23:57:40,496 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2023-11-11 23:57:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2023-11-11 23:57:40,496 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2023-11-11 23:57:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2023-11-11 23:57:40,496 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-11 23:57:40,497 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-11 23:57:40,497 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-11 23:57:40,497 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-11 23:57:40,497 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2023-11-11 23:57:40,497 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2023-11-11 23:57:40,497 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2023-11-11 23:57:40,498 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2023-11-11 23:57:40,498 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-11 23:57:40,498 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-11 23:57:40,498 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-11 23:57:40,498 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-11 23:57:40,498 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2023-11-11 23:57:40,499 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2023-11-11 23:57:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:57:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-11 23:57:40,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-11 23:57:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-11 23:57:40,499 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-11 23:57:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rx_interrupt [2023-11-11 23:57:40,500 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rx_interrupt [2023-11-11 23:57:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2023-11-11 23:57:40,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2023-11-11 23:57:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-11 23:57:40,500 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-11 23:57:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2023-11-11 23:57:40,501 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2023-11-11 23:57:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_105 [2023-11-11 23:57:40,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_105 [2023-11-11 23:57:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_max [2023-11-11 23:57:40,501 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_max [2023-11-11 23:57:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-11 23:57:40,502 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-11 23:57:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-11-11 23:57:40,502 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-11-11 23:57:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-11 23:57:40,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-11 23:57:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_interrupt [2023-11-11 23:57:40,502 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_interrupt [2023-11-11 23:57:40,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_123 [2023-11-11 23:57:40,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_123 [2023-11-11 23:57:40,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:57:40,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-11 23:57:40,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-11 23:57:40,577 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-11 23:57:40,578 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-11 23:57:40,578 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-11-11 23:57:40,578 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-11-11 23:57:40,578 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2023-11-11 23:57:40,578 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2023-11-11 23:57:40,578 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2023-11-11 23:57:40,578 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2023-11-11 23:57:41,355 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:57:41,360 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:57:41,590 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-11 23:57:48,082 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-11 23:57:48,326 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:57:49,612 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:57:49,613 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:57:49,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:49 BoogieIcfgContainer [2023-11-11 23:57:49,619 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:57:49,620 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:57:49,621 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:57:49,635 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:57:49,635 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:49" (1/1) ... [2023-11-11 23:57:49,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:57:49,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:49,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1314 states and 1859 transitions. [2023-11-11 23:57:49,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1859 transitions. [2023-11-11 23:57:49,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2023-11-11 23:57:49,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:49,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:51,240 INFO L134 CoverageAnalysis]: Checked inductivity of 3317 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3317 trivial. 0 not checked. [2023-11-11 23:57:51,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:51,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1898 states to 1331 states and 1898 transitions. [2023-11-11 23:57:51,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1898 transitions. [2023-11-11 23:57:51,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2023-11-11 23:57:51,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:51,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:52,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:52,645 INFO L134 CoverageAnalysis]: Checked inductivity of 3382 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3382 trivial. 0 not checked. [2023-11-11 23:57:52,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:52,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1907 states to 1335 states and 1907 transitions. [2023-11-11 23:57:52,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1907 transitions. [2023-11-11 23:57:52,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2023-11-11 23:57:52,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:52,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:53,591 INFO L134 CoverageAnalysis]: Checked inductivity of 3326 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3326 trivial. 0 not checked. [2023-11-11 23:57:53,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:53,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1952 states to 1354 states and 1952 transitions. [2023-11-11 23:57:53,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1952 transitions. [2023-11-11 23:57:53,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2023-11-11 23:57:53,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:53,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:54,433 INFO L134 CoverageAnalysis]: Checked inductivity of 3326 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3326 trivial. 0 not checked. [2023-11-11 23:57:54,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:54,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1996 states to 1372 states and 1996 transitions. [2023-11-11 23:57:54,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1996 transitions. [2023-11-11 23:57:54,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2023-11-11 23:57:54,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:54,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:55,397 INFO L134 CoverageAnalysis]: Checked inductivity of 3391 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3391 trivial. 0 not checked. [2023-11-11 23:57:55,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:55,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2005 states to 1376 states and 2005 transitions. [2023-11-11 23:57:55,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 2005 transitions. [2023-11-11 23:57:55,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2023-11-11 23:57:55,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:55,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:56,268 INFO L134 CoverageAnalysis]: Checked inductivity of 3452 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3448 trivial. 0 not checked. [2023-11-11 23:57:56,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:56,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2029 states to 1381 states and 2029 transitions. [2023-11-11 23:57:56,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 2029 transitions. [2023-11-11 23:57:56,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2023-11-11 23:57:56,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:56,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:57,189 INFO L134 CoverageAnalysis]: Checked inductivity of 3383 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3383 trivial. 0 not checked. [2023-11-11 23:57:57,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:57,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2038 states to 1385 states and 2038 transitions. [2023-11-11 23:57:57,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 2038 transitions. [2023-11-11 23:57:57,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2023-11-11 23:57:57,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:57,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:57,837 INFO L134 CoverageAnalysis]: Checked inductivity of 3391 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3391 trivial. 0 not checked. [2023-11-11 23:57:57,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:57,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2047 states to 1389 states and 2047 transitions. [2023-11-11 23:57:57,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 2047 transitions. [2023-11-11 23:57:57,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2023-11-11 23:57:57,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:57,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:58,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:58,559 INFO L134 CoverageAnalysis]: Checked inductivity of 3391 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3386 trivial. 0 not checked. [2023-11-11 23:57:58,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:58,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 1395 states and 2071 transitions. [2023-11-11 23:57:58,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 2071 transitions. [2023-11-11 23:57:58,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2023-11-11 23:57:58,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:58,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:59,348 INFO L134 CoverageAnalysis]: Checked inductivity of 3384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3384 trivial. 0 not checked. [2023-11-11 23:57:59,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:59,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2080 states to 1399 states and 2080 transitions. [2023-11-11 23:57:59,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 2080 transitions. [2023-11-11 23:57:59,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2023-11-11 23:57:59,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:59,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:59,885 INFO L134 CoverageAnalysis]: Checked inductivity of 3380 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3377 trivial. 0 not checked. [2023-11-11 23:58:00,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:00,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 1409 states and 2109 transitions. [2023-11-11 23:58:00,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 2109 transitions. [2023-11-11 23:58:00,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2023-11-11 23:58:00,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:00,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:00,727 INFO L134 CoverageAnalysis]: Checked inductivity of 3385 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3385 trivial. 0 not checked. [2023-11-11 23:58:00,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:00,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2118 states to 1413 states and 2118 transitions. [2023-11-11 23:58:00,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 2118 transitions. [2023-11-11 23:58:00,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2023-11-11 23:58:00,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:00,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:01,682 INFO L134 CoverageAnalysis]: Checked inductivity of 3392 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3386 trivial. 0 not checked. [2023-11-11 23:58:02,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:02,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2148 states to 1420 states and 2148 transitions. [2023-11-11 23:58:02,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 2148 transitions. [2023-11-11 23:58:02,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2023-11-11 23:58:02,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:02,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:03,318 INFO L134 CoverageAnalysis]: Checked inductivity of 3386 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3386 trivial. 0 not checked. [2023-11-11 23:58:03,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:03,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 1424 states and 2157 transitions. [2023-11-11 23:58:03,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 2157 transitions. [2023-11-11 23:58:03,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2023-11-11 23:58:03,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:03,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:04,251 INFO L134 CoverageAnalysis]: Checked inductivity of 3388 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3377 trivial. 0 not checked. [2023-11-11 23:58:05,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:05,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2199 states to 1436 states and 2199 transitions. [2023-11-11 23:58:05,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 2199 transitions. [2023-11-11 23:58:05,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2023-11-11 23:58:05,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:05,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:06,400 INFO L134 CoverageAnalysis]: Checked inductivity of 3393 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3386 trivial. 0 not checked. [2023-11-11 23:58:07,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:07,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2233 states to 1444 states and 2233 transitions. [2023-11-11 23:58:07,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 2233 transitions. [2023-11-11 23:58:07,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2023-11-11 23:58:07,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:07,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:08,095 INFO L134 CoverageAnalysis]: Checked inductivity of 3392 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3392 trivial. 0 not checked. [2023-11-11 23:58:08,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:08,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 1448 states and 2244 transitions. [2023-11-11 23:58:08,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1448 states and 2244 transitions. [2023-11-11 23:58:08,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2023-11-11 23:58:08,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:08,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:08,935 INFO L134 CoverageAnalysis]: Checked inductivity of 3392 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3392 trivial. 0 not checked. [2023-11-11 23:58:09,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:09,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2285 states to 1461 states and 2285 transitions. [2023-11-11 23:58:09,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2285 transitions. [2023-11-11 23:58:09,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2023-11-11 23:58:09,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:09,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:09,736 INFO L134 CoverageAnalysis]: Checked inductivity of 3393 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3393 trivial. 0 not checked. [2023-11-11 23:58:09,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:09,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2294 states to 1465 states and 2294 transitions. [2023-11-11 23:58:09,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1465 states and 2294 transitions. [2023-11-11 23:58:09,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2023-11-11 23:58:09,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:09,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:10,383 INFO L134 CoverageAnalysis]: Checked inductivity of 3394 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3394 trivial. 0 not checked. [2023-11-11 23:58:10,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:10,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2303 states to 1469 states and 2303 transitions. [2023-11-11 23:58:10,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 2303 transitions. [2023-11-11 23:58:10,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2023-11-11 23:58:10,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:10,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:10,964 INFO L134 CoverageAnalysis]: Checked inductivity of 3395 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3395 trivial. 0 not checked. [2023-11-11 23:58:11,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:11,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 1473 states and 2312 transitions. [2023-11-11 23:58:11,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 2312 transitions. [2023-11-11 23:58:11,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2023-11-11 23:58:11,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:11,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:11,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3406 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3398 trivial. 0 not checked. [2023-11-11 23:58:13,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:13,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2348 states to 1482 states and 2348 transitions. [2023-11-11 23:58:13,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 2348 transitions. [2023-11-11 23:58:13,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2023-11-11 23:58:13,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:13,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms