./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f213f4-c232-4aea-a480-5a690f8b311b/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f213f4-c232-4aea-a480-5a690f8b311b/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f213f4-c232-4aea-a480-5a690f8b311b/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f213f4-c232-4aea-a480-5a690f8b311b/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f213f4-c232-4aea-a480-5a690f8b311b/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f213f4-c232-4aea-a480-5a690f8b311b/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:11:50,046 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:11:50,123 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f213f4-c232-4aea-a480-5a690f8b311b/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:11:50,129 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:11:50,129 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:11:50,158 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:11:50,159 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:11:50,159 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:11:50,160 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:11:50,161 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:11:50,162 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:11:50,162 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:11:50,163 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:11:50,164 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:11:50,165 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:11:50,165 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:11:50,166 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:11:50,167 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:11:50,167 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:11:50,168 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:11:50,169 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:11:50,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:11:50,170 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:11:50,171 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:11:50,171 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:11:50,172 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:11:50,173 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:11:50,173 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:11:50,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:11:50,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:11:50,175 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:11:50,176 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:11:50,176 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:11:50,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:11:50,177 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:11:50,177 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:11:50,177 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:11:50,178 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:11:50,178 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:11:50,178 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_22f213f4-c232-4aea-a480-5a690f8b311b/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f213f4-c232-4aea-a480-5a690f8b311b/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 [2023-11-21 22:11:50,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:11:50,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:11:50,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:11:50,481 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:11:50,482 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:11:50,484 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f213f4-c232-4aea-a480-5a690f8b311b/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2023-11-21 22:11:53,670 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:11:54,526 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:11:54,528 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f213f4-c232-4aea-a480-5a690f8b311b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2023-11-21 22:11:54,616 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f213f4-c232-4aea-a480-5a690f8b311b/bin/uautomizer-verify-bycVGegfSx/data/37ac1694c/07c3f511bf81428a92b35248a2710cb4/FLAG65b1a243e [2023-11-21 22:11:54,634 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f213f4-c232-4aea-a480-5a690f8b311b/bin/uautomizer-verify-bycVGegfSx/data/37ac1694c/07c3f511bf81428a92b35248a2710cb4 [2023-11-21 22:11:54,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:11:54,645 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:11:54,649 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:11:54,649 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:11:54,655 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:11:54,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:11:54" (1/1) ... [2023-11-21 22:11:54,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@edfadf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:54, skipping insertion in model container [2023-11-21 22:11:54,658 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:11:54" (1/1) ... [2023-11-21 22:11:54,892 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:11:58,516 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_22f213f4-c232-4aea-a480-5a690f8b311b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2023-11-21 22:11:58,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:11:58,673 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:11:58,862 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"); [6485] [2023-11-21 22:11:58,864 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [6493-6494] [2023-11-21 22:11:58,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6528] [2023-11-21 22:11:58,879 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6531] [2023-11-21 22:11:58,879 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6534] [2023-11-21 22:11:58,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6537] [2023-11-21 22:11:58,882 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)); [6580] [2023-11-21 22:11:58,889 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6833] [2023-11-21 22:11:58,892 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" (543), "i" (12UL)); [6884-6885] [2023-11-21 22:11:58,913 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/skbuff.h"), "i" (1696), "i" (12UL)); [7111-7112] [2023-11-21 22:11:58,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7569] [2023-11-21 22:11:58,970 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (281), "i" (12UL)); [7710-7711] [2023-11-21 22:11:58,972 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (292), "i" (12UL)); [7723-7724] [2023-11-21 22:11:58,973 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (293), "i" (12UL)); [7731-7732] [2023-11-21 22:11:58,977 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (333), "i" (12UL)); [7778-7779] [2023-11-21 22:11:59,002 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (525), "i" (12UL)); [8078-8079] [2023-11-21 22:11:59,002 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (530), "i" (12UL)); [8090-8091] [2023-11-21 22:11:59,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8149] [2023-11-21 22:11:59,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8151] [2023-11-21 22:11:59,016 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8186] [2023-11-21 22:11:59,137 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (827), "i" (12UL)); [8472-8473] [2023-11-21 22:11:59,160 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (879), "i" (12UL)); [8552-8553] [2023-11-21 22:11:59,169 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (892), "i" (12UL)); [8571-8572] [2023-11-21 22:11:59,255 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8992] [2023-11-21 22:11:59,323 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (1359), "i" (12UL)); [9180-9181] [2023-11-21 22:11:59,325 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (1374), "i" (12UL)); [9210-9211] [2023-11-21 22:11:59,357 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (1530), "i" (12UL)); [9424-9425] [2023-11-21 22:11:59,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9432] [2023-11-21 22:11:59,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9469] [2023-11-21 22:11:59,360 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (1569), "i" (12UL)); [9475-9476] [2023-11-21 22:11:59,379 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (1606), "i" (12UL)); [9523-9524] [2023-11-21 22:11:59,381 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (1636), "i" (12UL)); [9572-9573] [2023-11-21 22:11:59,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9633] [2023-11-21 22:11:59,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [9635] [2023-11-21 22:11:59,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (1740), "i" (12UL)); [9681-9682] [2023-11-21 22:11:59,521 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/xenbus.c"), "i" (506), "i" (12UL)); [10924-10925] [2023-11-21 22:11:59,522 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/xenbus.c"), "i" (520), "i" (12UL)); [10942-10943] [2023-11-21 22:11:59,524 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/xenbus.c"), "i" (532), "i" (12UL)); [10958-10959] [2023-11-21 22:11:59,525 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/xenbus.c"), "i" (543), "i" (12UL)); [10973-10974] [2023-11-21 22:11:59,526 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/xenbus.c"), "i" (547), "i" (12UL)); [10981-10982] [2023-11-21 22:11:59,590 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)); [11798] [2023-11-21 22:11:59,591 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [11806-11807] [2023-11-21 22:11:59,592 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; decl %0": "+m" (v->counter)); [11825] [2023-11-21 22:11:59,592 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; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [11833-11834] [2023-11-21 22:11:59,594 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" (507), "i" (12UL)); [11889-11890] [2023-11-21 22:11:59,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [11895] [2023-11-21 22:11:59,615 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/interface.c"), "i" (147), "i" (12UL)); [12122-12123] [2023-11-21 22:11:59,652 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/interface.c"), "i" (523), "i" (12UL)); [12641-12642] [2023-11-21 22:11:59,653 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/interface.c"), "i" (524), "i" (12UL)); [12650-12651] [2023-11-21 22:11:59,653 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/interface.c"), "i" (525), "i" (12UL)); [12659-12660] [2023-11-21 22:11:59,676 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_22f213f4-c232-4aea-a480-5a690f8b311b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2023-11-21 22:11:59,691 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:11:59,923 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:11:59,923 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:11:59,924 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:11:59,932 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:11:59,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:59 WrapperNode [2023-11-21 22:11:59,934 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:11:59,935 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:11:59,936 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:11:59,936 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:11:59,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:59" (1/1) ... [2023-11-21 22:12:00,094 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:59" (1/1) ... [2023-11-21 22:12:00,346 INFO L138 Inliner]: procedures = 426, calls = 3561, calls flagged for inlining = 208, calls inlined = 117, statements flattened = 4726 [2023-11-21 22:12:00,346 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:12:00,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:12:00,348 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:12:00,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:12:00,362 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:59" (1/1) ... [2023-11-21 22:12:00,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:59" (1/1) ... [2023-11-21 22:12:00,382 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:59" (1/1) ... [2023-11-21 22:12:01,594 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_memcpy is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 22:12:01,595 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:59" (1/1) ... [2023-11-21 22:12:01,595 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:59" (1/1) ... [2023-11-21 22:12:01,746 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:59" (1/1) ... [2023-11-21 22:12:01,768 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:59" (1/1) ... [2023-11-21 22:12:01,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:59" (1/1) ... [2023-11-21 22:12:01,819 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:59" (1/1) ... [2023-11-21 22:12:01,851 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:12:01,852 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:12:01,852 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:12:01,852 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:12:01,853 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:59" (1/1) ... [2023-11-21 22:12:01,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:12:01,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f213f4-c232-4aea-a480-5a690f8b311b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:12:01,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f213f4-c232-4aea-a480-5a690f8b311b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:12:01,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f213f4-c232-4aea-a480-5a690f8b311b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:12:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-21 22:12:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-11-21 22:12:01,929 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-11-21 22:12:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure backend_switch_state [2023-11-21 22:12:01,929 INFO L138 BoogieDeclarations]: Found implementation of procedure backend_switch_state [2023-11-21 22:12:01,930 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2023-11-21 22:12:01,930 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2023-11-21 22:12:01,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 22:12:01,930 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 22:12:01,931 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hotplug_status_watch [2023-11-21 22:12:01,931 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hotplug_status_watch [2023-11-21 22:12:01,931 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-11-21 22:12:01,932 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-11-21 22:12:01,932 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_unmap_frontend_rings [2023-11-21 22:12:01,933 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_unmap_frontend_rings [2023-11-21 22:12:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 22:12:01,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 22:12:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_xenbus_watch [2023-11-21 22:12:01,933 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_xenbus_watch [2023-11-21 22:12:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_scanf [2023-11-21 22:12:01,934 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_scanf [2023-11-21 22:12:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_kick_thread [2023-11-21 22:12:01,934 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_kick_thread [2023-11-21 22:12:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-21 22:12:01,935 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-21 22:12:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_map_ring_valloc [2023-11-21 22:12:01,935 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_map_ring_valloc [2023-11-21 22:12:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-21 22:12:01,935 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-21 22:12:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure add_uevent_var [2023-11-21 22:12:01,935 INFO L138 BoogieDeclarations]: Found implementation of procedure add_uevent_var [2023-11-21 22:12:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-21 22:12:01,936 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-21 22:12:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_read_rate [2023-11-21 22:12:01,936 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_read_rate [2023-11-21 22:12:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-21 22:12:01,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-21 22:12:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-21 22:12:01,937 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-21 22:12:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-21 22:12:01,938 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-21 22:12:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-21 22:12:01,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-21 22:12:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure netback_uevent [2023-11-21 22:12:01,938 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_uevent [2023-11-21 22:12:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-21 22:12:01,939 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-21 22:12:01,939 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_carrier_off [2023-11-21 22:12:01,939 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_carrier_off [2023-11-21 22:12:01,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:12:01,939 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2023-11-21 22:12:01,939 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2023-11-21 22:12:01,939 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-21 22:12:01,940 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-21 22:12:01,940 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-21 22:12:01,940 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-21 22:12:01,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 22:12:01,941 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2023-11-21 22:12:01,941 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2023-11-21 22:12:01,941 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-21 22:12:01,941 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-21 22:12:01,942 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-21 22:12:01,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-21 22:12:01,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 22:12:01,942 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2023-11-21 22:12:01,942 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2023-11-21 22:12:01,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:12:01,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 22:12:01,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 22:12:01,944 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_deinit_queue [2023-11-21 22:12:01,944 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_deinit_queue [2023-11-21 22:12:01,944 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2023-11-21 22:12:01,944 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2023-11-21 22:12:01,944 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_to_xenbus_device [2023-11-21 22:12:01,945 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_to_xenbus_device [2023-11-21 22:12:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_watchers [2023-11-21 22:12:01,946 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_watchers [2023-11-21 22:12:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-21 22:12:01,946 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-21 22:12:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-21 22:12:01,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-21 22:12:01,947 INFO L130 BoogieDeclarations]: Found specification of procedure frontend_changed [2023-11-21 22:12:01,947 INFO L138 BoogieDeclarations]: Found implementation of procedure frontend_changed [2023-11-21 22:12:01,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:12:01,947 INFO L130 BoogieDeclarations]: Found specification of procedure set_backend_state [2023-11-21 22:12:01,948 INFO L138 BoogieDeclarations]: Found implementation of procedure set_backend_state [2023-11-21 22:12:01,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:12:01,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:12:01,949 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_write_io_ring [2023-11-21 22:12:01,949 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_write_io_ring [2023-11-21 22:12:01,949 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2023-11-21 22:12:01,949 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2023-11-21 22:12:01,950 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2023-11-21 22:12:01,950 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2023-11-21 22:12:01,950 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_strstate [2023-11-21 22:12:01,950 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_strstate [2023-11-21 22:12:01,951 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_create_on_node [2023-11-21 22:12:01,951 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_create_on_node [2023-11-21 22:12:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-21 22:12:01,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-21 22:12:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-21 22:12:01,955 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-21 22:12:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_dev_fatal [2023-11-21 22:12:01,956 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_dev_fatal [2023-11-21 22:12:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:12:01,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:12:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-21 22:12:01,964 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-21 22:12:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 22:12:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 22:12:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_disconnect [2023-11-21 22:12:01,965 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_disconnect [2023-11-21 22:12:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 22:12:01,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 22:12:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2023-11-21 22:12:01,966 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2023-11-21 22:12:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_down [2023-11-21 22:12:01,967 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_down [2023-11-21 22:12:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-21 22:12:01,967 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-21 22:12:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure bind_interdomain_evtchn_to_irqhandler [2023-11-21 22:12:01,967 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_interdomain_evtchn_to_irqhandler [2023-11-21 22:12:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2023-11-21 22:12:01,968 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2023-11-21 22:12:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-21 22:12:01,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-21 22:12:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2023-11-21 22:12:01,968 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2023-11-21 22:12:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-21 22:12:01,968 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-21 22:12:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_fix_features [2023-11-21 22:12:01,969 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_fix_features [2023-11-21 22:12:01,969 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2023-11-21 22:12:01,969 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2023-11-21 22:12:01,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-21 22:12:01,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-21 22:12:01,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 22:12:01,970 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 22:12:01,970 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:12:01,970 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:12:01,970 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2023-11-21 22:12:01,970 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2023-11-21 22:12:01,970 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-21 22:12:01,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-21 22:12:01,971 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_up [2023-11-21 22:12:01,971 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_up [2023-11-21 22:12:01,971 INFO L130 BoogieDeclarations]: Found specification of procedure get_jiffies_64 [2023-11-21 22:12:01,971 INFO L138 BoogieDeclarations]: Found implementation of procedure get_jiffies_64 [2023-11-21 22:12:01,971 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-21 22:12:01,971 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-21 22:12:01,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:12:01,972 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_printf [2023-11-21 22:12:01,972 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_printf [2023-11-21 22:12:01,972 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-21 22:12:01,972 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-21 22:12:01,972 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_unmap_ring_vfree [2023-11-21 22:12:01,972 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_unmap_ring_vfree [2023-11-21 22:12:01,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:12:01,972 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_change_mtu [2023-11-21 22:12:01,973 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_change_mtu [2023-11-21 22:12:01,973 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2023-11-21 22:12:01,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2023-11-21 22:12:01,973 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read [2023-11-21 22:12:01,973 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read [2023-11-21 22:12:01,973 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-11-21 22:12:01,974 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-11-21 22:12:01,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 22:12:01,974 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 22:12:01,974 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 22:12:01,974 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-21 22:12:01,974 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-21 22:12:01,974 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-21 22:12:01,975 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-21 22:12:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-21 22:12:01,975 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-21 22:12:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-21 22:12:01,975 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-21 22:12:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2023-11-21 22:12:01,975 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2023-11-21 22:12:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-21 22:12:01,976 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-21 22:12:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure netback_remove [2023-11-21 22:12:01,976 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_remove [2023-11-21 22:12:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-21 22:12:01,976 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-21 22:12:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 22:12:01,976 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 22:12:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:12:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-21 22:12:01,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-21 22:12:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 22:12:01,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 22:12:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_gather [2023-11-21 22:12:01,977 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_gather [2023-11-21 22:12:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2023-11-21 22:12:01,978 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2023-11-21 22:12:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_napi_schedule_or_enable_events [2023-11-21 22:12:01,978 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_napi_schedule_or_enable_events [2023-11-21 22:12:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-21 22:12:01,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-21 22:12:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-21 22:12:01,978 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-21 22:12:01,979 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-11-21 22:12:01,979 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-11-21 22:12:01,979 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-21 22:12:01,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-21 22:12:01,979 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-21 22:12:01,979 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-21 22:12:01,979 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-21 22:12:01,979 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-21 22:12:01,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:12:01,980 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_stats [2023-11-21 22:12:01,980 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_stats [2023-11-21 22:12:02,687 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:12:02,692 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:12:03,035 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 22:12:12,028 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:12:13,509 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:12:13,509 INFO L308 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-21 22:12:13,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:12:13 BoogieIcfgContainer [2023-11-21 22:12:13,512 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:12:13,514 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:12:13,514 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:12:13,517 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:12:13,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:11:54" (1/3) ... [2023-11-21 22:12:13,518 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c61260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:12:13, skipping insertion in model container [2023-11-21 22:12:13,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:59" (2/3) ... [2023-11-21 22:12:13,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c61260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:12:13, skipping insertion in model container [2023-11-21 22:12:13,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:12:13" (3/3) ... [2023-11-21 22:12:13,522 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2023-11-21 22:12:13,543 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:12:13,543 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:12:13,642 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:12:13,651 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3731754e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:12:13,652 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:12:13,662 INFO L276 IsEmpty]: Start isEmpty. Operand has 1166 states, 732 states have (on average 1.3319672131147542) internal successors, (975), 769 states have internal predecessors, (975), 335 states have call successors, (335), 98 states have call predecessors, (335), 97 states have return successors, (329), 317 states have call predecessors, (329), 329 states have call successors, (329) [2023-11-21 22:12:13,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 22:12:13,674 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:12:13,674 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:12:13,675 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:12:13,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:12:13,680 INFO L85 PathProgramCache]: Analyzing trace with hash 375188565, now seen corresponding path program 1 times [2023-11-21 22:12:13,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:12:13,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974552514] [2023-11-21 22:12:13,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:12:13,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:12:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:14,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:12:14,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:12:14,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974552514] [2023-11-21 22:12:14,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974552514] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:12:14,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:12:14,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:12:14,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822680851] [2023-11-21 22:12:14,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:12:14,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:12:14,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:12:14,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:12:14,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:12:14,536 INFO L87 Difference]: Start difference. First operand has 1166 states, 732 states have (on average 1.3319672131147542) internal successors, (975), 769 states have internal predecessors, (975), 335 states have call successors, (335), 98 states have call predecessors, (335), 97 states have return successors, (329), 317 states have call predecessors, (329), 329 states have call successors, (329) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:12:17,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:12:18,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:12:18,404 INFO L93 Difference]: Finished difference Result 3490 states and 4935 transitions. [2023-11-21 22:12:18,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:12:18,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-11-21 22:12:18,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:12:18,439 INFO L225 Difference]: With dead ends: 3490 [2023-11-21 22:12:18,439 INFO L226 Difference]: Without dead ends: 2282 [2023-11-21 22:12:18,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:12:18,460 INFO L413 NwaCegarLoop]: 1450 mSDtfsCounter, 1616 mSDsluCounter, 1447 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1616 SdHoareTripleChecker+Valid, 2897 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-21 22:12:18,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1616 Valid, 2897 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-21 22:12:18,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2282 states. [2023-11-21 22:12:18,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2282 to 2273. [2023-11-21 22:12:18,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2273 states, 1428 states have (on average 1.3102240896358543) internal successors, (1871), 1484 states have internal predecessors, (1871), 653 states have call successors, (653), 192 states have call predecessors, (653), 191 states have return successors, (651), 626 states have call predecessors, (651), 651 states have call successors, (651) [2023-11-21 22:12:18,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 2273 states and 3175 transitions. [2023-11-21 22:12:18,711 INFO L78 Accepts]: Start accepts. Automaton has 2273 states and 3175 transitions. Word has length 17 [2023-11-21 22:12:18,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:12:18,712 INFO L495 AbstractCegarLoop]: Abstraction has 2273 states and 3175 transitions. [2023-11-21 22:12:18,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:12:18,712 INFO L276 IsEmpty]: Start isEmpty. Operand 2273 states and 3175 transitions. [2023-11-21 22:12:18,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-21 22:12:18,732 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:12:18,732 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:12:18,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:12:18,733 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:12:18,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:12:18,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1424592187, now seen corresponding path program 1 times [2023-11-21 22:12:18,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:12:18,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474390109] [2023-11-21 22:12:18,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:12:18,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:12:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:19,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-21 22:12:19,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:19,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:12:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:19,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:12:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:19,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-21 22:12:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:19,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:12:19,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:19,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:12:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:19,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-21 22:12:19,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:19,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:12:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:19,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-21 22:12:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:19,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-21 22:12:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:19,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-21 22:12:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:19,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-21 22:12:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:19,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-21 22:12:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:19,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-21 22:12:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:19,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-21 22:12:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:19,532 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 22:12:19,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:12:19,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474390109] [2023-11-21 22:12:19,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474390109] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:12:19,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:12:19,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-21 22:12:19,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029582509] [2023-11-21 22:12:19,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:12:19,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-21 22:12:19,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:12:19,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-21 22:12:19,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2023-11-21 22:12:19,538 INFO L87 Difference]: Start difference. First operand 2273 states and 3175 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-21 22:12:22,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:12:25,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:12:27,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:12:29,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:12:31,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:12:36,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []