./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.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_1f970498-dffd-442a-b33e-8acdb4f313ad/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f970498-dffd-442a-b33e-8acdb4f313ad/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_1f970498-dffd-442a-b33e-8acdb4f313ad/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f970498-dffd-442a-b33e-8acdb4f313ad/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f970498-dffd-442a-b33e-8acdb4f313ad/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_1f970498-dffd-442a-b33e-8acdb4f313ad/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 703e94f355bedf71f08615991c8952ad9d697212a5aadf602ce53b4c002ae155 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:00:38,288 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:00:38,412 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f970498-dffd-442a-b33e-8acdb4f313ad/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 21:00:38,425 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:00:38,425 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:00:38,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:00:38,468 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:00:38,469 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:00:38,470 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 21:00:38,475 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 21:00:38,476 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:00:38,477 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:00:38,478 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:00:38,479 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:00:38,480 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:00:38,480 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:00:38,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 21:00:38,481 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 21:00:38,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:00:38,482 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 21:00:38,483 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:00:38,483 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 21:00:38,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:00:38,484 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:00:38,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:00:38,485 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:00:38,486 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 21:00:38,486 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:00:38,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:00:38,487 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:00:38,489 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:00:38,489 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 21:00:38,489 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 21:00:38,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 21:00:38,490 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:00:38,490 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 21:00:38,490 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 21:00:38,491 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 21:00:38,491 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 21:00:38,491 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_1f970498-dffd-442a-b33e-8acdb4f313ad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f970498-dffd-442a-b33e-8acdb4f313ad/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 703e94f355bedf71f08615991c8952ad9d697212a5aadf602ce53b4c002ae155 [2023-11-21 21:00:38,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:00:38,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:00:38,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:00:38,811 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:00:38,811 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:00:38,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f970498-dffd-442a-b33e-8acdb4f313ad/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i [2023-11-21 21:00:41,860 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:00:42,572 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:00:42,574 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f970498-dffd-442a-b33e-8acdb4f313ad/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i [2023-11-21 21:00:42,630 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f970498-dffd-442a-b33e-8acdb4f313ad/bin/uautomizer-verify-bycVGegfSx/data/512a0a159/e0309c87005246c4a478fc73e2365f7b/FLAGfbca0e127 [2023-11-21 21:00:42,646 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f970498-dffd-442a-b33e-8acdb4f313ad/bin/uautomizer-verify-bycVGegfSx/data/512a0a159/e0309c87005246c4a478fc73e2365f7b [2023-11-21 21:00:42,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:00:42,650 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:00:42,652 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:00:42,652 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:00:42,657 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:00:42,658 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:00:42" (1/1) ... [2023-11-21 21:00:42,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6293b7bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:42, skipping insertion in model container [2023-11-21 21:00:42,660 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:00:42" (1/1) ... [2023-11-21 21:00:42,901 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:00:43,501 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5693] [2023-11-21 21:00:43,501 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5694-5695] [2023-11-21 21:00:44,402 WARN L635 FunctionHandler]: implicit declaration of function ldv_assume [2023-11-21 21:00:44,441 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_1f970498-dffd-442a-b33e-8acdb4f313ad/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i[183731,183744] [2023-11-21 21:00:46,607 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:00:46,687 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:00:46,958 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5693] [2023-11-21 21:00:46,958 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5694-5695] [2023-11-21 21:00:46,961 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"); [5777] [2023-11-21 21:00:46,963 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5784] [2023-11-21 21:00:46,963 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)); [5791] [2023-11-21 21:00:46,965 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [5805-5806] [2023-11-21 21:00:46,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5879] [2023-11-21 21:00:46,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5882] [2023-11-21 21:00:46,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5885] [2023-11-21 21:00:46,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5888] [2023-11-21 21:00:46,974 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)); [5932] [2023-11-21 21:00:46,974 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)); [5939] [2023-11-21 21:00:46,975 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"); [5947-5948] [2023-11-21 21:00:46,976 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; incq %0": "=m" (v->counter): "m" (v->counter)); [5968] [2023-11-21 21:00:46,976 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; decq %0": "=m" (v->counter): "m" (v->counter)); [5975] [2023-11-21 21:00:46,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [6033] [2023-11-21 21:00:46,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [6036] [2023-11-21 21:00:46,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [6038] [2023-11-21 21:00:46,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [6043] [2023-11-21 21:00:46,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [6046] [2023-11-21 21:00:46,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [6048] [2023-11-21 21:00:46,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [6053] [2023-11-21 21:00:46,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [6056] [2023-11-21 21:00:46,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [6058] [2023-11-21 21:00:46,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [6063] [2023-11-21 21:00:46,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [6066] [2023-11-21 21:00:46,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [6068] [2023-11-21 21:00:46,984 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [6086] [2023-11-21 21:00:46,985 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [6089] [2023-11-21 21:00:46,985 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [6091] [2023-11-21 21:00:46,986 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [6096] [2023-11-21 21:00:46,986 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [6099] [2023-11-21 21:00:46,987 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [6101] [2023-11-21 21:00:46,987 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [6106] [2023-11-21 21:00:46,988 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [6109] [2023-11-21 21:00:46,988 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [6111] [2023-11-21 21:00:46,988 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [6116] [2023-11-21 21:00:46,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [6119] [2023-11-21 21:00:46,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [6121] [2023-11-21 21:00:46,994 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6238] [2023-11-21 21:00:46,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6245] [2023-11-21 21:00:47,002 WARN L635 FunctionHandler]: implicit declaration of function ldv_assume [2023-11-21 21:00:47,004 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_1f970498-dffd-442a-b33e-8acdb4f313ad/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i[183731,183744] [2023-11-21 21:00:47,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1,%0\n adcl $0xffff,%0": "=r" (sum): "r" (sum << 16), "0" (sum & 4294901760U)); [6644] [2023-11-21 21:00:47,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7291] [2023-11-21 21:00:47,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7319] [2023-11-21 21:00:47,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (sk->sk_err): : "memory", "cc"); [7339-7340] [2023-11-21 21:00:47,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (sk->sk_err): : "memory", "cc"); [7343-7344] [2023-11-21 21:00:47,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (sk->sk_err): : "memory", "cc"); [7347-7348] [2023-11-21 21:00:47,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (sk->sk_err): : "memory", "cc"); [7351-7352] [2023-11-21 21:00:47,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7504] [2023-11-21 21:00:47,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8883] [2023-11-21 21:00:47,393 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [10108] [2023-11-21 21:00:47,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [10111] [2023-11-21 21:00:47,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [10114] [2023-11-21 21:00:47,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [10117] [2023-11-21 21:00:47,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [10120] [2023-11-21 21:00:47,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)arg): "ebx"); [10135-10136] [2023-11-21 21:00:47,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)arg): "ebx"); [10139-10140] [2023-11-21 21:00:47,398 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)arg): "ebx"); [10143-10144] [2023-11-21 21:00:47,398 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)arg): "ebx"); [10147-10148] [2023-11-21 21:00:47,398 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)arg): "ebx"); [10151-10152] [2023-11-21 21:00:47,460 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [11767] [2023-11-21 21:00:47,463 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; decq %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [11817-11818] [2023-11-21 21:00:47,464 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; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [11829-11830] [2023-11-21 21:00:47,464 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; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [11833-11834] [2023-11-21 21:00:47,465 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; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [11837-11838] [2023-11-21 21:00:47,465 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; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [11841-11842] [2023-11-21 21:00:47,477 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--net--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/1411/dscv_tempdir/dscv/ri/43_2a/net/unix/garbage.o.c.prepared"), "i" (191), "i" (12UL)); [12026-12027] [2023-11-21 21:00:47,477 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--net--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/1411/dscv_tempdir/dscv/ri/43_2a/net/unix/garbage.o.c.prepared"), "i" (194), "i" (12UL)); [12037-12038] [2023-11-21 21:00:47,479 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--net--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/1411/dscv_tempdir/dscv/ri/43_2a/net/unix/garbage.o.c.prepared"), "i" (207), "i" (12UL)); [12068-12069] [2023-11-21 21:00:47,483 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--net--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/1411/dscv_tempdir/dscv/ri/43_2a/net/unix/garbage.o.c.prepared"), "i" (285), "i" (12UL)); [12175-12176] [2023-11-21 21:00:47,488 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--net--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/1411/dscv_tempdir/dscv/ri/43_2a/net/unix/garbage.o.c.prepared"), "i" (373), "i" (12UL)); [12310-12311] [2023-11-21 21:00:47,489 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--net--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/1411/dscv_tempdir/dscv/ri/43_2a/net/unix/garbage.o.c.prepared"), "i" (374), "i" (12UL)); [12318-12319] [2023-11-21 21:00:47,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--net--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/1411/dscv_tempdir/dscv/ri/43_2a/net/unix/garbage.o.c.prepared"), "i" (439), "i" (12UL)); [12400-12401] [2023-11-21 21:00:47,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:00:47,779 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:00:47,780 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:00:47,780 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:00:47,780 WARN L675 CHandler]: The function ldv_is_err is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:00:47,780 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:00:47,780 WARN L675 CHandler]: The function ldv_assume is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:00:47,780 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:00:47,788 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:00:47,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:47 WrapperNode [2023-11-21 21:00:47,789 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:00:47,790 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:00:47,790 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:00:47,790 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:00:47,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:47" (1/1) ... [2023-11-21 21:00:47,926 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:47" (1/1) ... [2023-11-21 21:00:48,223 INFO L138 Inliner]: procedures = 456, calls = 2288, calls flagged for inlining = 219, calls inlined = 217, statements flattened = 7774 [2023-11-21 21:00:48,224 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:00:48,224 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:00:48,225 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:00:48,225 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:00:48,237 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:47" (1/1) ... [2023-11-21 21:00:48,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:47" (1/1) ... [2023-11-21 21:00:48,316 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:47" (1/1) ... [2023-11-21 21:00:51,681 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 21:00:51,681 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:47" (1/1) ... [2023-11-21 21:00:51,681 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:47" (1/1) ... [2023-11-21 21:00:51,860 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:47" (1/1) ... [2023-11-21 21:00:51,915 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:47" (1/1) ... [2023-11-21 21:00:51,952 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:47" (1/1) ... [2023-11-21 21:00:51,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:47" (1/1) ... [2023-11-21 21:00:52,039 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:00:52,041 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:00:52,041 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:00:52,042 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:00:52,043 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:47" (1/1) ... [2023-11-21 21:00:52,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:00:52,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f970498-dffd-442a-b33e-8acdb4f313ad/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:52,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f970498-dffd-442a-b33e-8acdb4f313ad/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:52,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f970498-dffd-442a-b33e-8acdb4f313ad/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 21:00:52,115 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-21 21:00:52,115 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-21 21:00:52,115 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-21 21:00:52,115 INFO L130 BoogieDeclarations]: Found specification of procedure unix_gc [2023-11-21 21:00:52,116 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_gc [2023-11-21 21:00:52,116 INFO L130 BoogieDeclarations]: Found specification of procedure unix_sysctl_unregister [2023-11-21 21:00:52,116 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_sysctl_unregister [2023-11-21 21:00:52,116 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-11-21 21:00:52,116 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-11-21 21:00:52,116 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2023-11-21 21:00:52,117 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2023-11-21 21:00:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-21 21:00:52,117 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-21 21:00:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure sock_sndtimeo [2023-11-21 21:00:52,117 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_sndtimeo [2023-11-21 21:00:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-21 21:00:52,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-21 21:00:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 21:00:52,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 21:00:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure unix_release_addr [2023-11-21 21:00:52,118 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_release_addr [2023-11-21 21:00:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure unix_state_double_lock [2023-11-21 21:00:52,119 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_state_double_lock [2023-11-21 21:00:52,119 INFO L130 BoogieDeclarations]: Found specification of procedure unix_set_peek_off [2023-11-21 21:00:52,119 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_set_peek_off [2023-11-21 21:00:52,119 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-11-21 21:00:52,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-11-21 21:00:52,119 INFO L130 BoogieDeclarations]: Found specification of procedure unix_dgram_disconnected [2023-11-21 21:00:52,120 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_dgram_disconnected [2023-11-21 21:00:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure __clear_bit [2023-11-21 21:00:52,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __clear_bit [2023-11-21 21:00:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure scm_destroy [2023-11-21 21:00:52,120 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_destroy [2023-11-21 21:00:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure put_cmsg [2023-11-21 21:00:52,121 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cmsg [2023-11-21 21:00:52,121 INFO L130 BoogieDeclarations]: Found specification of procedure unix_create1 [2023-11-21 21:00:52,121 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_create1 [2023-11-21 21:00:52,121 INFO L130 BoogieDeclarations]: Found specification of procedure unix_dgram_poll [2023-11-21 21:00:52,121 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_dgram_poll [2023-11-21 21:00:52,121 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-21 21:00:52,122 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-21 21:00:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2023-11-21 21:00:52,122 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2023-11-21 21:00:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure unix_recvq_full [2023-11-21 21:00:52,122 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_recvq_full [2023-11-21 21:00:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-21 21:00:52,123 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2023-11-21 21:00:52,123 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2023-11-21 21:00:52,123 INFO L130 BoogieDeclarations]: Found specification of procedure unix_shutdown [2023-11-21 21:00:52,123 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_shutdown [2023-11-21 21:00:52,123 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 21:00:52,123 INFO L130 BoogieDeclarations]: Found specification of procedure scan_children [2023-11-21 21:00:52,124 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_children [2023-11-21 21:00:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-11-21 21:00:52,124 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-11-21 21:00:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure sk_peek_offset_fwd [2023-11-21 21:00:52,124 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_peek_offset_fwd [2023-11-21 21:00:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-21 21:00:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-21 21:00:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 21:00:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure unix_find_other [2023-11-21 21:00:52,125 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_find_other [2023-11-21 21:00:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure unix_scm_to_skb [2023-11-21 21:00:52,125 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_scm_to_skb [2023-11-21 21:00:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure scm_send [2023-11-21 21:00:52,126 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_send [2023-11-21 21:00:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure sk_set_socket [2023-11-21 21:00:52,126 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_set_socket [2023-11-21 21:00:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure unix_autobind [2023-11-21 21:00:52,126 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_autobind [2023-11-21 21:00:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-21 21:00:52,127 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-21 21:00:52,127 INFO L130 BoogieDeclarations]: Found specification of procedure unix_release_sock [2023-11-21 21:00:52,127 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_release_sock [2023-11-21 21:00:52,127 INFO L130 BoogieDeclarations]: Found specification of procedure sock_put [2023-11-21 21:00:52,127 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_put [2023-11-21 21:00:52,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 21:00:52,128 INFO L130 BoogieDeclarations]: Found specification of procedure unix_mkname [2023-11-21 21:00:52,128 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_mkname [2023-11-21 21:00:52,128 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-21 21:00:52,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-21 21:00:52,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 21:00:52,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-21 21:00:52,129 INFO L130 BoogieDeclarations]: Found specification of procedure sock_intr_errno [2023-11-21 21:00:52,129 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_intr_errno [2023-11-21 21:00:52,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 21:00:52,129 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_inc [2023-11-21 21:00:52,129 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_inc [2023-11-21 21:00:52,129 INFO L130 BoogieDeclarations]: Found specification of procedure unix_may_send [2023-11-21 21:00:52,130 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_may_send [2023-11-21 21:00:52,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 21:00:52,130 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 21:00:52,130 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2023-11-21 21:00:52,130 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2023-11-21 21:00:52,130 INFO L130 BoogieDeclarations]: Found specification of procedure __validate_creds [2023-11-21 21:00:52,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __validate_creds [2023-11-21 21:00:52,131 INFO L130 BoogieDeclarations]: Found specification of procedure unix_listen [2023-11-21 21:00:52,131 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_listen [2023-11-21 21:00:52,131 INFO L130 BoogieDeclarations]: Found specification of procedure sk_sleep [2023-11-21 21:00:52,131 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_sleep [2023-11-21 21:00:52,131 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-21 21:00:52,131 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-21 21:00:52,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-21 21:00:52,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-21 21:00:52,132 INFO L130 BoogieDeclarations]: Found specification of procedure seq_file_net [2023-11-21 21:00:52,132 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_file_net [2023-11-21 21:00:52,132 INFO L130 BoogieDeclarations]: Found specification of procedure kiocb_to_siocb [2023-11-21 21:00:52,132 INFO L138 BoogieDeclarations]: Found implementation of procedure kiocb_to_siocb [2023-11-21 21:00:52,132 INFO L130 BoogieDeclarations]: Found specification of procedure init_peercred [2023-11-21 21:00:52,133 INFO L138 BoogieDeclarations]: Found implementation of procedure init_peercred [2023-11-21 21:00:52,133 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-21 21:00:52,133 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-21 21:00:52,133 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2023-11-21 21:00:52,133 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2023-11-21 21:00:52,133 INFO L130 BoogieDeclarations]: Found specification of procedure unix_dgram_sendmsg [2023-11-21 21:00:52,133 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_dgram_sendmsg [2023-11-21 21:00:52,134 INFO L130 BoogieDeclarations]: Found specification of procedure unix_stream_connect [2023-11-21 21:00:52,134 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_stream_connect [2023-11-21 21:00:52,134 INFO L130 BoogieDeclarations]: Found specification of procedure get_cred [2023-11-21 21:00:52,134 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cred [2023-11-21 21:00:52,134 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_dec [2023-11-21 21:00:52,134 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_dec [2023-11-21 21:00:52,135 INFO L130 BoogieDeclarations]: Found specification of procedure unix_skb_len [2023-11-21 21:00:52,135 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_skb_len [2023-11-21 21:00:52,135 INFO L130 BoogieDeclarations]: Found specification of procedure sock_flag [2023-11-21 21:00:52,135 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_flag [2023-11-21 21:00:52,135 INFO L130 BoogieDeclarations]: Found specification of procedure unix_state_double_unlock [2023-11-21 21:00:52,135 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_state_double_unlock [2023-11-21 21:00:52,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 21:00:52,136 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-21 21:00:52,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-21 21:00:52,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:00:52,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 21:00:52,136 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-21 21:00:52,136 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 21:00:52,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 21:00:52,137 INFO L130 BoogieDeclarations]: Found specification of procedure unix_net_exit [2023-11-21 21:00:52,137 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_net_exit [2023-11-21 21:00:52,137 INFO L130 BoogieDeclarations]: Found specification of procedure unix_detach_fds [2023-11-21 21:00:52,137 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_detach_fds [2023-11-21 21:00:52,137 INFO L130 BoogieDeclarations]: Found specification of procedure touch_atime [2023-11-21 21:00:52,137 INFO L138 BoogieDeclarations]: Found implementation of procedure touch_atime [2023-11-21 21:00:52,138 INFO L130 BoogieDeclarations]: Found specification of procedure unix_seq_stop [2023-11-21 21:00:52,138 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_seq_stop [2023-11-21 21:00:52,138 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-21 21:00:52,138 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-21 21:00:52,138 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2023-11-21 21:00:52,138 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2023-11-21 21:00:52,138 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_iovec [2023-11-21 21:00:52,139 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_iovec [2023-11-21 21:00:52,139 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-21 21:00:52,139 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-21 21:00:52,139 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-21 21:00:52,139 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-21 21:00:52,139 INFO L130 BoogieDeclarations]: Found specification of procedure unix_accept [2023-11-21 21:00:52,139 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_accept [2023-11-21 21:00:52,140 INFO L130 BoogieDeclarations]: Found specification of procedure unix_dgram_recvmsg [2023-11-21 21:00:52,140 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_dgram_recvmsg [2023-11-21 21:00:52,140 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-21 21:00:52,140 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-21 21:00:52,140 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-11-21 21:00:52,140 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-11-21 21:00:52,141 INFO L130 BoogieDeclarations]: Found specification of procedure unix_wait_for_peer [2023-11-21 21:00:52,141 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_wait_for_peer [2023-11-21 21:00:52,141 INFO L130 BoogieDeclarations]: Found specification of procedure unix_hash_fold [2023-11-21 21:00:52,141 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_hash_fold [2023-11-21 21:00:52,141 INFO L130 BoogieDeclarations]: Found specification of procedure scan_inflight [2023-11-21 21:00:52,141 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_inflight [2023-11-21 21:00:52,141 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-11-21 21:00:52,142 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-11-21 21:00:52,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:00:52,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:00:52,142 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-21 21:00:52,142 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-21 21:00:52,142 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2023-11-21 21:00:52,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2023-11-21 21:00:52,143 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2023-11-21 21:00:52,143 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2023-11-21 21:00:52,143 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2023-11-21 21:00:52,143 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2023-11-21 21:00:52,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 21:00:52,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 21:00:52,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 21:00:52,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 21:00:52,144 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2023-11-21 21:00:52,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2023-11-21 21:00:52,144 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-21 21:00:52,144 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-21 21:00:52,144 INFO L130 BoogieDeclarations]: Found specification of procedure unix_peer_get [2023-11-21 21:00:52,144 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_peer_get [2023-11-21 21:00:52,145 INFO L130 BoogieDeclarations]: Found specification of procedure unix_bind [2023-11-21 21:00:52,145 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_bind [2023-11-21 21:00:52,145 INFO L130 BoogieDeclarations]: Found specification of procedure sock_hold [2023-11-21 21:00:52,145 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_hold [2023-11-21 21:00:52,145 INFO L130 BoogieDeclarations]: Found specification of procedure unix_copy_addr [2023-11-21 21:00:52,145 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_copy_addr [2023-11-21 21:00:52,146 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2023-11-21 21:00:52,146 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2023-11-21 21:00:52,146 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-21 21:00:52,146 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-21 21:00:52,146 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-21 21:00:52,146 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-21 21:00:52,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-21 21:00:52,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-21 21:00:52,147 INFO L130 BoogieDeclarations]: Found specification of procedure sock_poll_wait [2023-11-21 21:00:52,147 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_poll_wait [2023-11-21 21:00:52,147 INFO L130 BoogieDeclarations]: Found specification of procedure __unix_find_socket_byname [2023-11-21 21:00:52,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __unix_find_socket_byname [2023-11-21 21:00:52,147 INFO L130 BoogieDeclarations]: Found specification of procedure sock_net [2023-11-21 21:00:52,148 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_net [2023-11-21 21:00:52,148 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-21 21:00:52,148 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-21 21:00:52,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 21:00:52,148 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 21:00:52,148 INFO L130 BoogieDeclarations]: Found specification of procedure scm_recv [2023-11-21 21:00:52,148 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_recv [2023-11-21 21:00:52,149 INFO L130 BoogieDeclarations]: Found specification of procedure unix_release [2023-11-21 21:00:52,149 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_release [2023-11-21 21:00:52,149 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 21:00:52,149 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 21:00:52,149 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2023-11-21 21:00:52,149 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2023-11-21 21:00:52,149 INFO L130 BoogieDeclarations]: Found specification of procedure sock_no_getsockopt [2023-11-21 21:00:52,150 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_no_getsockopt [2023-11-21 21:00:52,150 INFO L130 BoogieDeclarations]: Found specification of procedure sock_alloc_send_pskb [2023-11-21 21:00:52,150 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_alloc_send_pskb [2023-11-21 21:00:52,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 21:00:52,150 INFO L130 BoogieDeclarations]: Found specification of procedure sk_peek_offset [2023-11-21 21:00:52,150 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_peek_offset [2023-11-21 21:00:52,150 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-21 21:00:52,151 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-21 21:00:52,151 INFO L130 BoogieDeclarations]: Found specification of procedure unix_get_socket [2023-11-21 21:00:52,151 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_get_socket [2023-11-21 21:00:52,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 21:00:52,151 INFO L130 BoogieDeclarations]: Found specification of procedure sk_unhashed [2023-11-21 21:00:52,151 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_unhashed [2023-11-21 21:00:52,152 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-11-21 21:00:52,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-11-21 21:00:52,152 INFO L130 BoogieDeclarations]: Found specification of procedure get_pid [2023-11-21 21:00:52,152 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pid [2023-11-21 21:00:52,152 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2023-11-21 21:00:52,152 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2023-11-21 21:00:52,152 INFO L130 BoogieDeclarations]: Found specification of procedure scm_set_cred [2023-11-21 21:00:52,153 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_set_cred [2023-11-21 21:00:52,153 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2023-11-21 21:00:52,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2023-11-21 21:00:52,153 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-21 21:00:52,153 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-21 21:00:52,153 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2023-11-21 21:00:52,153 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2023-11-21 21:00:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure sk_wake_async [2023-11-21 21:00:52,154 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_wake_async [2023-11-21 21:00:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 21:00:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-21 21:00:52,154 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-21 21:00:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure maybe_add_creds [2023-11-21 21:00:52,154 INFO L138 BoogieDeclarations]: Found implementation of procedure maybe_add_creds [2023-11-21 21:00:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 21:00:52,155 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 21:00:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-21 21:00:52,155 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-21 21:00:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure skb_free_datagram [2023-11-21 21:00:52,155 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_free_datagram [2023-11-21 21:00:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-21 21:00:52,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-21 21:00:52,156 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_from_iovec [2023-11-21 21:00:52,156 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_from_iovec [2023-11-21 21:00:52,156 INFO L130 BoogieDeclarations]: Found specification of procedure sock_prot_inuse_add [2023-11-21 21:00:52,156 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_prot_inuse_add [2023-11-21 21:00:52,156 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-21 21:00:52,156 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-21 21:00:52,157 INFO L130 BoogieDeclarations]: Found specification of procedure sk_next [2023-11-21 21:00:52,157 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_next [2023-11-21 21:00:52,157 INFO L130 BoogieDeclarations]: Found specification of procedure __unix_insert_socket [2023-11-21 21:00:52,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __unix_insert_socket [2023-11-21 21:00:52,157 INFO L130 BoogieDeclarations]: Found specification of procedure sock_error [2023-11-21 21:00:52,157 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_error [2023-11-21 21:00:52,157 INFO L130 BoogieDeclarations]: Found specification of procedure __unix_remove_socket [2023-11-21 21:00:52,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __unix_remove_socket [2023-11-21 21:00:52,158 INFO L130 BoogieDeclarations]: Found specification of procedure csum_partial [2023-11-21 21:00:52,158 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_partial [2023-11-21 21:00:52,158 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-21 21:00:52,158 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-21 21:00:52,158 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2023-11-21 21:00:52,158 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2023-11-21 21:00:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 21:00:52,159 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 21:00:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure scm_fp_dup [2023-11-21 21:00:52,159 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_fp_dup [2023-11-21 21:00:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure security_unix_may_send [2023-11-21 21:00:52,159 INFO L138 BoogieDeclarations]: Found implementation of procedure security_unix_may_send [2023-11-21 21:00:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 21:00:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure sock_no_mmap [2023-11-21 21:00:52,160 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_no_mmap [2023-11-21 21:00:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure scm_destroy_cred [2023-11-21 21:00:52,160 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_destroy_cred [2023-11-21 21:00:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 21:00:52,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 21:00:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure put_cred [2023-11-21 21:00:52,161 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cred [2023-11-21 21:00:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up_sync_key [2023-11-21 21:00:52,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up_sync_key [2023-11-21 21:00:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2023-11-21 21:00:52,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2023-11-21 21:00:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure task_tgid [2023-11-21 21:00:52,161 INFO L138 BoogieDeclarations]: Found implementation of procedure task_tgid [2023-11-21 21:00:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-21 21:00:52,162 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-21 21:00:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-21 21:00:52,162 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-21 21:00:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_unix_gc [2023-11-21 21:00:52,162 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_unix_gc [2023-11-21 21:00:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2023-11-21 21:00:52,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2023-11-21 21:00:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure unix_next_socket [2023-11-21 21:00:52,163 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_next_socket [2023-11-21 21:00:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure sock_no_setsockopt [2023-11-21 21:00:52,163 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_no_setsockopt [2023-11-21 21:00:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure sk_peek_offset_bwd [2023-11-21 21:00:52,163 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_peek_offset_bwd [2023-11-21 21:00:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-21 21:00:52,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-21 21:00:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure unix_writable [2023-11-21 21:00:52,164 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_writable [2023-11-21 21:00:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2023-11-21 21:00:52,164 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2023-11-21 21:00:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure unix_socketpair [2023-11-21 21:00:52,165 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_socketpair [2023-11-21 21:00:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure sock_no_sendpage [2023-11-21 21:00:52,165 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_no_sendpage [2023-11-21 21:00:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-21 21:00:52,165 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-21 21:00:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure unix_getname [2023-11-21 21:00:52,166 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_getname [2023-11-21 21:00:52,166 INFO L130 BoogieDeclarations]: Found specification of procedure unix_ioctl [2023-11-21 21:00:52,166 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_ioctl [2023-11-21 21:00:52,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 21:00:52,166 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_enable [2023-11-21 21:00:52,166 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_enable [2023-11-21 21:00:53,253 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:00:53,258 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:00:53,614 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 21:01:02,787 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:01:08,840 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:01:08,840 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 21:01:08,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:01:08 BoogieIcfgContainer [2023-11-21 21:01:08,843 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:01:08,846 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:01:08,846 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:01:08,849 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:01:08,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:00:42" (1/3) ... [2023-11-21 21:01:08,850 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d9d2447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:01:08, skipping insertion in model container [2023-11-21 21:01:08,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:47" (2/3) ... [2023-11-21 21:01:08,851 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d9d2447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:01:08, skipping insertion in model container [2023-11-21 21:01:08,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:01:08" (3/3) ... [2023-11-21 21:01:08,852 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i [2023-11-21 21:01:08,874 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:01:08,874 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 21:01:08,973 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 21:01:08,980 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;@7a0034bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:01:08,980 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 21:01:09,001 INFO L276 IsEmpty]: Start isEmpty. Operand has 2128 states, 1270 states have (on average 1.3614173228346456) internal successors, (1729), 1372 states have internal predecessors, (1729), 699 states have call successors, (699), 158 states have call predecessors, (699), 157 states have return successors, (690), 674 states have call predecessors, (690), 690 states have call successors, (690) [2023-11-21 21:01:09,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-11-21 21:01:09,063 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:01:09,064 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 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, 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 21:01:09,064 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:01:09,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:01:09,071 INFO L85 PathProgramCache]: Analyzing trace with hash -755177875, now seen corresponding path program 1 times [2023-11-21 21:01:09,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:01:09,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746147514] [2023-11-21 21:01:09,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:09,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:01:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:10,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:10,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:10,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-21 21:01:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:10,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-21 21:01:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:10,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-21 21:01:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:10,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-21 21:01:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:10,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 21:01:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:10,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-21 21:01:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:10,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-21 21:01:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:10,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-21 21:01:10,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:10,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-21 21:01:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:10,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 21:01:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:10,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-21 21:01:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:10,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-21 21:01:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:10,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-21 21:01:10,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:10,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-21 21:01:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:10,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-21 21:01:10,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:10,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-21 21:01:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:10,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-21 21:01:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:10,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-21 21:01:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:10,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-21 21:01:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:10,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-21 21:01:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:10,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-21 21:01:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:10,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-21 21:01:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:10,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-21 21:01:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:10,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-21 21:01:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:10,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-21 21:01:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:10,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-21 21:01:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:10,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-21 21:01:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:10,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-21 21:01:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:10,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-21 21:01:10,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:10,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-21 21:01:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:10,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1514 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1514 trivial. 0 not checked. [2023-11-21 21:01:10,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:01:10,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746147514] [2023-11-21 21:01:10,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746147514] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:01:10,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:01:10,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 21:01:10,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374408587] [2023-11-21 21:01:10,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:01:10,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 21:01:10,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:01:10,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 21:01:10,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 21:01:10,973 INFO L87 Difference]: Start difference. First operand has 2128 states, 1270 states have (on average 1.3614173228346456) internal successors, (1729), 1372 states have internal predecessors, (1729), 699 states have call successors, (699), 158 states have call predecessors, (699), 157 states have return successors, (690), 674 states have call predecessors, (690), 690 states have call successors, (690) Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-21 21:01:22,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:01:22,128 INFO L93 Difference]: Finished difference Result 6295 states and 9361 transitions. [2023-11-21 21:01:22,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 21:01:22,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 206 [2023-11-21 21:01:22,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:01:22,211 INFO L225 Difference]: With dead ends: 6295 [2023-11-21 21:01:22,211 INFO L226 Difference]: Without dead ends: 4187 [2023-11-21 21:01:22,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:01:22,237 INFO L413 NwaCegarLoop]: 2315 mSDtfsCounter, 3282 mSDsluCounter, 2787 mSDsCounter, 0 mSdLazyCounter, 2973 mSolverCounterSat, 1689 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3856 SdHoareTripleChecker+Valid, 5102 SdHoareTripleChecker+Invalid, 4662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1689 IncrementalHoareTripleChecker+Valid, 2973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2023-11-21 21:01:22,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3856 Valid, 5102 Invalid, 4662 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1689 Valid, 2973 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2023-11-21 21:01:22,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4187 states. [2023-11-21 21:01:22,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4187 to 4019. [2023-11-21 21:01:22,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4019 states, 2405 states have (on average 1.3467775467775467) internal successors, (3239), 2580 states have internal predecessors, (3239), 1303 states have call successors, (1303), 311 states have call predecessors, (1303), 310 states have return successors, (1302), 1273 states have call predecessors, (1302), 1302 states have call successors, (1302) [2023-11-21 21:01:22,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4019 states to 4019 states and 5844 transitions. [2023-11-21 21:01:22,656 INFO L78 Accepts]: Start accepts. Automaton has 4019 states and 5844 transitions. Word has length 206 [2023-11-21 21:01:22,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:01:22,661 INFO L495 AbstractCegarLoop]: Abstraction has 4019 states and 5844 transitions. [2023-11-21 21:01:22,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-21 21:01:22,661 INFO L276 IsEmpty]: Start isEmpty. Operand 4019 states and 5844 transitions. [2023-11-21 21:01:22,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-11-21 21:01:22,671 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:01:22,672 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 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, 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 21:01:22,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 21:01:22,672 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:01:22,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:01:22,673 INFO L85 PathProgramCache]: Analyzing trace with hash -720213649, now seen corresponding path program 1 times [2023-11-21 21:01:22,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:01:22,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116196050] [2023-11-21 21:01:22,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:22,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:01:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:23,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:23,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-21 21:01:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:23,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-21 21:01:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:23,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-21 21:01:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:23,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-21 21:01:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:23,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 21:01:23,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:23,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-21 21:01:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:23,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-21 21:01:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:23,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-21 21:01:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:23,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-21 21:01:23,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:23,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 21:01:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:23,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-21 21:01:23,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:23,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-21 21:01:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:23,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-21 21:01:23,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:23,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-21 21:01:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:23,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-21 21:01:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:23,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-21 21:01:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:23,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-21 21:01:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:23,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-21 21:01:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:23,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-21 21:01:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:23,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-21 21:01:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:23,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-21 21:01:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:23,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-21 21:01:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:23,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-21 21:01:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:23,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-21 21:01:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:23,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-21 21:01:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:23,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-21 21:01:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:23,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-21 21:01:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:23,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-21 21:01:23,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:23,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-11-21 21:01:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:23,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-11-21 21:01:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:23,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1514 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1514 trivial. 0 not checked. [2023-11-21 21:01:23,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:01:23,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116196050] [2023-11-21 21:01:23,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116196050] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:01:23,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:01:23,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 21:01:23,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425139028] [2023-11-21 21:01:23,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:01:23,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 21:01:23,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:01:23,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 21:01:23,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 21:01:23,558 INFO L87 Difference]: Start difference. First operand 4019 states and 5844 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31)