./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffa4bb4-4a33-4ab1-b8a3-2fed46503118/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffa4bb4-4a33-4ab1-b8a3-2fed46503118/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffa4bb4-4a33-4ab1-b8a3-2fed46503118/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffa4bb4-4a33-4ab1-b8a3-2fed46503118/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffa4bb4-4a33-4ab1-b8a3-2fed46503118/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffa4bb4-4a33-4ab1-b8a3-2fed46503118/bin/utaipan-verify-SwPr7d2a91 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9be531e7af87cba73be4f8246e93f3d32963d00e421fc44d0f45559eac1d9e7a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:53:55,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:53:55,385 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffa4bb4-4a33-4ab1-b8a3-2fed46503118/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:53:55,399 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:53:55,400 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:53:55,440 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:53:55,441 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:53:55,441 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:53:55,442 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:53:55,447 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:53:55,448 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:53:55,448 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:53:55,449 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:53:55,450 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:53:55,451 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:53:55,451 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:53:55,452 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:53:55,452 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:53:55,453 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:53:55,453 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:53:55,454 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:53:55,454 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:53:55,455 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:53:55,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:53:55,456 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:53:55,457 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:53:55,457 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:53:55,458 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:53:55,458 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:53:55,458 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:53:55,460 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:53:55,460 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:53:55,460 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:53:55,461 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:53:55,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:53:55,461 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:53:55,462 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:53:55,462 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:53:55,462 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:53:55,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:53:55,463 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:53:55,463 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:53:55,463 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:53:55,464 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:53:55,464 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_dffa4bb4-4a33-4ab1-b8a3-2fed46503118/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffa4bb4-4a33-4ab1-b8a3-2fed46503118/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9be531e7af87cba73be4f8246e93f3d32963d00e421fc44d0f45559eac1d9e7a [2023-11-24 23:53:55,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:53:55,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:53:55,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:53:55,766 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:53:55,766 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:53:55,768 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffa4bb4-4a33-4ab1-b8a3-2fed46503118/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2023-11-24 23:53:58,954 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:53:59,755 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:53:59,756 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffa4bb4-4a33-4ab1-b8a3-2fed46503118/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2023-11-24 23:53:59,823 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffa4bb4-4a33-4ab1-b8a3-2fed46503118/bin/utaipan-verify-SwPr7d2a91/data/7998181bf/9491aec44ad444fcb09665eba80236e3/FLAG18bd7f8b1 [2023-11-24 23:53:59,842 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffa4bb4-4a33-4ab1-b8a3-2fed46503118/bin/utaipan-verify-SwPr7d2a91/data/7998181bf/9491aec44ad444fcb09665eba80236e3 [2023-11-24 23:53:59,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:53:59,851 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:53:59,856 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:53:59,857 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:53:59,863 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:53:59,864 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:53:59" (1/1) ... [2023-11-24 23:53:59,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66ec46c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:59, skipping insertion in model container [2023-11-24 23:53:59,865 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:53:59" (1/1) ... [2023-11-24 23:54:00,076 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:54:03,322 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_dffa4bb4-4a33-4ab1-b8a3-2fed46503118/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i[354644,354657] [2023-11-24 23:54:03,400 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:54:03,488 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:54:03,638 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"); [5096] [2023-11-24 23:54:03,640 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)); [5103] [2023-11-24 23:54:03,642 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& cpu_tss.x86_tss.sp0)); [5152] [2023-11-24 23:54:03,643 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& cpu_tss.x86_tss.sp0)); [5155] [2023-11-24 23:54:03,643 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& cpu_tss.x86_tss.sp0)); [5158] [2023-11-24 23:54:03,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& cpu_tss.x86_tss.sp0)); [5161] [2023-11-24 23:54:03,645 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; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [5182-5183] [2023-11-24 23:54:03,645 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"); [5194-5195] [2023-11-24 23:54:03,646 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"); [5198-5199] [2023-11-24 23:54:03,647 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"); [5202-5203] [2023-11-24 23:54:03,647 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"); [5206-5207] [2023-11-24 23:54:03,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7666] [2023-11-24 23:54:03,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7668] [2023-11-24 23:54:03,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [7682] [2023-11-24 23:54:03,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7685] [2023-11-24 23:54:03,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7688] [2023-11-24 23:54:03,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7691] [2023-11-24 23:54:03,782 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)); [7716] [2023-11-24 23:54:03,783 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)); [7723] [2023-11-24 23:54:03,783 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"); [7731-7732] [2023-11-24 23:54:03,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [7745] [2023-11-24 23:54:03,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [7748] [2023-11-24 23:54:03,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [7750] [2023-11-24 23:54:03,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [7755] [2023-11-24 23:54:03,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [7758] [2023-11-24 23:54:03,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [7760] [2023-11-24 23:54:03,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [7765] [2023-11-24 23:54:03,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [7768] [2023-11-24 23:54:03,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [7770] [2023-11-24 23:54:03,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [7775] [2023-11-24 23:54:03,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [7778] [2023-11-24 23:54:03,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [7780] [2023-11-24 23:54:03,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [7798] [2023-11-24 23:54:03,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [7801] [2023-11-24 23:54:03,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [7803] [2023-11-24 23:54:03,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [7808] [2023-11-24 23:54:03,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [7811] [2023-11-24 23:54:03,797 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [7813] [2023-11-24 23:54:03,797 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [7818] [2023-11-24 23:54:03,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [7821] [2023-11-24 23:54:03,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [7823] [2023-11-24 23:54:03,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [7828] [2023-11-24 23:54:03,802 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [7831] [2023-11-24 23:54:03,802 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [7833] [2023-11-24 23:54:03,804 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7859] [2023-11-24 23:54:03,804 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7866] [2023-11-24 23:54:04,157 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_dffa4bb4-4a33-4ab1-b8a3-2fed46503118/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i[354644,354657] [2023-11-24 23:54:04,171 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:54:04,371 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:54:04,372 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:54:04,372 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:54:04,373 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:54:04,382 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:54:04,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:04 WrapperNode [2023-11-24 23:54:04,383 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:54:04,384 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:54:04,385 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:54:04,385 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:54:04,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:04" (1/1) ... [2023-11-24 23:54:04,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:04" (1/1) ... [2023-11-24 23:54:04,906 INFO L138 Inliner]: procedures = 371, calls = 4466, calls flagged for inlining = 169, calls inlined = 168, statements flattened = 10237 [2023-11-24 23:54:04,908 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:54:04,908 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:54:04,908 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:54:04,908 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:54:04,918 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:04" (1/1) ... [2023-11-24 23:54:04,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:04" (1/1) ... [2023-11-24 23:54:04,992 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:04" (1/1) ... [2023-11-24 23:54:04,992 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:04" (1/1) ... [2023-11-24 23:54:05,297 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:04" (1/1) ... [2023-11-24 23:54:05,360 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:04" (1/1) ... [2023-11-24 23:54:05,426 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:04" (1/1) ... [2023-11-24 23:54:05,464 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:04" (1/1) ... [2023-11-24 23:54:05,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:54:05,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:54:05,547 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:54:05,547 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:54:05,548 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:04" (1/1) ... [2023-11-24 23:54:05,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:54:05,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffa4bb4-4a33-4ab1-b8a3-2fed46503118/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:54:05,583 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffa4bb4-4a33-4ab1-b8a3-2fed46503118/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:54:05,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffa4bb4-4a33-4ab1-b8a3-2fed46503118/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:54:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-24 23:54:05,639 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-24 23:54:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_open [2023-11-24 23:54:05,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_open [2023-11-24 23:54:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_write [2023-11-24 23:54:05,639 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_write [2023-11-24 23:54:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_close [2023-11-24 23:54:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_close [2023-11-24 23:54:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_qp [2023-11-24 23:54:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_qp [2023-11-24 23:54:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-24 23:54:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-24 23:54:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure fdget [2023-11-24 23:54:05,642 INFO L138 BoogieDeclarations]: Found implementation of procedure fdget [2023-11-24 23:54:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2023-11-24 23:54:05,642 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2023-11-24 23:54:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:54:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:54:05,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-24 23:54:05,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-24 23:54:05,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-24 23:54:05,643 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-24 23:54:05,643 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_cq [2023-11-24 23:54:05,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_cq [2023-11-24 23:54:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure show_ibdev [2023-11-24 23:54:05,644 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ibdev [2023-11-24 23:54:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_device [2023-11-24 23:54:05,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_device [2023-11-24 23:54:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure fd_install [2023-11-24 23:54:05,644 INFO L138 BoogieDeclarations]: Found implementation of procedure fd_install [2023-11-24 23:54:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_close [2023-11-24 23:54:05,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_close [2023-11-24 23:54:05,645 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2023-11-24 23:54:05,645 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2023-11-24 23:54:05,645 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_to_udata [2023-11-24 23:54:05,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_to_udata [2023-11-24 23:54:05,646 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-24 23:54:05,646 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-24 23:54:05,646 INFO L130 BoogieDeclarations]: Found specification of procedure put_pd_read [2023-11-24 23:54:05,646 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pd_read [2023-11-24 23:54:05,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:54:05,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:54:05,646 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_qp [2023-11-24 23:54:05,647 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_qp [2023-11-24 23:54:05,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-24 23:54:05,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-24 23:54:05,647 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_uobj [2023-11-24 23:54:05,647 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_uobj [2023-11-24 23:54:05,647 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_xrcd [2023-11-24 23:54:05,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_xrcd [2023-11-24 23:54:05,647 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_file [2023-11-24 23:54:05,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_file [2023-11-24 23:54:05,648 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-24 23:54:05,648 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-24 23:54:05,648 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-24 23:54:05,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-24 23:54:05,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-24 23:54:05,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-24 23:54:05,649 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2023-11-24 23:54:05,649 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2023-11-24 23:54:05,649 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_pd [2023-11-24 23:54:05,650 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_pd [2023-11-24 23:54:05,650 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_srq [2023-11-24 23:54:05,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_srq [2023-11-24 23:54:05,650 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-11-24 23:54:05,650 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-11-24 23:54:05,650 INFO L130 BoogieDeclarations]: Found specification of procedure fdput [2023-11-24 23:54:05,651 INFO L138 BoogieDeclarations]: Found implementation of procedure fdput [2023-11-24 23:54:05,651 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-24 23:54:05,651 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-24 23:54:05,651 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_ucq [2023-11-24 23:54:05,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_ucq [2023-11-24 23:54:05,652 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-24 23:54:05,653 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-24 23:54:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 23:54:05,653 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 23:54:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:54:05,653 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:54:05,654 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_unmarshall_recv [2023-11-24 23:54:05,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_unmarshall_recv [2023-11-24 23:54:05,654 INFO L130 BoogieDeclarations]: Found specification of procedure idr_add_uobj [2023-11-24 23:54:05,654 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_add_uobj [2023-11-24 23:54:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-24 23:54:05,717 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-24 23:54:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_ex_query_device [2023-11-24 23:54:05,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_ex_query_device [2023-11-24 23:54:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_uobj [2023-11-24 23:54:05,718 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_uobj [2023-11-24 23:54:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2023-11-24 23:54:05,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2023-11-24 23:54:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-24 23:54:05,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-24 23:54:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_mmap [2023-11-24 23:54:05,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_mmap [2023-11-24 23:54:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:54:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-24 23:54:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-24 23:54:05,719 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-24 23:54:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_poll [2023-11-24 23:54:05,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_poll [2023-11-24 23:54:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 23:54:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure __uverbs_create_xsrq [2023-11-24 23:54:05,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __uverbs_create_xsrq [2023-11-24 23:54:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_fasync [2023-11-24 23:54:05,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_fasync [2023-11-24 23:54:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure init_uobj [2023-11-24 23:54:05,720 INFO L138 BoogieDeclarations]: Found implementation of procedure init_uobj [2023-11-24 23:54:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure put_xrcd_read [2023-11-24 23:54:05,720 INFO L138 BoogieDeclarations]: Found implementation of procedure put_xrcd_read [2023-11-24 23:54:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure copy_query_dev_fields [2023-11-24 23:54:05,720 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_query_dev_fields [2023-11-24 23:54:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:54:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_alloc_event_file [2023-11-24 23:54:05,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_alloc_event_file [2023-11-24 23:54:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-11-24 23:54:05,720 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-11-24 23:54:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-24 23:54:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2023-11-24 23:54:05,721 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2023-11-24 23:54:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-24 23:54:05,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-24 23:54:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj [2023-11-24 23:54:05,721 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj [2023-11-24 23:54:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2023-11-24 23:54:05,721 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2023-11-24 23:54:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_read [2023-11-24 23:54:05,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_read [2023-11-24 23:54:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-24 23:54:05,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-24 23:54:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:54:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:54:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-24 23:54:05,722 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-24 23:54:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-24 23:54:05,722 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-24 23:54:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_obj [2023-11-24 23:54:05,722 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_obj [2023-11-24 23:54:05,723 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_qp [2023-11-24 23:54:05,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_qp [2023-11-24 23:54:05,723 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove_uobj [2023-11-24 23:54:05,723 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove_uobj [2023-11-24 23:54:05,723 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-24 23:54:05,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-24 23:54:05,723 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-24 23:54:05,723 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-24 23:54:05,723 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2023-11-24 23:54:05,723 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2023-11-24 23:54:05,724 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-24 23:54:05,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-24 23:54:05,724 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-24 23:54:05,724 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-24 23:54:05,724 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2023-11-24 23:54:05,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2023-11-24 23:54:05,724 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-24 23:54:05,724 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-24 23:54:05,724 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2023-11-24 23:54:05,724 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2023-11-24 23:54:05,725 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-24 23:54:05,725 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-24 23:54:05,725 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_read [2023-11-24 23:54:05,725 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_read [2023-11-24 23:54:05,725 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-24 23:54:05,725 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-24 23:54:05,725 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_srq [2023-11-24 23:54:05,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_srq [2023-11-24 23:54:05,725 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_write [2023-11-24 23:54:05,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_write [2023-11-24 23:54:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:54:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-24 23:54:05,726 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-24 23:54:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_search [2023-11-24 23:54:05,726 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_search [2023-11-24 23:54:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-24 23:54:05,726 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-24 23:54:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:54:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_mw [2023-11-24 23:54:05,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_mw [2023-11-24 23:54:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure __idr_get_uobj [2023-11-24 23:54:05,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __idr_get_uobj [2023-11-24 23:54:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_write [2023-11-24 23:54:05,727 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_write [2023-11-24 23:54:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-24 23:54:05,727 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-24 23:54:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:54:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure put_srq_read [2023-11-24 23:54:05,732 INFO L138 BoogieDeclarations]: Found implementation of procedure put_srq_read [2023-11-24 23:54:05,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-24 23:54:05,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-24 23:54:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dereg_mr [2023-11-24 23:54:05,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dereg_mr [2023-11-24 23:54:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure put_unused_fd [2023-11-24 23:54:05,733 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unused_fd [2023-11-24 23:54:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-24 23:54:05,733 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-24 23:54:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure create_cq [2023-11-24 23:54:05,734 INFO L138 BoogieDeclarations]: Found implementation of procedure create_cq [2023-11-24 23:54:05,734 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-24 23:54:05,734 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-24 23:54:05,734 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-24 23:54:05,734 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-24 23:54:05,734 INFO L130 BoogieDeclarations]: Found specification of procedure modify_qp_mask [2023-11-24 23:54:05,734 INFO L138 BoogieDeclarations]: Found implementation of procedure modify_qp_mask [2023-11-24 23:54:05,735 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2023-11-24 23:54:05,735 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2023-11-24 23:54:05,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:54:05,735 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-24 23:54:05,735 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-24 23:54:05,735 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2023-11-24 23:54:05,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2023-11-24 23:54:05,736 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2023-11-24 23:54:05,736 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_zero_bit [2023-11-24 23:54:05,736 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-11-24 23:54:05,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-11-24 23:54:05,736 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-24 23:54:05,737 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-24 23:54:05,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:54:05,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:54:05,737 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-24 23:54:05,737 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-24 23:54:05,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-24 23:54:05,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-24 23:54:05,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:54:05,738 INFO L130 BoogieDeclarations]: Found specification of procedure get_unused_fd_flags [2023-11-24 23:54:05,738 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unused_fd_flags [2023-11-24 23:54:05,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-24 23:54:05,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-24 23:54:05,738 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-24 23:54:05,739 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-24 23:54:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:54:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_xrcd [2023-11-24 23:54:05,739 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_xrcd [2023-11-24 23:54:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-24 23:54:05,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-24 23:54:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-24 23:54:05,740 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-24 23:54:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-11-24 23:54:05,740 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-11-24 23:54:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:54:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure ib_check_mr_access [2023-11-24 23:54:05,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_check_mr_access [2023-11-24 23:54:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-24 23:54:05,741 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-24 23:54:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-24 23:54:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:54:05,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:54:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2023-11-24 23:54:05,742 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2023-11-24 23:54:05,742 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-24 23:54:05,742 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-24 23:54:05,742 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_flow [2023-11-24 23:54:05,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_flow [2023-11-24 23:54:05,742 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:54:05,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:54:05,743 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get___0 [2023-11-24 23:54:05,743 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get___0 [2023-11-24 23:54:05,743 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_delete [2023-11-24 23:54:05,743 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_delete [2023-11-24 23:54:05,743 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_remove_one [2023-11-24 23:54:05,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_remove_one [2023-11-24 23:54:05,743 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-24 23:54:05,744 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-24 23:54:05,744 INFO L130 BoogieDeclarations]: Found specification of procedure ib_detach_mcast [2023-11-24 23:54:05,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_detach_mcast [2023-11-24 23:54:05,744 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-24 23:54:05,744 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-24 23:54:05,744 INFO L130 BoogieDeclarations]: Found specification of procedure show_dev_abi_version [2023-11-24 23:54:05,744 INFO L138 BoogieDeclarations]: Found implementation of procedure show_dev_abi_version [2023-11-24 23:54:05,745 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-11-24 23:54:05,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-11-24 23:54:05,745 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2023-11-24 23:54:05,745 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2023-11-24 23:54:05,745 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_cq [2023-11-24 23:54:05,745 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_cq [2023-11-24 23:54:05,745 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-24 23:54:05,746 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-24 23:54:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_srq [2023-11-24 23:54:05,746 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_srq [2023-11-24 23:54:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2023-11-24 23:54:05,746 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2023-11-24 23:54:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_add_one [2023-11-24 23:54:05,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_add_one [2023-11-24 23:54:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_read [2023-11-24 23:54:05,747 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_read [2023-11-24 23:54:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-24 23:54:05,747 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-24 23:54:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2023-11-24 23:54:05,747 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2023-11-24 23:54:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-24 23:54:05,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-24 23:54:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2023-11-24 23:54:05,748 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2023-11-24 23:54:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_from_udata [2023-11-24 23:54:05,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_from_udata [2023-11-24 23:54:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-24 23:54:05,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-24 23:54:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_uevent [2023-11-24 23:54:05,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_uevent [2023-11-24 23:54:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-24 23:54:05,749 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-24 23:54:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure put_cq_read [2023-11-24 23:54:05,749 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cq_read [2023-11-24 23:54:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_qp [2023-11-24 23:54:05,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_qp [2023-11-24 23:54:05,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:54:05,750 INFO L130 BoogieDeclarations]: Found specification of procedure show_class_attr_string [2023-11-24 23:54:05,750 INFO L138 BoogieDeclarations]: Found implementation of procedure show_class_attr_string [2023-11-24 23:54:05,750 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_pd [2023-11-24 23:54:05,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_pd [2023-11-24 23:54:05,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:54:05,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:54:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2023-11-24 23:54:05,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2023-11-24 23:54:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-24 23:54:05,751 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-24 23:54:07,188 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:54:07,193 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:54:07,833 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-24 23:54:37,103 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:54:39,557 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:54:39,557 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:54:39,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:54:39 BoogieIcfgContainer [2023-11-24 23:54:39,561 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:54:39,565 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:54:39,565 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:54:39,568 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:54:39,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:53:59" (1/3) ... [2023-11-24 23:54:39,570 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ca60e63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:54:39, skipping insertion in model container [2023-11-24 23:54:39,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:04" (2/3) ... [2023-11-24 23:54:39,571 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ca60e63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:54:39, skipping insertion in model container [2023-11-24 23:54:39,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:54:39" (3/3) ... [2023-11-24 23:54:39,573 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2023-11-24 23:54:39,593 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:54:39,594 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:54:39,715 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:54:39,723 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=FINITE_AUTOMATA, 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;@72a84107, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:54:39,724 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:54:39,756 INFO L276 IsEmpty]: Start isEmpty. Operand has 2568 states, 1540 states have (on average 1.3597402597402597) internal successors, (2094), 1610 states have internal predecessors, (2094), 880 states have call successors, (880), 147 states have call predecessors, (880), 146 states have return successors, (871), 865 states have call predecessors, (871), 871 states have call successors, (871) [2023-11-24 23:54:39,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2023-11-24 23:54:39,802 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:54:39,804 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 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] [2023-11-24 23:54:39,804 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:54:39,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:54:39,813 INFO L85 PathProgramCache]: Analyzing trace with hash 495640348, now seen corresponding path program 1 times [2023-11-24 23:54:39,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:54:39,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763967406] [2023-11-24 23:54:39,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:54:39,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:54:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:54:42,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1745 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1745 trivial. 0 not checked. [2023-11-24 23:54:42,817 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:54:42,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763967406] [2023-11-24 23:54:42,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763967406] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:54:42,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:54:42,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:54:42,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788858755] [2023-11-24 23:54:42,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:54:42,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:54:42,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:54:42,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:54:42,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:54:42,881 INFO L87 Difference]: Start difference. First operand has 2568 states, 1540 states have (on average 1.3597402597402597) internal successors, (2094), 1610 states have internal predecessors, (2094), 880 states have call successors, (880), 147 states have call predecessors, (880), 146 states have return successors, (871), 865 states have call predecessors, (871), 871 states have call successors, (871) Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-24 23:54:44,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:54:47,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []