./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 30e01a73 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_b8dadf55-c23f-4247-b45a-68947482221d/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dadf55-c23f-4247-b45a-68947482221d/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dadf55-c23f-4247-b45a-68947482221d/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dadf55-c23f-4247-b45a-68947482221d/bin/utaipan-verify-mE87zJ7Ire/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_b8dadf55-c23f-4247-b45a-68947482221d/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dadf55-c23f-4247-b45a-68947482221d/bin/utaipan-verify-mE87zJ7Ire --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 0.2.3-dev-30e01a7 [2023-11-23 21:12:53,815 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:12:53,957 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dadf55-c23f-4247-b45a-68947482221d/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:12:53,972 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:12:53,973 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:12:54,017 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:12:54,019 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:12:54,019 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:12:54,021 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:12:54,029 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:12:54,030 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:12:54,031 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:12:54,032 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:12:54,034 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:12:54,035 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:12:54,035 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:12:54,036 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:12:54,036 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:12:54,037 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:12:54,037 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:12:54,038 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:12:54,039 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:12:54,040 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:12:54,041 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:12:54,041 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:12:54,042 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:12:54,042 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:12:54,043 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:12:54,043 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:12:54,044 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:12:54,045 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:12:54,046 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:12:54,046 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:12:54,046 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:12:54,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:54,047 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:12:54,047 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:12:54,047 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:12:54,048 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:12:54,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:12:54,048 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:12:54,049 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:12:54,049 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:12:54,049 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:12:54,050 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_b8dadf55-c23f-4247-b45a-68947482221d/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dadf55-c23f-4247-b45a-68947482221d/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9be531e7af87cba73be4f8246e93f3d32963d00e421fc44d0f45559eac1d9e7a [2023-11-23 21:12:54,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:12:54,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:12:54,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:12:54,368 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:12:54,369 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:12:54,371 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dadf55-c23f-4247-b45a-68947482221d/bin/utaipan-verify-mE87zJ7Ire/../../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 [2023-11-23 21:12:57,524 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:12:58,352 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:12:58,352 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dadf55-c23f-4247-b45a-68947482221d/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 [2023-11-23 21:12:58,413 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dadf55-c23f-4247-b45a-68947482221d/bin/utaipan-verify-mE87zJ7Ire/data/5782150b1/521ed890c5aa4cfb8668f3ed79efa38c/FLAG8f05ac24b [2023-11-23 21:12:58,428 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dadf55-c23f-4247-b45a-68947482221d/bin/utaipan-verify-mE87zJ7Ire/data/5782150b1/521ed890c5aa4cfb8668f3ed79efa38c [2023-11-23 21:12:58,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:12:58,432 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:12:58,436 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:58,437 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:12:58,442 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:12:58,443 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:58" (1/1) ... [2023-11-23 21:12:58,444 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@357dc7f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:58, skipping insertion in model container [2023-11-23 21:12:58,444 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:58" (1/1) ... [2023-11-23 21:12:58,678 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:13:01,421 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_b8dadf55-c23f-4247-b45a-68947482221d/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] [2023-11-23 21:13:01,493 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:13:01,572 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:13:01,804 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] [2023-11-23 21:13:01,806 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] [2023-11-23 21:13:01,808 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] [2023-11-23 21:13:01,809 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] [2023-11-23 21:13:01,809 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] [2023-11-23 21:13:01,810 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] [2023-11-23 21:13:01,811 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] [2023-11-23 21:13:01,811 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] [2023-11-23 21:13:01,812 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] [2023-11-23 21:13:01,812 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] [2023-11-23 21:13:01,812 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] [2023-11-23 21:13:01,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7666] [2023-11-23 21:13:01,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7668] [2023-11-23 21:13:01,956 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [7682] [2023-11-23 21:13:01,956 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7685] [2023-11-23 21:13:01,956 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7688] [2023-11-23 21:13:01,957 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7691] [2023-11-23 21:13:01,958 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] [2023-11-23 21:13:01,958 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] [2023-11-23 21:13:01,958 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] [2023-11-23 21:13:01,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [7745] [2023-11-23 21:13:01,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [7748] [2023-11-23 21:13:01,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [7750] [2023-11-23 21:13:01,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [7755] [2023-11-23 21:13:01,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [7758] [2023-11-23 21:13:01,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [7760] [2023-11-23 21:13:01,962 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [7765] [2023-11-23 21:13:01,962 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [7768] [2023-11-23 21:13:01,963 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [7770] [2023-11-23 21:13:01,963 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [7775] [2023-11-23 21:13:01,963 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [7778] [2023-11-23 21:13:01,964 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [7780] [2023-11-23 21:13:01,964 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [7798] [2023-11-23 21:13:01,965 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [7801] [2023-11-23 21:13:01,965 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [7803] [2023-11-23 21:13:01,965 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [7808] [2023-11-23 21:13:01,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [7811] [2023-11-23 21:13:01,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [7813] [2023-11-23 21:13:01,967 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [7818] [2023-11-23 21:13:01,969 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [7821] [2023-11-23 21:13:01,969 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [7823] [2023-11-23 21:13:01,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [7828] [2023-11-23 21:13:01,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [7831] [2023-11-23 21:13:01,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [7833] [2023-11-23 21:13:01,973 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7859] [2023-11-23 21:13:01,973 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7866] [2023-11-23 21:13:02,406 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_b8dadf55-c23f-4247-b45a-68947482221d/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] [2023-11-23 21:13:02,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:13:02,613 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:13:02,614 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:13:02,614 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:13:02,614 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:13:02,662 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:13:02,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:02 WrapperNode [2023-11-23 21:13:02,663 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:13:02,664 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:13:02,664 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:13:02,665 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:13:02,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:02" (1/1) ... [2023-11-23 21:13:02,856 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:02" (1/1) ... [2023-11-23 21:13:03,211 INFO L138 Inliner]: procedures = 371, calls = 4466, calls flagged for inlining = 169, calls inlined = 168, statements flattened = 10177 [2023-11-23 21:13:03,213 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:13:03,214 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:13:03,214 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:13:03,214 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:13:03,224 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:02" (1/1) ... [2023-11-23 21:13:03,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:02" (1/1) ... [2023-11-23 21:13:03,288 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:02" (1/1) ... [2023-11-23 21:13:03,289 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:02" (1/1) ... [2023-11-23 21:13:03,555 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:02" (1/1) ... [2023-11-23 21:13:03,590 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:02" (1/1) ... [2023-11-23 21:13:03,636 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:02" (1/1) ... [2023-11-23 21:13:03,665 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:02" (1/1) ... [2023-11-23 21:13:03,738 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:13:03,740 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:13:03,740 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:13:03,741 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:13:03,741 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:02" (1/1) ... [2023-11-23 21:13:03,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:13:03,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dadf55-c23f-4247-b45a-68947482221d/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:13:03,849 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dadf55-c23f-4247-b45a-68947482221d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:13:03,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dadf55-c23f-4247-b45a-68947482221d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:13:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-23 21:13:03,892 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-23 21:13:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_open [2023-11-23 21:13:03,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_open [2023-11-23 21:13:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_write [2023-11-23 21:13:03,892 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_write [2023-11-23 21:13:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_close [2023-11-23 21:13:03,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_close [2023-11-23 21:13:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_qp [2023-11-23 21:13:03,893 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_qp [2023-11-23 21:13:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-23 21:13:03,894 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-23 21:13:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure fdget [2023-11-23 21:13:03,895 INFO L138 BoogieDeclarations]: Found implementation of procedure fdget [2023-11-23 21:13:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2023-11-23 21:13:03,896 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2023-11-23 21:13:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:13:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:13:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:13:03,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:13:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:13:03,896 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:13:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_cq [2023-11-23 21:13:03,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_cq [2023-11-23 21:13:03,898 INFO L130 BoogieDeclarations]: Found specification of procedure show_ibdev [2023-11-23 21:13:03,898 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ibdev [2023-11-23 21:13:03,898 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_device [2023-11-23 21:13:03,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_device [2023-11-23 21:13:03,898 INFO L130 BoogieDeclarations]: Found specification of procedure fd_install [2023-11-23 21:13:03,899 INFO L138 BoogieDeclarations]: Found implementation of procedure fd_install [2023-11-23 21:13:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_close [2023-11-23 21:13:03,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_close [2023-11-23 21:13:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2023-11-23 21:13:03,899 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2023-11-23 21:13:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_to_udata [2023-11-23 21:13:03,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_to_udata [2023-11-23 21:13:03,900 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-23 21:13:03,901 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-23 21:13:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure put_pd_read [2023-11-23 21:13:03,901 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pd_read [2023-11-23 21:13:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:13:03,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:13:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_qp [2023-11-23 21:13:03,901 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_qp [2023-11-23 21:13:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-23 21:13:03,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-23 21:13:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_uobj [2023-11-23 21:13:03,902 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_uobj [2023-11-23 21:13:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_xrcd [2023-11-23 21:13:03,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_xrcd [2023-11-23 21:13:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_file [2023-11-23 21:13:03,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_file [2023-11-23 21:13:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:13:03,903 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:13:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:13:03,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:13:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:13:03,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:13:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2023-11-23 21:13:03,905 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2023-11-23 21:13:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_pd [2023-11-23 21:13:03,905 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_pd [2023-11-23 21:13:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_srq [2023-11-23 21:13:03,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_srq [2023-11-23 21:13:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-11-23 21:13:03,906 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-11-23 21:13:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure fdput [2023-11-23 21:13:03,907 INFO L138 BoogieDeclarations]: Found implementation of procedure fdput [2023-11-23 21:13:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-23 21:13:03,907 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-23 21:13:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_ucq [2023-11-23 21:13:03,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_ucq [2023-11-23 21:13:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-23 21:13:03,908 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-23 21:13:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:13:03,909 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:13:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:13:03,910 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:13:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_unmarshall_recv [2023-11-23 21:13:03,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_unmarshall_recv [2023-11-23 21:13:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure idr_add_uobj [2023-11-23 21:13:03,910 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_add_uobj [2023-11-23 21:13:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:13:03,911 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:13:03,911 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_ex_query_device [2023-11-23 21:13:03,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_ex_query_device [2023-11-23 21:13:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_uobj [2023-11-23 21:13:03,912 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_uobj [2023-11-23 21:13:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2023-11-23 21:13:03,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2023-11-23 21:13:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-23 21:13:03,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-23 21:13:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_mmap [2023-11-23 21:13:03,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_mmap [2023-11-23 21:13:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:13:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:13:03,914 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:13:03,915 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:13:03,917 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_poll [2023-11-23 21:13:03,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_poll [2023-11-23 21:13:03,918 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 21:13:03,918 INFO L130 BoogieDeclarations]: Found specification of procedure __uverbs_create_xsrq [2023-11-23 21:13:03,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __uverbs_create_xsrq [2023-11-23 21:13:03,919 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_fasync [2023-11-23 21:13:03,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_fasync [2023-11-23 21:13:03,920 INFO L130 BoogieDeclarations]: Found specification of procedure init_uobj [2023-11-23 21:13:03,921 INFO L138 BoogieDeclarations]: Found implementation of procedure init_uobj [2023-11-23 21:13:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure put_xrcd_read [2023-11-23 21:13:03,928 INFO L138 BoogieDeclarations]: Found implementation of procedure put_xrcd_read [2023-11-23 21:13:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure copy_query_dev_fields [2023-11-23 21:13:03,928 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_query_dev_fields [2023-11-23 21:13:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:13:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_alloc_event_file [2023-11-23 21:13:03,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_alloc_event_file [2023-11-23 21:13:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-11-23 21:13:03,929 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-11-23 21:13:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-23 21:13:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2023-11-23 21:13:03,929 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2023-11-23 21:13:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:13:03,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:13:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj [2023-11-23 21:13:03,930 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj [2023-11-23 21:13:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2023-11-23 21:13:03,930 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2023-11-23 21:13:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_read [2023-11-23 21:13:03,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_read [2023-11-23 21:13:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-23 21:13:03,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-23 21:13:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:13:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:13:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:13:03,931 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:13:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-23 21:13:03,932 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-23 21:13:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_obj [2023-11-23 21:13:03,932 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_obj [2023-11-23 21:13:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_qp [2023-11-23 21:13:03,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_qp [2023-11-23 21:13:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove_uobj [2023-11-23 21:13:03,933 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove_uobj [2023-11-23 21:13:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-23 21:13:03,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-23 21:13:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-23 21:13:03,933 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-23 21:13:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2023-11-23 21:13:03,933 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2023-11-23 21:13:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-23 21:13:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-23 21:13:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 21:13:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 21:13:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2023-11-23 21:13:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2023-11-23 21:13:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:13:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:13:03,935 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2023-11-23 21:13:03,935 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2023-11-23 21:13:03,935 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-23 21:13:03,935 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-23 21:13:03,935 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_read [2023-11-23 21:13:03,935 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_read [2023-11-23 21:13:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 21:13:03,936 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 21:13:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_srq [2023-11-23 21:13:03,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_srq [2023-11-23 21:13:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_write [2023-11-23 21:13:03,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_write [2023-11-23 21:13:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:13:03,937 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-23 21:13:03,937 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-23 21:13:03,937 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_search [2023-11-23 21:13:03,937 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_search [2023-11-23 21:13:03,937 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-23 21:13:03,937 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-23 21:13:03,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:13:03,937 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_mw [2023-11-23 21:13:03,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_mw [2023-11-23 21:13:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure __idr_get_uobj [2023-11-23 21:13:03,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __idr_get_uobj [2023-11-23 21:13:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_write [2023-11-23 21:13:03,938 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_write [2023-11-23 21:13:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-23 21:13:03,938 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-23 21:13:03,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:13:03,939 INFO L130 BoogieDeclarations]: Found specification of procedure put_srq_read [2023-11-23 21:13:03,939 INFO L138 BoogieDeclarations]: Found implementation of procedure put_srq_read [2023-11-23 21:13:03,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:13:03,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:13:03,939 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dereg_mr [2023-11-23 21:13:03,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dereg_mr [2023-11-23 21:13:03,940 INFO L130 BoogieDeclarations]: Found specification of procedure put_unused_fd [2023-11-23 21:13:03,940 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unused_fd [2023-11-23 21:13:03,940 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-23 21:13:03,940 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-23 21:13:03,940 INFO L130 BoogieDeclarations]: Found specification of procedure create_cq [2023-11-23 21:13:03,940 INFO L138 BoogieDeclarations]: Found implementation of procedure create_cq [2023-11-23 21:13:03,940 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:13:03,941 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:13:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-23 21:13:03,941 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-23 21:13:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure modify_qp_mask [2023-11-23 21:13:03,941 INFO L138 BoogieDeclarations]: Found implementation of procedure modify_qp_mask [2023-11-23 21:13:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2023-11-23 21:13:03,941 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2023-11-23 21:13:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:13:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-23 21:13:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-23 21:13:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2023-11-23 21:13:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2023-11-23 21:13:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2023-11-23 21:13:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_zero_bit [2023-11-23 21:13:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-11-23 21:13:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-11-23 21:13:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-23 21:13:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-23 21:13:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:13:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:13:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-23 21:13:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-23 21:13:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 21:13:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 21:13:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:13:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure get_unused_fd_flags [2023-11-23 21:13:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unused_fd_flags [2023-11-23 21:13:03,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-23 21:13:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-23 21:13:03,949 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-23 21:13:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-23 21:13:03,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:13:03,949 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_xrcd [2023-11-23 21:13:03,950 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_xrcd [2023-11-23 21:13:03,950 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-23 21:13:03,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-23 21:13:03,950 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-23 21:13:03,951 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-23 21:13:03,951 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-11-23 21:13:03,951 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-11-23 21:13:03,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:13:03,951 INFO L130 BoogieDeclarations]: Found specification of procedure ib_check_mr_access [2023-11-23 21:13:03,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_check_mr_access [2023-11-23 21:13:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-23 21:13:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-23 21:13:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:13:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:13:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:13:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2023-11-23 21:13:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2023-11-23 21:13:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-23 21:13:03,953 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-23 21:13:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_flow [2023-11-23 21:13:03,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_flow [2023-11-23 21:13:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:13:03,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:13:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get___0 [2023-11-23 21:13:03,953 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get___0 [2023-11-23 21:13:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_delete [2023-11-23 21:13:03,954 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_delete [2023-11-23 21:13:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_remove_one [2023-11-23 21:13:03,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_remove_one [2023-11-23 21:13:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-23 21:13:03,954 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-23 21:13:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure ib_detach_mcast [2023-11-23 21:13:03,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_detach_mcast [2023-11-23 21:13:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-23 21:13:03,955 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-23 21:13:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure show_dev_abi_version [2023-11-23 21:13:03,955 INFO L138 BoogieDeclarations]: Found implementation of procedure show_dev_abi_version [2023-11-23 21:13:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-11-23 21:13:03,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-11-23 21:13:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2023-11-23 21:13:03,955 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2023-11-23 21:13:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_cq [2023-11-23 21:13:03,956 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_cq [2023-11-23 21:13:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:13:03,956 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:13:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_srq [2023-11-23 21:13:03,956 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_srq [2023-11-23 21:13:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2023-11-23 21:13:03,957 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2023-11-23 21:13:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_add_one [2023-11-23 21:13:03,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_add_one [2023-11-23 21:13:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_read [2023-11-23 21:13:03,957 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_read [2023-11-23 21:13:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 21:13:03,957 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 21:13:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2023-11-23 21:13:03,958 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2023-11-23 21:13:03,958 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:13:03,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:13:03,958 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2023-11-23 21:13:03,958 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2023-11-23 21:13:03,958 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_from_udata [2023-11-23 21:13:03,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_from_udata [2023-11-23 21:13:03,958 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-23 21:13:03,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-23 21:13:03,959 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_uevent [2023-11-23 21:13:03,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_uevent [2023-11-23 21:13:03,959 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 21:13:03,959 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 21:13:03,959 INFO L130 BoogieDeclarations]: Found specification of procedure put_cq_read [2023-11-23 21:13:03,959 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cq_read [2023-11-23 21:13:03,959 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_qp [2023-11-23 21:13:03,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_qp [2023-11-23 21:13:03,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:13:03,960 INFO L130 BoogieDeclarations]: Found specification of procedure show_class_attr_string [2023-11-23 21:13:03,960 INFO L138 BoogieDeclarations]: Found implementation of procedure show_class_attr_string [2023-11-23 21:13:03,960 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_pd [2023-11-23 21:13:03,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_pd [2023-11-23 21:13:03,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:13:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:13:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2023-11-23 21:13:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2023-11-23 21:13:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 21:13:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 21:13:05,260 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:13:05,265 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:13:05,958 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:13:37,479 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:13:40,253 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:13:40,254 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:13:40,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:40 BoogieIcfgContainer [2023-11-23 21:13:40,257 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:13:40,261 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:13:40,262 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:13:40,265 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:13:40,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:12:58" (1/3) ... [2023-11-23 21:13:40,267 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6759c977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:13:40, skipping insertion in model container [2023-11-23 21:13:40,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:02" (2/3) ... [2023-11-23 21:13:40,269 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6759c977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:13:40, skipping insertion in model container [2023-11-23 21:13:40,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:40" (3/3) ... [2023-11-23 21:13:40,270 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2023-11-23 21:13:40,292 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:13:40,292 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:13:40,436 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:13:40,446 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;@55f591d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:13:40,447 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:13:40,466 INFO L276 IsEmpty]: Start isEmpty. Operand has 2554 states, 1526 states have (on average 1.363040629095675) internal successors, (2080), 1602 states have internal predecessors, (2080), 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) [2023-11-23 21:13:40,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2023-11-23 21:13:40,533 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:13:40,534 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] [2023-11-23 21:13:40,535 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:13:40,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:13:40,549 INFO L85 PathProgramCache]: Analyzing trace with hash -612857606, now seen corresponding path program 1 times [2023-11-23 21:13:40,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:13:40,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114138445] [2023-11-23 21:13:40,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:40,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:13:42,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:13:43,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1745 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1745 trivial. 0 not checked. [2023-11-23 21:13:43,864 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:13:43,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114138445] [2023-11-23 21:13:43,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114138445] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:13:43,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:13:43,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:13:43,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426622461] [2023-11-23 21:13:43,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:13:43,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:13:43,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:13:43,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:13:43,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:13:43,934 INFO L87 Difference]: Start difference. First operand has 2554 states, 1526 states have (on average 1.363040629095675) internal successors, (2080), 1602 states have internal predecessors, (2080), 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)