./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 9bd2c7ff 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_c9a33dad-412b-4fa0-87f9-f9618bef2743/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a33dad-412b-4fa0-87f9-f9618bef2743/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a33dad-412b-4fa0-87f9-f9618bef2743/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a33dad-412b-4fa0-87f9-f9618bef2743/bin/utaipan-verify-t7M7D8N6sZ/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_c9a33dad-412b-4fa0-87f9-f9618bef2743/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a33dad-412b-4fa0-87f9-f9618bef2743/bin/utaipan-verify-t7M7D8N6sZ --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-9bd2c7f [2023-11-19 04:17:52,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:17:52,953 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a33dad-412b-4fa0-87f9-f9618bef2743/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:17:52,967 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:17:52,969 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:17:53,020 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:17:53,021 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:17:53,022 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:17:53,023 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:17:53,030 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:17:53,031 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:17:53,032 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:17:53,033 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:17:53,035 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:17:53,036 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:17:53,037 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:17:53,037 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:17:53,038 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:17:53,039 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:17:53,039 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:17:53,040 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:17:53,041 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:17:53,043 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:17:53,043 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:17:53,044 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:17:53,045 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:17:53,045 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:17:53,046 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:17:53,047 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:17:53,047 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:17:53,049 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:17:53,050 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:17:53,050 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:17:53,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:17:53,051 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:17:53,051 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:17:53,052 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:17:53,052 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:17:53,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:17:53,053 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:17:53,053 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:17:53,054 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:17:53,054 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_c9a33dad-412b-4fa0-87f9-f9618bef2743/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a33dad-412b-4fa0-87f9-f9618bef2743/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9be531e7af87cba73be4f8246e93f3d32963d00e421fc44d0f45559eac1d9e7a [2023-11-19 04:17:53,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:17:53,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:17:53,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:17:53,556 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:17:53,557 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:17:53,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a33dad-412b-4fa0-87f9-f9618bef2743/bin/utaipan-verify-t7M7D8N6sZ/../../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 [2023-11-19 04:17:57,076 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:17:57,838 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:17:57,840 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a33dad-412b-4fa0-87f9-f9618bef2743/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 [2023-11-19 04:17:57,905 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a33dad-412b-4fa0-87f9-f9618bef2743/bin/utaipan-verify-t7M7D8N6sZ/data/7fbe47f0c/b855d01079f0426da6abf3d59c70c380/FLAGb79a5e455 [2023-11-19 04:17:57,923 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a33dad-412b-4fa0-87f9-f9618bef2743/bin/utaipan-verify-t7M7D8N6sZ/data/7fbe47f0c/b855d01079f0426da6abf3d59c70c380 [2023-11-19 04:17:57,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:17:57,931 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:17:57,934 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:17:57,934 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:17:57,940 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:17:57,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:17:57" (1/1) ... [2023-11-19 04:17:57,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2934d33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:57, skipping insertion in model container [2023-11-19 04:17:57,942 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:17:57" (1/1) ... [2023-11-19 04:17:58,229 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:18:00,977 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_c9a33dad-412b-4fa0-87f9-f9618bef2743/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] [2023-11-19 04:18:01,062 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:18:01,215 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:18:01,338 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] [2023-11-19 04:18:01,341 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] [2023-11-19 04:18:01,343 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] [2023-11-19 04:18:01,344 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] [2023-11-19 04:18:01,344 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] [2023-11-19 04:18:01,344 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] [2023-11-19 04:18:01,345 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] [2023-11-19 04:18:01,346 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] [2023-11-19 04:18:01,346 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] [2023-11-19 04:18:01,347 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] [2023-11-19 04:18:01,347 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] [2023-11-19 04:18:01,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7666] [2023-11-19 04:18:01,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7668] [2023-11-19 04:18:01,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [7682] [2023-11-19 04:18:01,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7685] [2023-11-19 04:18:01,491 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7688] [2023-11-19 04:18:01,491 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7691] [2023-11-19 04:18:01,492 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] [2023-11-19 04:18:01,492 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] [2023-11-19 04:18:01,492 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] [2023-11-19 04:18:01,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [7745] [2023-11-19 04:18:01,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [7748] [2023-11-19 04:18:01,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [7750] [2023-11-19 04:18:01,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [7755] [2023-11-19 04:18:01,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [7758] [2023-11-19 04:18:01,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [7760] [2023-11-19 04:18:01,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [7765] [2023-11-19 04:18:01,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [7768] [2023-11-19 04:18:01,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [7770] [2023-11-19 04:18:01,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [7775] [2023-11-19 04:18:01,497 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [7778] [2023-11-19 04:18:01,497 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [7780] [2023-11-19 04:18:01,498 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [7798] [2023-11-19 04:18:01,498 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [7801] [2023-11-19 04:18:01,499 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [7803] [2023-11-19 04:18:01,499 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [7808] [2023-11-19 04:18:01,499 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [7811] [2023-11-19 04:18:01,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [7813] [2023-11-19 04:18:01,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [7818] [2023-11-19 04:18:01,502 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [7821] [2023-11-19 04:18:01,502 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [7823] [2023-11-19 04:18:01,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [7828] [2023-11-19 04:18:01,504 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [7831] [2023-11-19 04:18:01,505 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [7833] [2023-11-19 04:18:01,505 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7859] [2023-11-19 04:18:01,506 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7866] [2023-11-19 04:18:01,957 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_c9a33dad-412b-4fa0-87f9-f9618bef2743/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] [2023-11-19 04:18:01,971 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:18:02,197 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:18:02,197 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:18:02,197 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:18:02,198 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:18:02,207 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:18:02,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:02 WrapperNode [2023-11-19 04:18:02,209 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:18:02,211 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:18:02,211 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:18:02,211 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:18:02,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:02" (1/1) ... [2023-11-19 04:18:02,386 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:02" (1/1) ... [2023-11-19 04:18:02,812 INFO L138 Inliner]: procedures = 371, calls = 4466, calls flagged for inlining = 169, calls inlined = 168, statements flattened = 10177 [2023-11-19 04:18:02,813 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:18:02,814 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:18:02,814 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:18:02,814 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:18:02,828 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:02" (1/1) ... [2023-11-19 04:18:02,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:02" (1/1) ... [2023-11-19 04:18:02,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:02" (1/1) ... [2023-11-19 04:18:02,883 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:02" (1/1) ... [2023-11-19 04:18:03,347 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:02" (1/1) ... [2023-11-19 04:18:03,397 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:02" (1/1) ... [2023-11-19 04:18:03,471 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:02" (1/1) ... [2023-11-19 04:18:03,519 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:02" (1/1) ... [2023-11-19 04:18:03,592 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:18:03,594 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:18:03,594 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:18:03,594 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:18:03,595 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:02" (1/1) ... [2023-11-19 04:18:03,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:18:03,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a33dad-412b-4fa0-87f9-f9618bef2743/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:18:03,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a33dad-412b-4fa0-87f9-f9618bef2743/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:18:03,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a33dad-412b-4fa0-87f9-f9618bef2743/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:18:03,771 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-19 04:18:03,771 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-19 04:18:03,771 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_open [2023-11-19 04:18:03,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_open [2023-11-19 04:18:03,772 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_write [2023-11-19 04:18:03,772 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_write [2023-11-19 04:18:03,772 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_close [2023-11-19 04:18:03,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_close [2023-11-19 04:18:03,772 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_qp [2023-11-19 04:18:03,773 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_qp [2023-11-19 04:18:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-19 04:18:03,773 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-19 04:18:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure fdget [2023-11-19 04:18:03,774 INFO L138 BoogieDeclarations]: Found implementation of procedure fdget [2023-11-19 04:18:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2023-11-19 04:18:03,776 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2023-11-19 04:18:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:18:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:18:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:18:03,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:18:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 04:18:03,777 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 04:18:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_cq [2023-11-19 04:18:03,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_cq [2023-11-19 04:18:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure show_ibdev [2023-11-19 04:18:03,778 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ibdev [2023-11-19 04:18:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_device [2023-11-19 04:18:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_device [2023-11-19 04:18:03,780 INFO L130 BoogieDeclarations]: Found specification of procedure fd_install [2023-11-19 04:18:03,780 INFO L138 BoogieDeclarations]: Found implementation of procedure fd_install [2023-11-19 04:18:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_close [2023-11-19 04:18:03,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_close [2023-11-19 04:18:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2023-11-19 04:18:03,781 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2023-11-19 04:18:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_to_udata [2023-11-19 04:18:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_to_udata [2023-11-19 04:18:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-19 04:18:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-19 04:18:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure put_pd_read [2023-11-19 04:18:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pd_read [2023-11-19 04:18:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:18:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:18:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_qp [2023-11-19 04:18:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_qp [2023-11-19 04:18:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-19 04:18:03,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-19 04:18:03,785 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_uobj [2023-11-19 04:18:03,785 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_uobj [2023-11-19 04:18:03,785 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_xrcd [2023-11-19 04:18:03,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_xrcd [2023-11-19 04:18:03,786 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_file [2023-11-19 04:18:03,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_file [2023-11-19 04:18:03,786 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 04:18:03,786 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 04:18:03,787 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-19 04:18:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-19 04:18:03,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 04:18:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 04:18:03,787 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2023-11-19 04:18:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2023-11-19 04:18:03,789 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_pd [2023-11-19 04:18:03,789 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_pd [2023-11-19 04:18:03,790 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_srq [2023-11-19 04:18:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_srq [2023-11-19 04:18:03,790 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-11-19 04:18:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-11-19 04:18:03,790 INFO L130 BoogieDeclarations]: Found specification of procedure fdput [2023-11-19 04:18:03,791 INFO L138 BoogieDeclarations]: Found implementation of procedure fdput [2023-11-19 04:18:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 04:18:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 04:18:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_ucq [2023-11-19 04:18:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_ucq [2023-11-19 04:18:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 04:18:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 04:18:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:18:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:18:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:18:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:18:03,795 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_unmarshall_recv [2023-11-19 04:18:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_unmarshall_recv [2023-11-19 04:18:03,796 INFO L130 BoogieDeclarations]: Found specification of procedure idr_add_uobj [2023-11-19 04:18:03,796 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_add_uobj [2023-11-19 04:18:03,796 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 04:18:03,796 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 04:18:03,796 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_ex_query_device [2023-11-19 04:18:03,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_ex_query_device [2023-11-19 04:18:03,797 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_uobj [2023-11-19 04:18:03,797 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_uobj [2023-11-19 04:18:03,798 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2023-11-19 04:18:03,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2023-11-19 04:18:03,799 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-19 04:18:03,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-19 04:18:03,799 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_mmap [2023-11-19 04:18:03,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_mmap [2023-11-19 04:18:03,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:18:03,800 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 04:18:03,800 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 04:18:03,800 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 04:18:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_poll [2023-11-19 04:18:03,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_poll [2023-11-19 04:18:03,805 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 04:18:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure __uverbs_create_xsrq [2023-11-19 04:18:03,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __uverbs_create_xsrq [2023-11-19 04:18:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_fasync [2023-11-19 04:18:03,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_fasync [2023-11-19 04:18:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure init_uobj [2023-11-19 04:18:03,808 INFO L138 BoogieDeclarations]: Found implementation of procedure init_uobj [2023-11-19 04:18:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure put_xrcd_read [2023-11-19 04:18:03,809 INFO L138 BoogieDeclarations]: Found implementation of procedure put_xrcd_read [2023-11-19 04:18:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure copy_query_dev_fields [2023-11-19 04:18:03,814 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_query_dev_fields [2023-11-19 04:18:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:18:03,815 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_alloc_event_file [2023-11-19 04:18:03,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_alloc_event_file [2023-11-19 04:18:03,815 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-11-19 04:18:03,815 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-11-19 04:18:03,815 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-19 04:18:03,815 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2023-11-19 04:18:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2023-11-19 04:18:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 04:18:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 04:18:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj [2023-11-19 04:18:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj [2023-11-19 04:18:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2023-11-19 04:18:03,817 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2023-11-19 04:18:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_read [2023-11-19 04:18:03,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_read [2023-11-19 04:18:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 04:18:03,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 04:18:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:18:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:18:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:18:03,818 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:18:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-19 04:18:03,818 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-19 04:18:03,819 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_obj [2023-11-19 04:18:03,819 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_obj [2023-11-19 04:18:03,819 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_qp [2023-11-19 04:18:03,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_qp [2023-11-19 04:18:03,819 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove_uobj [2023-11-19 04:18:03,820 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove_uobj [2023-11-19 04:18:03,820 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-19 04:18:03,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-19 04:18:03,820 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 04:18:03,820 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 04:18:03,820 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2023-11-19 04:18:03,821 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2023-11-19 04:18:03,821 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-19 04:18:03,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-19 04:18:03,821 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 04:18:03,821 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 04:18:03,822 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2023-11-19 04:18:03,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2023-11-19 04:18:03,822 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 04:18:03,822 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 04:18:03,822 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2023-11-19 04:18:03,822 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2023-11-19 04:18:03,823 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 04:18:03,823 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 04:18:03,823 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_read [2023-11-19 04:18:03,823 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_read [2023-11-19 04:18:03,824 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 04:18:03,824 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 04:18:03,824 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_srq [2023-11-19 04:18:03,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_srq [2023-11-19 04:18:03,824 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_write [2023-11-19 04:18:03,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_write [2023-11-19 04:18:03,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:18:03,825 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-19 04:18:03,825 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-19 04:18:03,825 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_search [2023-11-19 04:18:03,825 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_search [2023-11-19 04:18:03,826 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-19 04:18:03,827 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-19 04:18:03,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:18:03,828 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_mw [2023-11-19 04:18:03,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_mw [2023-11-19 04:18:03,828 INFO L130 BoogieDeclarations]: Found specification of procedure __idr_get_uobj [2023-11-19 04:18:03,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __idr_get_uobj [2023-11-19 04:18:03,828 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_write [2023-11-19 04:18:03,829 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_write [2023-11-19 04:18:03,829 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-19 04:18:03,829 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-19 04:18:03,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:18:03,829 INFO L130 BoogieDeclarations]: Found specification of procedure put_srq_read [2023-11-19 04:18:03,829 INFO L138 BoogieDeclarations]: Found implementation of procedure put_srq_read [2023-11-19 04:18:03,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 04:18:03,830 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 04:18:03,830 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dereg_mr [2023-11-19 04:18:03,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dereg_mr [2023-11-19 04:18:03,830 INFO L130 BoogieDeclarations]: Found specification of procedure put_unused_fd [2023-11-19 04:18:03,831 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unused_fd [2023-11-19 04:18:03,831 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-19 04:18:03,831 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-19 04:18:03,831 INFO L130 BoogieDeclarations]: Found specification of procedure create_cq [2023-11-19 04:18:03,831 INFO L138 BoogieDeclarations]: Found implementation of procedure create_cq [2023-11-19 04:18:03,831 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 04:18:03,832 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 04:18:03,832 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-19 04:18:03,832 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-19 04:18:03,832 INFO L130 BoogieDeclarations]: Found specification of procedure modify_qp_mask [2023-11-19 04:18:03,832 INFO L138 BoogieDeclarations]: Found implementation of procedure modify_qp_mask [2023-11-19 04:18:03,832 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2023-11-19 04:18:03,833 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2023-11-19 04:18:03,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:18:03,833 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-19 04:18:03,833 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-19 04:18:03,833 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2023-11-19 04:18:03,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2023-11-19 04:18:03,834 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2023-11-19 04:18:03,834 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_zero_bit [2023-11-19 04:18:03,834 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-11-19 04:18:03,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-11-19 04:18:03,834 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-19 04:18:03,835 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-19 04:18:03,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:18:03,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:18:03,835 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-19 04:18:03,835 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-19 04:18:03,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 04:18:03,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 04:18:03,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:18:03,836 INFO L130 BoogieDeclarations]: Found specification of procedure get_unused_fd_flags [2023-11-19 04:18:03,836 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unused_fd_flags [2023-11-19 04:18:03,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 04:18:03,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 04:18:03,838 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-19 04:18:03,843 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-19 04:18:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:18:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_xrcd [2023-11-19 04:18:03,843 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_xrcd [2023-11-19 04:18:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 04:18:03,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 04:18:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-19 04:18:03,844 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-19 04:18:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-11-19 04:18:03,845 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-11-19 04:18:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:18:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure ib_check_mr_access [2023-11-19 04:18:03,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_check_mr_access [2023-11-19 04:18:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-19 04:18:03,847 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-19 04:18:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 04:18:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:18:03,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:18:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2023-11-19 04:18:03,848 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2023-11-19 04:18:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-19 04:18:03,848 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-19 04:18:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_flow [2023-11-19 04:18:03,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_flow [2023-11-19 04:18:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 04:18:03,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 04:18:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get___0 [2023-11-19 04:18:03,849 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get___0 [2023-11-19 04:18:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_delete [2023-11-19 04:18:03,850 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_delete [2023-11-19 04:18:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_remove_one [2023-11-19 04:18:03,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_remove_one [2023-11-19 04:18:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-19 04:18:03,850 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-19 04:18:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure ib_detach_mcast [2023-11-19 04:18:03,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_detach_mcast [2023-11-19 04:18:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 04:18:03,851 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 04:18:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure show_dev_abi_version [2023-11-19 04:18:03,851 INFO L138 BoogieDeclarations]: Found implementation of procedure show_dev_abi_version [2023-11-19 04:18:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-11-19 04:18:03,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-11-19 04:18:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2023-11-19 04:18:03,852 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2023-11-19 04:18:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_cq [2023-11-19 04:18:03,852 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_cq [2023-11-19 04:18:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 04:18:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 04:18:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_srq [2023-11-19 04:18:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_srq [2023-11-19 04:18:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2023-11-19 04:18:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2023-11-19 04:18:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_add_one [2023-11-19 04:18:03,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_add_one [2023-11-19 04:18:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_read [2023-11-19 04:18:03,854 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_read [2023-11-19 04:18:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 04:18:03,854 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 04:18:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2023-11-19 04:18:03,855 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2023-11-19 04:18:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 04:18:03,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 04:18:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2023-11-19 04:18:03,855 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2023-11-19 04:18:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_from_udata [2023-11-19 04:18:03,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_from_udata [2023-11-19 04:18:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-19 04:18:03,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-19 04:18:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_uevent [2023-11-19 04:18:03,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_uevent [2023-11-19 04:18:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 04:18:03,857 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 04:18:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure put_cq_read [2023-11-19 04:18:03,857 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cq_read [2023-11-19 04:18:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_qp [2023-11-19 04:18:03,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_qp [2023-11-19 04:18:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:18:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure show_class_attr_string [2023-11-19 04:18:03,858 INFO L138 BoogieDeclarations]: Found implementation of procedure show_class_attr_string [2023-11-19 04:18:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_pd [2023-11-19 04:18:03,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_pd [2023-11-19 04:18:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:18:03,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:18:03,859 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2023-11-19 04:18:03,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2023-11-19 04:18:03,859 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 04:18:03,859 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 04:18:05,432 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:18:05,436 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:18:06,014 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:18:33,423 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:18:35,542 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:18:35,542 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:18:35,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:18:35 BoogieIcfgContainer [2023-11-19 04:18:35,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:18:35,560 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:18:35,560 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:18:35,563 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:18:35,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:17:57" (1/3) ... [2023-11-19 04:18:35,564 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e89bcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:18:35, skipping insertion in model container [2023-11-19 04:18:35,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:02" (2/3) ... [2023-11-19 04:18:35,565 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e89bcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:18:35, skipping insertion in model container [2023-11-19 04:18:35,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:18:35" (3/3) ... [2023-11-19 04:18:35,566 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2023-11-19 04:18:35,587 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:18:35,587 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:18:35,682 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:18:35,688 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;@7e9cf34c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:18:35,688 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:18:35,702 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) [2023-11-19 04:18:35,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2023-11-19 04:18:35,739 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:18:35,740 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] [2023-11-19 04:18:35,741 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:18:35,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:18:35,746 INFO L85 PathProgramCache]: Analyzing trace with hash 586672883, now seen corresponding path program 1 times [2023-11-19 04:18:35,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:18:35,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7035550] [2023-11-19 04:18:35,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:18:35,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:18:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:18:38,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1745 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1745 trivial. 0 not checked. [2023-11-19 04:18:38,660 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:18:38,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7035550] [2023-11-19 04:18:38,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7035550] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:18:38,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:18:38,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:18:38,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765355358] [2023-11-19 04:18:38,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:18:38,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:18:38,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:18:38,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:18:38,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:18:38,720 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) [2023-11-19 04:18:39,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:18:43,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:18:45,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []