./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 cf1a7837 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_3bebfb35-ba8a-43ab-ba5c-4b835c9ca7cd/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bebfb35-ba8a-43ab-ba5c-4b835c9ca7cd/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bebfb35-ba8a-43ab-ba5c-4b835c9ca7cd/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bebfb35-ba8a-43ab-ba5c-4b835c9ca7cd/bin/utaipan-verify-NcY6lQBIFX/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_3bebfb35-ba8a-43ab-ba5c-4b835c9ca7cd/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bebfb35-ba8a-43ab-ba5c-4b835c9ca7cd/bin/utaipan-verify-NcY6lQBIFX --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-cf1a783 [2023-11-12 00:13:38,402 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:13:38,505 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bebfb35-ba8a-43ab-ba5c-4b835c9ca7cd/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:13:38,511 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:13:38,512 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:13:38,539 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:13:38,539 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:13:38,540 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:13:38,541 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:13:38,542 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:13:38,542 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:13:38,543 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:13:38,543 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:13:38,544 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:13:38,545 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:13:38,545 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:13:38,546 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:13:38,547 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:13:38,547 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:13:38,548 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:13:38,549 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:13:38,550 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:13:38,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:13:38,551 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:13:38,552 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:13:38,552 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:13:38,553 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:13:38,553 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:13:38,554 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:13:38,554 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:13:38,555 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:13:38,555 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:13:38,556 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:13:38,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:13:38,557 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:13:38,557 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:13:38,557 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:13:38,558 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:13:38,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:13:38,558 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:13:38,558 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:13:38,559 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:13:38,559 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_3bebfb35-ba8a-43ab-ba5c-4b835c9ca7cd/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bebfb35-ba8a-43ab-ba5c-4b835c9ca7cd/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9be531e7af87cba73be4f8246e93f3d32963d00e421fc44d0f45559eac1d9e7a [2023-11-12 00:13:38,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:13:38,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:13:38,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:13:38,948 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:13:38,948 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:13:38,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bebfb35-ba8a-43ab-ba5c-4b835c9ca7cd/bin/utaipan-verify-NcY6lQBIFX/../../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 [2023-11-12 00:13:42,238 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:13:42,957 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:13:42,958 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bebfb35-ba8a-43ab-ba5c-4b835c9ca7cd/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 [2023-11-12 00:13:43,012 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bebfb35-ba8a-43ab-ba5c-4b835c9ca7cd/bin/utaipan-verify-NcY6lQBIFX/data/177ff96ef/27fadd8ec2f24c9a9f330a6b0b6e165e/FLAG4e8005e64 [2023-11-12 00:13:43,029 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bebfb35-ba8a-43ab-ba5c-4b835c9ca7cd/bin/utaipan-verify-NcY6lQBIFX/data/177ff96ef/27fadd8ec2f24c9a9f330a6b0b6e165e [2023-11-12 00:13:43,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:13:43,037 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:13:43,039 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:13:43,039 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:13:43,046 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:13:43,047 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:13:43" (1/1) ... [2023-11-12 00:13:43,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@605badbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:43, skipping insertion in model container [2023-11-12 00:13:43,049 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:13:43" (1/1) ... [2023-11-12 00:13:43,245 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:13:46,444 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_3bebfb35-ba8a-43ab-ba5c-4b835c9ca7cd/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] [2023-11-12 00:13:46,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:13:46,636 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:13:46,810 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] [2023-11-12 00:13:46,812 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; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5103] [2023-11-12 00:13:46,814 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] [2023-11-12 00:13:46,815 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] [2023-11-12 00:13:46,815 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] [2023-11-12 00:13:46,815 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] [2023-11-12 00:13:46,816 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] [2023-11-12 00:13:46,817 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] [2023-11-12 00:13:46,818 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] [2023-11-12 00:13:46,819 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] [2023-11-12 00:13:46,820 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] [2023-11-12 00:13:46,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7666] [2023-11-12 00:13:46,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7668] [2023-11-12 00:13:46,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [7682] [2023-11-12 00:13:46,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7685] [2023-11-12 00:13:46,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7688] [2023-11-12 00:13:46,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7691] [2023-11-12 00:13:46,950 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] [2023-11-12 00:13:46,950 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] [2023-11-12 00:13:46,950 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] [2023-11-12 00:13:46,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [7745] [2023-11-12 00:13:46,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [7748] [2023-11-12 00:13:46,952 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [7750] [2023-11-12 00:13:46,952 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [7755] [2023-11-12 00:13:46,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [7758] [2023-11-12 00:13:46,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [7760] [2023-11-12 00:13:46,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [7765] [2023-11-12 00:13:46,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [7768] [2023-11-12 00:13:46,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [7770] [2023-11-12 00:13:46,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [7775] [2023-11-12 00:13:46,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [7778] [2023-11-12 00:13:46,956 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [7780] [2023-11-12 00:13:46,956 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [7798] [2023-11-12 00:13:46,957 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [7801] [2023-11-12 00:13:46,957 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [7803] [2023-11-12 00:13:46,957 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [7808] [2023-11-12 00:13:46,958 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [7811] [2023-11-12 00:13:46,958 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [7813] [2023-11-12 00:13:46,958 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [7818] [2023-11-12 00:13:46,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [7821] [2023-11-12 00:13:46,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [7823] [2023-11-12 00:13:46,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [7828] [2023-11-12 00:13:46,963 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [7831] [2023-11-12 00:13:46,964 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [7833] [2023-11-12 00:13:46,964 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7859] [2023-11-12 00:13:46,965 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7866] [2023-11-12 00:13:47,334 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_3bebfb35-ba8a-43ab-ba5c-4b835c9ca7cd/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] [2023-11-12 00:13:47,348 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:13:47,551 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:13:47,551 WARN L672 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:13:47,552 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:13:47,552 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:13:47,560 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:13:47,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:47 WrapperNode [2023-11-12 00:13:47,562 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:13:47,563 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:13:47,564 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:13:47,564 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:13:47,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:47" (1/1) ... [2023-11-12 00:13:47,751 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:47" (1/1) ... [2023-11-12 00:13:48,105 INFO L138 Inliner]: procedures = 371, calls = 4466, calls flagged for inlining = 169, calls inlined = 168, statements flattened = 10177 [2023-11-12 00:13:48,107 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:13:48,107 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:13:48,108 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:13:48,108 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:13:48,118 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:47" (1/1) ... [2023-11-12 00:13:48,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:47" (1/1) ... [2023-11-12 00:13:48,194 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:47" (1/1) ... [2023-11-12 00:13:48,195 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:47" (1/1) ... [2023-11-12 00:13:48,539 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:47" (1/1) ... [2023-11-12 00:13:48,590 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:47" (1/1) ... [2023-11-12 00:13:48,643 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:47" (1/1) ... [2023-11-12 00:13:48,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:47" (1/1) ... [2023-11-12 00:13:48,752 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:13:48,756 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:13:48,756 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:13:48,756 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:13:48,757 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:47" (1/1) ... [2023-11-12 00:13:48,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:13:48,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bebfb35-ba8a-43ab-ba5c-4b835c9ca7cd/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:13:48,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bebfb35-ba8a-43ab-ba5c-4b835c9ca7cd/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:13:48,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bebfb35-ba8a-43ab-ba5c-4b835c9ca7cd/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:13:48,849 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-12 00:13:48,849 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-12 00:13:48,849 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_open [2023-11-12 00:13:48,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_open [2023-11-12 00:13:48,850 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_write [2023-11-12 00:13:48,850 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_write [2023-11-12 00:13:48,850 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_close [2023-11-12 00:13:48,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_close [2023-11-12 00:13:48,850 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_qp [2023-11-12 00:13:48,850 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_qp [2023-11-12 00:13:48,851 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-12 00:13:48,851 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-12 00:13:48,852 INFO L130 BoogieDeclarations]: Found specification of procedure fdget [2023-11-12 00:13:48,852 INFO L138 BoogieDeclarations]: Found implementation of procedure fdget [2023-11-12 00:13:48,852 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2023-11-12 00:13:48,852 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2023-11-12 00:13:48,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:13:48,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:13:48,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:13:48,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:13:48,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:13:48,853 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:13:48,854 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_cq [2023-11-12 00:13:48,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_cq [2023-11-12 00:13:48,854 INFO L130 BoogieDeclarations]: Found specification of procedure show_ibdev [2023-11-12 00:13:48,854 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ibdev [2023-11-12 00:13:48,854 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_device [2023-11-12 00:13:48,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_device [2023-11-12 00:13:48,855 INFO L130 BoogieDeclarations]: Found specification of procedure fd_install [2023-11-12 00:13:48,855 INFO L138 BoogieDeclarations]: Found implementation of procedure fd_install [2023-11-12 00:13:48,855 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_close [2023-11-12 00:13:48,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_close [2023-11-12 00:13:48,855 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2023-11-12 00:13:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2023-11-12 00:13:48,856 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_to_udata [2023-11-12 00:13:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_to_udata [2023-11-12 00:13:48,856 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-12 00:13:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-12 00:13:48,856 INFO L130 BoogieDeclarations]: Found specification of procedure put_pd_read [2023-11-12 00:13:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pd_read [2023-11-12 00:13:48,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:13:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:13:48,857 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_qp [2023-11-12 00:13:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_qp [2023-11-12 00:13:48,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-12 00:13:48,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-12 00:13:48,858 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_uobj [2023-11-12 00:13:48,858 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_uobj [2023-11-12 00:13:48,858 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_xrcd [2023-11-12 00:13:48,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_xrcd [2023-11-12 00:13:48,858 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_file [2023-11-12 00:13:48,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_file [2023-11-12 00:13:48,859 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 00:13:48,859 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 00:13:48,859 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-12 00:13:48,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-12 00:13:48,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 00:13:48,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 00:13:48,860 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2023-11-12 00:13:48,860 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2023-11-12 00:13:48,860 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_pd [2023-11-12 00:13:48,860 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_pd [2023-11-12 00:13:48,860 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_srq [2023-11-12 00:13:48,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_srq [2023-11-12 00:13:48,861 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-11-12 00:13:48,861 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-11-12 00:13:48,861 INFO L130 BoogieDeclarations]: Found specification of procedure fdput [2023-11-12 00:13:48,861 INFO L138 BoogieDeclarations]: Found implementation of procedure fdput [2023-11-12 00:13:48,861 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-12 00:13:48,862 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-12 00:13:48,862 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_ucq [2023-11-12 00:13:48,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_ucq [2023-11-12 00:13:48,862 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-12 00:13:48,862 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-12 00:13:48,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:13:48,863 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:13:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:13:48,863 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:13:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_unmarshall_recv [2023-11-12 00:13:48,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_unmarshall_recv [2023-11-12 00:13:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure idr_add_uobj [2023-11-12 00:13:48,864 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_add_uobj [2023-11-12 00:13:48,864 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 00:13:48,864 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 00:13:48,864 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_ex_query_device [2023-11-12 00:13:48,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_ex_query_device [2023-11-12 00:13:48,865 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_uobj [2023-11-12 00:13:48,865 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_uobj [2023-11-12 00:13:48,865 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2023-11-12 00:13:48,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2023-11-12 00:13:48,865 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-12 00:13:48,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-12 00:13:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_mmap [2023-11-12 00:13:48,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_mmap [2023-11-12 00:13:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:13:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 00:13:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 00:13:48,866 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 00:13:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_poll [2023-11-12 00:13:48,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_poll [2023-11-12 00:13:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-12 00:13:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure __uverbs_create_xsrq [2023-11-12 00:13:48,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __uverbs_create_xsrq [2023-11-12 00:13:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_fasync [2023-11-12 00:13:48,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_fasync [2023-11-12 00:13:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure init_uobj [2023-11-12 00:13:48,868 INFO L138 BoogieDeclarations]: Found implementation of procedure init_uobj [2023-11-12 00:13:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure put_xrcd_read [2023-11-12 00:13:48,869 INFO L138 BoogieDeclarations]: Found implementation of procedure put_xrcd_read [2023-11-12 00:13:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure copy_query_dev_fields [2023-11-12 00:13:48,869 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_query_dev_fields [2023-11-12 00:13:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:13:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_alloc_event_file [2023-11-12 00:13:48,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_alloc_event_file [2023-11-12 00:13:48,870 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-11-12 00:13:48,870 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-11-12 00:13:48,870 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-12 00:13:48,870 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2023-11-12 00:13:48,870 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2023-11-12 00:13:48,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:13:48,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:13:48,871 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj [2023-11-12 00:13:48,871 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj [2023-11-12 00:13:48,871 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2023-11-12 00:13:48,871 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2023-11-12 00:13:48,871 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_read [2023-11-12 00:13:48,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_read [2023-11-12 00:13:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-12 00:13:48,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-12 00:13:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:13:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:13:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:13:48,872 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:13:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-12 00:13:48,873 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-12 00:13:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_obj [2023-11-12 00:13:48,873 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_obj [2023-11-12 00:13:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_qp [2023-11-12 00:13:48,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_qp [2023-11-12 00:13:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove_uobj [2023-11-12 00:13:48,874 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove_uobj [2023-11-12 00:13:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-12 00:13:48,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-12 00:13:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-12 00:13:48,874 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-12 00:13:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2023-11-12 00:13:48,875 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2023-11-12 00:13:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-12 00:13:48,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-12 00:13:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-12 00:13:48,875 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-12 00:13:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2023-11-12 00:13:48,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2023-11-12 00:13:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 00:13:48,876 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 00:13:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2023-11-12 00:13:48,876 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2023-11-12 00:13:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-12 00:13:48,876 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-12 00:13:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_read [2023-11-12 00:13:48,877 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_read [2023-11-12 00:13:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-12 00:13:48,877 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-12 00:13:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_srq [2023-11-12 00:13:48,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_srq [2023-11-12 00:13:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_write [2023-11-12 00:13:48,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_write [2023-11-12 00:13:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:13:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-12 00:13:48,878 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-12 00:13:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_search [2023-11-12 00:13:48,878 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_search [2023-11-12 00:13:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-12 00:13:48,879 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-12 00:13:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:13:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_mw [2023-11-12 00:13:48,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_mw [2023-11-12 00:13:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure __idr_get_uobj [2023-11-12 00:13:48,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __idr_get_uobj [2023-11-12 00:13:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_write [2023-11-12 00:13:48,880 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_write [2023-11-12 00:13:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-12 00:13:48,880 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-12 00:13:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:13:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure put_srq_read [2023-11-12 00:13:48,881 INFO L138 BoogieDeclarations]: Found implementation of procedure put_srq_read [2023-11-12 00:13:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:13:48,881 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:13:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dereg_mr [2023-11-12 00:13:48,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dereg_mr [2023-11-12 00:13:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure put_unused_fd [2023-11-12 00:13:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unused_fd [2023-11-12 00:13:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-12 00:13:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-12 00:13:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure create_cq [2023-11-12 00:13:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure create_cq [2023-11-12 00:13:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:13:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:13:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-12 00:13:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-12 00:13:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure modify_qp_mask [2023-11-12 00:13:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure modify_qp_mask [2023-11-12 00:13:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2023-11-12 00:13:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2023-11-12 00:13:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:13:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-12 00:13:48,884 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-12 00:13:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2023-11-12 00:13:48,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2023-11-12 00:13:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2023-11-12 00:13:48,884 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_zero_bit [2023-11-12 00:13:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-11-12 00:13:48,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-11-12 00:13:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-12 00:13:48,885 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-12 00:13:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:13:48,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:13:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-12 00:13:48,886 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-12 00:13:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-12 00:13:48,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-12 00:13:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:13:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure get_unused_fd_flags [2023-11-12 00:13:48,887 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unused_fd_flags [2023-11-12 00:13:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-12 00:13:48,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-12 00:13:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-12 00:13:48,887 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-12 00:13:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:13:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_xrcd [2023-11-12 00:13:48,888 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_xrcd [2023-11-12 00:13:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-12 00:13:48,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-12 00:13:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-12 00:13:48,889 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-12 00:13:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-11-12 00:13:48,889 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-11-12 00:13:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:13:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure ib_check_mr_access [2023-11-12 00:13:48,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_check_mr_access [2023-11-12 00:13:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-12 00:13:48,890 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-12 00:13:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 00:13:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:13:48,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:13:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2023-11-12 00:13:48,890 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2023-11-12 00:13:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-12 00:13:48,891 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-12 00:13:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_flow [2023-11-12 00:13:48,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_flow [2023-11-12 00:13:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:13:48,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:13:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get___0 [2023-11-12 00:13:48,892 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get___0 [2023-11-12 00:13:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_delete [2023-11-12 00:13:48,892 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_delete [2023-11-12 00:13:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_remove_one [2023-11-12 00:13:48,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_remove_one [2023-11-12 00:13:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-12 00:13:48,893 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-12 00:13:48,893 INFO L130 BoogieDeclarations]: Found specification of procedure ib_detach_mcast [2023-11-12 00:13:48,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_detach_mcast [2023-11-12 00:13:48,893 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-12 00:13:48,893 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-12 00:13:48,893 INFO L130 BoogieDeclarations]: Found specification of procedure show_dev_abi_version [2023-11-12 00:13:48,893 INFO L138 BoogieDeclarations]: Found implementation of procedure show_dev_abi_version [2023-11-12 00:13:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-11-12 00:13:48,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-11-12 00:13:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2023-11-12 00:13:48,894 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2023-11-12 00:13:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_cq [2023-11-12 00:13:48,894 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_cq [2023-11-12 00:13:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:13:48,895 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:13:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_srq [2023-11-12 00:13:48,895 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_srq [2023-11-12 00:13:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2023-11-12 00:13:48,895 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2023-11-12 00:13:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_add_one [2023-11-12 00:13:48,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_add_one [2023-11-12 00:13:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_read [2023-11-12 00:13:48,896 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_read [2023-11-12 00:13:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-12 00:13:48,896 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-12 00:13:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2023-11-12 00:13:48,896 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2023-11-12 00:13:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-12 00:13:48,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-12 00:13:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2023-11-12 00:13:48,897 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2023-11-12 00:13:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_from_udata [2023-11-12 00:13:48,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_from_udata [2023-11-12 00:13:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-12 00:13:48,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-12 00:13:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_uevent [2023-11-12 00:13:48,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_uevent [2023-11-12 00:13:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 00:13:48,898 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 00:13:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure put_cq_read [2023-11-12 00:13:48,898 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cq_read [2023-11-12 00:13:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_qp [2023-11-12 00:13:48,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_qp [2023-11-12 00:13:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:13:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure show_class_attr_string [2023-11-12 00:13:48,899 INFO L138 BoogieDeclarations]: Found implementation of procedure show_class_attr_string [2023-11-12 00:13:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_pd [2023-11-12 00:13:48,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_pd [2023-11-12 00:13:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:13:48,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:13:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2023-11-12 00:13:48,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2023-11-12 00:13:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 00:13:48,900 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 00:13:50,250 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:13:50,255 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:13:51,010 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:14:25,464 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:14:27,864 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:14:27,864 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:14:27,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:27 BoogieIcfgContainer [2023-11-12 00:14:27,873 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:14:27,878 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:14:27,878 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:14:27,882 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:14:27,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:13:43" (1/3) ... [2023-11-12 00:14:27,885 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@252220db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:14:27, skipping insertion in model container [2023-11-12 00:14:27,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:47" (2/3) ... [2023-11-12 00:14:27,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@252220db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:14:27, skipping insertion in model container [2023-11-12 00:14:27,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:27" (3/3) ... [2023-11-12 00:14:27,888 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2023-11-12 00:14:27,910 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:14:27,910 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:14:28,039 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:14:28,047 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;@5cfc7c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:14:28,047 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:14:28,066 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) [2023-11-12 00:14:28,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2023-11-12 00:14:28,114 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:14:28,115 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] [2023-11-12 00:14:28,116 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:14:28,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:14:28,122 INFO L85 PathProgramCache]: Analyzing trace with hash 586672883, now seen corresponding path program 1 times [2023-11-12 00:14:28,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:14:28,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012517920] [2023-11-12 00:14:28,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:14:28,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:14:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:14:31,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1745 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1745 trivial. 0 not checked. [2023-11-12 00:14:31,188 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:14:31,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012517920] [2023-11-12 00:14:31,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012517920] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:14:31,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:14:31,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:14:31,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635689648] [2023-11-12 00:14:31,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:14:31,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:14:31,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:14:31,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:14:31,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:14:31,253 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)