./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i --full-output --preprocessor.use.memory.slicer false --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fba957c5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8ced8072e726df9636846e62f3ac2249f60e5953eb5c965606e402590bf54d90 --preprocessor.use.memory.slicer false --- Real Ultimate output --- This is Ultimate 0.2.3-dev-fba957c-m [2023-11-23 10:17:55,481 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 10:17:55,558 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-23 10:17:55,561 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 10:17:55,561 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 10:17:55,578 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 10:17:55,581 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 10:17:55,581 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 10:17:55,582 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 10:17:55,585 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 10:17:55,585 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 10:17:55,585 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 10:17:55,586 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 10:17:55,587 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 10:17:55,587 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 10:17:55,588 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 10:17:55,588 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 10:17:55,588 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 10:17:55,588 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 10:17:55,588 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 10:17:55,589 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 10:17:55,604 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 10:17:55,604 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 10:17:55,604 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 10:17:55,604 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 10:17:55,605 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 10:17:55,605 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 10:17:55,605 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 10:17:55,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 10:17:55,605 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 10:17:55,605 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 10:17:55,606 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 10:17:55,606 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 10:17:55,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 10:17:55,606 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 10:17:55,606 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 10:17:55,606 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 10:17:55,606 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 10:17:55,607 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 10:17:55,607 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ced8072e726df9636846e62f3ac2249f60e5953eb5c965606e402590bf54d90 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> false [2023-11-23 10:17:55,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 10:17:55,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 10:17:55,822 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 10:17:55,822 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 10:17:55,823 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 10:17:55,824 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i [2023-11-23 10:17:56,904 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 10:17:57,689 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 10:17:57,689 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i [2023-11-23 10:17:57,751 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e593c118a/990dab5dfc394393ab316805c98e39f2/FLAG62aa35bf4 [2023-11-23 10:17:58,026 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e593c118a/990dab5dfc394393ab316805c98e39f2 [2023-11-23 10:17:58,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 10:17:58,029 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 10:17:58,030 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 10:17:58,030 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 10:17:58,034 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 10:17:58,035 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:17:58" (1/1) ... [2023-11-23 10:17:58,036 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11de65cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:17:58, skipping insertion in model container [2023-11-23 10:17:58,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:17:58" (1/1) ... [2023-11-23 10:17:58,244 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 10:18:01,395 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i[281164,281177] [2023-11-23 10:18:11,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 10:18:11,974 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 10:18:12,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6616] [2023-11-23 10:18:12,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [6623] [2023-11-23 10:18:12,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6630-6631] [2023-11-23 10:18:12,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr)); [6638] [2023-11-23 10:18:12,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr)); [6645] [2023-11-23 10:18:12,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [6658-6659] [2023-11-23 10:18:12,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("661:\n\tcall __sw_hweight64\n662:\n.section .altinstructions,\"a\"\n .balign 8 \n .quad 661b\n .quad 663f\n\t .word (4*32+23)\n\t .byte 662b-661b\n\t .byte 664f-663f\n.previous\n.section .discard,\"aw\",@progbits\n\t .byte 0xff + (664f-663f) - (662b-661b)\n.previous\n.section .altinstr_replacement, \"ax\"\n663:\n\t.byte 0xf3,0x48,0x0f,0xb8,0xc7\n664:\n.previous": "=a" (res): "D" (w)); [6670] [2023-11-23 10:18:12,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6743] [2023-11-23 10:18:12,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6745] [2023-11-23 10:18:12,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6747] [2023-11-23 10:18:12,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6750] [2023-11-23 10:18:12,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; addl %1,%0": "+m" (v->counter): "ir" (i)); [6768] [2023-11-23 10:18:12,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; incl %0": "+m" (v->counter)); [6775] [2023-11-23 10:18:12,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [6782-6783] [2023-11-23 10:18:12,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; xaddl %0, %1": "+r" (i), "+m" (v->counter): : "memory"); [6791-6792] [2023-11-23 10:18:12,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [6815] [2023-11-23 10:18:12,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [6817] [2023-11-23 10:18:12,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [6819] [2023-11-23 10:18:12,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [6822] [2023-11-23 10:18:12,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6959] [2023-11-23 10:18:12,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6968] [2023-11-23 10:18:12,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6971] [2023-11-23 10:18:12,099 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_bitmap.c.p"), "i" (215), "i" (12UL)); [7465-7466] [2023-11-23 10:18:12,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7535] [2023-11-23 10:18:12,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_bitmap.c.p"), "i" (288), "i" (12UL)); [7612-7613] [2023-11-23 10:18:12,104 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_bitmap.c.p"), "i" (296), "i" (12UL)); [7630-7631] [2023-11-23 10:18:12,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_bitmap.c.p"), "i" (377), "i" (12UL)); [7750-7751] [2023-11-23 10:18:12,106 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_bitmap.c.p"), "i" (378), "i" (12UL)); [7767-7768] [2023-11-23 10:18:12,217 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i[281164,281177] [2023-11-23 10:18:12,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10238] [2023-11-23 10:18:12,245 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; subl %1,%0": "+m" (v->counter): "ir" (i)); [10932] [2023-11-23 10:18:12,246 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; decl %0": "+m" (v->counter)); [10939] [2023-11-23 10:18:12,247 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10957] [2023-11-23 10:18:12,247 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10960] [2023-11-23 10:18:12,247 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10964] [2023-11-23 10:18:12,248 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10967] [2023-11-23 10:18:12,248 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (63), "i" (12UL)); [11052-11053] [2023-11-23 10:18:12,249 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (65), "i" (12UL)); [11062-11063] [2023-11-23 10:18:12,249 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (66), "i" (12UL)); [11072-11073] [2023-11-23 10:18:12,254 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [11202] [2023-11-23 10:18:12,257 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___0) [11393] [2023-11-23 10:18:12,310 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_worker.c.p"), "i" (645), "i" (12UL)); [12544-12545] [2023-11-23 10:18:12,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [14656-14657] [2023-11-23 10:18:12,397 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [14664] [2023-11-23 10:18:12,397 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [14671] [2023-11-23 10:18:12,399 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (63), "i" (12UL)); [14807-14808] [2023-11-23 10:18:12,400 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (65), "i" (12UL)); [14817-14818] [2023-11-23 10:18:12,400 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (66), "i" (12UL)); [14827-14828] [2023-11-23 10:18:12,405 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___0) [15158] [2023-11-23 10:18:12,409 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_req.h"), "i" (229), "i" (12UL)); [15464-15465] [2023-11-23 10:18:12,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_req.h"), "i" (238), "i" (12UL)); [15480-15481] [2023-11-23 10:18:12,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_vli.h"), "i" (162), "i" (12UL)); [15614-15615] [2023-11-23 10:18:12,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_receiver.c.p"), "i" (88), "i" (12UL)); [15703-15704] [2023-11-23 10:18:12,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_receiver.c.p"), "i" (89), "i" (12UL)); [15714-15715] [2023-11-23 10:18:12,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_receiver.c.p"), "i" (145), "i" (12UL)); [15814-15815] [2023-11-23 10:18:12,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [17009] [2023-11-23 10:18:12,488 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___1) [17496] [2023-11-23 10:18:12,493 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___8) [17884] [2023-11-23 10:18:12,519 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_receiver.c.p"), "i" (1719), "i" (12UL)); [18683-18684] [2023-11-23 10:18:12,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_receiver.c.p"), "i" (1720), "i" (12UL)); [18694-18695] [2023-11-23 10:18:12,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (disk->part0.dkstats)); [18949] [2023-11-23 10:18:12,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___0): "0" (disk->part0.dkstats)); [18966] [2023-11-23 10:18:12,808 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_req.h"), "i" (229), "i" (12UL)); [24791-24792] [2023-11-23 10:18:12,809 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_req.h"), "i" (238), "i" (12UL)); [24807-24808] [2023-11-23 10:18:12,811 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [24929] [2023-11-23 10:18:12,811 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [24931] [2023-11-23 10:18:12,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [24934] [2023-11-23 10:18:12,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [24936] [2023-11-23 10:18:12,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" ((mdev->vdisk)->part0.dkstats)); [24948] [2023-11-23 10:18:12,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___0): "0" (tmp->part0.dkstats)); [24954] [2023-11-23 10:18:12,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___1): "0" ((mdev->vdisk)->part0.dkstats)); [24960] [2023-11-23 10:18:12,830 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___2): "0" (tmp___0->part0.dkstats)); [24966] [2023-11-23 10:18:12,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [24999] [2023-11-23 10:18:12,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [25001] [2023-11-23 10:18:12,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [25004] [2023-11-23 10:18:12,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [25006] [2023-11-23 10:18:12,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" ((mdev->vdisk)->part0.dkstats)); [25018] [2023-11-23 10:18:12,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___0): "0" (tmp->part0.dkstats)); [25024] [2023-11-23 10:18:12,838 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_req.c.p"), "i" (347), "i" (12UL)); [25405-25406] [2023-11-23 10:18:12,839 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_req.c.p"), "i" (365), "i" (12UL)); [25447-25448] [2023-11-23 10:18:12,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [27020] [2023-11-23 10:18:12,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_actlog.c.p"), "i" (123), "i" (12UL)); [27182-27183] [2023-11-23 10:18:12,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_actlog.c.p"), "i" (911), "i" (12UL)); [28638-28639] [2023-11-23 10:18:12,986 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_actlog.c.p"), "i" (1068), "i" (12UL)); [29027-29028] [2023-11-23 10:18:12,992 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_int.h"), "i" (594), "i" (12UL)); [29601-29602] [2023-11-23 10:18:13,008 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_int.h"), "i" (619), "i" (12UL)); [29630-29631] [2023-11-23 10:18:13,106 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [33181] [2023-11-23 10:18:13,111 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [33377] [2023-11-23 10:18:13,156 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___4) [34891] [2023-11-23 10:18:13,260 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [37077] [2023-11-23 10:18:13,468 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___5) [48824] [2023-11-23 10:18:13,493 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 10:18:13,846 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 10:18:13,846 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 10:18:13,846 WARN L675 CHandler]: The function __bad_unaligned_access_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 10:18:13,846 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 10:18:13,846 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 10:18:13,852 INFO L206 MainTranslator]: Completed translation [2023-11-23 10:18:13,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:13 WrapperNode [2023-11-23 10:18:13,853 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 10:18:13,854 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 10:18:13,854 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 10:18:13,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 10:18:13,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:13" (1/1) ... [2023-11-23 10:18:14,495 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:13" (1/1) ... [2023-11-23 10:18:14,821 INFO L138 Inliner]: procedures = 895, calls = 21412, calls flagged for inlining = 343, calls inlined = 11, statements flattened = 3200 [2023-11-23 10:18:14,822 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 10:18:14,823 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 10:18:14,823 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 10:18:14,823 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 10:18:14,831 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:13" (1/1) ... [2023-11-23 10:18:14,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:13" (1/1) ... [2023-11-23 10:18:14,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:13" (1/1) ... [2023-11-23 10:18:14,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:13" (1/1) ... [2023-11-23 10:18:14,895 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:13" (1/1) ... [2023-11-23 10:18:14,908 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:13" (1/1) ... [2023-11-23 10:18:14,921 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:13" (1/1) ... [2023-11-23 10:18:14,930 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:13" (1/1) ... [2023-11-23 10:18:14,947 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 10:18:14,948 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 10:18:14,949 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 10:18:14,949 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 10:18:14,949 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:13" (1/1) ... [2023-11-23 10:18:14,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 10:18:14,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:18:14,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 10:18:15,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 10:18:15,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 10:18:15,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 10:18:15,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 10:18:15,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 10:18:15,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-11-23 10:18:15,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-11-23 10:18:15,056 INFO L130 BoogieDeclarations]: Found specification of procedure drbd_proc_open [2023-11-23 10:18:15,057 INFO L138 BoogieDeclarations]: Found implementation of procedure drbd_proc_open [2023-11-23 10:18:15,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2023-11-23 10:18:15,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2023-11-23 10:18:15,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 10:18:15,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-23 10:18:15,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-23 10:18:15,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2023-11-23 10:18:15,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2023-11-23 10:18:15,058 INFO L130 BoogieDeclarations]: Found specification of procedure drbd_proc_release [2023-11-23 10:18:15,058 INFO L138 BoogieDeclarations]: Found implementation of procedure drbd_proc_release [2023-11-23 10:18:15,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 10:18:15,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 10:18:15,370 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 10:18:15,371 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 10:18:15,469 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-23 10:18:20,605 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2023-11-23 10:18:20,605 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2023-11-23 10:18:20,620 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 10:18:20,822 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 10:18:20,822 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 10:18:20,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:18:20 BoogieIcfgContainer [2023-11-23 10:18:20,824 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 10:18:20,826 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 10:18:20,826 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 10:18:20,829 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 10:18:20,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:17:58" (1/3) ... [2023-11-23 10:18:20,829 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6203deec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:18:20, skipping insertion in model container [2023-11-23 10:18:20,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:13" (2/3) ... [2023-11-23 10:18:20,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6203deec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:18:20, skipping insertion in model container [2023-11-23 10:18:20,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:18:20" (3/3) ... [2023-11-23 10:18:20,832 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i [2023-11-23 10:18:20,846 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 10:18:20,846 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 10:18:20,888 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 10:18:20,894 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@57b97ae4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 10:18:20,894 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 10:18:20,899 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 36 states have internal predecessors, (47), 7 states have call successors, (7), 6 states have call predecessors, (7), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-23 10:18:20,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 10:18:20,907 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:18:20,907 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:18:20,908 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:18:20,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:18:20,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1139268334, now seen corresponding path program 1 times [2023-11-23 10:18:20,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:18:20,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369242317] [2023-11-23 10:18:20,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:18:20,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:18:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:22,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 10:18:22,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:18:22,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369242317] [2023-11-23 10:18:22,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369242317] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:18:22,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:18:22,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 10:18:22,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690783645] [2023-11-23 10:18:22,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:18:22,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 10:18:22,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:18:22,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 10:18:22,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 10:18:22,218 INFO L87 Difference]: Start difference. First operand has 48 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 36 states have internal predecessors, (47), 7 states have call successors, (7), 6 states have call predecessors, (7), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 10:18:23,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:18:23,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:18:23,825 INFO L93 Difference]: Finished difference Result 136 states and 185 transitions. [2023-11-23 10:18:23,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 10:18:23,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-23 10:18:23,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:18:23,833 INFO L225 Difference]: With dead ends: 136 [2023-11-23 10:18:23,834 INFO L226 Difference]: Without dead ends: 85 [2023-11-23 10:18:23,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 10:18:23,844 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 48 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-23 10:18:23,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 93 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-23 10:18:23,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-23 10:18:23,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 82. [2023-11-23 10:18:23,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 59 states have (on average 1.3559322033898304) internal successors, (80), 60 states have internal predecessors, (80), 12 states have call successors, (12), 11 states have call predecessors, (12), 10 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) [2023-11-23 10:18:23,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 104 transitions. [2023-11-23 10:18:23,893 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 104 transitions. Word has length 8 [2023-11-23 10:18:23,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:18:23,893 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 104 transitions. [2023-11-23 10:18:23,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 10:18:23,894 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 104 transitions. [2023-11-23 10:18:23,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 10:18:23,895 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:18:23,895 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:18:23,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 10:18:23,896 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:18:23,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:18:23,896 INFO L85 PathProgramCache]: Analyzing trace with hash 317027334, now seen corresponding path program 1 times [2023-11-23 10:18:23,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:18:23,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730114287] [2023-11-23 10:18:23,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:18:23,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:18:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:25,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 10:18:25,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:18:25,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730114287] [2023-11-23 10:18:25,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730114287] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:18:25,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:18:25,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 10:18:25,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516823584] [2023-11-23 10:18:25,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:18:25,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 10:18:25,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:18:25,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 10:18:25,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 10:18:25,439 INFO L87 Difference]: Start difference. First operand 82 states and 104 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 10:18:26,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:18:26,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:18:26,976 INFO L93 Difference]: Finished difference Result 179 states and 234 transitions. [2023-11-23 10:18:26,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 10:18:26,977 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-11-23 10:18:26,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:18:26,978 INFO L225 Difference]: With dead ends: 179 [2023-11-23 10:18:26,980 INFO L226 Difference]: Without dead ends: 97 [2023-11-23 10:18:26,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 10:18:26,982 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 9 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-23 10:18:26,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 85 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-23 10:18:26,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-23 10:18:26,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-11-23 10:18:26,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 74 states have (on average 1.3513513513513513) internal successors, (100), 75 states have internal predecessors, (100), 12 states have call successors, (12), 11 states have call predecessors, (12), 10 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) [2023-11-23 10:18:27,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 124 transitions. [2023-11-23 10:18:27,010 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 124 transitions. Word has length 17 [2023-11-23 10:18:27,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:18:27,010 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 124 transitions. [2023-11-23 10:18:27,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 10:18:27,010 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 124 transitions. [2023-11-23 10:18:27,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 10:18:27,012 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:18:27,012 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:18:27,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 10:18:27,012 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:18:27,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:18:27,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1985062193, now seen corresponding path program 1 times [2023-11-23 10:18:27,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:18:27,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638784058] [2023-11-23 10:18:27,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:18:27,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:18:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 10:18:28,887 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 10:18:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 10:18:30,377 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 10:18:30,378 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 10:18:30,379 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 10:18:30,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 10:18:30,382 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-23 10:18:30,384 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 10:18:30,472 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret972 could not be translated [2023-11-23 10:18:30,474 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret979 could not be translated [2023-11-23 10:18:30,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:18:30 BoogieIcfgContainer [2023-11-23 10:18:30,488 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 10:18:30,489 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 10:18:30,489 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 10:18:30,489 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 10:18:30,490 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:18:20" (3/4) ... [2023-11-23 10:18:30,491 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 10:18:30,492 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 10:18:30,494 INFO L158 Benchmark]: Toolchain (without parser) took 32463.31ms. Allocated memory was 228.6MB in the beginning and 998.2MB in the end (delta: 769.7MB). Free memory was 167.4MB in the beginning and 331.6MB in the end (delta: -164.2MB). Peak memory consumption was 605.7MB. Max. memory is 16.1GB. [2023-11-23 10:18:30,497 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 146.8MB. Free memory is still 106.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 10:18:30,497 INFO L158 Benchmark]: CACSL2BoogieTranslator took 15823.35ms. Allocated memory was 228.6MB in the beginning and 429.9MB in the end (delta: 201.3MB). Free memory was 167.4MB in the beginning and 117.4MB in the end (delta: 50.0MB). Peak memory consumption was 295.6MB. Max. memory is 16.1GB. [2023-11-23 10:18:30,498 INFO L158 Benchmark]: Boogie Procedure Inliner took 968.09ms. Allocated memory was 429.9MB in the beginning and 587.2MB in the end (delta: 157.3MB). Free memory was 117.4MB in the beginning and 335.5MB in the end (delta: -218.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-23 10:18:30,498 INFO L158 Benchmark]: Boogie Preprocessor took 124.63ms. Allocated memory is still 587.2MB. Free memory was 335.5MB in the beginning and 321.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 10:18:30,498 INFO L158 Benchmark]: RCFGBuilder took 5875.21ms. Allocated memory was 587.2MB in the beginning and 998.2MB in the end (delta: 411.0MB). Free memory was 321.9MB in the beginning and 440.7MB in the end (delta: -118.8MB). Peak memory consumption was 450.5MB. Max. memory is 16.1GB. [2023-11-23 10:18:30,498 INFO L158 Benchmark]: TraceAbstraction took 9662.40ms. Allocated memory is still 998.2MB. Free memory was 440.7MB in the beginning and 332.6MB in the end (delta: 108.0MB). Peak memory consumption was 221.0MB. Max. memory is 16.1GB. [2023-11-23 10:18:30,499 INFO L158 Benchmark]: Witness Printer took 3.16ms. Allocated memory is still 998.2MB. Free memory was 332.6MB in the beginning and 331.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 10:18:30,500 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 146.8MB. Free memory is still 106.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 15823.35ms. Allocated memory was 228.6MB in the beginning and 429.9MB in the end (delta: 201.3MB). Free memory was 167.4MB in the beginning and 117.4MB in the end (delta: 50.0MB). Peak memory consumption was 295.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 968.09ms. Allocated memory was 429.9MB in the beginning and 587.2MB in the end (delta: 157.3MB). Free memory was 117.4MB in the beginning and 335.5MB in the end (delta: -218.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 124.63ms. Allocated memory is still 587.2MB. Free memory was 335.5MB in the beginning and 321.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 5875.21ms. Allocated memory was 587.2MB in the beginning and 998.2MB in the end (delta: 411.0MB). Free memory was 321.9MB in the beginning and 440.7MB in the end (delta: -118.8MB). Peak memory consumption was 450.5MB. Max. memory is 16.1GB. * TraceAbstraction took 9662.40ms. Allocated memory is still 998.2MB. Free memory was 440.7MB in the beginning and 332.6MB in the end (delta: 108.0MB). Peak memory consumption was 221.0MB. Max. memory is 16.1GB. * Witness Printer took 3.16ms. Allocated memory is still 998.2MB. Free memory was 332.6MB in the beginning and 331.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 6616]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6616] - GenericResultAtLocation [Line: 6623]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [6623] - GenericResultAtLocation [Line: 6630]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6630-6631] - GenericResultAtLocation [Line: 6638]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr)); [6638] - GenericResultAtLocation [Line: 6645]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr)); [6645] - GenericResultAtLocation [Line: 6658]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [6658-6659] - GenericResultAtLocation [Line: 6670]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("661:\n\tcall __sw_hweight64\n662:\n.section .altinstructions,\"a\"\n .balign 8 \n .quad 661b\n .quad 663f\n\t .word (4*32+23)\n\t .byte 662b-661b\n\t .byte 664f-663f\n.previous\n.section .discard,\"aw\",@progbits\n\t .byte 0xff + (664f-663f) - (662b-661b)\n.previous\n.section .altinstr_replacement, \"ax\"\n663:\n\t.byte 0xf3,0x48,0x0f,0xb8,0xc7\n664:\n.previous": "=a" (res): "D" (w)); [6670] - GenericResultAtLocation [Line: 6743]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6743] - GenericResultAtLocation [Line: 6745]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6745] - GenericResultAtLocation [Line: 6747]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6747] - GenericResultAtLocation [Line: 6750]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6750] - GenericResultAtLocation [Line: 6768]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; addl %1,%0": "+m" (v->counter): "ir" (i)); [6768] - GenericResultAtLocation [Line: 6775]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; incl %0": "+m" (v->counter)); [6775] - GenericResultAtLocation [Line: 6782]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [6782-6783] - GenericResultAtLocation [Line: 6791]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; xaddl %0, %1": "+r" (i), "+m" (v->counter): : "memory"); [6791-6792] - GenericResultAtLocation [Line: 6815]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [6815] - GenericResultAtLocation [Line: 6817]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [6817] - GenericResultAtLocation [Line: 6819]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [6819] - GenericResultAtLocation [Line: 6822]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [6822] - GenericResultAtLocation [Line: 6959]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6959] - GenericResultAtLocation [Line: 6968]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6968] - GenericResultAtLocation [Line: 6971]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6971] - GenericResultAtLocation [Line: 7465]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_bitmap.c.p"), "i" (215), "i" (12UL)); [7465-7466] - GenericResultAtLocation [Line: 7535]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7535] - GenericResultAtLocation [Line: 7612]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_bitmap.c.p"), "i" (288), "i" (12UL)); [7612-7613] - GenericResultAtLocation [Line: 7630]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_bitmap.c.p"), "i" (296), "i" (12UL)); [7630-7631] - GenericResultAtLocation [Line: 7750]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_bitmap.c.p"), "i" (377), "i" (12UL)); [7750-7751] - GenericResultAtLocation [Line: 7767]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_bitmap.c.p"), "i" (378), "i" (12UL)); [7767-7768] - GenericResultAtLocation [Line: 10238]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10238] - GenericResultAtLocation [Line: 10932]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; subl %1,%0": "+m" (v->counter): "ir" (i)); [10932] - GenericResultAtLocation [Line: 10939]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; decl %0": "+m" (v->counter)); [10939] - GenericResultAtLocation [Line: 10957]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10957] - GenericResultAtLocation [Line: 10960]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10960] - GenericResultAtLocation [Line: 10964]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10964] - GenericResultAtLocation [Line: 10967]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10967] - GenericResultAtLocation [Line: 11052]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (63), "i" (12UL)); [11052-11053] - GenericResultAtLocation [Line: 11062]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (65), "i" (12UL)); [11062-11063] - GenericResultAtLocation [Line: 11072]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (66), "i" (12UL)); [11072-11073] - GenericResultAtLocation [Line: 11202]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [11202] - GenericResultAtLocation [Line: 11393]: Unsoundness Warning ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___0) [11393] - GenericResultAtLocation [Line: 12544]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_worker.c.p"), "i" (645), "i" (12UL)); [12544-12545] - GenericResultAtLocation [Line: 14656]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [14656-14657] - GenericResultAtLocation [Line: 14664]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [14664] - GenericResultAtLocation [Line: 14671]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [14671] - GenericResultAtLocation [Line: 14807]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (63), "i" (12UL)); [14807-14808] - GenericResultAtLocation [Line: 14817]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (65), "i" (12UL)); [14817-14818] - GenericResultAtLocation [Line: 14827]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (66), "i" (12UL)); [14827-14828] - GenericResultAtLocation [Line: 15158]: Unsoundness Warning ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___0) [15158] - GenericResultAtLocation [Line: 15464]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_req.h"), "i" (229), "i" (12UL)); [15464-15465] - GenericResultAtLocation [Line: 15480]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_req.h"), "i" (238), "i" (12UL)); [15480-15481] - GenericResultAtLocation [Line: 15614]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_vli.h"), "i" (162), "i" (12UL)); [15614-15615] - GenericResultAtLocation [Line: 15703]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_receiver.c.p"), "i" (88), "i" (12UL)); [15703-15704] - GenericResultAtLocation [Line: 15714]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_receiver.c.p"), "i" (89), "i" (12UL)); [15714-15715] - GenericResultAtLocation [Line: 15814]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_receiver.c.p"), "i" (145), "i" (12UL)); [15814-15815] - GenericResultAtLocation [Line: 17009]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [17009] - GenericResultAtLocation [Line: 17496]: Unsoundness Warning ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___1) [17496] - GenericResultAtLocation [Line: 17884]: Unsoundness Warning ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___8) [17884] - GenericResultAtLocation [Line: 18683]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_receiver.c.p"), "i" (1719), "i" (12UL)); [18683-18684] - GenericResultAtLocation [Line: 18694]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_receiver.c.p"), "i" (1720), "i" (12UL)); [18694-18695] - GenericResultAtLocation [Line: 18949]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (disk->part0.dkstats)); [18949] - GenericResultAtLocation [Line: 18966]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___0): "0" (disk->part0.dkstats)); [18966] - GenericResultAtLocation [Line: 24791]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_req.h"), "i" (229), "i" (12UL)); [24791-24792] - GenericResultAtLocation [Line: 24807]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_req.h"), "i" (238), "i" (12UL)); [24807-24808] - GenericResultAtLocation [Line: 24929]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [24929] - GenericResultAtLocation [Line: 24931]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [24931] - GenericResultAtLocation [Line: 24934]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [24934] - GenericResultAtLocation [Line: 24936]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [24936] - GenericResultAtLocation [Line: 24948]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" ((mdev->vdisk)->part0.dkstats)); [24948] - GenericResultAtLocation [Line: 24954]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___0): "0" (tmp->part0.dkstats)); [24954] - GenericResultAtLocation [Line: 24960]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___1): "0" ((mdev->vdisk)->part0.dkstats)); [24960] - GenericResultAtLocation [Line: 24966]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___2): "0" (tmp___0->part0.dkstats)); [24966] - GenericResultAtLocation [Line: 24999]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [24999] - GenericResultAtLocation [Line: 25001]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [25001] - GenericResultAtLocation [Line: 25004]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [25004] - GenericResultAtLocation [Line: 25006]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [25006] - GenericResultAtLocation [Line: 25018]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" ((mdev->vdisk)->part0.dkstats)); [25018] - GenericResultAtLocation [Line: 25024]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___0): "0" (tmp->part0.dkstats)); [25024] - GenericResultAtLocation [Line: 25405]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_req.c.p"), "i" (347), "i" (12UL)); [25405-25406] - GenericResultAtLocation [Line: 25447]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_req.c.p"), "i" (365), "i" (12UL)); [25447-25448] - GenericResultAtLocation [Line: 27020]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [27020] - GenericResultAtLocation [Line: 27182]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_actlog.c.p"), "i" (123), "i" (12UL)); [27182-27183] - GenericResultAtLocation [Line: 28638]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_actlog.c.p"), "i" (911), "i" (12UL)); [28638-28639] - GenericResultAtLocation [Line: 29027]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_actlog.c.p"), "i" (1068), "i" (12UL)); [29027-29028] - GenericResultAtLocation [Line: 29601]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_int.h"), "i" (594), "i" (12UL)); [29601-29602] - GenericResultAtLocation [Line: 29630]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_int.h"), "i" (619), "i" (12UL)); [29630-29631] - GenericResultAtLocation [Line: 33181]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [33181] - GenericResultAtLocation [Line: 33377]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [33377] - GenericResultAtLocation [Line: 34891]: Unsoundness Warning ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___4) [34891] - GenericResultAtLocation [Line: 37077]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [37077] - GenericResultAtLocation [Line: 48824]: Unsoundness Warning ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___5) [48824] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret972 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret979 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 10085]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of large string literal at line 30360. Possible FailurePath: [L7002] int fault_rate ; [L7059] rwlock_t global_state_lock ; [L10081] int LDV_IN_INTERRUPT ; [L10089] int ldv_module_refcounter = 1; [L10213] struct proc_dir_entry *drbd_proc ; [L10278-L10307] struct file_operations const drbd_proc_fops = {& __this_module, & seq_lseek, & seq_read, (ssize_t (*)(struct file * , char const * , size_t , loff_t * ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, (unsigned int (*)(struct file * , struct poll_table_struct * ))0, (long (*)(struct file * , unsigned int , unsigned long ))0, (long (*)(struct file * , unsigned int , unsigned long ))0, (int (*)(struct file * , struct vm_area_struct * ))0, & drbd_proc_open, (int (*)(struct file * , fl_owner_t ))0, & drbd_proc_release, (int (*)(struct file * , int ))0, (int (*)(struct kiocb * , int ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file * , int , loff_t , loff_t ))0}; [L11264] wait_queue_head_t drbd_pp_wait ; [L15095] mempool_t *drbd_ee_mempool ; [L15098] int drbd_pp_vacant ; [L22328-L22383] static struct data_cmd drbd_cmd_handler[43U] = { {1, 32UL, & receive_Data}, {1, 32UL, & receive_DataReply}, {1, 32UL, & receive_RSDataReply}, {0, 16UL, & receive_Barrier}, {1, 8UL, & receive_bitmap}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 8UL, & receive_UnplugRemote}, {0, 32UL, & receive_DataRequest}, {0, 32UL, & receive_DataRequest}, {1, 8UL, & receive_SyncParam}, {1, 32UL, & receive_protocol}, {0, 56UL, & receive_uuids}, {0, 40UL, & receive_sizes}, {0, 12UL, & receive_state}, {0, 16UL, & receive_sync_uuid}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 16UL, & receive_req_state}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 32UL, & receive_DataRequest}, {1, 32UL, & receive_DataRequest}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {1, 32UL, & receive_DataRequest}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {1, 8UL, & receive_SyncParam}, {1, 8UL, & receive_bitmap}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 16UL, & receive_skip}, {0, 24UL, & receive_out_of_sync}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}}; [L24428] int allow_oos ; [L24430] mempool_t *drbd_request_mempool ; [L29586] int disable_sendpage ; [L29589] int enable_faults ; [L29591] int fault_devs ; [L29593] struct drbd_conf **minor_table ; [L29657] struct kmem_cache *drbd_request_cache ; [L29658] struct kmem_cache *drbd_ee_cache ; [L29659] struct kmem_cache *drbd_bm_ext_cache ; [L29660] struct kmem_cache *drbd_al_ext_cache ; [L29663] struct page *drbd_pp_pool ; [L29664] spinlock_t drbd_pp_lock ; [L29669] int proc_details ; [L30357-L30365] static struct mutex drbd_main_mutex = {{1}, {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "drbd_main_mutex.wait_lock", 0, 0UL}}}}, {& drbd_main_mutex.wait_list, & drbd_main_mutex.wait_list}, (struct task_struct *)0, (char const *)0, (void *)(& drbd_main_mutex), {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "drbd_main_mutex", 0, 0UL}}; [L30376] static int fault_count ; [L30377] unsigned int minor_count = 32U; [L30378] unsigned int cn_idx = 8U; [L30379-L30383] char usermode_helper[80U] = { (char )'/', (char )'s', (char )'b', (char )'i', (char )'n', (char )'/', (char )'d', (char )'r', (char )'b', (char )'d', (char )'a', (char )'d', (char )'m', (char )'\000'}; [L30384-L30389] struct ratelimit_state drbd_ratelimit_state = {{{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "drbd_ratelimit_state.lock", 0, 0UL}}}}, 1250, 5, 0, 0, 0UL}; [L30390-L30401] static struct block_device_operations const drbd_ops = {& drbd_open, & drbd_release, (int (*)(struct block_device * , fmode_t , unsigned int , unsigned long ))0, (int (*)(struct block_device * , fmode_t , unsigned int , unsigned long ))0, (int (*)(struct block_device * , sector_t , void ** , unsigned long * ))0, (unsigned int (*)(struct gendisk * , unsigned int ))0, (int (*)(struct gendisk * ))0, (void (*)(struct gendisk * ))0, (int (*)(struct gendisk * ))0, (int (*)(struct block_device * , struct hd_geometry * ))0, (void (*)(struct block_device * , unsigned long ))0, & __this_module}; [L36025] static struct notifier_block drbd_notifier = {& drbd_notify_sys, (struct notifier_block *)0, 0}; [L37468-L37474] static char const *drbd_conn_s_names[24U] = { "StandAlone", "Disconnecting", "Unconnected", "Timeout", "BrokenPipe", "NetworkFailure", "ProtocolError", "TearDown", "WFConnection", "WFReportParams", "Connected", "StartingSyncS", "StartingSyncT", "WFBitMapS", "WFBitMapT", "WFSyncUUID", "SyncSource", "SyncTarget", "VerifyS", "VerifyT", "PausedSyncS", "PausedSyncT", "Ahead", "Behind"}; [L37475] static char const *drbd_role_s_names[3U] = { "Unknown", "Primary", "Secondary"}; [L37476-L37479] static char const *drbd_disk_s_names[9U] = { "Diskless", "Attaching", "Failed", "Negotiating", "Inconsistent", "Outdated", "DUnknown", "Consistent", "UpToDate"}; [L37480-L37485] static char const *drbd_state_sw_errors[20U] = { (char const *)0, "Multiple primaries not allowed by config", "Need access to UpToDate data", (char const *)0, "Can not resync without local disk", "Can not resync without remote disk", "Refusing to be Outdated while Connected", "Refusing to be Primary while peer is not outdated", "Can not start OV/resync since it is already active", "Can not disconnect a StandAlone device", "State change was refused by peer node", "Device is diskless, the requested operation requires a disk", "Device is held open by someone", "Have no net/connection configuration", "Need a verify algorithm to start online verify", "Need a connection to start verify or resync", "Disk state is lower than outdated", "Peer does not support protocol", "In transient state, retry after next state change", "Concurrent state changes detected and aborted"}; [L37804-L37889] static struct tag const tag_descriptions[85U] = { {(char const *)0, 0, 0}, {"primary_force", 32768, 4}, {"disk_size", 16384, 8}, {"backing_dev", 57344, 128}, {"meta_dev", 57344, 128}, {"meta_dev_idx", 8192, 4}, {"on_io_error", 0, 4}, {"fencing", 0, 4}, {"my_addr", 57344, 128}, {"peer_addr", 57344, 128}, {"shared_secret", 49152, 64}, {"cram_hmac_alg", 49152, 64}, {(char const *)0, 0, 0}, {(char const *)0, 0, 0}, {"timeout", 0, 4}, {"wire_protocol", 8192, 4}, {"try_connect_int", 0, 4}, {"ping_int", 0, 4}, {"max_epoch_size", 0, 4}, {"max_buffers", 0, 4}, {"unplug_watermark", 0, 4}, {"sndbuf_size", 0, 4}, {"ko_count", 0, 4}, {(char const *)0, 0, 0}, {"after_sb_0p", 0, 4}, {"after_sb_1p", 0, 4}, {"after_sb_2p", 0, 4}, {"want_lose", 32768, 4}, {"two_primaries", 32768, 4}, {"resize_size", 16384, 8}, {"rate", 0, 4}, {"after", 0, 4}, {"al_extents", 0, 4}, {"state_i", 0, 4}, {"uuids", 49152, 32}, {"uuids_flags", 0, 4}, {"use_degraded", 32768, 4}, {"use_bmbv", 32768, 4}, {"helper", 49152, 32}, {"rr_conflict", 0, 4}, {"ping_timeo", 0, 4}, {"always_asbp", 32768, 4}, {(char const *)0, 0, 0}, {"sync_progress", 0, 4}, {"integrity_alg", 49152, 64}, {"dump_ee_reason", 49152, 32}, {"seen_digest", 49152, 64}, {"calc_digest", 49152, 64}, {"ee_sector", 16384, 8}, {"ee_block_id", 16384, 8}, {"ee_data", 49152, 32768}, {"cpu_mask", 49152, 32}, {"verify_alg", 49152, 64}, {"no_disk_flush", 32768, 4}, {"no_md_flush", 32768, 4}, {(char const *)0, 0, 0}, {"max_bio_bvecs", 0, 4}, {"no_disk_barrier", 32768, 4}, {"no_disk_drain", 32768, 4}, {(char const *)0, 0, 0}, {"mind_af", 40960, 4}, {"no_cork", 32768, 4}, {"auto_sndbuf_size", 40960, 4}, {"clear_bm", 40960, 4}, {"csums_alg", 49152, 64}, {"use_rle", 32768, 4}, {"start_sector", 16384, 8}, {"rcvbuf_size", 0, 4}, {"resize_force", 32768, 4}, {"no_resync", 40960, 4}, {"dry_run", 40960, 4}, {(char const *)0, 0, 0}, {(char const *)0, 0, 0}, {(char const *)0, 0, 0}, {(char const *)0, 0, 0}, {"on_no_data", 0, 4}, {"c_plan_ahead", 0, 4}, {"c_delay_target", 0, 4}, {"c_fill_target", 0, 4}, {"c_max_rate", 0, 4}, {"c_min_rate", 0, 4}, {"on_congestion", 0, 4}, {"cong_fill", 0, 4}, {"cong_extents", 0, 4}, {"force", 32768, 4}}; [L37894] static char *drbd_m_holder = (char *)"Hands off! this is DRBD\'s meta data device."; [L48088-L48121] static struct cn_handler_struct cnd_table[27U] = { {(int (*)(struct drbd_conf * , struct drbd_nl_cfg_req * , struct drbd_nl_cfg_reply * ))0, 0}, {& drbd_nl_primary, 0}, {& drbd_nl_secondary, 0}, {& drbd_nl_disk_conf, 0}, {& drbd_nl_detach, 0}, {& drbd_nl_net_conf, 0}, {& drbd_nl_disconnect, 0}, {& drbd_nl_resize, 0}, {& drbd_nl_syncer_conf, 0}, {& drbd_nl_invalidate, 0}, {& drbd_nl_invalidate_peer, 0}, {& drbd_nl_pause_sync, 0}, {& drbd_nl_resume_sync, 0}, {& drbd_nl_suspend_io, 0}, {& drbd_nl_resume_io, 0}, {& drbd_nl_outdate, 0}, {& drbd_nl_get_config, 1312}, {& drbd_nl_get_state, 16}, {& drbd_nl_get_uuids, 48}, {& drbd_nl_get_timeout_flag, 8}, {(int (*)(struct drbd_conf * , struct drbd_nl_cfg_req * , struct drbd_nl_cfg_reply * ))0, 0}, {(int (*)(struct drbd_conf * , struct drbd_nl_cfg_req * , struct drbd_nl_cfg_reply * ))0, 0}, {(int (*)(struct drbd_conf * , struct drbd_nl_cfg_req * , struct drbd_nl_cfg_reply * ))0, 0}, {(int (*)(struct drbd_conf * , struct drbd_nl_cfg_req * , struct drbd_nl_cfg_reply * ))0, 0}, {(int (*)(struct drbd_conf * , struct drbd_nl_cfg_req * , struct drbd_nl_cfg_reply * ))0, 0}, {& drbd_nl_start_ov, 0}, {& drbd_nl_new_c_uuid, 0}}; [L48229] static atomic_t drbd_nl_seq = {2}; [L10746] struct inode *var_group1 ; [L10747] struct file *var_group2 ; [L10748] int res_drbd_proc_open_4 ; [L10749] int ldv_s_drbd_proc_fops_file_operations ; [L10750] int tmp ; [L10751] int tmp___0 ; [L10754] ldv_s_drbd_proc_fops_file_operations = 0 [L10755] LDV_IN_INTERRUPT = 1 [L10756] FCALL ldv_initialize() [L10802] tmp___0 = __VERIFIER_nondet_int() [L10804] COND TRUE tmp___0 != 0 VAL [LDV_IN_INTERRUPT=1, __this_module={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1490:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1492:0}, drbd_pp_pool={1491:0}, drbd_pp_vacant=0, drbd_pp_wait={1489:0}, drbd_proc={0:0}, drbd_proc_fops={1488:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1487:0}, ldv_module_refcounter=1, ldv_s_drbd_proc_fops_file_operations=0, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, tmp___0=1, usermode_helper={1494:0}] [L10761] tmp = __VERIFIER_nondet_int() [L10763] COND TRUE tmp == 0 VAL [LDV_IN_INTERRUPT=1, __this_module={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1490:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1492:0}, drbd_pp_pool={1491:0}, drbd_pp_vacant=0, drbd_pp_wait={1489:0}, drbd_proc={0:0}, drbd_proc_fops={1488:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1487:0}, ldv_module_refcounter=1, ldv_s_drbd_proc_fops_file_operations=0, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, tmp=0, tmp___0=1, usermode_helper={1494:0}] [L10772] COND TRUE ldv_s_drbd_proc_fops_file_operations == 0 VAL [LDV_IN_INTERRUPT=1, __this_module={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1490:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1492:0}, drbd_pp_pool={1491:0}, drbd_pp_vacant=0, drbd_pp_wait={1489:0}, drbd_proc={0:0}, drbd_proc_fops={1488:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1487:0}, ldv_module_refcounter=1, ldv_s_drbd_proc_fops_file_operations=0, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, tmp=0, tmp___0=1, usermode_helper={1494:0}] [L10774] CALL, EXPR drbd_proc_open(var_group1, var_group2) VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1490:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1492:0}, drbd_pp_pool={1491:0}, drbd_pp_vacant=0, drbd_pp_wait={1489:0}, drbd_proc={0:0}, drbd_proc_fops={1488:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1487:0}, ldv_module_refcounter=1, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] [L10716] struct proc_dir_entry *tmp ; [L10717] int tmp___0 ; [L10718] int tmp___1 ; VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1490:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1492:0}, drbd_pp_pool={1491:0}, drbd_pp_vacant=0, drbd_pp_wait={1489:0}, drbd_proc={0:0}, drbd_proc_fops={1488:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, file={1152921504606846986:1152921504606846982}, file={1152921504606846986:1152921504606846982}, global_state_lock={1487:0}, inode={1152921504606846989:-1355835689417651968534}, inode={1152921504606846989:-1355835689417651968534}, ldv_module_refcounter=1, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] [L10721] CALL, EXPR ldv_try_module_get_1(& __this_module) VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1490:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1492:0}, drbd_pp_pool={1491:0}, drbd_pp_vacant=0, drbd_pp_wait={1489:0}, drbd_proc={0:0}, drbd_proc_fops={1488:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1487:0}, ldv_module_refcounter=1, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] [L10821] int tmp ; [L10824] CALL, EXPR ldv_try_module_get(module) [L10101] int module_get_succeeded ; VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1490:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1492:0}, drbd_pp_pool={1491:0}, drbd_pp_vacant=0, drbd_pp_wait={1489:0}, drbd_proc={0:0}, drbd_proc_fops={1488:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1487:0}, ldv_module_refcounter=1, minor_count=32, minor_table={0:0}, module={-1504:1505}, module={-1504:1505}, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] [L10103] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) [L10105] CALL, EXPR ldv_undefined_int() [L49395] return __VERIFIER_nondet_int(); [L10105] RET, EXPR ldv_undefined_int() [L10105] module_get_succeeded = ldv_undefined_int() [L10107] COND TRUE module_get_succeeded == 1 [L10108] ldv_module_refcounter = ldv_module_refcounter + 1 [L10109] return (1); VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, \result=1, __this_module={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1490:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1492:0}, drbd_pp_pool={1491:0}, drbd_pp_vacant=0, drbd_pp_wait={1489:0}, drbd_proc={0:0}, drbd_proc_fops={1488:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1487:0}, ldv_module_refcounter=2, minor_count=32, minor_table={0:0}, module={-1504:1505}, module={-1504:1505}, module_get_succeeded=1, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] [L10824] RET, EXPR ldv_try_module_get(module) [L10824] tmp = ldv_try_module_get(module) [L10826] return (tmp); [L10721] RET, EXPR ldv_try_module_get_1(& __this_module) VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1490:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1492:0}, drbd_pp_pool={1491:0}, drbd_pp_vacant=0, drbd_pp_wait={1489:0}, drbd_proc={0:0}, drbd_proc_fops={1488:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, file={1152921504606846986:1152921504606846982}, file={1152921504606846986:1152921504606846982}, global_state_lock={1487:0}, inode={1152921504606846989:-1355835689417651968534}, inode={1152921504606846989:-1355835689417651968534}, ldv_module_refcounter=2, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] [L10721] tmp___1 = ldv_try_module_get_1(& __this_module) [L10723] COND TRUE tmp___1 != 0 [L10725] CALL, EXPR PDE((struct inode const *)inode) [L10179] struct proc_inode *tmp ; [L10182] CALL, EXPR PROC_I(inode) [L10172] struct inode const *__mptr ; [L10174] __mptr = inode [L10175] return ((struct proc_inode *)__mptr + 0x0fffffffffffffc0UL); [L10182] RET, EXPR PROC_I(inode) [L10182] tmp = PROC_I(inode) [L10184] EXPR tmp->pde [L10184] return (tmp->pde); [L10725] RET, EXPR PDE((struct inode const *)inode) [L10725] tmp = PDE((struct inode const *)inode) [L10726] EXPR tmp->data [L10726] CALL, EXPR single_open(file, & drbd_seq_show, tmp->data) [L49504] return __VERIFIER_nondet_int(); [L10726] RET, EXPR single_open(file, & drbd_seq_show, tmp->data) [L10726] tmp___0 = single_open(file, & drbd_seq_show, tmp->data) [L10728] return (tmp___0); VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, \result=1506, __this_module={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1490:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1492:0}, drbd_pp_pool={1491:0}, drbd_pp_vacant=0, drbd_pp_wait={1489:0}, drbd_proc={0:0}, drbd_proc_fops={1488:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, file={1152921504606846986:1152921504606846982}, file={1152921504606846986:1152921504606846982}, global_state_lock={1487:0}, inode={1152921504606846989:-1355835689417651968534}, inode={1152921504606846989:-1355835689417651968534}, ldv_module_refcounter=2, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, tmp={1152921504606846977:1152921504606846979}, tmp___0=1506, tmp___1=1, usermode_helper={1494:0}] [L10774] RET, EXPR drbd_proc_open(var_group1, var_group2) VAL [LDV_IN_INTERRUPT=1, __this_module={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1490:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1492:0}, drbd_pp_pool={1491:0}, drbd_pp_vacant=0, drbd_pp_wait={1489:0}, drbd_proc={0:0}, drbd_proc_fops={1488:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1487:0}, ldv_module_refcounter=2, ldv_s_drbd_proc_fops_file_operations=0, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, tmp=0, tmp___0=1, usermode_helper={1494:0}, var_group1={1152921504606846989:-1355835689417651968534}, var_group2={1152921504606846986:1152921504606846982}] [L10774] res_drbd_proc_open_4 = drbd_proc_open(var_group1, var_group2) [L10775] FCALL ldv_check_return_value(res_drbd_proc_open_4) [L10777] COND TRUE res_drbd_proc_open_4 != 0 VAL [LDV_IN_INTERRUPT=1, __this_module={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1490:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1492:0}, drbd_pp_pool={1491:0}, drbd_pp_vacant=0, drbd_pp_wait={1489:0}, drbd_proc={0:0}, drbd_proc_fops={1488:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1487:0}, ldv_module_refcounter=2, ldv_s_drbd_proc_fops_file_operations=0, minor_count=32, minor_table={0:0}, proc_details=0, res_drbd_proc_open_4=1506, tag_descriptions={1502:0}, tmp=0, tmp___0=1, usermode_helper={1494:0}, var_group1={1152921504606846989:-1355835689417651968534}, var_group2={1152921504606846986:1152921504606846982}] [L10815] CALL ldv_check_final_state() [L10153] COND TRUE ldv_module_refcounter != 1 VAL [LDV_IN_INTERRUPT=1, __this_module={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1490:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1492:0}, drbd_pp_pool={1491:0}, drbd_pp_vacant=0, drbd_pp_wait={1489:0}, drbd_proc={0:0}, drbd_proc_fops={1488:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1487:0}, ldv_module_refcounter=2, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] [L10155] CALL ldv_blast_assert() VAL [LDV_IN_INTERRUPT=1, __this_module={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1490:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1492:0}, drbd_pp_pool={1491:0}, drbd_pp_vacant=0, drbd_pp_wait={1489:0}, drbd_proc={0:0}, drbd_proc_fops={1488:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1487:0}, ldv_module_refcounter=2, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] [L10085] reach_error() VAL [LDV_IN_INTERRUPT=1, __this_module={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1490:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1492:0}, drbd_pp_pool={1491:0}, drbd_pp_vacant=0, drbd_pp_wait={1489:0}, drbd_proc={0:0}, drbd_proc_fops={1488:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1487:0}, ldv_module_refcounter=2, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 58 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 57 mSDsluCounter, 178 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 83 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 95 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=97occurred in iteration=2, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 45 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 10:18:30,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8ced8072e726df9636846e62f3ac2249f60e5953eb5c965606e402590bf54d90 --preprocessor.use.memory.slicer false --- Real Ultimate output --- This is Ultimate 0.2.3-dev-fba957c-m [2023-11-23 10:18:32,797 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 10:18:32,868 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-23 10:18:32,871 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 10:18:32,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 10:18:32,890 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 10:18:32,892 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 10:18:32,892 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 10:18:32,893 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 10:18:32,896 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 10:18:32,896 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 10:18:32,896 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 10:18:32,896 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 10:18:32,897 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 10:18:32,898 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 10:18:32,898 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 10:18:32,898 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 10:18:32,898 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 10:18:32,898 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 10:18:32,899 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 10:18:32,899 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 10:18:32,899 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 10:18:32,899 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 10:18:32,899 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 10:18:32,900 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 10:18:32,900 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 10:18:32,900 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 10:18:32,900 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 10:18:32,901 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 10:18:32,901 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 10:18:32,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 10:18:32,902 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 10:18:32,902 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 10:18:32,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 10:18:32,902 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-23 10:18:32,902 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 10:18:32,903 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 10:18:32,903 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 10:18:32,903 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 10:18:32,904 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 10:18:32,904 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 10:18:32,904 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-23 10:18:32,904 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ced8072e726df9636846e62f3ac2249f60e5953eb5c965606e402590bf54d90 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> false [2023-11-23 10:18:33,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 10:18:33,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 10:18:33,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 10:18:33,204 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 10:18:33,204 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 10:18:33,205 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i [2023-11-23 10:18:34,293 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 10:18:35,188 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 10:18:35,189 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i [2023-11-23 10:18:35,280 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7ea3e3a7/954a27e7e054484a872882bf2030bc91/FLAG8a9b93d9e [2023-11-23 10:18:35,295 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7ea3e3a7/954a27e7e054484a872882bf2030bc91 [2023-11-23 10:18:35,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 10:18:35,300 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 10:18:35,304 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 10:18:35,304 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 10:18:35,308 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 10:18:35,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:18:35" (1/1) ... [2023-11-23 10:18:35,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d69e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:35, skipping insertion in model container [2023-11-23 10:18:35,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:18:35" (1/1) ... [2023-11-23 10:18:35,661 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 10:18:39,195 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i[281164,281177] [2023-11-23 10:18:50,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 10:18:50,949 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-23 10:18:51,060 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 10:18:51,220 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i[281164,281177] [2023-11-23 10:18:51,866 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 10:18:51,887 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 10:18:51,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6616] [2023-11-23 10:18:51,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [6623] [2023-11-23 10:18:51,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6630-6631] [2023-11-23 10:18:51,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr)); [6638] [2023-11-23 10:18:51,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr)); [6645] [2023-11-23 10:18:51,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [6658-6659] [2023-11-23 10:18:51,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("661:\n\tcall __sw_hweight64\n662:\n.section .altinstructions,\"a\"\n .balign 8 \n .quad 661b\n .quad 663f\n\t .word (4*32+23)\n\t .byte 662b-661b\n\t .byte 664f-663f\n.previous\n.section .discard,\"aw\",@progbits\n\t .byte 0xff + (664f-663f) - (662b-661b)\n.previous\n.section .altinstr_replacement, \"ax\"\n663:\n\t.byte 0xf3,0x48,0x0f,0xb8,0xc7\n664:\n.previous": "=a" (res): "D" (w)); [6670] [2023-11-23 10:18:51,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6743] [2023-11-23 10:18:51,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6745] [2023-11-23 10:18:51,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6747] [2023-11-23 10:18:51,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6750] [2023-11-23 10:18:51,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; addl %1,%0": "+m" (v->counter): "ir" (i)); [6768] [2023-11-23 10:18:51,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; incl %0": "+m" (v->counter)); [6775] [2023-11-23 10:18:51,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [6782-6783] [2023-11-23 10:18:51,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; xaddl %0, %1": "+r" (i), "+m" (v->counter): : "memory"); [6791-6792] [2023-11-23 10:18:51,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [6815] [2023-11-23 10:18:51,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [6817] [2023-11-23 10:18:51,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [6819] [2023-11-23 10:18:51,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [6822] [2023-11-23 10:18:51,986 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6959] [2023-11-23 10:18:51,987 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6968] [2023-11-23 10:18:51,987 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6971] [2023-11-23 10:18:52,009 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_bitmap.c.p"), "i" (215), "i" (12UL)); [7465-7466] [2023-11-23 10:18:52,109 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7535] [2023-11-23 10:18:52,110 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_bitmap.c.p"), "i" (288), "i" (12UL)); [7612-7613] [2023-11-23 10:18:52,111 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_bitmap.c.p"), "i" (296), "i" (12UL)); [7630-7631] [2023-11-23 10:18:52,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_bitmap.c.p"), "i" (377), "i" (12UL)); [7750-7751] [2023-11-23 10:18:52,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_bitmap.c.p"), "i" (378), "i" (12UL)); [7767-7768] [2023-11-23 10:18:52,195 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i[281164,281177] [2023-11-23 10:18:52,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10238] [2023-11-23 10:18:52,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; subl %1,%0": "+m" (v->counter): "ir" (i)); [10932] [2023-11-23 10:18:52,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; decl %0": "+m" (v->counter)); [10939] [2023-11-23 10:18:52,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10957] [2023-11-23 10:18:52,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10960] [2023-11-23 10:18:52,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10964] [2023-11-23 10:18:52,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10967] [2023-11-23 10:18:52,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (63), "i" (12UL)); [11052-11053] [2023-11-23 10:18:52,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (65), "i" (12UL)); [11062-11063] [2023-11-23 10:18:52,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (66), "i" (12UL)); [11072-11073] [2023-11-23 10:18:52,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [11202] [2023-11-23 10:18:52,217 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___0) [11393] [2023-11-23 10:18:52,242 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_worker.c.p"), "i" (645), "i" (12UL)); [12544-12545] [2023-11-23 10:18:52,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [14656-14657] [2023-11-23 10:18:52,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [14664] [2023-11-23 10:18:52,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [14671] [2023-11-23 10:18:52,281 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (63), "i" (12UL)); [14807-14808] [2023-11-23 10:18:52,281 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (65), "i" (12UL)); [14817-14818] [2023-11-23 10:18:52,282 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (66), "i" (12UL)); [14827-14828] [2023-11-23 10:18:52,287 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___0) [15158] [2023-11-23 10:18:52,292 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_req.h"), "i" (229), "i" (12UL)); [15464-15465] [2023-11-23 10:18:52,292 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_req.h"), "i" (238), "i" (12UL)); [15480-15481] [2023-11-23 10:18:52,294 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_vli.h"), "i" (162), "i" (12UL)); [15614-15615] [2023-11-23 10:18:52,296 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_receiver.c.p"), "i" (88), "i" (12UL)); [15703-15704] [2023-11-23 10:18:52,296 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_receiver.c.p"), "i" (89), "i" (12UL)); [15714-15715] [2023-11-23 10:18:52,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_receiver.c.p"), "i" (145), "i" (12UL)); [15814-15815] [2023-11-23 10:18:52,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [17009] [2023-11-23 10:18:52,385 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___1) [17496] [2023-11-23 10:18:52,390 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___8) [17884] [2023-11-23 10:18:52,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_receiver.c.p"), "i" (1719), "i" (12UL)); [18683-18684] [2023-11-23 10:18:52,406 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_receiver.c.p"), "i" (1720), "i" (12UL)); [18694-18695] [2023-11-23 10:18:52,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (disk->part0.dkstats)); [18949] [2023-11-23 10:18:52,413 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___0): "0" (disk->part0.dkstats)); [18966] [2023-11-23 10:18:52,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_req.h"), "i" (229), "i" (12UL)); [24791-24792] [2023-11-23 10:18:52,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_req.h"), "i" (238), "i" (12UL)); [24807-24808] [2023-11-23 10:18:52,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [24929] [2023-11-23 10:18:52,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [24931] [2023-11-23 10:18:52,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [24934] [2023-11-23 10:18:52,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [24936] [2023-11-23 10:18:52,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" ((mdev->vdisk)->part0.dkstats)); [24948] [2023-11-23 10:18:52,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___0): "0" (tmp->part0.dkstats)); [24954] [2023-11-23 10:18:52,527 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___1): "0" ((mdev->vdisk)->part0.dkstats)); [24960] [2023-11-23 10:18:52,527 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___2): "0" (tmp___0->part0.dkstats)); [24966] [2023-11-23 10:18:52,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [24999] [2023-11-23 10:18:52,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [25001] [2023-11-23 10:18:52,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [25004] [2023-11-23 10:18:52,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [25006] [2023-11-23 10:18:52,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" ((mdev->vdisk)->part0.dkstats)); [25018] [2023-11-23 10:18:52,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___0): "0" (tmp->part0.dkstats)); [25024] [2023-11-23 10:18:52,538 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_req.c.p"), "i" (347), "i" (12UL)); [25405-25406] [2023-11-23 10:18:52,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_req.c.p"), "i" (365), "i" (12UL)); [25447-25448] [2023-11-23 10:18:52,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [27020] [2023-11-23 10:18:52,624 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_actlog.c.p"), "i" (123), "i" (12UL)); [27182-27183] [2023-11-23 10:18:52,650 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_actlog.c.p"), "i" (911), "i" (12UL)); [28638-28639] [2023-11-23 10:18:52,654 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_actlog.c.p"), "i" (1068), "i" (12UL)); [29027-29028] [2023-11-23 10:18:52,662 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_int.h"), "i" (594), "i" (12UL)); [29601-29602] [2023-11-23 10:18:52,663 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_int.h"), "i" (619), "i" (12UL)); [29630-29631] [2023-11-23 10:18:52,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [33181] [2023-11-23 10:18:52,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [33377] [2023-11-23 10:18:52,775 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___4) [34891] [2023-11-23 10:18:52,933 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [37077] [2023-11-23 10:18:53,211 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___5) [48824] [2023-11-23 10:18:53,242 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 10:18:53,670 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 10:18:53,671 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 10:18:53,671 WARN L675 CHandler]: The function __bad_unaligned_access_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 10:18:53,671 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 10:18:53,671 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 10:18:53,678 INFO L206 MainTranslator]: Completed translation [2023-11-23 10:18:53,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:53 WrapperNode [2023-11-23 10:18:53,679 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 10:18:53,680 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 10:18:53,680 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 10:18:53,680 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 10:18:53,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:53" (1/1) ... [2023-11-23 10:18:54,019 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:53" (1/1) ... [2023-11-23 10:18:54,161 INFO L138 Inliner]: procedures = 910, calls = 21411, calls flagged for inlining = 345, calls inlined = 11, statements flattened = 3188 [2023-11-23 10:18:54,162 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 10:18:54,163 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 10:18:54,163 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 10:18:54,163 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 10:18:54,172 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:53" (1/1) ... [2023-11-23 10:18:54,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:53" (1/1) ... [2023-11-23 10:18:54,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:53" (1/1) ... [2023-11-23 10:18:54,187 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:53" (1/1) ... [2023-11-23 10:18:54,238 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:53" (1/1) ... [2023-11-23 10:18:54,248 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:53" (1/1) ... [2023-11-23 10:18:54,263 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:53" (1/1) ... [2023-11-23 10:18:54,272 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:53" (1/1) ... [2023-11-23 10:18:54,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 10:18:54,288 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 10:18:54,288 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 10:18:54,288 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 10:18:54,289 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:53" (1/1) ... [2023-11-23 10:18:54,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 10:18:54,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:18:54,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 10:18:54,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 10:18:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 10:18:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 10:18:54,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 10:18:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 10:18:54,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-11-23 10:18:54,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-11-23 10:18:54,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-23 10:18:54,399 INFO L130 BoogieDeclarations]: Found specification of procedure drbd_proc_open [2023-11-23 10:18:54,399 INFO L138 BoogieDeclarations]: Found implementation of procedure drbd_proc_open [2023-11-23 10:18:54,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 10:18:54,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 10:18:54,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2023-11-23 10:18:54,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2023-11-23 10:18:54,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2023-11-23 10:18:54,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-23 10:18:54,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-23 10:18:54,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2023-11-23 10:18:54,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2023-11-23 10:18:54,401 INFO L130 BoogieDeclarations]: Found specification of procedure drbd_proc_release [2023-11-23 10:18:54,401 INFO L138 BoogieDeclarations]: Found implementation of procedure drbd_proc_release [2023-11-23 10:18:54,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 10:18:54,754 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 10:18:54,756 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 10:18:54,867 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-23 10:19:01,952 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2023-11-23 10:19:01,952 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2023-11-23 10:19:02,074 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 10:19:02,552 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 10:19:02,552 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 10:19:02,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:19:02 BoogieIcfgContainer [2023-11-23 10:19:02,553 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 10:19:02,554 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 10:19:02,554 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 10:19:02,556 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 10:19:02,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:18:35" (1/3) ... [2023-11-23 10:19:02,558 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73ea60a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:19:02, skipping insertion in model container [2023-11-23 10:19:02,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:53" (2/3) ... [2023-11-23 10:19:02,559 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73ea60a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:19:02, skipping insertion in model container [2023-11-23 10:19:02,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:19:02" (3/3) ... [2023-11-23 10:19:02,561 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i [2023-11-23 10:19:02,575 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 10:19:02,575 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 10:19:02,617 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 10:19:02,623 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5230f776, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 10:19:02,623 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 10:19:02,627 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 36 states have internal predecessors, (47), 7 states have call successors, (7), 6 states have call predecessors, (7), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-23 10:19:02,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 10:19:02,632 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:19:02,633 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:19:02,634 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:19:02,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:19:02,641 INFO L85 PathProgramCache]: Analyzing trace with hash -741059564, now seen corresponding path program 1 times [2023-11-23 10:19:02,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 10:19:02,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [184515758] [2023-11-23 10:19:02,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:19:02,669 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 10:19:02,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-11-23 10:19:02,671 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 10:19:02,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 10:19:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:07,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 6092 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 10:19:07,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 10:19:07,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 10:19:07,214 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 10:19:07,215 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 10:19:07,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [184515758] [2023-11-23 10:19:07,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [184515758] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:19:07,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:19:07,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 10:19:07,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921945500] [2023-11-23 10:19:07,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:19:07,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 10:19:07,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 10:19:07,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 10:19:07,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 10:19:07,252 INFO L87 Difference]: Start difference. First operand has 48 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 36 states have internal predecessors, (47), 7 states have call successors, (7), 6 states have call predecessors, (7), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 10:19:09,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:19:09,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:19:09,906 INFO L93 Difference]: Finished difference Result 136 states and 185 transitions. [2023-11-23 10:19:09,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 10:19:09,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-23 10:19:09,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:19:09,914 INFO L225 Difference]: With dead ends: 136 [2023-11-23 10:19:09,914 INFO L226 Difference]: Without dead ends: 85 [2023-11-23 10:19:09,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 10:19:09,918 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 48 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-23 10:19:09,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 93 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2023-11-23 10:19:09,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-23 10:19:09,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 82. [2023-11-23 10:19:09,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 59 states have (on average 1.3559322033898304) internal successors, (80), 60 states have internal predecessors, (80), 12 states have call successors, (12), 11 states have call predecessors, (12), 10 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) [2023-11-23 10:19:09,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 104 transitions. [2023-11-23 10:19:09,970 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 104 transitions. Word has length 8 [2023-11-23 10:19:09,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:19:09,970 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 104 transitions. [2023-11-23 10:19:09,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 10:19:09,971 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 104 transitions. [2023-11-23 10:19:09,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 10:19:09,972 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:19:09,972 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:19:10,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 10:19:10,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 10:19:10,189 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:19:10,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:19:10,189 INFO L85 PathProgramCache]: Analyzing trace with hash 690431838, now seen corresponding path program 1 times [2023-11-23 10:19:10,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 10:19:10,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1822358783] [2023-11-23 10:19:10,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:19:10,196 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 10:19:10,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-11-23 10:19:10,197 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 10:19:10,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 10:19:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:14,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 6117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 10:19:14,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 10:19:14,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 10:19:14,232 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 10:19:14,232 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 10:19:14,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1822358783] [2023-11-23 10:19:14,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1822358783] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:19:14,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:19:14,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 10:19:14,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550033431] [2023-11-23 10:19:14,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:19:14,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 10:19:14,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 10:19:14,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 10:19:14,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 10:19:14,235 INFO L87 Difference]: Start difference. First operand 82 states and 104 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 10:19:16,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:19:16,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:19:16,898 INFO L93 Difference]: Finished difference Result 179 states and 234 transitions. [2023-11-23 10:19:16,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 10:19:16,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-11-23 10:19:16,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:19:16,899 INFO L225 Difference]: With dead ends: 179 [2023-11-23 10:19:16,900 INFO L226 Difference]: Without dead ends: 97 [2023-11-23 10:19:16,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 10:19:16,901 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 9 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-23 10:19:16,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 85 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2023-11-23 10:19:16,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-23 10:19:16,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-11-23 10:19:16,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 74 states have (on average 1.3513513513513513) internal successors, (100), 75 states have internal predecessors, (100), 12 states have call successors, (12), 11 states have call predecessors, (12), 10 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) [2023-11-23 10:19:16,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 124 transitions. [2023-11-23 10:19:16,913 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 124 transitions. Word has length 17 [2023-11-23 10:19:16,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:19:16,914 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 124 transitions. [2023-11-23 10:19:16,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 10:19:16,914 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 124 transitions. [2023-11-23 10:19:16,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 10:19:16,916 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:19:16,916 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:19:16,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 10:19:17,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 10:19:17,144 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:19:17,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:19:17,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1624369381, now seen corresponding path program 1 times [2023-11-23 10:19:17,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 10:19:17,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [938481118] [2023-11-23 10:19:17,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:19:17,150 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 10:19:17,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-11-23 10:19:17,152 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 10:19:17,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 10:19:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:20,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 6129 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 10:19:20,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 10:19:21,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 10:19:21,359 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 10:19:21,360 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 10:19:21,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [938481118] [2023-11-23 10:19:21,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [938481118] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:19:21,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:19:21,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 10:19:21,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984362676] [2023-11-23 10:19:21,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:19:21,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 10:19:21,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 10:19:21,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 10:19:21,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 10:19:21,362 INFO L87 Difference]: Start difference. First operand 97 states and 124 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 10:19:23,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:19:25,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:19:27,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:19:29,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:19:31,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:19:32,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:19:32,478 INFO L93 Difference]: Finished difference Result 155 states and 199 transitions. [2023-11-23 10:19:32,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 10:19:32,478 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2023-11-23 10:19:32,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:19:32,479 INFO L225 Difference]: With dead ends: 155 [2023-11-23 10:19:32,479 INFO L226 Difference]: Without dead ends: 103 [2023-11-23 10:19:32,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-23 10:19:32,480 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 3 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2023-11-23 10:19:32,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 255 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 5 Unknown, 0 Unchecked, 11.0s Time] [2023-11-23 10:19:32,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-11-23 10:19:32,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2023-11-23 10:19:32,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 78 states have (on average 1.3333333333333333) internal successors, (104), 80 states have internal predecessors, (104), 12 states have call successors, (12), 11 states have call predecessors, (12), 12 states have return successors, (14), 11 states have call predecessors, (14), 10 states have call successors, (14) [2023-11-23 10:19:32,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 130 transitions. [2023-11-23 10:19:32,488 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 130 transitions. Word has length 24 [2023-11-23 10:19:32,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:19:32,488 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 130 transitions. [2023-11-23 10:19:32,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 10:19:32,489 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 130 transitions. [2023-11-23 10:19:32,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 10:19:32,489 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:19:32,489 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:19:32,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-23 10:19:32,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 10:19:32,696 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:19:32,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:19:32,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1881918119, now seen corresponding path program 1 times [2023-11-23 10:19:32,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 10:19:32,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [192833917] [2023-11-23 10:19:32,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:19:32,704 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 10:19:32,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-11-23 10:19:32,705 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 10:19:32,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-23 10:20:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 10:20:24,457 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 10:21:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 10:21:27,900 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-23 10:21:27,900 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 10:21:27,901 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 10:21:27,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-23 10:21:28,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 10:21:28,104 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-23 10:21:28,107 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 10:21:28,181 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret938 could not be translated [2023-11-23 10:21:28,184 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret945 could not be translated [2023-11-23 10:21:28,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:21:28 BoogieIcfgContainer [2023-11-23 10:21:28,198 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 10:21:28,198 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 10:21:28,198 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 10:21:28,198 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 10:21:28,203 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:19:02" (3/4) ... [2023-11-23 10:21:28,205 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 10:21:28,206 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 10:21:28,206 INFO L158 Benchmark]: Toolchain (without parser) took 172906.02ms. Allocated memory was 81.8MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 30.5MB in the beginning and 1.2GB in the end (delta: -1.2GB). Peak memory consumption was 326.0MB. Max. memory is 16.1GB. [2023-11-23 10:21:28,206 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 54.5MB. Free memory was 33.1MB in the beginning and 33.1MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 10:21:28,207 INFO L158 Benchmark]: CACSL2BoogieTranslator took 18375.48ms. Allocated memory was 81.8MB in the beginning and 673.2MB in the end (delta: 591.4MB). Free memory was 30.3MB in the beginning and 373.3MB in the end (delta: -343.0MB). Peak memory consumption was 404.8MB. Max. memory is 16.1GB. [2023-11-23 10:21:28,207 INFO L158 Benchmark]: Boogie Procedure Inliner took 481.59ms. Allocated memory is still 673.2MB. Free memory was 373.3MB in the beginning and 326.1MB in the end (delta: 47.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-23 10:21:28,207 INFO L158 Benchmark]: Boogie Preprocessor took 124.51ms. Allocated memory is still 673.2MB. Free memory was 326.1MB in the beginning and 310.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 10:21:28,208 INFO L158 Benchmark]: RCFGBuilder took 8264.61ms. Allocated memory was 673.2MB in the beginning and 1.3GB in the end (delta: 673.2MB). Free memory was 310.4MB in the beginning and 660.4MB in the end (delta: -350.0MB). Peak memory consumption was 729.8MB. Max. memory is 16.1GB. [2023-11-23 10:21:28,208 INFO L158 Benchmark]: TraceAbstraction took 145643.65ms. Allocated memory was 1.3GB in the beginning and 1.6GB in the end (delta: 270.5MB). Free memory was 660.4MB in the beginning and 1.2GB in the end (delta: -580.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 10:21:28,208 INFO L158 Benchmark]: Witness Printer took 7.71ms. Allocated memory is still 1.6GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 10:21:28,218 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 54.5MB. Free memory was 33.1MB in the beginning and 33.1MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 18375.48ms. Allocated memory was 81.8MB in the beginning and 673.2MB in the end (delta: 591.4MB). Free memory was 30.3MB in the beginning and 373.3MB in the end (delta: -343.0MB). Peak memory consumption was 404.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 481.59ms. Allocated memory is still 673.2MB. Free memory was 373.3MB in the beginning and 326.1MB in the end (delta: 47.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 124.51ms. Allocated memory is still 673.2MB. Free memory was 326.1MB in the beginning and 310.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 8264.61ms. Allocated memory was 673.2MB in the beginning and 1.3GB in the end (delta: 673.2MB). Free memory was 310.4MB in the beginning and 660.4MB in the end (delta: -350.0MB). Peak memory consumption was 729.8MB. Max. memory is 16.1GB. * TraceAbstraction took 145643.65ms. Allocated memory was 1.3GB in the beginning and 1.6GB in the end (delta: 270.5MB). Free memory was 660.4MB in the beginning and 1.2GB in the end (delta: -580.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.71ms. Allocated memory is still 1.6GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 6616]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6616] - GenericResultAtLocation [Line: 6623]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [6623] - GenericResultAtLocation [Line: 6630]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6630-6631] - GenericResultAtLocation [Line: 6638]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr)); [6638] - GenericResultAtLocation [Line: 6645]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr)); [6645] - GenericResultAtLocation [Line: 6658]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [6658-6659] - GenericResultAtLocation [Line: 6670]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("661:\n\tcall __sw_hweight64\n662:\n.section .altinstructions,\"a\"\n .balign 8 \n .quad 661b\n .quad 663f\n\t .word (4*32+23)\n\t .byte 662b-661b\n\t .byte 664f-663f\n.previous\n.section .discard,\"aw\",@progbits\n\t .byte 0xff + (664f-663f) - (662b-661b)\n.previous\n.section .altinstr_replacement, \"ax\"\n663:\n\t.byte 0xf3,0x48,0x0f,0xb8,0xc7\n664:\n.previous": "=a" (res): "D" (w)); [6670] - GenericResultAtLocation [Line: 6743]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6743] - GenericResultAtLocation [Line: 6745]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6745] - GenericResultAtLocation [Line: 6747]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6747] - GenericResultAtLocation [Line: 6750]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6750] - GenericResultAtLocation [Line: 6768]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; addl %1,%0": "+m" (v->counter): "ir" (i)); [6768] - GenericResultAtLocation [Line: 6775]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; incl %0": "+m" (v->counter)); [6775] - GenericResultAtLocation [Line: 6782]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [6782-6783] - GenericResultAtLocation [Line: 6791]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; xaddl %0, %1": "+r" (i), "+m" (v->counter): : "memory"); [6791-6792] - GenericResultAtLocation [Line: 6815]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [6815] - GenericResultAtLocation [Line: 6817]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [6817] - GenericResultAtLocation [Line: 6819]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [6819] - GenericResultAtLocation [Line: 6822]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [6822] - GenericResultAtLocation [Line: 6959]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6959] - GenericResultAtLocation [Line: 6968]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6968] - GenericResultAtLocation [Line: 6971]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6971] - GenericResultAtLocation [Line: 7465]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_bitmap.c.p"), "i" (215), "i" (12UL)); [7465-7466] - GenericResultAtLocation [Line: 7535]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7535] - GenericResultAtLocation [Line: 7612]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_bitmap.c.p"), "i" (288), "i" (12UL)); [7612-7613] - GenericResultAtLocation [Line: 7630]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_bitmap.c.p"), "i" (296), "i" (12UL)); [7630-7631] - GenericResultAtLocation [Line: 7750]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_bitmap.c.p"), "i" (377), "i" (12UL)); [7750-7751] - GenericResultAtLocation [Line: 7767]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_bitmap.c.p"), "i" (378), "i" (12UL)); [7767-7768] - GenericResultAtLocation [Line: 10238]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10238] - GenericResultAtLocation [Line: 10932]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; subl %1,%0": "+m" (v->counter): "ir" (i)); [10932] - GenericResultAtLocation [Line: 10939]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; decl %0": "+m" (v->counter)); [10939] - GenericResultAtLocation [Line: 10957]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10957] - GenericResultAtLocation [Line: 10960]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10960] - GenericResultAtLocation [Line: 10964]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10964] - GenericResultAtLocation [Line: 10967]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10967] - GenericResultAtLocation [Line: 11052]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (63), "i" (12UL)); [11052-11053] - GenericResultAtLocation [Line: 11062]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (65), "i" (12UL)); [11062-11063] - GenericResultAtLocation [Line: 11072]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (66), "i" (12UL)); [11072-11073] - GenericResultAtLocation [Line: 11202]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [11202] - GenericResultAtLocation [Line: 11393]: Unsoundness Warning ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___0) [11393] - GenericResultAtLocation [Line: 12544]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_worker.c.p"), "i" (645), "i" (12UL)); [12544-12545] - GenericResultAtLocation [Line: 14656]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [14656-14657] - GenericResultAtLocation [Line: 14664]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [14664] - GenericResultAtLocation [Line: 14671]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [14671] - GenericResultAtLocation [Line: 14807]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (63), "i" (12UL)); [14807-14808] - GenericResultAtLocation [Line: 14817]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (65), "i" (12UL)); [14817-14818] - GenericResultAtLocation [Line: 14827]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (66), "i" (12UL)); [14827-14828] - GenericResultAtLocation [Line: 15158]: Unsoundness Warning ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___0) [15158] - GenericResultAtLocation [Line: 15464]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_req.h"), "i" (229), "i" (12UL)); [15464-15465] - GenericResultAtLocation [Line: 15480]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_req.h"), "i" (238), "i" (12UL)); [15480-15481] - GenericResultAtLocation [Line: 15614]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_vli.h"), "i" (162), "i" (12UL)); [15614-15615] - GenericResultAtLocation [Line: 15703]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_receiver.c.p"), "i" (88), "i" (12UL)); [15703-15704] - GenericResultAtLocation [Line: 15714]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_receiver.c.p"), "i" (89), "i" (12UL)); [15714-15715] - GenericResultAtLocation [Line: 15814]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_receiver.c.p"), "i" (145), "i" (12UL)); [15814-15815] - GenericResultAtLocation [Line: 17009]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [17009] - GenericResultAtLocation [Line: 17496]: Unsoundness Warning ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___1) [17496] - GenericResultAtLocation [Line: 17884]: Unsoundness Warning ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___8) [17884] - GenericResultAtLocation [Line: 18683]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_receiver.c.p"), "i" (1719), "i" (12UL)); [18683-18684] - GenericResultAtLocation [Line: 18694]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_receiver.c.p"), "i" (1720), "i" (12UL)); [18694-18695] - GenericResultAtLocation [Line: 18949]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (disk->part0.dkstats)); [18949] - GenericResultAtLocation [Line: 18966]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___0): "0" (disk->part0.dkstats)); [18966] - GenericResultAtLocation [Line: 24791]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_req.h"), "i" (229), "i" (12UL)); [24791-24792] - GenericResultAtLocation [Line: 24807]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_req.h"), "i" (238), "i" (12UL)); [24807-24808] - GenericResultAtLocation [Line: 24929]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [24929] - GenericResultAtLocation [Line: 24931]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [24931] - GenericResultAtLocation [Line: 24934]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [24934] - GenericResultAtLocation [Line: 24936]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [24936] - GenericResultAtLocation [Line: 24948]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" ((mdev->vdisk)->part0.dkstats)); [24948] - GenericResultAtLocation [Line: 24954]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___0): "0" (tmp->part0.dkstats)); [24954] - GenericResultAtLocation [Line: 24960]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___1): "0" ((mdev->vdisk)->part0.dkstats)); [24960] - GenericResultAtLocation [Line: 24966]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___2): "0" (tmp___0->part0.dkstats)); [24966] - GenericResultAtLocation [Line: 24999]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [24999] - GenericResultAtLocation [Line: 25001]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [25001] - GenericResultAtLocation [Line: 25004]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [25004] - GenericResultAtLocation [Line: 25006]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [25006] - GenericResultAtLocation [Line: 25018]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" ((mdev->vdisk)->part0.dkstats)); [25018] - GenericResultAtLocation [Line: 25024]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___0): "0" (tmp->part0.dkstats)); [25024] - GenericResultAtLocation [Line: 25405]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_req.c.p"), "i" (347), "i" (12UL)); [25405-25406] - GenericResultAtLocation [Line: 25447]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_req.c.p"), "i" (365), "i" (12UL)); [25447-25448] - GenericResultAtLocation [Line: 27020]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [27020] - GenericResultAtLocation [Line: 27182]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_actlog.c.p"), "i" (123), "i" (12UL)); [27182-27183] - GenericResultAtLocation [Line: 28638]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_actlog.c.p"), "i" (911), "i" (12UL)); [28638-28639] - GenericResultAtLocation [Line: 29027]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/drbd/drbd.ko--X--unsafe1_safe6linux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/19/dscv_tempdir/dscv/ri/08_1/drivers/block/drbd/drbd_actlog.c.p"), "i" (1068), "i" (12UL)); [29027-29028] - GenericResultAtLocation [Line: 29601]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_int.h"), "i" (594), "i" (12UL)); [29601-29602] - GenericResultAtLocation [Line: 29630]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/drivers/block/drbd/drbd_int.h"), "i" (619), "i" (12UL)); [29630-29631] - GenericResultAtLocation [Line: 33181]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [33181] - GenericResultAtLocation [Line: 33377]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [33377] - GenericResultAtLocation [Line: 34891]: Unsoundness Warning ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___4) [34891] - GenericResultAtLocation [Line: 37077]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [37077] - GenericResultAtLocation [Line: 48824]: Unsoundness Warning ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___5) [48824] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret938 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret945 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 10085]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of large string literal at line 30360. Possible FailurePath: [L7001] int enable_faults ; [L7059] rwlock_t global_state_lock ; [L10081] int LDV_IN_INTERRUPT ; [L10089] int ldv_module_refcounter = 1; [L10212] int proc_details ; [L10213] struct proc_dir_entry *drbd_proc ; [L10278-L10307] struct file_operations const drbd_proc_fops = {& __this_module, & seq_lseek, & seq_read, (ssize_t (*)(struct file * , char const * , size_t , loff_t * ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, (unsigned int (*)(struct file * , struct poll_table_struct * ))0, (long (*)(struct file * , unsigned int , unsigned long ))0, (long (*)(struct file * , unsigned int , unsigned long ))0, (int (*)(struct file * , struct vm_area_struct * ))0, & drbd_proc_open, (int (*)(struct file * , fl_owner_t ))0, & drbd_proc_release, (int (*)(struct file * , int ))0, (int (*)(struct kiocb * , int ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file * , int , loff_t , loff_t ))0}; [L11264] wait_queue_head_t drbd_pp_wait ; [L15095] mempool_t *drbd_ee_mempool ; [L15096] struct page *drbd_pp_pool ; [L22328-L22383] static struct data_cmd drbd_cmd_handler[43U] = { {1, 32UL, & receive_Data}, {1, 32UL, & receive_DataReply}, {1, 32UL, & receive_RSDataReply}, {0, 16UL, & receive_Barrier}, {1, 8UL, & receive_bitmap}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 8UL, & receive_UnplugRemote}, {0, 32UL, & receive_DataRequest}, {0, 32UL, & receive_DataRequest}, {1, 8UL, & receive_SyncParam}, {1, 32UL, & receive_protocol}, {0, 56UL, & receive_uuids}, {0, 40UL, & receive_sizes}, {0, 12UL, & receive_state}, {0, 16UL, & receive_sync_uuid}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 16UL, & receive_req_state}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 32UL, & receive_DataRequest}, {1, 32UL, & receive_DataRequest}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {1, 32UL, & receive_DataRequest}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {1, 8UL, & receive_SyncParam}, {1, 8UL, & receive_bitmap}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 16UL, & receive_skip}, {0, 24UL, & receive_out_of_sync}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}}; [L24428] int allow_oos ; [L29586] int disable_sendpage ; [L29590] int fault_rate ; [L29591] int fault_devs ; [L29593] struct drbd_conf **minor_table ; [L29657] struct kmem_cache *drbd_request_cache ; [L29658] struct kmem_cache *drbd_ee_cache ; [L29659] struct kmem_cache *drbd_bm_ext_cache ; [L29660] struct kmem_cache *drbd_al_ext_cache ; [L29661] mempool_t *drbd_request_mempool ; [L29664] spinlock_t drbd_pp_lock ; [L29665] int drbd_pp_vacant ; [L30357-L30365] static struct mutex drbd_main_mutex = {{1}, {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "drbd_main_mutex.wait_lock", 0, 0UL}}}}, {& drbd_main_mutex.wait_list, & drbd_main_mutex.wait_list}, (struct task_struct *)0, (char const *)0, (void *)(& drbd_main_mutex), {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "drbd_main_mutex", 0, 0UL}}; [L30376] static int fault_count ; [L30377] unsigned int minor_count = 32U; [L30378] unsigned int cn_idx = 8U; [L30379-L30383] char usermode_helper[80U] = { (char )'/', (char )'s', (char )'b', (char )'i', (char )'n', (char )'/', (char )'d', (char )'r', (char )'b', (char )'d', (char )'a', (char )'d', (char )'m', (char )'\000'}; [L30384-L30389] struct ratelimit_state drbd_ratelimit_state = {{{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "drbd_ratelimit_state.lock", 0, 0UL}}}}, 1250, 5, 0, 0, 0UL}; [L30390-L30401] static struct block_device_operations const drbd_ops = {& drbd_open, & drbd_release, (int (*)(struct block_device * , fmode_t , unsigned int , unsigned long ))0, (int (*)(struct block_device * , fmode_t , unsigned int , unsigned long ))0, (int (*)(struct block_device * , sector_t , void ** , unsigned long * ))0, (unsigned int (*)(struct gendisk * , unsigned int ))0, (int (*)(struct gendisk * ))0, (void (*)(struct gendisk * ))0, (int (*)(struct gendisk * ))0, (int (*)(struct block_device * , struct hd_geometry * ))0, (void (*)(struct block_device * , unsigned long ))0, & __this_module}; [L36025] static struct notifier_block drbd_notifier = {& drbd_notify_sys, (struct notifier_block *)0, 0}; [L37468-L37474] static char const *drbd_conn_s_names[24U] = { "StandAlone", "Disconnecting", "Unconnected", "Timeout", "BrokenPipe", "NetworkFailure", "ProtocolError", "TearDown", "WFConnection", "WFReportParams", "Connected", "StartingSyncS", "StartingSyncT", "WFBitMapS", "WFBitMapT", "WFSyncUUID", "SyncSource", "SyncTarget", "VerifyS", "VerifyT", "PausedSyncS", "PausedSyncT", "Ahead", "Behind"}; [L37475] static char const *drbd_role_s_names[3U] = { "Unknown", "Primary", "Secondary"}; [L37476-L37479] static char const *drbd_disk_s_names[9U] = { "Diskless", "Attaching", "Failed", "Negotiating", "Inconsistent", "Outdated", "DUnknown", "Consistent", "UpToDate"}; [L37480-L37485] static char const *drbd_state_sw_errors[20U] = { (char const *)0, "Multiple primaries not allowed by config", "Need access to UpToDate data", (char const *)0, "Can not resync without local disk", "Can not resync without remote disk", "Refusing to be Outdated while Connected", "Refusing to be Primary while peer is not outdated", "Can not start OV/resync since it is already active", "Can not disconnect a StandAlone device", "State change was refused by peer node", "Device is diskless, the requested operation requires a disk", "Device is held open by someone", "Have no net/connection configuration", "Need a verify algorithm to start online verify", "Need a connection to start verify or resync", "Disk state is lower than outdated", "Peer does not support protocol", "In transient state, retry after next state change", "Concurrent state changes detected and aborted"}; [L37804-L37889] static struct tag const tag_descriptions[85U] = { {(char const *)0, 0, 0}, {"primary_force", 32768, 4}, {"disk_size", 16384, 8}, {"backing_dev", 57344, 128}, {"meta_dev", 57344, 128}, {"meta_dev_idx", 8192, 4}, {"on_io_error", 0, 4}, {"fencing", 0, 4}, {"my_addr", 57344, 128}, {"peer_addr", 57344, 128}, {"shared_secret", 49152, 64}, {"cram_hmac_alg", 49152, 64}, {(char const *)0, 0, 0}, {(char const *)0, 0, 0}, {"timeout", 0, 4}, {"wire_protocol", 8192, 4}, {"try_connect_int", 0, 4}, {"ping_int", 0, 4}, {"max_epoch_size", 0, 4}, {"max_buffers", 0, 4}, {"unplug_watermark", 0, 4}, {"sndbuf_size", 0, 4}, {"ko_count", 0, 4}, {(char const *)0, 0, 0}, {"after_sb_0p", 0, 4}, {"after_sb_1p", 0, 4}, {"after_sb_2p", 0, 4}, {"want_lose", 32768, 4}, {"two_primaries", 32768, 4}, {"resize_size", 16384, 8}, {"rate", 0, 4}, {"after", 0, 4}, {"al_extents", 0, 4}, {"state_i", 0, 4}, {"uuids", 49152, 32}, {"uuids_flags", 0, 4}, {"use_degraded", 32768, 4}, {"use_bmbv", 32768, 4}, {"helper", 49152, 32}, {"rr_conflict", 0, 4}, {"ping_timeo", 0, 4}, {"always_asbp", 32768, 4}, {(char const *)0, 0, 0}, {"sync_progress", 0, 4}, {"integrity_alg", 49152, 64}, {"dump_ee_reason", 49152, 32}, {"seen_digest", 49152, 64}, {"calc_digest", 49152, 64}, {"ee_sector", 16384, 8}, {"ee_block_id", 16384, 8}, {"ee_data", 49152, 32768}, {"cpu_mask", 49152, 32}, {"verify_alg", 49152, 64}, {"no_disk_flush", 32768, 4}, {"no_md_flush", 32768, 4}, {(char const *)0, 0, 0}, {"max_bio_bvecs", 0, 4}, {"no_disk_barrier", 32768, 4}, {"no_disk_drain", 32768, 4}, {(char const *)0, 0, 0}, {"mind_af", 40960, 4}, {"no_cork", 32768, 4}, {"auto_sndbuf_size", 40960, 4}, {"clear_bm", 40960, 4}, {"csums_alg", 49152, 64}, {"use_rle", 32768, 4}, {"start_sector", 16384, 8}, {"rcvbuf_size", 0, 4}, {"resize_force", 32768, 4}, {"no_resync", 40960, 4}, {"dry_run", 40960, 4}, {(char const *)0, 0, 0}, {(char const *)0, 0, 0}, {(char const *)0, 0, 0}, {(char const *)0, 0, 0}, {"on_no_data", 0, 4}, {"c_plan_ahead", 0, 4}, {"c_delay_target", 0, 4}, {"c_fill_target", 0, 4}, {"c_max_rate", 0, 4}, {"c_min_rate", 0, 4}, {"on_congestion", 0, 4}, {"cong_fill", 0, 4}, {"cong_extents", 0, 4}, {"force", 32768, 4}}; [L37894] static char *drbd_m_holder = (char *)"Hands off! this is DRBD\'s meta data device."; [L48088-L48121] static struct cn_handler_struct cnd_table[27U] = { {(int (*)(struct drbd_conf * , struct drbd_nl_cfg_req * , struct drbd_nl_cfg_reply * ))0, 0}, {& drbd_nl_primary, 0}, {& drbd_nl_secondary, 0}, {& drbd_nl_disk_conf, 0}, {& drbd_nl_detach, 0}, {& drbd_nl_net_conf, 0}, {& drbd_nl_disconnect, 0}, {& drbd_nl_resize, 0}, {& drbd_nl_syncer_conf, 0}, {& drbd_nl_invalidate, 0}, {& drbd_nl_invalidate_peer, 0}, {& drbd_nl_pause_sync, 0}, {& drbd_nl_resume_sync, 0}, {& drbd_nl_suspend_io, 0}, {& drbd_nl_resume_io, 0}, {& drbd_nl_outdate, 0}, {& drbd_nl_get_config, 1312}, {& drbd_nl_get_state, 16}, {& drbd_nl_get_uuids, 48}, {& drbd_nl_get_timeout_flag, 8}, {(int (*)(struct drbd_conf * , struct drbd_nl_cfg_req * , struct drbd_nl_cfg_reply * ))0, 0}, {(int (*)(struct drbd_conf * , struct drbd_nl_cfg_req * , struct drbd_nl_cfg_reply * ))0, 0}, {(int (*)(struct drbd_conf * , struct drbd_nl_cfg_req * , struct drbd_nl_cfg_reply * ))0, 0}, {(int (*)(struct drbd_conf * , struct drbd_nl_cfg_req * , struct drbd_nl_cfg_reply * ))0, 0}, {(int (*)(struct drbd_conf * , struct drbd_nl_cfg_req * , struct drbd_nl_cfg_reply * ))0, 0}, {& drbd_nl_start_ov, 0}, {& drbd_nl_new_c_uuid, 0}}; [L48229] static atomic_t drbd_nl_seq = {2}; [L10746] struct inode *var_group1 ; [L10747] struct file *var_group2 ; [L10748] int res_drbd_proc_open_4 ; [L10749] int ldv_s_drbd_proc_fops_file_operations ; [L10750] int tmp ; [L10751] int tmp___0 ; [L10754] ldv_s_drbd_proc_fops_file_operations = 0 [L10755] LDV_IN_INTERRUPT = 1 [L10756] FCALL ldv_initialize() [L10802] tmp___0 = __VERIFIER_nondet_int() [L10804] COND TRUE tmp___0 != 0 VAL [LDV_IN_INTERRUPT=1, __this_module={0:-9223372036854775808}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1491:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1492:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1489:0}, drbd_proc={0:0}, drbd_proc_fops={1488:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1487:0}, ldv_module_refcounter=1, ldv_s_drbd_proc_fops_file_operations=0, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, tmp___0=2, usermode_helper={1494:0}] [L10761] tmp = __VERIFIER_nondet_int() [L10763] COND TRUE tmp == 0 VAL [LDV_IN_INTERRUPT=1, __this_module={0:-9223372036854775808}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1491:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1492:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1489:0}, drbd_proc={0:0}, drbd_proc_fops={1488:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1487:0}, ldv_module_refcounter=1, ldv_s_drbd_proc_fops_file_operations=0, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, tmp=0, tmp___0=2, usermode_helper={1494:0}] [L10772] COND TRUE ldv_s_drbd_proc_fops_file_operations == 0 VAL [LDV_IN_INTERRUPT=1, __this_module={0:-9223372036854775808}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1491:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1492:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1489:0}, drbd_proc={0:0}, drbd_proc_fops={1488:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1487:0}, ldv_module_refcounter=1, ldv_s_drbd_proc_fops_file_operations=0, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, tmp=0, tmp___0=2, usermode_helper={1494:0}] [L10774] CALL, EXPR drbd_proc_open(var_group1, var_group2) VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={0:-9223372036854775808}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1491:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1492:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1489:0}, drbd_proc={0:0}, drbd_proc_fops={1488:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1487:0}, ldv_module_refcounter=1, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] [L10716] struct proc_dir_entry *tmp ; [L10717] int tmp___0 ; [L10718] int tmp___1 ; VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={0:-9223372036854775808}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1491:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1492:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1489:0}, drbd_proc={0:0}, drbd_proc_fops={1488:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, file={1505:1506}, file={1505:1506}, global_state_lock={1487:0}, inode={35184372088832:0}, inode={35184372088832:0}, ldv_module_refcounter=1, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] [L10721] CALL, EXPR ldv_try_module_get_1(& __this_module) VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={0:-9223372036854775808}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1491:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1492:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1489:0}, drbd_proc={0:0}, drbd_proc_fops={1488:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1487:0}, ldv_module_refcounter=1, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] [L10821] int tmp ; [L10824] CALL, EXPR ldv_try_module_get(module) [L10101] int module_get_succeeded ; VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={0:-9223372036854775808}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1491:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1492:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1489:0}, drbd_proc={0:0}, drbd_proc_fops={1488:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1487:0}, ldv_module_refcounter=1, minor_count=32, minor_table={0:0}, module={0:-9223372036854775808}, module={0:-9223372036854775808}, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] [L10103] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) [L10105] CALL, EXPR ldv_undefined_int() [L49395] return __VERIFIER_nondet_int(); [L10105] RET, EXPR ldv_undefined_int() [L10105] module_get_succeeded = ldv_undefined_int() [L10107] COND TRUE module_get_succeeded == 1 [L10108] ldv_module_refcounter = ldv_module_refcounter + 1 [L10109] return (1); VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, \result=1, __this_module={0:-9223372036854775808}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1491:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1492:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1489:0}, drbd_proc={0:0}, drbd_proc_fops={1488:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1487:0}, ldv_module_refcounter=2, minor_count=32, minor_table={0:0}, module={0:-9223372036854775808}, module={0:-9223372036854775808}, module_get_succeeded=1, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] [L10824] RET, EXPR ldv_try_module_get(module) [L10824] tmp = ldv_try_module_get(module) [L10826] return (tmp); [L10721] RET, EXPR ldv_try_module_get_1(& __this_module) VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={0:-9223372036854775808}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1491:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1492:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1489:0}, drbd_proc={0:0}, drbd_proc_fops={1488:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, file={1505:1506}, file={1505:1506}, global_state_lock={1487:0}, inode={35184372088832:0}, inode={35184372088832:0}, ldv_module_refcounter=2, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] [L10721] tmp___1 = ldv_try_module_get_1(& __this_module) [L10723] COND TRUE tmp___1 != 0 [L10725] CALL, EXPR PDE((struct inode const *)inode) [L10179] struct proc_inode *tmp ; [L10182] CALL, EXPR PROC_I(inode) [L10172] struct inode const *__mptr ; [L10174] __mptr = inode [L10175] return ((struct proc_inode *)__mptr + 0x0fffffffffffffc0UL); [L10182] RET, EXPR PROC_I(inode) [L10182] tmp = PROC_I(inode) [L10184] EXPR tmp->pde [L10184] return (tmp->pde); [L10725] RET, EXPR PDE((struct inode const *)inode) [L10725] tmp = PDE((struct inode const *)inode) [L10726] EXPR tmp->data [L10726] CALL, EXPR single_open(file, & drbd_seq_show, tmp->data) [L49504] return __VERIFIER_nondet_int(); [L10726] RET, EXPR single_open(file, & drbd_seq_show, tmp->data) [L10726] tmp___0 = single_open(file, & drbd_seq_show, tmp->data) [L10728] return (tmp___0); VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, \result=-2147483648, __this_module={0:-9223372036854775808}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1491:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1492:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1489:0}, drbd_proc={0:0}, drbd_proc_fops={1488:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, file={1505:1506}, file={1505:1506}, global_state_lock={1487:0}, inode={35184372088832:0}, inode={35184372088832:0}, ldv_module_refcounter=2, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, tmp={0:0}, tmp___0=-2147483648, tmp___1=1, usermode_helper={1494:0}] [L10774] RET, EXPR drbd_proc_open(var_group1, var_group2) VAL [LDV_IN_INTERRUPT=1, __this_module={0:-9223372036854775808}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1491:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1492:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1489:0}, drbd_proc={0:0}, drbd_proc_fops={1488:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1487:0}, ldv_module_refcounter=2, ldv_s_drbd_proc_fops_file_operations=0, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, tmp=0, tmp___0=2, usermode_helper={1494:0}, var_group1={35184372088832:0}, var_group2={1505:1506}] [L10774] res_drbd_proc_open_4 = drbd_proc_open(var_group1, var_group2) [L10775] FCALL ldv_check_return_value(res_drbd_proc_open_4) [L10777] COND TRUE res_drbd_proc_open_4 != 0 VAL [LDV_IN_INTERRUPT=1, __this_module={0:-9223372036854775808}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1491:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1492:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1489:0}, drbd_proc={0:0}, drbd_proc_fops={1488:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1487:0}, ldv_module_refcounter=2, ldv_s_drbd_proc_fops_file_operations=0, minor_count=32, minor_table={0:0}, proc_details=0, res_drbd_proc_open_4=-2147483648, tag_descriptions={1502:0}, tmp=0, tmp___0=2, usermode_helper={1494:0}, var_group1={35184372088832:0}, var_group2={1505:1506}] [L10815] CALL ldv_check_final_state() [L10153] COND TRUE ldv_module_refcounter != 1 VAL [LDV_IN_INTERRUPT=1, __this_module={0:-9223372036854775808}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1491:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1492:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1489:0}, drbd_proc={0:0}, drbd_proc_fops={1488:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1487:0}, ldv_module_refcounter=2, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] [L10155] CALL ldv_blast_assert() VAL [LDV_IN_INTERRUPT=1, __this_module={0:-9223372036854775808}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1491:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1492:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1489:0}, drbd_proc={0:0}, drbd_proc_fops={1488:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1487:0}, ldv_module_refcounter=2, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] [L10085] reach_error() VAL [LDV_IN_INTERRUPT=1, __this_module={0:-9223372036854775808}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1491:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1492:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1489:0}, drbd_proc={0:0}, drbd_proc_fops={1488:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1487:0}, ldv_module_refcounter=2, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 145.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 16.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 mSolverCounterUnknown, 61 SdHoareTripleChecker+Valid, 16.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 60 mSDsluCounter, 433 SdHoareTripleChecker+Invalid, 15.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 285 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 80 IncrementalHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 148 mSDtfsCounter, 80 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=3, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 60.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 73 NumberOfCodeBlocks, 73 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 76 SizeOfPredicates, 2 NumberOfNonLiveVariables, 18338 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 10:21:28,301 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample