./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 6ae2ee47 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-6ae2ee4-m [2023-11-22 23:38:21,314 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-22 23:38:21,382 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-22 23:38:21,386 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-22 23:38:21,387 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-22 23:38:21,411 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-22 23:38:21,412 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-22 23:38:21,412 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-22 23:38:21,413 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-22 23:38:21,416 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-22 23:38:21,417 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-22 23:38:21,417 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-22 23:38:21,418 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-22 23:38:21,419 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-22 23:38:21,419 INFO L153 SettingsManager]: * Use SBE=true [2023-11-22 23:38:21,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-22 23:38:21,419 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-22 23:38:21,420 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-22 23:38:21,420 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-22 23:38:21,420 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-22 23:38:21,420 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-22 23:38:21,421 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-22 23:38:21,421 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-22 23:38:21,421 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-22 23:38:21,422 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-22 23:38:21,422 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-22 23:38:21,422 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-22 23:38:21,422 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-22 23:38:21,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 23:38:21,423 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-22 23:38:21,424 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-22 23:38:21,424 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-22 23:38:21,424 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-22 23:38:21,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-22 23:38:21,425 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-22 23:38:21,425 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-22 23:38:21,425 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-22 23:38:21,425 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-22 23:38:21,425 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-22 23:38:21,425 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ced8072e726df9636846e62f3ac2249f60e5953eb5c965606e402590bf54d90 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> false [2023-11-22 23:38:21,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-22 23:38:21,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-22 23:38:21,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-22 23:38:21,669 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-22 23:38:21,670 INFO L274 PluginConnector]: CDTParser initialized [2023-11-22 23:38:21,671 INFO L431 ainManager$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 [2023-11-22 23:38:22,776 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-22 23:38:23,466 INFO L384 CDTParser]: Found 1 translation units. [2023-11-22 23:38:23,466 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 [2023-11-22 23:38:23,544 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b966ab984/a6e96274d1484bb3a92a6f2da2cde336/FLAG09dda96ba [2023-11-22 23:38:23,560 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b966ab984/a6e96274d1484bb3a92a6f2da2cde336 [2023-11-22 23:38:23,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-22 23:38:23,564 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-22 23:38:23,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-22 23:38:23,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-22 23:38:23,569 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-22 23:38:23,570 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:38:23" (1/1) ... [2023-11-22 23:38:23,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1513dc97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:38:23, skipping insertion in model container [2023-11-22 23:38:23,571 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:38:23" (1/1) ... [2023-11-22 23:38:23,808 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-22 23:38:26,509 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] [2023-11-22 23:38:35,154 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 23:38:35,191 INFO L202 MainTranslator]: Completed pre-run [2023-11-22 23:38:35,262 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] [2023-11-22 23:38:35,263 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] [2023-11-22 23:38:35,263 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] [2023-11-22 23:38:35,264 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] [2023-11-22 23:38:35,264 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] [2023-11-22 23:38:35,265 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] [2023-11-22 23:38:35,266 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] [2023-11-22 23:38:35,270 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6743] [2023-11-22 23:38:35,270 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6745] [2023-11-22 23:38:35,270 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6747] [2023-11-22 23:38:35,270 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6750] [2023-11-22 23:38:35,270 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] [2023-11-22 23:38:35,271 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] [2023-11-22 23:38:35,271 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] [2023-11-22 23:38:35,271 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] [2023-11-22 23:38:35,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [6815] [2023-11-22 23:38:35,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [6817] [2023-11-22 23:38:35,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [6819] [2023-11-22 23:38:35,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [6822] [2023-11-22 23:38:35,280 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6959] [2023-11-22 23:38:35,280 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6968] [2023-11-22 23:38:35,280 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6971] [2023-11-22 23:38:35,301 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] [2023-11-22 23:38:35,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7535] [2023-11-22 23:38:35,305 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] [2023-11-22 23:38:35,306 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] [2023-11-22 23:38:35,307 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] [2023-11-22 23:38:35,307 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] [2023-11-22 23:38:35,370 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] [2023-11-22 23:38:35,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10238] [2023-11-22 23:38:35,382 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] [2023-11-22 23:38:35,382 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] [2023-11-22 23:38:35,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10957] [2023-11-22 23:38:35,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10960] [2023-11-22 23:38:35,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10964] [2023-11-22 23:38:35,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10967] [2023-11-22 23:38:35,385 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] [2023-11-22 23:38:35,385 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] [2023-11-22 23:38:35,386 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] [2023-11-22 23:38:35,389 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [11202] [2023-11-22 23:38:35,392 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___0) [11393] [2023-11-22 23:38:35,477 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] [2023-11-22 23:38:35,526 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] [2023-11-22 23:38:35,527 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [14664] [2023-11-22 23:38:35,527 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [14671] [2023-11-22 23:38:35,529 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] [2023-11-22 23:38:35,530 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] [2023-11-22 23:38:35,530 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] [2023-11-22 23:38:35,537 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___0) [15158] [2023-11-22 23:38:35,541 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] [2023-11-22 23:38:35,542 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] [2023-11-22 23:38:35,543 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] [2023-11-22 23:38:35,545 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] [2023-11-22 23:38:35,546 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] [2023-11-22 23:38:35,547 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] [2023-11-22 23:38:35,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [17009] [2023-11-22 23:38:35,583 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___1) [17496] [2023-11-22 23:38:35,589 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___8) [17884] [2023-11-22 23:38:35,606 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] [2023-11-22 23:38:35,608 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] [2023-11-22 23:38:35,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (disk->part0.dkstats)); [18949] [2023-11-22 23:38:35,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___0): "0" (disk->part0.dkstats)); [18966] [2023-11-22 23:38:35,738 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] [2023-11-22 23:38:35,739 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] [2023-11-22 23:38:35,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [24929] [2023-11-22 23:38:35,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [24931] [2023-11-22 23:38:35,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [24934] [2023-11-22 23:38:35,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [24936] [2023-11-22 23:38:35,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" ((mdev->vdisk)->part0.dkstats)); [24948] [2023-11-22 23:38:35,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___0): "0" (tmp->part0.dkstats)); [24954] [2023-11-22 23:38:35,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___1): "0" ((mdev->vdisk)->part0.dkstats)); [24960] [2023-11-22 23:38:35,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___2): "0" (tmp___0->part0.dkstats)); [24966] [2023-11-22 23:38:35,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [24999] [2023-11-22 23:38:35,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [25001] [2023-11-22 23:38:35,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [25004] [2023-11-22 23:38:35,744 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [25006] [2023-11-22 23:38:35,744 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" ((mdev->vdisk)->part0.dkstats)); [25018] [2023-11-22 23:38:35,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___0): "0" (tmp->part0.dkstats)); [25024] [2023-11-22 23:38:35,751 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] [2023-11-22 23:38:35,751 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] [2023-11-22 23:38:35,842 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [27020] [2023-11-22 23:38:35,845 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] [2023-11-22 23:38:35,865 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] [2023-11-22 23:38:35,869 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] [2023-11-22 23:38:35,875 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] [2023-11-22 23:38:35,875 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] [2023-11-22 23:38:35,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [33181] [2023-11-22 23:38:35,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [33377] [2023-11-22 23:38:35,971 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___4) [34891] [2023-11-22 23:38:36,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [37077] [2023-11-22 23:38:36,198 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___5) [48824] [2023-11-22 23:38:36,209 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 23:38:36,404 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 23:38:36,405 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 23:38:36,405 WARN L675 CHandler]: The function __bad_unaligned_access_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 23:38:36,405 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 23:38:36,405 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 23:38:36,411 INFO L206 MainTranslator]: Completed translation [2023-11-22 23:38:36,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:38:36 WrapperNode [2023-11-22 23:38:36,412 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-22 23:38:36,413 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-22 23:38:36,413 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-22 23:38:36,413 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-22 23:38:36,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:38:36" (1/1) ... [2023-11-22 23:38:36,883 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:38:36" (1/1) ... [2023-11-22 23:38:37,008 INFO L138 Inliner]: procedures = 895, calls = 21412, calls flagged for inlining = 343, calls inlined = 11, statements flattened = 3200 [2023-11-22 23:38:37,009 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-22 23:38:37,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-22 23:38:37,009 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-22 23:38:37,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-22 23:38:37,018 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:38:36" (1/1) ... [2023-11-22 23:38:37,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:38:36" (1/1) ... [2023-11-22 23:38:37,034 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:38:36" (1/1) ... [2023-11-22 23:38:37,035 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:38:36" (1/1) ... [2023-11-22 23:38:37,078 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:38:36" (1/1) ... [2023-11-22 23:38:37,082 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:38:36" (1/1) ... [2023-11-22 23:38:37,089 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:38:36" (1/1) ... [2023-11-22 23:38:37,104 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:38:36" (1/1) ... [2023-11-22 23:38:37,112 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-22 23:38:37,113 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-22 23:38:37,113 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-22 23:38:37,113 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-22 23:38:37,114 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:38:36" (1/1) ... [2023-11-22 23:38:37,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 23:38:37,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 23:38:37,159 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) [2023-11-22 23:38:37,179 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 [2023-11-22 23:38:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-22 23:38:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-22 23:38:37,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-22 23:38:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-22 23:38:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-11-22 23:38:37,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-11-22 23:38:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure drbd_proc_open [2023-11-22 23:38:37,208 INFO L138 BoogieDeclarations]: Found implementation of procedure drbd_proc_open [2023-11-22 23:38:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2023-11-22 23:38:37,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2023-11-22 23:38:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-22 23:38:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-22 23:38:37,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-22 23:38:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2023-11-22 23:38:37,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2023-11-22 23:38:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure drbd_proc_release [2023-11-22 23:38:37,209 INFO L138 BoogieDeclarations]: Found implementation of procedure drbd_proc_release [2023-11-22 23:38:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-22 23:38:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-22 23:38:37,530 INFO L241 CfgBuilder]: Building ICFG [2023-11-22 23:38:37,532 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-22 23:38:37,607 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-22 23:38:42,407 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2023-11-22 23:38:42,408 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2023-11-22 23:38:42,424 INFO L282 CfgBuilder]: Performing block encoding [2023-11-22 23:38:42,658 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-22 23:38:42,658 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-22 23:38:42,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:38:42 BoogieIcfgContainer [2023-11-22 23:38:42,658 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-22 23:38:42,660 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-22 23:38:42,660 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-22 23:38:42,663 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-22 23:38:42,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:38:23" (1/3) ... [2023-11-22 23:38:42,664 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@763f11ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:38:42, skipping insertion in model container [2023-11-22 23:38:42,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:38:36" (2/3) ... [2023-11-22 23:38:42,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@763f11ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:38:42, skipping insertion in model container [2023-11-22 23:38:42,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:38:42" (3/3) ... [2023-11-22 23:38:42,666 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i [2023-11-22 23:38:42,679 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-22 23:38:42,680 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-22 23:38:42,722 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-22 23:38:42,728 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;@5c6257b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-22 23:38:42,728 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-22 23:38:42,734 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) [2023-11-22 23:38:42,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-22 23:38:42,740 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:38:42,741 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 23:38:42,741 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:38:42,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:38:42,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1139268334, now seen corresponding path program 1 times [2023-11-22 23:38:42,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:38:42,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273644156] [2023-11-22 23:38:42,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:38:42,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:38:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:38:44,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-22 23:38:44,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:38:44,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273644156] [2023-11-22 23:38:44,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273644156] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:38:44,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:38:44,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-22 23:38:44,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005279736] [2023-11-22 23:38:44,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:38:44,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-22 23:38:44,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:38:44,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-22 23:38:44,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-22 23:38:44,185 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) [2023-11-22 23:38:45,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:38:45,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:38:45,388 INFO L93 Difference]: Finished difference Result 136 states and 185 transitions. [2023-11-22 23:38:45,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 23:38:45,394 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 [2023-11-22 23:38:45,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:38:45,401 INFO L225 Difference]: With dead ends: 136 [2023-11-22 23:38:45,401 INFO L226 Difference]: Without dead ends: 85 [2023-11-22 23:38:45,403 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 [2023-11-22 23:38:45,405 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 48 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2023-11-22 23:38:45,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 93 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-22 23:38:45,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-22 23:38:45,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 82. [2023-11-22 23:38:45,439 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) [2023-11-22 23:38:45,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 104 transitions. [2023-11-22 23:38:45,442 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 104 transitions. Word has length 8 [2023-11-22 23:38:45,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:38:45,443 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 104 transitions. [2023-11-22 23:38:45,443 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) [2023-11-22 23:38:45,443 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 104 transitions. [2023-11-22 23:38:45,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-22 23:38:45,444 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:38:45,444 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 23:38:45,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-22 23:38:45,445 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:38:45,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:38:45,445 INFO L85 PathProgramCache]: Analyzing trace with hash 317027334, now seen corresponding path program 1 times [2023-11-22 23:38:45,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:38:45,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390839571] [2023-11-22 23:38:45,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:38:45,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:38:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:38:46,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-22 23:38:46,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:38:46,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390839571] [2023-11-22 23:38:46,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390839571] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:38:46,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:38:46,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-22 23:38:46,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842401095] [2023-11-22 23:38:46,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:38:46,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-22 23:38:46,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:38:46,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-22 23:38:46,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-22 23:38:46,675 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) [2023-11-22 23:38:48,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:38:48,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:38:48,087 INFO L93 Difference]: Finished difference Result 179 states and 234 transitions. [2023-11-22 23:38:48,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 23:38:48,088 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 [2023-11-22 23:38:48,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:38:48,089 INFO L225 Difference]: With dead ends: 179 [2023-11-22 23:38:48,092 INFO L226 Difference]: Without dead ends: 97 [2023-11-22 23:38:48,092 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 [2023-11-22 23:38:48,093 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 9 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.4s IncrementalHoareTripleChecker+Time [2023-11-22 23:38:48,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 85 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-22 23:38:48,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-22 23:38:48,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-11-22 23:38:48,112 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) [2023-11-22 23:38:48,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 124 transitions. [2023-11-22 23:38:48,116 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 124 transitions. Word has length 17 [2023-11-22 23:38:48,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:38:48,116 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 124 transitions. [2023-11-22 23:38:48,118 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) [2023-11-22 23:38:48,118 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 124 transitions. [2023-11-22 23:38:48,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-22 23:38:48,119 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:38:48,120 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] [2023-11-22 23:38:48,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-22 23:38:48,120 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:38:48,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:38:48,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1985062193, now seen corresponding path program 1 times [2023-11-22 23:38:48,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:38:48,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790945871] [2023-11-22 23:38:48,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:38:48,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:38:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-22 23:38:49,947 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-22 23:38:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-22 23:38:51,516 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-22 23:38:51,517 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-22 23:38:51,517 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-22 23:38:51,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-22 23:38:51,520 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-22 23:38:51,524 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-22 23:38:51,595 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret972 could not be translated [2023-11-22 23:38:51,598 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret979 could not be translated [2023-11-22 23:38:51,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:38:51 BoogieIcfgContainer [2023-11-22 23:38:51,613 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-22 23:38:51,614 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-22 23:38:51,614 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-22 23:38:51,614 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-22 23:38:51,615 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:38:42" (3/4) ... [2023-11-22 23:38:51,616 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-22 23:38:51,617 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-22 23:38:51,618 INFO L158 Benchmark]: Toolchain (without parser) took 28054.18ms. Allocated memory was 232.8MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 155.2MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 231.8MB. Max. memory is 16.1GB. [2023-11-22 23:38:51,622 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 148.9MB. Free memory is still 119.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-22 23:38:51,622 INFO L158 Benchmark]: CACSL2BoogieTranslator took 12846.45ms. Allocated memory was 232.8MB in the beginning and 543.2MB in the end (delta: 310.4MB). Free memory was 154.9MB in the beginning and 166.7MB in the end (delta: -11.9MB). Peak memory consumption was 333.1MB. Max. memory is 16.1GB. [2023-11-22 23:38:51,622 INFO L158 Benchmark]: Boogie Procedure Inliner took 595.95ms. Allocated memory is still 543.2MB. Free memory was 166.7MB in the beginning and 289.3MB in the end (delta: -122.6MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2023-11-22 23:38:51,623 INFO L158 Benchmark]: Boogie Preprocessor took 102.97ms. Allocated memory is still 543.2MB. Free memory was 289.3MB in the beginning and 276.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-22 23:38:51,624 INFO L158 Benchmark]: RCFGBuilder took 5546.11ms. Allocated memory was 543.2MB in the beginning and 832.6MB in the end (delta: 289.4MB). Free memory was 276.8MB in the beginning and 261.1MB in the end (delta: 15.7MB). Peak memory consumption was 353.4MB. Max. memory is 16.1GB. [2023-11-22 23:38:51,624 INFO L158 Benchmark]: TraceAbstraction took 8953.07ms. Allocated memory was 832.6MB in the beginning and 1.5GB in the end (delta: 671.1MB). Free memory was 260.0MB in the beginning and 1.2GB in the end (delta: -935.9MB). Peak memory consumption was 167.2MB. Max. memory is 16.1GB. [2023-11-22 23:38:51,624 INFO L158 Benchmark]: Witness Printer took 3.32ms. Allocated memory is still 1.5GB. 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. [2023-11-22 23:38:51,626 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 148.9MB. Free memory is still 119.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 12846.45ms. Allocated memory was 232.8MB in the beginning and 543.2MB in the end (delta: 310.4MB). Free memory was 154.9MB in the beginning and 166.7MB in the end (delta: -11.9MB). Peak memory consumption was 333.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 595.95ms. Allocated memory is still 543.2MB. Free memory was 166.7MB in the beginning and 289.3MB in the end (delta: -122.6MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.97ms. Allocated memory is still 543.2MB. Free memory was 289.3MB in the beginning and 276.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 5546.11ms. Allocated memory was 543.2MB in the beginning and 832.6MB in the end (delta: 289.4MB). Free memory was 276.8MB in the beginning and 261.1MB in the end (delta: 15.7MB). Peak memory consumption was 353.4MB. Max. memory is 16.1GB. * TraceAbstraction took 8953.07ms. Allocated memory was 832.6MB in the beginning and 1.5GB in the end (delta: 671.1MB). Free memory was 260.0MB in the beginning and 1.2GB in the end (delta: -935.9MB). Peak memory consumption was 167.2MB. Max. memory is 16.1GB. * Witness Printer took 3.32ms. Allocated memory is still 1.5GB. 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~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: [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}; [L11265] rwlock_t global_state_lock ; [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 ; [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 ; [L29663] struct page *drbd_pp_pool ; [L29664] spinlock_t drbd_pp_lock ; [L29666] wait_queue_head_t drbd_pp_wait ; [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={1489:0}, 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={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, 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={1488:0}, 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={1489:0}, 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={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, 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={1488:0}, 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={1489:0}, 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={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, 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={1488:0}, 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={1489:0}, 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={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, 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={1488:0}, 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={1489:0}, 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={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, 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={1488:0}, 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={1489:0}, 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={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, 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={1488:0}, 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={1489:0}, 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={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, 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={1488:0}, 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={1489:0}, 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={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, 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={1488:0}, 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={1489:0}, 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={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, 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={1488:0}, 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={1489:0}, 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={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, 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={1488:0}, 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={1489:0}, 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={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, 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={1488:0}, 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={1489:0}, 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={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, 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={1488:0}, 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={1489:0}, 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={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, 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={1488:0}, 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={1489:0}, 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={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, 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={1488:0}, 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={1489:0}, 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={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, 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={1488:0}, 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: 8.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 58 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 57 mSDsluCounter, 178 SdHoareTripleChecker+Invalid, 2.5s 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, 1.7s SatisfiabilityAnalysisTime, 1.0s 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 [2023-11-22 23:38:51,674 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 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-6ae2ee4-m [2023-11-22 23:38:53,644 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-22 23:38:53,733 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-22 23:38:53,737 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-22 23:38:53,738 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-22 23:38:53,763 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-22 23:38:53,764 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-22 23:38:53,764 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-22 23:38:53,765 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-22 23:38:53,768 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-22 23:38:53,768 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-22 23:38:53,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-22 23:38:53,769 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-22 23:38:53,770 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-22 23:38:53,770 INFO L153 SettingsManager]: * Use SBE=true [2023-11-22 23:38:53,770 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-22 23:38:53,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-22 23:38:53,770 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-22 23:38:53,771 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-22 23:38:53,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-22 23:38:53,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-22 23:38:53,772 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-22 23:38:53,772 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-22 23:38:53,772 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-22 23:38:53,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-22 23:38:53,773 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-22 23:38:53,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-22 23:38:53,773 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-22 23:38:53,774 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-22 23:38:53,774 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-22 23:38:53,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 23:38:53,775 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-22 23:38:53,775 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-22 23:38:53,775 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-22 23:38:53,775 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-22 23:38:53,775 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-22 23:38:53,776 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-22 23:38:53,776 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-22 23:38:53,776 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-22 23:38:53,777 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-22 23:38:53,777 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-22 23:38:53,777 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-22 23:38:53,777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ced8072e726df9636846e62f3ac2249f60e5953eb5c965606e402590bf54d90 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> false [2023-11-22 23:38:54,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-22 23:38:54,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-22 23:38:54,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-22 23:38:54,056 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-22 23:38:54,057 INFO L274 PluginConnector]: CDTParser initialized [2023-11-22 23:38:54,057 INFO L431 ainManager$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 [2023-11-22 23:38:55,087 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-22 23:38:55,993 INFO L384 CDTParser]: Found 1 translation units. [2023-11-22 23:38:55,994 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 [2023-11-22 23:38:56,093 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec204244c/e686af2e248b4d86a533e30e10dbf924/FLAGf5c069c04 [2023-11-22 23:38:56,108 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec204244c/e686af2e248b4d86a533e30e10dbf924 [2023-11-22 23:38:56,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-22 23:38:56,112 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-22 23:38:56,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-22 23:38:56,114 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-22 23:38:56,117 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-22 23:38:56,118 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:38:56" (1/1) ... [2023-11-22 23:38:56,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@298b01fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:38:56, skipping insertion in model container [2023-11-22 23:38:56,119 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:38:56" (1/1) ... [2023-11-22 23:38:56,423 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-22 23:38:59,463 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] [2023-11-22 23:39:09,544 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 23:39:09,576 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-22 23:39:09,801 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-22 23:39:09,999 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] [2023-11-22 23:39:10,575 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 23:39:10,590 INFO L202 MainTranslator]: Completed pre-run [2023-11-22 23:39:10,711 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] [2023-11-22 23:39:10,715 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] [2023-11-22 23:39:10,715 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] [2023-11-22 23:39:10,716 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] [2023-11-22 23:39:10,716 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] [2023-11-22 23:39:10,716 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] [2023-11-22 23:39:10,717 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] [2023-11-22 23:39:10,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6743] [2023-11-22 23:39:10,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6745] [2023-11-22 23:39:10,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6747] [2023-11-22 23:39:10,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6750] [2023-11-22 23:39:10,719 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] [2023-11-22 23:39:10,719 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] [2023-11-22 23:39:10,719 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] [2023-11-22 23:39:10,719 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] [2023-11-22 23:39:10,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [6815] [2023-11-22 23:39:10,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [6817] [2023-11-22 23:39:10,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [6819] [2023-11-22 23:39:10,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [6822] [2023-11-22 23:39:10,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6959] [2023-11-22 23:39:10,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6968] [2023-11-22 23:39:10,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6971] [2023-11-22 23:39:10,749 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] [2023-11-22 23:39:10,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7535] [2023-11-22 23:39:10,754 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] [2023-11-22 23:39:10,755 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] [2023-11-22 23:39:10,756 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] [2023-11-22 23:39:10,756 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] [2023-11-22 23:39:10,805 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] [2023-11-22 23:39:10,806 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10238] [2023-11-22 23:39:10,815 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] [2023-11-22 23:39:10,815 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] [2023-11-22 23:39:10,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10957] [2023-11-22 23:39:10,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10960] [2023-11-22 23:39:10,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10964] [2023-11-22 23:39:10,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10967] [2023-11-22 23:39:10,817 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] [2023-11-22 23:39:10,818 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] [2023-11-22 23:39:10,818 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] [2023-11-22 23:39:10,823 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [11202] [2023-11-22 23:39:10,826 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___0) [11393] [2023-11-22 23:39:10,892 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] [2023-11-22 23:39:10,935 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] [2023-11-22 23:39:10,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [14664] [2023-11-22 23:39:10,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [14671] [2023-11-22 23:39:10,938 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] [2023-11-22 23:39:10,938 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] [2023-11-22 23:39:10,938 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] [2023-11-22 23:39:10,944 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___0) [15158] [2023-11-22 23:39:10,948 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] [2023-11-22 23:39:10,949 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] [2023-11-22 23:39:10,951 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] [2023-11-22 23:39:10,953 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] [2023-11-22 23:39:10,953 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] [2023-11-22 23:39:10,954 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] [2023-11-22 23:39:10,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [17009] [2023-11-22 23:39:10,988 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___1) [17496] [2023-11-22 23:39:10,994 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___8) [17884] [2023-11-22 23:39:11,010 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] [2023-11-22 23:39:11,011 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] [2023-11-22 23:39:11,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (disk->part0.dkstats)); [18949] [2023-11-22 23:39:11,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___0): "0" (disk->part0.dkstats)); [18966] [2023-11-22 23:39:11,137 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] [2023-11-22 23:39:11,138 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] [2023-11-22 23:39:11,140 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [24929] [2023-11-22 23:39:11,140 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [24931] [2023-11-22 23:39:11,140 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [24934] [2023-11-22 23:39:11,141 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [24936] [2023-11-22 23:39:11,141 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" ((mdev->vdisk)->part0.dkstats)); [24948] [2023-11-22 23:39:11,141 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___0): "0" (tmp->part0.dkstats)); [24954] [2023-11-22 23:39:11,142 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___1): "0" ((mdev->vdisk)->part0.dkstats)); [24960] [2023-11-22 23:39:11,142 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___2): "0" (tmp___0->part0.dkstats)); [24966] [2023-11-22 23:39:11,143 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [24999] [2023-11-22 23:39:11,143 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [25001] [2023-11-22 23:39:11,143 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [25004] [2023-11-22 23:39:11,143 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [25006] [2023-11-22 23:39:11,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" ((mdev->vdisk)->part0.dkstats)); [25018] [2023-11-22 23:39:11,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___0): "0" (tmp->part0.dkstats)); [25024] [2023-11-22 23:39:11,153 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] [2023-11-22 23:39:11,154 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] [2023-11-22 23:39:11,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [27020] [2023-11-22 23:39:11,300 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] [2023-11-22 23:39:11,321 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] [2023-11-22 23:39:11,325 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] [2023-11-22 23:39:11,331 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] [2023-11-22 23:39:11,332 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] [2023-11-22 23:39:11,404 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [33181] [2023-11-22 23:39:11,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [33377] [2023-11-22 23:39:11,434 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___4) [34891] [2023-11-22 23:39:11,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [37077] [2023-11-22 23:39:11,742 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)tmp___5) [48824] [2023-11-22 23:39:11,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 23:39:11,949 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 23:39:11,949 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 23:39:11,949 WARN L675 CHandler]: The function __bad_unaligned_access_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 23:39:11,949 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 23:39:11,950 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 23:39:11,956 INFO L206 MainTranslator]: Completed translation [2023-11-22 23:39:11,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:39:11 WrapperNode [2023-11-22 23:39:11,957 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-22 23:39:11,958 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-22 23:39:11,958 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-22 23:39:11,958 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-22 23:39:11,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:39:11" (1/1) ... [2023-11-22 23:39:12,286 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:39:11" (1/1) ... [2023-11-22 23:39:12,380 INFO L138 Inliner]: procedures = 910, calls = 21411, calls flagged for inlining = 345, calls inlined = 11, statements flattened = 3188 [2023-11-22 23:39:12,381 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-22 23:39:12,381 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-22 23:39:12,382 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-22 23:39:12,382 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-22 23:39:12,389 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:39:11" (1/1) ... [2023-11-22 23:39:12,389 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:39:11" (1/1) ... [2023-11-22 23:39:12,402 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:39:11" (1/1) ... [2023-11-22 23:39:12,402 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:39:11" (1/1) ... [2023-11-22 23:39:12,439 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:39:11" (1/1) ... [2023-11-22 23:39:12,443 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:39:11" (1/1) ... [2023-11-22 23:39:12,559 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:39:11" (1/1) ... [2023-11-22 23:39:12,577 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:39:11" (1/1) ... [2023-11-22 23:39:12,585 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-22 23:39:12,595 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-22 23:39:12,596 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-22 23:39:12,596 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-22 23:39:12,597 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:39:11" (1/1) ... [2023-11-22 23:39:12,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 23:39:12,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 23:39:12,679 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) [2023-11-22 23:39:12,715 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 [2023-11-22 23:39:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-22 23:39:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-22 23:39:12,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-22 23:39:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-22 23:39:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-11-22 23:39:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-11-22 23:39:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-22 23:39:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure drbd_proc_open [2023-11-22 23:39:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure drbd_proc_open [2023-11-22 23:39:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-22 23:39:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-22 23:39:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2023-11-22 23:39:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2023-11-22 23:39:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2023-11-22 23:39:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-22 23:39:12,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-22 23:39:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2023-11-22 23:39:12,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2023-11-22 23:39:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure drbd_proc_release [2023-11-22 23:39:12,734 INFO L138 BoogieDeclarations]: Found implementation of procedure drbd_proc_release [2023-11-22 23:39:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-22 23:39:13,010 INFO L241 CfgBuilder]: Building ICFG [2023-11-22 23:39:13,012 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-22 23:39:13,111 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-22 23:39:20,121 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2023-11-22 23:39:20,121 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2023-11-22 23:39:20,239 INFO L282 CfgBuilder]: Performing block encoding [2023-11-22 23:39:20,700 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-22 23:39:20,700 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-22 23:39:20,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:39:20 BoogieIcfgContainer [2023-11-22 23:39:20,701 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-22 23:39:20,703 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-22 23:39:20,703 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-22 23:39:20,705 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-22 23:39:20,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:38:56" (1/3) ... [2023-11-22 23:39:20,707 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad04e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:39:20, skipping insertion in model container [2023-11-22 23:39:20,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:39:11" (2/3) ... [2023-11-22 23:39:20,708 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad04e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:39:20, skipping insertion in model container [2023-11-22 23:39:20,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:39:20" (3/3) ... [2023-11-22 23:39:20,710 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i [2023-11-22 23:39:20,724 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-22 23:39:20,724 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-22 23:39:20,763 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-22 23:39:20,768 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;@32963e34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-22 23:39:20,768 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-22 23:39:20,772 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) [2023-11-22 23:39:20,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-22 23:39:20,776 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:39:20,777 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 23:39:20,778 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:39:20,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:39:20,784 INFO L85 PathProgramCache]: Analyzing trace with hash -741059564, now seen corresponding path program 1 times [2023-11-22 23:39:20,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-22 23:39:20,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1189235056] [2023-11-22 23:39:20,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:39:20,808 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 [2023-11-22 23:39:20,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-11-22 23:39:20,810 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) [2023-11-22 23:39:20,843 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 [2023-11-22 23:39:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:39:25,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 6092 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-22 23:39:25,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 23:39:25,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-22 23:39:25,176 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-22 23:39:25,176 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-22 23:39:25,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1189235056] [2023-11-22 23:39:25,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1189235056] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:39:25,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:39:25,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-22 23:39:25,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8687909] [2023-11-22 23:39:25,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:39:25,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-22 23:39:25,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-22 23:39:25,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-22 23:39:25,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-22 23:39:25,214 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) [2023-11-22 23:39:27,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:39:27,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:39:27,936 INFO L93 Difference]: Finished difference Result 136 states and 185 transitions. [2023-11-22 23:39:27,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 23:39:27,938 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 [2023-11-22 23:39:27,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:39:27,944 INFO L225 Difference]: With dead ends: 136 [2023-11-22 23:39:27,944 INFO L226 Difference]: Without dead ends: 85 [2023-11-22 23:39:27,945 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 [2023-11-22 23:39:27,948 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 48 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s 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, 2.7s IncrementalHoareTripleChecker+Time [2023-11-22 23:39:27,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 93 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2023-11-22 23:39:27,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-22 23:39:27,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 82. [2023-11-22 23:39:27,974 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) [2023-11-22 23:39:27,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 104 transitions. [2023-11-22 23:39:27,976 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 104 transitions. Word has length 8 [2023-11-22 23:39:27,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:39:27,977 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 104 transitions. [2023-11-22 23:39:27,977 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) [2023-11-22 23:39:27,977 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 104 transitions. [2023-11-22 23:39:27,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-22 23:39:27,978 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:39:27,978 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 23:39:28,030 INFO L552 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)] Ended with exit code 0 [2023-11-22 23:39:28,204 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 [2023-11-22 23:39:28,205 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:39:28,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:39:28,205 INFO L85 PathProgramCache]: Analyzing trace with hash 690431838, now seen corresponding path program 1 times [2023-11-22 23:39:28,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-22 23:39:28,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [535701383] [2023-11-22 23:39:28,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:39:28,211 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 [2023-11-22 23:39:28,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-11-22 23:39:28,212 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) [2023-11-22 23:39:28,214 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 [2023-11-22 23:39:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:39:32,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 6117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-22 23:39:32,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 23:39:32,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-22 23:39:32,180 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-22 23:39:32,180 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-22 23:39:32,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [535701383] [2023-11-22 23:39:32,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [535701383] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:39:32,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:39:32,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-22 23:39:32,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588362623] [2023-11-22 23:39:32,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:39:32,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-22 23:39:32,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-22 23:39:32,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-22 23:39:32,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-22 23:39:32,182 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) [2023-11-22 23:39:34,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:39:34,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:39:34,838 INFO L93 Difference]: Finished difference Result 179 states and 234 transitions. [2023-11-22 23:39:34,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 23:39:34,839 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 [2023-11-22 23:39:34,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:39:34,840 INFO L225 Difference]: With dead ends: 179 [2023-11-22 23:39:34,840 INFO L226 Difference]: Without dead ends: 97 [2023-11-22 23:39:34,841 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 [2023-11-22 23:39:34,842 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 [2023-11-22 23:39:34,842 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] [2023-11-22 23:39:34,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-22 23:39:34,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-11-22 23:39:34,849 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) [2023-11-22 23:39:34,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 124 transitions. [2023-11-22 23:39:34,850 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 124 transitions. Word has length 17 [2023-11-22 23:39:34,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:39:34,850 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 124 transitions. [2023-11-22 23:39:34,850 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) [2023-11-22 23:39:34,850 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 124 transitions. [2023-11-22 23:39:34,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-22 23:39:34,851 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:39:34,851 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] [2023-11-22 23:39:34,907 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 [2023-11-22 23:39:35,052 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 [2023-11-22 23:39:35,053 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:39:35,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:39:35,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1624369381, now seen corresponding path program 1 times [2023-11-22 23:39:35,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-22 23:39:35,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2137104999] [2023-11-22 23:39:35,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:39:35,058 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 [2023-11-22 23:39:35,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-11-22 23:39:35,062 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) [2023-11-22 23:39:35,063 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 [2023-11-22 23:39:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:39:38,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 6129 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-22 23:39:38,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 23:39:39,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-22 23:39:39,230 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-22 23:39:39,230 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-22 23:39:39,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2137104999] [2023-11-22 23:39:39,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2137104999] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:39:39,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:39:39,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 23:39:39,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258351145] [2023-11-22 23:39:39,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:39:39,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 23:39:39,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-22 23:39:39,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 23:39:39,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-22 23:39:39,232 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) [2023-11-22 23:39:41,591 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 [] [2023-11-22 23:39:43,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:39:45,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:39:47,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:39:49,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 23:39:50,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:39:50,258 INFO L93 Difference]: Finished difference Result 155 states and 199 transitions. [2023-11-22 23:39:50,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 23:39:50,260 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 [2023-11-22 23:39:50,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:39:50,261 INFO L225 Difference]: With dead ends: 155 [2023-11-22 23:39:50,261 INFO L226 Difference]: Without dead ends: 103 [2023-11-22 23:39:50,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-22 23:39:50,262 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 3 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s 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, 10.9s IncrementalHoareTripleChecker+Time [2023-11-22 23:39:50,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 255 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 5 Unknown, 0 Unchecked, 10.9s Time] [2023-11-22 23:39:50,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-11-22 23:39:50,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2023-11-22 23:39:50,270 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) [2023-11-22 23:39:50,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 130 transitions. [2023-11-22 23:39:50,273 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 130 transitions. Word has length 24 [2023-11-22 23:39:50,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:39:50,274 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 130 transitions. [2023-11-22 23:39:50,274 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) [2023-11-22 23:39:50,274 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 130 transitions. [2023-11-22 23:39:50,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-22 23:39:50,275 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:39:50,275 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] [2023-11-22 23:39:50,335 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 [2023-11-22 23:39:50,500 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 [2023-11-22 23:39:50,500 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:39:50,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:39:50,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1881918119, now seen corresponding path program 1 times [2023-11-22 23:39:50,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-22 23:39:50,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1337231484] [2023-11-22 23:39:50,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:39:50,505 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 [2023-11-22 23:39:50,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-11-22 23:39:50,507 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) [2023-11-22 23:39:50,508 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 [2023-11-22 23:40:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-22 23:40:40,382 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-22 23:41:32,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-22 23:41:44,888 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-22 23:41:44,888 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-22 23:41:44,889 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-22 23:41:44,979 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 [2023-11-22 23:41:45,090 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 [2023-11-22 23:41:45,093 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-22 23:41:45,095 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-22 23:41:45,169 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret938 could not be translated [2023-11-22 23:41:45,172 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret945 could not be translated [2023-11-22 23:41:45,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:41:45 BoogieIcfgContainer [2023-11-22 23:41:45,184 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-22 23:41:45,184 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-22 23:41:45,184 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-22 23:41:45,184 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-22 23:41:45,185 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:39:20" (3/4) ... [2023-11-22 23:41:45,186 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-22 23:41:45,187 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-22 23:41:45,187 INFO L158 Benchmark]: Toolchain (without parser) took 169075.54ms. Allocated memory was 83.9MB in the beginning and 3.0GB in the end (delta: 2.9GB). Free memory was 34.6MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 643.0MB. Max. memory is 16.1GB. [2023-11-22 23:41:45,187 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 69.2MB. Free memory was 51.5MB in the beginning and 51.4MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-22 23:41:45,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 15843.58ms. Allocated memory was 83.9MB in the beginning and 633.3MB in the end (delta: 549.5MB). Free memory was 34.3MB in the beginning and 266.3MB in the end (delta: -232.0MB). Peak memory consumption was 396.8MB. Max. memory is 16.1GB. [2023-11-22 23:41:45,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 423.26ms. Allocated memory is still 633.3MB. Free memory was 266.3MB in the beginning and 216.0MB in the end (delta: 50.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-22 23:41:45,188 INFO L158 Benchmark]: Boogie Preprocessor took 213.42ms. Allocated memory is still 633.3MB. Free memory was 216.0MB in the beginning and 393.2MB in the end (delta: -177.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-22 23:41:45,188 INFO L158 Benchmark]: RCFGBuilder took 8105.67ms. Allocated memory was 633.3MB in the beginning and 1.9GB in the end (delta: 1.3GB). Free memory was 393.2MB in the beginning and 1.0GB in the end (delta: -638.7MB). Peak memory consumption was 695.2MB. Max. memory is 16.1GB. [2023-11-22 23:41:45,188 INFO L158 Benchmark]: TraceAbstraction took 144481.06ms. Allocated memory was 1.9GB in the beginning and 3.0GB in the end (delta: 1.1GB). Free memory was 1.0GB in the beginning and 2.3GB in the end (delta: -1.3GB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-22 23:41:45,189 INFO L158 Benchmark]: Witness Printer took 2.49ms. Allocated memory is still 3.0GB. Free memory is still 2.3GB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-22 23:41:45,190 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 69.2MB. Free memory was 51.5MB in the beginning and 51.4MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 15843.58ms. Allocated memory was 83.9MB in the beginning and 633.3MB in the end (delta: 549.5MB). Free memory was 34.3MB in the beginning and 266.3MB in the end (delta: -232.0MB). Peak memory consumption was 396.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 423.26ms. Allocated memory is still 633.3MB. Free memory was 266.3MB in the beginning and 216.0MB in the end (delta: 50.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 213.42ms. Allocated memory is still 633.3MB. Free memory was 216.0MB in the beginning and 393.2MB in the end (delta: -177.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * RCFGBuilder took 8105.67ms. Allocated memory was 633.3MB in the beginning and 1.9GB in the end (delta: 1.3GB). Free memory was 393.2MB in the beginning and 1.0GB in the end (delta: -638.7MB). Peak memory consumption was 695.2MB. Max. memory is 16.1GB. * TraceAbstraction took 144481.06ms. Allocated memory was 1.9GB in the beginning and 3.0GB in the end (delta: 1.1GB). Free memory was 1.0GB in the beginning and 2.3GB in the end (delta: -1.3GB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.49ms. Allocated memory is still 3.0GB. Free memory is still 2.3GB. There was no memory consumed. 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 ; [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 ; [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 ; [L29662] mempool_t *drbd_ee_mempool ; [L29663] struct page *drbd_pp_pool ; [L29664] spinlock_t drbd_pp_lock ; [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={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=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={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=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={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=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={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={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={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={1505:1506}, file={1505:1506}, global_state_lock={1487:0}, inode={34359738368:18014398509481984}, inode={34359738368:18014398509481984}, 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={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={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={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={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={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={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={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={1505:1506}, file={1505:1506}, global_state_lock={1487:0}, inode={34359738368:18014398509481984}, inode={34359738368:18014398509481984}, 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={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={1505:1506}, file={1505:1506}, global_state_lock={1487:0}, inode={34359738368:18014398509481984}, inode={34359738368:18014398509481984}, 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={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=2, usermode_helper={1494:0}, var_group1={34359738368:18014398509481984}, 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={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=-2147483648, tag_descriptions={1502:0}, tmp=0, tmp___0=2, usermode_helper={1494:0}, var_group1={34359738368:18014398509481984}, 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={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={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={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={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={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: 144.3s, 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, 16.2s 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, 58.2s 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 [2023-11-22 23:41:45,277 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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample