./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.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 5a2d8eeee8172bd53a3a8fe50479074a3e24505e5dfe32511bd32321d3ee1c0c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 04:08:39,789 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 04:08:39,851 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 04:08:39,857 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 04:08:39,861 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 04:08:39,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 04:08:39,897 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 04:08:39,897 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 04:08:39,898 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 04:08:39,910 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 04:08:39,910 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 04:08:39,911 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 04:08:39,911 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 04:08:39,911 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 04:08:39,912 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 04:08:39,912 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 04:08:39,912 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 04:08:39,913 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 04:08:39,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 04:08:39,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 04:08:39,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 04:08:39,914 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 04:08:39,914 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 04:08:39,914 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 04:08:39,914 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 04:08:39,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 04:08:39,915 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 04:08:39,915 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 04:08:39,916 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 04:08:39,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 04:08:39,916 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 04:08:39,916 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 04:08:39,917 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 04:08:39,917 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 04:08:39,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 04:08:39,917 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 04:08:39,917 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 04:08:39,918 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 04:08:39,918 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 04:08:39,918 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a2d8eeee8172bd53a3a8fe50479074a3e24505e5dfe32511bd32321d3ee1c0c [2024-11-19 04:08:40,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 04:08:40,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 04:08:40,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 04:08:40,324 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 04:08:40,326 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 04:08:40,327 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2024-11-19 04:08:41,967 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 04:08:42,471 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 04:08:42,472 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2024-11-19 04:08:42,543 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ebdccb59/a94c637d71d946198f528fb9905551c2/FLAGf3efa88b5 [2024-11-19 04:08:42,557 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ebdccb59/a94c637d71d946198f528fb9905551c2 [2024-11-19 04:08:42,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 04:08:42,563 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 04:08:42,565 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 04:08:42,565 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 04:08:42,570 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 04:08:42,571 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:42" (1/1) ... [2024-11-19 04:08:42,573 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@708932d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:42, skipping insertion in model container [2024-11-19 04:08:42,575 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:42" (1/1) ... [2024-11-19 04:08:42,750 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 04:08:46,196 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463372,463385] [2024-11-19 04:08:46,199 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463517,463530] [2024-11-19 04:08:46,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 04:08:46,235 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 04:08:46,325 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [7220] [2024-11-19 04:08:46,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [7227] [2024-11-19 04:08:46,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7234] [2024-11-19 04:08:46,329 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 *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [7331-7332] [2024-11-19 04:08:46,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [7337-7339] [2024-11-19 04:08:46,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; addl %1,%0": "+m" (v->counter): "ir" (i)); [7379] [2024-11-19 04:08:46,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [7386] [2024-11-19 04:08:46,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [7414-7415] [2024-11-19 04:08:46,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [7418-7419] [2024-11-19 04:08:46,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [7422-7423] [2024-11-19 04:08:46,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [7426-7427] [2024-11-19 04:08:46,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [7468] [2024-11-19 04:08:46,335 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7471] [2024-11-19 04:08:46,335 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7474] [2024-11-19 04:08:46,335 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7477] [2024-11-19 04:08:46,335 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7514] [2024-11-19 04:08:46,336 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7517] [2024-11-19 04:08:46,336 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [7519] [2024-11-19 04:08:46,336 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [7524] [2024-11-19 04:08:46,336 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [7527] [2024-11-19 04:08:46,337 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [7529] [2024-11-19 04:08:46,337 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [7534] [2024-11-19 04:08:46,337 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [7537] [2024-11-19 04:08:46,337 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [7539] [2024-11-19 04:08:46,338 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [7544] [2024-11-19 04:08:46,338 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [7547] [2024-11-19 04:08:46,338 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [7549] [2024-11-19 04:08:46,339 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7587] [2024-11-19 04:08:46,339 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7590] [2024-11-19 04:08:46,339 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [7592] [2024-11-19 04:08:46,340 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [7597] [2024-11-19 04:08:46,340 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [7600] [2024-11-19 04:08:46,340 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [7602] [2024-11-19 04:08:46,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [7607] [2024-11-19 04:08:46,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [7610] [2024-11-19 04:08:46,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [7612] [2024-11-19 04:08:46,342 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [7617] [2024-11-19 04:08:46,342 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [7620] [2024-11-19 04:08:46,342 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [7622] [2024-11-19 04:08:46,342 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7638] [2024-11-19 04:08:46,344 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7764] [2024-11-19 04:08:46,345 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7773] [2024-11-19 04:08:46,354 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7998] [2024-11-19 04:08:46,361 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 *)"fs/nfs/nfs4filelayout.c"), "i" (84), "i" (12UL)); [8308-8309] [2024-11-19 04:08:46,653 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)); [12431-12432] [2024-11-19 04:08:46,663 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12793] [2024-11-19 04:08:46,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13947] [2024-11-19 04:08:46,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13949] [2024-11-19 04:08:46,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13986] [2024-11-19 04:08:46,726 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463372,463385] [2024-11-19 04:08:46,727 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463517,463530] [2024-11-19 04:08:46,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 04:08:46,994 INFO L204 MainTranslator]: Completed translation [2024-11-19 04:08:46,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:46 WrapperNode [2024-11-19 04:08:46,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 04:08:46,997 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 04:08:46,997 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 04:08:46,997 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 04:08:47,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:46" (1/1) ... [2024-11-19 04:08:47,112 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:46" (1/1) ... [2024-11-19 04:08:47,275 INFO L138 Inliner]: procedures = 518, calls = 2191, calls flagged for inlining = 215, calls inlined = 174, statements flattened = 6015 [2024-11-19 04:08:47,276 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 04:08:47,277 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 04:08:47,277 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 04:08:47,277 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 04:08:47,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:46" (1/1) ... [2024-11-19 04:08:47,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:46" (1/1) ... [2024-11-19 04:08:47,314 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:46" (1/1) ... [2024-11-19 04:08:48,702 INFO L175 MemorySlicer]: Split 613 memory accesses to 14 slices as follows [9, 0, 543, 1, 4, 2, 4, 4, 4, 28, 6, 3, 3, 2]. 89 percent of accesses are in the largest equivalence class. The 48 initializations are split as follows [9, 0, 22, 1, 0, 2, 4, 4, 0, 0, 0, 3, 3, 0]. The 130 writes are split as follows [0, 0, 95, 0, 2, 0, 0, 0, 4, 28, 0, 0, 0, 1]. [2024-11-19 04:08:48,703 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:46" (1/1) ... [2024-11-19 04:08:48,703 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:46" (1/1) ... [2024-11-19 04:08:48,867 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:46" (1/1) ... [2024-11-19 04:08:48,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:46" (1/1) ... [2024-11-19 04:08:48,949 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:46" (1/1) ... [2024-11-19 04:08:48,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:46" (1/1) ... [2024-11-19 04:08:49,036 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 04:08:49,038 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 04:08:49,038 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 04:08:49,039 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 04:08:49,039 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:46" (1/1) ... [2024-11-19 04:08:49,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 04:08:49,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 04:08:49,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 04:08:49,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 04:08:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_ds_info [2024-11-19 04:08:49,125 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_ds_info [2024-11-19 04:08:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_prepare [2024-11-19 04:08:49,126 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_prepare [2024-11-19 04:08:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_prepare_ds [2024-11-19 04:08:49,126 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_prepare_ds [2024-11-19 04:08:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_write [2024-11-19 04:08:49,126 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_write [2024-11-19 04:08:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-19 04:08:49,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-19 04:08:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2024-11-19 04:08:49,127 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2024-11-19 04:08:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 04:08:49,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 04:08:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2024-11-19 04:08:49,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2024-11-19 04:08:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_commit [2024-11-19 04:08:49,129 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_commit [2024-11-19 04:08:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_init_decode_pages [2024-11-19 04:08:49,129 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_init_decode_pages [2024-11-19 04:08:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-19 04:08:49,129 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-19 04:08:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_lseg [2024-11-19 04:08:49,129 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_lseg [2024-11-19 04:08:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2024-11-19 04:08:49,129 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2024-11-19 04:08:49,130 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_select_ds_fh [2024-11-19 04:08:49,130 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_select_ds_fh [2024-11-19 04:08:49,130 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2024-11-19 04:08:49,130 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2024-11-19 04:08:49,130 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_LSEG [2024-11-19 04:08:49,130 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_LSEG [2024-11-19 04:08:49,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-19 04:08:49,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-19 04:08:49,130 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_read [2024-11-19 04:08:49,131 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_read [2024-11-19 04:08:49,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-19 04:08:49,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-19 04:08:49,131 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_j_index [2024-11-19 04:08:49,131 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_j_index [2024-11-19 04:08:49,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 04:08:49,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_104 [2024-11-19 04:08:49,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_104 [2024-11-19 04:08:49,132 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_count_stats [2024-11-19 04:08:49,132 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_count_stats [2024-11-19 04:08:49,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_104___0 [2024-11-19 04:08:49,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_104___0 [2024-11-19 04:08:49,133 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-19 04:08:49,133 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-19 04:08:49,133 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_get_lseg [2024-11-19 04:08:49,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_get_lseg [2024-11-19 04:08:49,133 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-19 04:08:49,133 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-19 04:08:49,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-19 04:08:49,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-19 04:08:49,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-19 04:08:49,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-19 04:08:49,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-19 04:08:49,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-19 04:08:49,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-19 04:08:49,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-19 04:08:49,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-19 04:08:49,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-19 04:08:49,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-19 04:08:49,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-19 04:08:49,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-19 04:08:49,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-19 04:08:49,136 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_read_mds [2024-11-19 04:08:49,136 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_read_mds [2024-11-19 04:08:49,136 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_recover_commit_reqs [2024-11-19 04:08:49,136 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_recover_commit_reqs [2024-11-19 04:08:49,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 04:08:49,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 04:08:49,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 04:08:49,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 04:08:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 04:08:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 04:08:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 04:08:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 04:08:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 04:08:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-19 04:08:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-19 04:08:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-19 04:08:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-19 04:08:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-19 04:08:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-19 04:08:49,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-19 04:08:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_test [2024-11-19 04:08:49,139 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_test [2024-11-19 04:08:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_write [2024-11-19 04:08:49,140 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_write [2024-11-19 04:08:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_commit_list [2024-11-19 04:08:49,140 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_commit_list [2024-11-19 04:08:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 04:08:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 04:08:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 04:08:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 04:08:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 04:08:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 04:08:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 04:08:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 04:08:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 04:08:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 04:08:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 04:08:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-19 04:08:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-19 04:08:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-19 04:08:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_release [2024-11-19 04:08:49,141 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_release [2024-11-19 04:08:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2024-11-19 04:08:49,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2024-11-19 04:08:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_layout_hdr [2024-11-19 04:08:49,141 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_layout_hdr [2024-11-19 04:08:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-19 04:08:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-19 04:08:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-19 04:08:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-19 04:08:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-19 04:08:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-19 04:08:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-19 04:08:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-19 04:08:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-19 04:08:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-19 04:08:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-19 04:08:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-19 04:08:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-19 04:08:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-19 04:08:49,142 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-19 04:08:49,143 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-19 04:08:49,143 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-19 04:08:49,143 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-19 04:08:49,143 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-19 04:08:49,143 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-19 04:08:49,143 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-19 04:08:49,143 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-19 04:08:49,143 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-19 04:08:49,145 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-19 04:08:49,145 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-19 04:08:49,145 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-19 04:08:49,145 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-19 04:08:49,145 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-19 04:08:49,145 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_find_or_create_ds_client [2024-11-19 04:08:49,145 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_find_or_create_ds_client [2024-11-19 04:08:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-19 04:08:49,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-19 04:08:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-19 04:08:49,146 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-19 04:08:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2024-11-19 04:08:49,146 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2024-11-19 04:08:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_deveiceid_node [2024-11-19 04:08:49,146 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_deveiceid_node [2024-11-19 04:08:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 04:08:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-19 04:08:49,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-19 04:08:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-19 04:08:49,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-19 04:08:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_request_remove_commit_list [2024-11-19 04:08:49,147 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_request_remove_commit_list [2024-11-19 04:08:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2024-11-19 04:08:49,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2024-11-19 04:08:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_commit_done [2024-11-19 04:08:49,148 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_commit_done [2024-11-19 04:08:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-11-19 04:08:49,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-11-19 04:08:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 04:08:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_FROM_HDR [2024-11-19 04:08:49,148 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_FROM_HDR [2024-11-19 04:08:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2024-11-19 04:08:49,148 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2024-11-19 04:08:49,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-19 04:08:49,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-19 04:08:49,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 04:08:49,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 04:08:49,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 04:08:49,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 04:08:49,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 04:08:49,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 04:08:49,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 04:08:49,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 04:08:49,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 04:08:49,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 04:08:49,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 04:08:49,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-19 04:08:49,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-19 04:08:49,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-19 04:08:49,152 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_layout_hdr [2024-11-19 04:08:49,152 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_layout_hdr [2024-11-19 04:08:49,152 INFO L130 BoogieDeclarations]: Found specification of procedure req_offset [2024-11-19 04:08:49,152 INFO L138 BoogieDeclarations]: Found implementation of procedure req_offset [2024-11-19 04:08:49,152 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-19 04:08:49,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-19 04:08:49,152 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_mark_request_commit [2024-11-19 04:08:49,152 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_mark_request_commit [2024-11-19 04:08:49,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2024-11-19 04:08:49,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2024-11-19 04:08:49,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2024-11-19 04:08:49,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2024-11-19 04:08:49,153 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-11-19 04:08:49,153 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-11-19 04:08:49,153 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-19 04:08:49,153 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-19 04:08:49,153 INFO L130 BoogieDeclarations]: Found specification of procedure _filelayout_free_lseg [2024-11-19 04:08:49,153 INFO L138 BoogieDeclarations]: Found implementation of procedure _filelayout_free_lseg [2024-11-19 04:08:49,153 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_lseg [2024-11-19 04:08:49,153 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_lseg [2024-11-19 04:08:49,153 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-19 04:08:49,153 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-19 04:08:49,153 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_set_rw_stateid [2024-11-19 04:08:49,154 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_set_rw_stateid [2024-11-19 04:08:49,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 04:08:49,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 04:08:49,154 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-19 04:08:49,154 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-19 04:08:49,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-19 04:08:49,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-19 04:08:49,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-19 04:08:49,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-19 04:08:49,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-19 04:08:49,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-19 04:08:49,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-19 04:08:49,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-19 04:08:49,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-19 04:08:49,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-19 04:08:49,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-19 04:08:49,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-19 04:08:49,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-19 04:08:49,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-19 04:08:49,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 04:08:49,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 04:08:49,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 04:08:49,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 04:08:49,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 04:08:49,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 04:08:49,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 04:08:49,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 04:08:49,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 04:08:49,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-19 04:08:49,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-19 04:08:49,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-19 04:08:49,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-19 04:08:49,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-19 04:08:49,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-19 04:08:49,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-19 04:08:49,159 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_count_stats [2024-11-19 04:08:49,160 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_count_stats [2024-11-19 04:08:49,160 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_DEVID_NODE [2024-11-19 04:08:49,160 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_DEVID_NODE [2024-11-19 04:08:49,160 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_resend_writes [2024-11-19 04:08:49,160 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_resend_writes [2024-11-19 04:08:49,160 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_sequence_done [2024-11-19 04:08:49,160 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_sequence_done [2024-11-19 04:08:49,160 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_free_deviceid [2024-11-19 04:08:49,160 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_free_deviceid [2024-11-19 04:08:49,160 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_retry_commit [2024-11-19 04:08:49,160 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_retry_commit [2024-11-19 04:08:49,160 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_scan_commit_lists [2024-11-19 04:08:49,160 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_scan_commit_lists [2024-11-19 04:08:49,160 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_fenceme [2024-11-19 04:08:49,160 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_fenceme [2024-11-19 04:08:49,160 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_pagelist [2024-11-19 04:08:49,161 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_pagelist [2024-11-19 04:08:49,161 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_put_lseg [2024-11-19 04:08:49,161 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_put_lseg [2024-11-19 04:08:49,161 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2024-11-19 04:08:49,161 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2024-11-19 04:08:49,161 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2024-11-19 04:08:49,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2024-11-19 04:08:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_count_stats [2024-11-19 04:08:49,165 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_count_stats [2024-11-19 04:08:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_read [2024-11-19 04:08:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_read [2024-11-19 04:08:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_exit [2024-11-19 04:08:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_exit [2024-11-19 04:08:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-11-19 04:08:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-11-19 04:08:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2024-11-19 04:08:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2024-11-19 04:08:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_count_iostats [2024-11-19 04:08:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_count_iostats [2024-11-19 04:08:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_clear_request_commit [2024-11-19 04:08:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_clear_request_commit [2024-11-19 04:08:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 04:08:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-19 04:08:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-19 04:08:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FILEID [2024-11-19 04:08:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FILEID [2024-11-19 04:08:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_ds_index [2024-11-19 04:08:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_ds_index [2024-11-19 04:08:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_dserver_offset [2024-11-19 04:08:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_dserver_offset [2024-11-19 04:08:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 04:08:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 04:08:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 04:08:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 04:08:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 04:08:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 04:08:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 04:08:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 04:08:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 04:08:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 04:08:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 04:08:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-19 04:08:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-19 04:08:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-19 04:08:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_put_deviceid [2024-11-19 04:08:49,168 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_put_deviceid [2024-11-19 04:08:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2024-11-19 04:08:49,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2024-11-19 04:08:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 04:08:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 04:08:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 04:08:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 04:08:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 04:08:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 04:08:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 04:08:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-19 04:08:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-19 04:08:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-19 04:08:49,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-19 04:08:49,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-19 04:08:49,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-19 04:08:49,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-19 04:08:49,169 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_prepare [2024-11-19 04:08:49,169 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_prepare [2024-11-19 04:08:49,169 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-19 04:08:49,169 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-19 04:08:49,171 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2024-11-19 04:08:49,171 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2024-11-19 04:08:49,171 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-19 04:08:49,171 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-19 04:08:49,171 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-19 04:08:49,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-19 04:08:49,172 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_put_client [2024-11-19 04:08:49,172 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_put_client [2024-11-19 04:08:49,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-19 04:08:49,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-19 04:08:49,172 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_call_done [2024-11-19 04:08:49,172 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_call_done [2024-11-19 04:08:49,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-19 04:08:49,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-19 04:08:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_release [2024-11-19 04:08:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_release [2024-11-19 04:08:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_setup_sequence [2024-11-19 04:08:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_setup_sequence [2024-11-19 04:08:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-11-19 04:08:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-11-19 04:08:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_commitdata_alloc [2024-11-19 04:08:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_commitdata_alloc [2024-11-19 04:08:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_set_scratch_buffer [2024-11-19 04:08:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_set_scratch_buffer [2024-11-19 04:08:49,174 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_pagelist [2024-11-19 04:08:49,174 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_pagelist [2024-11-19 04:08:49,174 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-19 04:08:49,174 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-19 04:08:49,175 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-19 04:08:49,176 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-19 04:08:49,176 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_call_done [2024-11-19 04:08:49,176 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_call_done [2024-11-19 04:08:49,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 04:08:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 04:08:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 04:08:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 04:08:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 04:08:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 04:08:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 04:08:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 04:08:49,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 04:08:49,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 04:08:49,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 04:08:49,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-19 04:08:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-19 04:08:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-19 04:08:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_fh_array [2024-11-19 04:08:49,180 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_fh_array [2024-11-19 04:08:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_pagelist [2024-11-19 04:08:49,180 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_pagelist [2024-11-19 04:08:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-19 04:08:49,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-19 04:08:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_commit [2024-11-19 04:08:49,180 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_commit [2024-11-19 04:08:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-19 04:08:49,181 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-19 04:08:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_103 [2024-11-19 04:08:49,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_103 [2024-11-19 04:08:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2024-11-19 04:08:49,181 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2024-11-19 04:08:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_print_deviceid [2024-11-19 04:08:49,181 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_print_deviceid [2024-11-19 04:08:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-19 04:08:49,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-19 04:08:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_update_layout [2024-11-19 04:08:49,181 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_update_layout [2024-11-19 04:08:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-19 04:08:49,181 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-19 04:08:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2024-11-19 04:08:49,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2024-11-19 04:08:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_release [2024-11-19 04:08:49,182 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_release [2024-11-19 04:08:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_mark_deviceid_unavailable [2024-11-19 04:08:49,182 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_mark_deviceid_unavailable [2024-11-19 04:08:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_test_devid_unavailable [2024-11-19 04:08:49,182 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_test_devid_unavailable [2024-11-19 04:08:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 04:08:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 04:08:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 04:08:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 04:08:49,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 04:08:49,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 04:08:49,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 04:08:49,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 04:08:49,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 04:08:49,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 04:08:49,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 04:08:49,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 04:08:49,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-19 04:08:49,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-19 04:08:49,184 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2024-11-19 04:08:49,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2024-11-19 04:08:49,185 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_prepare [2024-11-19 04:08:49,185 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_prepare [2024-11-19 04:08:49,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-19 04:08:49,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-19 04:08:49,185 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_to_mds [2024-11-19 04:08:49,185 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_to_mds [2024-11-19 04:08:50,191 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 04:08:50,195 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 04:08:50,612 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-19 04:08:58,095 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-19 04:08:59,790 INFO L? ?]: Removed 2790 outVars from TransFormulas that were not future-live. [2024-11-19 04:08:59,790 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 04:08:59,851 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 04:08:59,851 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 04:08:59,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:59 BoogieIcfgContainer [2024-11-19 04:08:59,852 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 04:08:59,854 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 04:08:59,854 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 04:08:59,857 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 04:08:59,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:08:42" (1/3) ... [2024-11-19 04:08:59,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3be3d719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:08:59, skipping insertion in model container [2024-11-19 04:08:59,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:46" (2/3) ... [2024-11-19 04:08:59,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3be3d719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:08:59, skipping insertion in model container [2024-11-19 04:08:59,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:59" (3/3) ... [2024-11-19 04:08:59,860 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2024-11-19 04:08:59,876 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 04:08:59,877 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 04:09:00,125 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 04:09:00,133 INFO L333 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, 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;@6834eb25, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 04:09:00,134 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 04:09:00,150 INFO L276 IsEmpty]: Start isEmpty. Operand has 2478 states, 1693 states have (on average 1.312463083284111) internal successors, (2222), 1738 states have internal predecessors, (2222), 659 states have call successors, (659), 126 states have call predecessors, (659), 125 states have return successors, (653), 630 states have call predecessors, (653), 653 states have call successors, (653) [2024-11-19 04:09:00,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-19 04:09:00,196 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:09:00,197 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:09:00,199 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:09:00,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:09:00,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1491955577, now seen corresponding path program 1 times [2024-11-19 04:09:00,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:09:00,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47180550] [2024-11-19 04:09:00,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:09:00,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:09:00,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:09:01,485 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-11-19 04:09:01,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:09:01,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47180550] [2024-11-19 04:09:01,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47180550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:09:01,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:09:01,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:09:01,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110371452] [2024-11-19 04:09:01,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:09:01,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:09:01,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:09:01,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:09:01,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:09:01,524 INFO L87 Difference]: Start difference. First operand has 2478 states, 1693 states have (on average 1.312463083284111) internal successors, (2222), 1738 states have internal predecessors, (2222), 659 states have call successors, (659), 126 states have call predecessors, (659), 125 states have return successors, (653), 630 states have call predecessors, (653), 653 states have call successors, (653) Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-11-19 04:09:05,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 04:09:06,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:09:06,051 INFO L93 Difference]: Finished difference Result 7178 states and 10332 transitions. [2024-11-19 04:09:06,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:09:06,054 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 408 [2024-11-19 04:09:06,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:09:06,100 INFO L225 Difference]: With dead ends: 7178 [2024-11-19 04:09:06,100 INFO L226 Difference]: Without dead ends: 4660 [2024-11-19 04:09:06,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:09:06,121 INFO L432 NwaCegarLoop]: 3537 mSDtfsCounter, 3272 mSDsluCounter, 3448 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3272 SdHoareTripleChecker+Valid, 6985 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-19 04:09:06,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3272 Valid, 6985 Invalid, 80 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 72 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-19 04:09:06,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4660 states. [2024-11-19 04:09:06,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4660 to 4656. [2024-11-19 04:09:06,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4656 states, 3205 states have (on average 1.3148205928237129) internal successors, (4214), 3295 states have internal predecessors, (4214), 1204 states have call successors, (1204), 246 states have call predecessors, (1204), 246 states have return successors, (1204), 1156 states have call predecessors, (1204), 1204 states have call successors, (1204) [2024-11-19 04:09:06,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4656 states to 4656 states and 6622 transitions. [2024-11-19 04:09:06,394 INFO L78 Accepts]: Start accepts. Automaton has 4656 states and 6622 transitions. Word has length 408 [2024-11-19 04:09:06,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:09:06,396 INFO L471 AbstractCegarLoop]: Abstraction has 4656 states and 6622 transitions. [2024-11-19 04:09:06,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-11-19 04:09:06,396 INFO L276 IsEmpty]: Start isEmpty. Operand 4656 states and 6622 transitions. [2024-11-19 04:09:06,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2024-11-19 04:09:06,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:09:06,404 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:09:06,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 04:09:06,404 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:09:06,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:09:06,405 INFO L85 PathProgramCache]: Analyzing trace with hash -38983046, now seen corresponding path program 1 times [2024-11-19 04:09:06,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:09:06,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911301124] [2024-11-19 04:09:06,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:09:06,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:09:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:09:07,237 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-11-19 04:09:07,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:09:07,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911301124] [2024-11-19 04:09:07,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911301124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:09:07,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:09:07,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:09:07,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442248561] [2024-11-19 04:09:07,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:09:07,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:09:07,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:09:07,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:09:07,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:09:07,245 INFO L87 Difference]: Start difference. First operand 4656 states and 6622 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-11-19 04:09:11,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 04:09:11,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:09:11,700 INFO L93 Difference]: Finished difference Result 12462 states and 17653 transitions. [2024-11-19 04:09:11,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:09:11,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 409 [2024-11-19 04:09:11,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:09:11,770 INFO L225 Difference]: With dead ends: 12462 [2024-11-19 04:09:11,770 INFO L226 Difference]: Without dead ends: 7879 [2024-11-19 04:09:11,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:09:11,801 INFO L432 NwaCegarLoop]: 5396 mSDtfsCounter, 3184 mSDsluCounter, 3361 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3184 SdHoareTripleChecker+Valid, 8757 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 04:09:11,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3184 Valid, 8757 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 72 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 04:09:11,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7879 states. [2024-11-19 04:09:12,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7879 to 7873. [2024-11-19 04:09:12,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7873 states, 5393 states have (on average 1.310402373447061) internal successors, (7067), 5558 states have internal predecessors, (7067), 2028 states have call successors, (2028), 451 states have call predecessors, (2028), 451 states have return successors, (2028), 1931 states have call predecessors, (2028), 2028 states have call successors, (2028) [2024-11-19 04:09:12,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7873 states to 7873 states and 11123 transitions. [2024-11-19 04:09:12,241 INFO L78 Accepts]: Start accepts. Automaton has 7873 states and 11123 transitions. Word has length 409 [2024-11-19 04:09:12,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:09:12,242 INFO L471 AbstractCegarLoop]: Abstraction has 7873 states and 11123 transitions. [2024-11-19 04:09:12,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-11-19 04:09:12,243 INFO L276 IsEmpty]: Start isEmpty. Operand 7873 states and 11123 transitions. [2024-11-19 04:09:12,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2024-11-19 04:09:12,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:09:12,250 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 34, 34, 34, 34, 34, 34, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:09:12,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 04:09:12,251 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:09:12,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:09:12,252 INFO L85 PathProgramCache]: Analyzing trace with hash 747994114, now seen corresponding path program 1 times [2024-11-19 04:09:12,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:09:12,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478988846] [2024-11-19 04:09:12,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:09:12,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:09:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:09:12,967 INFO L134 CoverageAnalysis]: Checked inductivity of 5259 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5256 trivial. 0 not checked. [2024-11-19 04:09:12,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:09:12,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478988846] [2024-11-19 04:09:12,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478988846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:09:12,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:09:12,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:09:12,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063220589] [2024-11-19 04:09:12,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:09:12,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:09:12,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:09:12,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:09:12,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:09:12,970 INFO L87 Difference]: Start difference. First operand 7873 states and 11123 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-19 04:09:17,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 04:09:17,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:09:17,455 INFO L93 Difference]: Finished difference Result 16641 states and 23425 transitions. [2024-11-19 04:09:17,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:09:17,456 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 431 [2024-11-19 04:09:17,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:09:17,544 INFO L225 Difference]: With dead ends: 16641 [2024-11-19 04:09:17,544 INFO L226 Difference]: Without dead ends: 8841 [2024-11-19 04:09:17,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:09:17,598 INFO L432 NwaCegarLoop]: 3445 mSDtfsCounter, 1269 mSDsluCounter, 3388 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1269 SdHoareTripleChecker+Valid, 6833 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 04:09:17,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1269 Valid, 6833 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 04:09:17,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8841 states. [2024-11-19 04:09:18,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8841 to 8839. [2024-11-19 04:09:18,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8839 states, 6030 states have (on average 1.3048092868988392) internal successors, (7868), 6222 states have internal predecessors, (7868), 2267 states have call successors, (2267), 541 states have call predecessors, (2267), 541 states have return successors, (2267), 2148 states have call predecessors, (2267), 2267 states have call successors, (2267) [2024-11-19 04:09:18,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8839 states to 8839 states and 12402 transitions. [2024-11-19 04:09:18,279 INFO L78 Accepts]: Start accepts. Automaton has 8839 states and 12402 transitions. Word has length 431 [2024-11-19 04:09:18,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:09:18,280 INFO L471 AbstractCegarLoop]: Abstraction has 8839 states and 12402 transitions. [2024-11-19 04:09:18,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-19 04:09:18,281 INFO L276 IsEmpty]: Start isEmpty. Operand 8839 states and 12402 transitions. [2024-11-19 04:09:18,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2024-11-19 04:09:18,290 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:09:18,290 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 35, 35, 35, 35, 35, 35, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:09:18,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 04:09:18,290 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:09:18,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:09:18,291 INFO L85 PathProgramCache]: Analyzing trace with hash -910756098, now seen corresponding path program 1 times [2024-11-19 04:09:18,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:09:18,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951342562] [2024-11-19 04:09:18,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:09:18,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:09:18,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:09:18,917 INFO L134 CoverageAnalysis]: Checked inductivity of 5463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2024-11-19 04:09:18,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:09:18,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951342562] [2024-11-19 04:09:18,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951342562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:09:18,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:09:18,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:09:18,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909803483] [2024-11-19 04:09:18,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:09:18,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:09:18,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:09:18,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:09:18,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:09:18,922 INFO L87 Difference]: Start difference. First operand 8839 states and 12402 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2024-11-19 04:09:22,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 04:09:22,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:09:22,934 INFO L93 Difference]: Finished difference Result 25239 states and 35425 transitions. [2024-11-19 04:09:22,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:09:22,935 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 453 [2024-11-19 04:09:22,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:09:23,094 INFO L225 Difference]: With dead ends: 25239 [2024-11-19 04:09:23,095 INFO L226 Difference]: Without dead ends: 16473 [2024-11-19 04:09:23,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:09:23,153 INFO L432 NwaCegarLoop]: 3447 mSDtfsCounter, 3247 mSDsluCounter, 3397 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3247 SdHoareTripleChecker+Valid, 6844 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-19 04:09:23,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3247 Valid, 6844 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-19 04:09:23,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16473 states. [2024-11-19 04:09:24,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16473 to 16447. [2024-11-19 04:09:24,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16447 states, 11261 states have (on average 1.3069887221383536) internal successors, (14718), 11626 states have internal predecessors, (14718), 4181 states have call successors, (4181), 1004 states have call predecessors, (4181), 1004 states have return successors, (4181), 3957 states have call predecessors, (4181), 4181 states have call successors, (4181) [2024-11-19 04:09:24,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16447 states to 16447 states and 23080 transitions. [2024-11-19 04:09:24,235 INFO L78 Accepts]: Start accepts. Automaton has 16447 states and 23080 transitions. Word has length 453 [2024-11-19 04:09:24,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:09:24,237 INFO L471 AbstractCegarLoop]: Abstraction has 16447 states and 23080 transitions. [2024-11-19 04:09:24,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2024-11-19 04:09:24,238 INFO L276 IsEmpty]: Start isEmpty. Operand 16447 states and 23080 transitions. [2024-11-19 04:09:24,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2024-11-19 04:09:24,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:09:24,247 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 35, 35, 35, 35, 35, 35, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:09:24,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 04:09:24,248 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:09:24,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:09:24,248 INFO L85 PathProgramCache]: Analyzing trace with hash -89647648, now seen corresponding path program 1 times [2024-11-19 04:09:24,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:09:24,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337844492] [2024-11-19 04:09:24,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:09:24,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:09:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:09:25,134 INFO L134 CoverageAnalysis]: Checked inductivity of 5463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2024-11-19 04:09:25,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:09:25,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337844492] [2024-11-19 04:09:25,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337844492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:09:25,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:09:25,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:09:25,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987174298] [2024-11-19 04:09:25,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:09:25,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:09:25,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:09:25,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:09:25,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:09:25,138 INFO L87 Difference]: Start difference. First operand 16447 states and 23080 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-11-19 04:09:29,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 04:09:30,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:09:30,221 INFO L93 Difference]: Finished difference Result 47941 states and 67276 transitions. [2024-11-19 04:09:30,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:09:30,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 461 [2024-11-19 04:09:30,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:09:30,439 INFO L225 Difference]: With dead ends: 47941 [2024-11-19 04:09:30,440 INFO L226 Difference]: Without dead ends: 31567 [2024-11-19 04:09:30,516 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:09:30,519 INFO L432 NwaCegarLoop]: 3514 mSDtfsCounter, 3247 mSDsluCounter, 3396 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3247 SdHoareTripleChecker+Valid, 6910 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 04:09:30,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3247 Valid, 6910 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 36 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 04:09:30,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31567 states. [2024-11-19 04:09:32,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31567 to 31549. [2024-11-19 04:09:32,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31549 states, 21657 states have (on average 1.3076141663203582) internal successors, (28319), 22368 states have internal predecessors, (28319), 7961 states have call successors, (7961), 1930 states have call predecessors, (7961), 1930 states have return successors, (7961), 7527 states have call predecessors, (7961), 7961 states have call successors, (7961) [2024-11-19 04:09:32,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31549 states to 31549 states and 44241 transitions. [2024-11-19 04:09:32,486 INFO L78 Accepts]: Start accepts. Automaton has 31549 states and 44241 transitions. Word has length 461 [2024-11-19 04:09:32,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:09:32,488 INFO L471 AbstractCegarLoop]: Abstraction has 31549 states and 44241 transitions. [2024-11-19 04:09:32,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-11-19 04:09:32,488 INFO L276 IsEmpty]: Start isEmpty. Operand 31549 states and 44241 transitions. [2024-11-19 04:09:32,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2024-11-19 04:09:32,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:09:32,497 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 35, 35, 35, 35, 35, 35, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:09:32,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 04:09:32,498 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:09:32,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:09:32,499 INFO L85 PathProgramCache]: Analyzing trace with hash -607588580, now seen corresponding path program 1 times [2024-11-19 04:09:32,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:09:32,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615714026] [2024-11-19 04:09:32,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:09:32,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:09:33,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:09:33,454 INFO L134 CoverageAnalysis]: Checked inductivity of 5469 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5469 trivial. 0 not checked. [2024-11-19 04:09:33,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:09:33,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615714026] [2024-11-19 04:09:33,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615714026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:09:33,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:09:33,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:09:33,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986619648] [2024-11-19 04:09:33,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:09:33,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:09:33,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:09:33,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:09:33,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:09:33,459 INFO L87 Difference]: Start difference. First operand 31549 states and 44241 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2024-11-19 04:09:37,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 04:09:39,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:09:39,786 INFO L93 Difference]: Finished difference Result 90708 states and 127299 transitions. [2024-11-19 04:09:39,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:09:39,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 468 [2024-11-19 04:09:39,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:09:40,305 INFO L225 Difference]: With dead ends: 90708 [2024-11-19 04:09:40,305 INFO L226 Difference]: Without dead ends: 59232 [2024-11-19 04:09:40,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:09:40,388 INFO L432 NwaCegarLoop]: 4059 mSDtfsCounter, 3247 mSDsluCounter, 3395 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3247 SdHoareTripleChecker+Valid, 7454 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-19 04:09:40,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3247 Valid, 7454 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 36 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-19 04:09:40,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59232 states. [2024-11-19 04:09:42,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59232 to 59222. [2024-11-19 04:09:42,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59222 states, 40841 states have (on average 1.3083665923948973) internal successors, (53435), 42133 states have internal predecessors, (53435), 14818 states have call successors, (14818), 3562 states have call predecessors, (14818), 3562 states have return successors, (14818), 14057 states have call predecessors, (14818), 14818 states have call successors, (14818) [2024-11-19 04:09:43,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59222 states to 59222 states and 83071 transitions. [2024-11-19 04:09:43,250 INFO L78 Accepts]: Start accepts. Automaton has 59222 states and 83071 transitions. Word has length 468 [2024-11-19 04:09:43,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:09:43,251 INFO L471 AbstractCegarLoop]: Abstraction has 59222 states and 83071 transitions. [2024-11-19 04:09:43,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2024-11-19 04:09:43,252 INFO L276 IsEmpty]: Start isEmpty. Operand 59222 states and 83071 transitions. [2024-11-19 04:09:43,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2024-11-19 04:09:43,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:09:43,258 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 34, 34, 34, 34, 34, 34, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:09:43,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 04:09:43,259 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:09:43,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:09:43,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1711118197, now seen corresponding path program 1 times [2024-11-19 04:09:43,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:09:43,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582197217] [2024-11-19 04:09:43,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:09:43,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:09:43,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:09:43,640 INFO L134 CoverageAnalysis]: Checked inductivity of 5496 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5479 trivial. 0 not checked. [2024-11-19 04:09:43,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:09:43,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582197217] [2024-11-19 04:09:43,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582197217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:09:43,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:09:43,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:09:43,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160913539] [2024-11-19 04:09:43,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:09:43,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:09:43,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:09:43,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:09:43,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:09:43,643 INFO L87 Difference]: Start difference. First operand 59222 states and 83071 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2024-11-19 04:09:44,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 04:09:49,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:09:49,465 INFO L93 Difference]: Finished difference Result 176154 states and 247334 transitions. [2024-11-19 04:09:49,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:09:49,466 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 475 [2024-11-19 04:09:49,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:09:50,251 INFO L225 Difference]: With dead ends: 176154 [2024-11-19 04:09:50,252 INFO L226 Difference]: Without dead ends: 116723 [2024-11-19 04:09:50,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:09:50,490 INFO L432 NwaCegarLoop]: 6509 mSDtfsCounter, 3253 mSDsluCounter, 3407 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3253 SdHoareTripleChecker+Valid, 9916 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-19 04:09:50,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3253 Valid, 9916 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-19 04:09:50,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116723 states. [2024-11-19 04:09:55,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116723 to 116721. [2024-11-19 04:09:56,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116721 states, 80446 states have (on average 1.3093379409790418) internal successors, (105331), 82926 states have internal predecessors, (105331), 29280 states have call successors, (29280), 6994 states have call predecessors, (29280), 6994 states have return successors, (29280), 27862 states have call predecessors, (29280), 29280 states have call successors, (29280) [2024-11-19 04:09:56,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116721 states to 116721 states and 163891 transitions. [2024-11-19 04:09:57,065 INFO L78 Accepts]: Start accepts. Automaton has 116721 states and 163891 transitions. Word has length 475 [2024-11-19 04:09:57,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:09:57,066 INFO L471 AbstractCegarLoop]: Abstraction has 116721 states and 163891 transitions. [2024-11-19 04:09:57,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2024-11-19 04:09:57,067 INFO L276 IsEmpty]: Start isEmpty. Operand 116721 states and 163891 transitions. [2024-11-19 04:09:57,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2024-11-19 04:09:57,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:09:57,072 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 34, 34, 34, 34, 34, 34, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:09:57,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 04:09:57,073 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:09:57,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:09:57,073 INFO L85 PathProgramCache]: Analyzing trace with hash 835099191, now seen corresponding path program 1 times [2024-11-19 04:09:57,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:09:57,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41917585] [2024-11-19 04:09:57,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:09:57,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:09:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:09:57,554 INFO L134 CoverageAnalysis]: Checked inductivity of 5496 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5479 trivial. 0 not checked. [2024-11-19 04:09:57,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:09:57,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41917585] [2024-11-19 04:09:57,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41917585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:09:57,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:09:57,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:09:57,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145592817] [2024-11-19 04:09:57,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:09:57,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:09:57,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:09:57,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:09:57,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:09:57,557 INFO L87 Difference]: Start difference. First operand 116721 states and 163891 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44)