./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219af46-0998-4061-a5be-56220c7fca24/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219af46-0998-4061-a5be-56220c7fca24/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219af46-0998-4061-a5be-56220c7fca24/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219af46-0998-4061-a5be-56220c7fca24/bin/uautomizer-verify-84ZbGMXZE1/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219af46-0998-4061-a5be-56220c7fca24/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219af46-0998-4061-a5be-56220c7fca24/bin/uautomizer-verify-84ZbGMXZE1 --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 0.3.0-dev-d790fec [2024-12-02 05:50:54,839 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 05:50:54,891 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219af46-0998-4061-a5be-56220c7fca24/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 05:50:54,895 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 05:50:54,895 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 05:50:54,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 05:50:54,915 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 05:50:54,915 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 05:50:54,916 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 05:50:54,916 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 05:50:54,916 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 05:50:54,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 05:50:54,916 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 05:50:54,916 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 05:50:54,917 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 05:50:54,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 05:50:54,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 05:50:54,917 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 05:50:54,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 05:50:54,917 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 05:50:54,917 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 05:50:54,917 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 05:50:54,917 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 05:50:54,917 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 05:50:54,917 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 05:50:54,917 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 05:50:54,917 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:50:54,917 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:50:54,918 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:50:54,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:54,918 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 05:50:54,918 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:50:54,918 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:50:54,918 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:50:54,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:54,918 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 05:50:54,918 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 05:50:54,918 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 05:50:54,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 05:50:54,918 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 05:50:54,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 05:50:54,918 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 05:50:54,919 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 05:50:54,919 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 05:50:54,919 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 05:50:54,919 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219af46-0998-4061-a5be-56220c7fca24/bin/uautomizer-verify-84ZbGMXZE1 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 [2024-12-02 05:50:55,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 05:50:55,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 05:50:55,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 05:50:55,139 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 05:50:55,139 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 05:50:55,140 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219af46-0998-4061-a5be-56220c7fca24/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2024-12-02 05:50:57,736 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219af46-0998-4061-a5be-56220c7fca24/bin/uautomizer-verify-84ZbGMXZE1/data/8ee9462b6/2ec22fb189f742ba80017c3759aa087f/FLAGbdaac589a [2024-12-02 05:50:58,205 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 05:50:58,205 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219af46-0998-4061-a5be-56220c7fca24/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2024-12-02 05:50:58,242 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219af46-0998-4061-a5be-56220c7fca24/bin/uautomizer-verify-84ZbGMXZE1/data/8ee9462b6/2ec22fb189f742ba80017c3759aa087f/FLAGbdaac589a [2024-12-02 05:50:58,295 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219af46-0998-4061-a5be-56220c7fca24/bin/uautomizer-verify-84ZbGMXZE1/data/8ee9462b6/2ec22fb189f742ba80017c3759aa087f [2024-12-02 05:50:58,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 05:50:58,299 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 05:50:58,300 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 05:50:58,300 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 05:50:58,303 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 05:50:58,303 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:50:58" (1/1) ... [2024-12-02 05:50:58,304 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34d9ab3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:58, skipping insertion in model container [2024-12-02 05:50:58,304 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:50:58" (1/1) ... [2024-12-02 05:50:58,413 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 05:51:01,165 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219af46-0998-4061-a5be-56220c7fca24/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] [2024-12-02 05:51:01,167 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219af46-0998-4061-a5be-56220c7fca24/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] [2024-12-02 05:51:01,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:51:01,218 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 05:51:01,346 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [7220] [2024-12-02 05:51:01,348 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] [2024-12-02 05:51:01,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7234] [2024-12-02 05:51:01,352 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] [2024-12-02 05:51:01,352 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] [2024-12-02 05:51:01,354 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] [2024-12-02 05:51:01,355 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] [2024-12-02 05:51:01,355 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] [2024-12-02 05:51:01,355 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] [2024-12-02 05:51:01,356 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] [2024-12-02 05:51:01,356 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] [2024-12-02 05:51:01,356 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [7468] [2024-12-02 05:51:01,356 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7471] [2024-12-02 05:51:01,357 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7474] [2024-12-02 05:51:01,357 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7477] [2024-12-02 05:51:01,357 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7514] [2024-12-02 05:51:01,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7517] [2024-12-02 05:51:01,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [7519] [2024-12-02 05:51:01,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [7524] [2024-12-02 05:51:01,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [7527] [2024-12-02 05:51:01,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [7529] [2024-12-02 05:51:01,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [7534] [2024-12-02 05:51:01,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [7537] [2024-12-02 05:51:01,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [7539] [2024-12-02 05:51:01,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [7544] [2024-12-02 05:51:01,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [7547] [2024-12-02 05:51:01,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [7549] [2024-12-02 05:51:01,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7587] [2024-12-02 05:51:01,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7590] [2024-12-02 05:51:01,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [7592] [2024-12-02 05:51:01,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [7597] [2024-12-02 05:51:01,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [7600] [2024-12-02 05:51:01,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [7602] [2024-12-02 05:51:01,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [7607] [2024-12-02 05:51:01,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [7610] [2024-12-02 05:51:01,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [7612] [2024-12-02 05:51:01,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [7617] [2024-12-02 05:51:01,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [7620] [2024-12-02 05:51:01,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [7622] [2024-12-02 05:51:01,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7638] [2024-12-02 05:51:01,364 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7764] [2024-12-02 05:51:01,365 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7773] [2024-12-02 05:51:01,374 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7998] [2024-12-02 05:51:01,382 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] [2024-12-02 05:51:01,590 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] [2024-12-02 05:51:01,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12793] [2024-12-02 05:51:01,650 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13947] [2024-12-02 05:51:01,650 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13949] [2024-12-02 05:51:01,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13986] [2024-12-02 05:51:01,697 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219af46-0998-4061-a5be-56220c7fca24/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] [2024-12-02 05:51:01,698 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219af46-0998-4061-a5be-56220c7fca24/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] [2024-12-02 05:51:01,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:51:01,857 INFO L204 MainTranslator]: Completed translation [2024-12-02 05:51:01,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:01 WrapperNode [2024-12-02 05:51:01,858 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 05:51:01,859 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 05:51:01,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 05:51:01,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 05:51:01,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:01" (1/1) ... [2024-12-02 05:51:01,925 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:01" (1/1) ... [2024-12-02 05:51:02,061 INFO L138 Inliner]: procedures = 518, calls = 2191, calls flagged for inlining = 215, calls inlined = 174, statements flattened = 5891 [2024-12-02 05:51:02,062 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 05:51:02,062 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 05:51:02,062 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 05:51:02,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 05:51:02,070 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:01" (1/1) ... [2024-12-02 05:51:02,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:01" (1/1) ... [2024-12-02 05:51:02,085 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:01" (1/1) ... [2024-12-02 05:51:03,657 INFO L175 MemorySlicer]: Split 613 memory accesses to 14 slices as follows [9, 1, 4, 6, 2, 0, 4, 4, 2, 4, 28, 3, 543, 3]. 89 percent of accesses are in the largest equivalence class. The 48 initializations are split as follows [9, 1, 0, 0, 2, 0, 4, 4, 0, 0, 0, 3, 22, 3]. The 130 writes are split as follows [0, 0, 4, 0, 0, 0, 0, 0, 1, 2, 28, 0, 95, 0]. [2024-12-02 05:51:03,657 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:01" (1/1) ... [2024-12-02 05:51:03,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:01" (1/1) ... [2024-12-02 05:51:03,752 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:01" (1/1) ... [2024-12-02 05:51:03,759 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:01" (1/1) ... [2024-12-02 05:51:03,778 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:01" (1/1) ... [2024-12-02 05:51:03,816 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:01" (1/1) ... [2024-12-02 05:51:03,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:01" (1/1) ... [2024-12-02 05:51:03,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 05:51:03,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 05:51:03,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 05:51:03,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 05:51:03,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:01" (1/1) ... [2024-12-02 05:51:03,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:51:03,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219af46-0998-4061-a5be-56220c7fca24/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:51:03,895 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219af46-0998-4061-a5be-56220c7fca24/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 05:51:03,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219af46-0998-4061-a5be-56220c7fca24/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 05:51:03,920 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_ds_info [2024-12-02 05:51:03,920 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_ds_info [2024-12-02 05:51:03,920 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_prepare [2024-12-02 05:51:03,920 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_prepare [2024-12-02 05:51:03,920 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_prepare_ds [2024-12-02 05:51:03,920 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_prepare_ds [2024-12-02 05:51:03,920 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_write [2024-12-02 05:51:03,920 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_write [2024-12-02 05:51:03,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 05:51:03,920 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 05:51:03,920 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2024-12-02 05:51:03,920 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2024-12-02 05:51:03,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 05:51:03,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 05:51:03,921 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2024-12-02 05:51:03,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2024-12-02 05:51:03,921 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_commit [2024-12-02 05:51:03,921 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_commit [2024-12-02 05:51:03,921 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_init_decode_pages [2024-12-02 05:51:03,924 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_init_decode_pages [2024-12-02 05:51:03,924 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-12-02 05:51:03,924 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-12-02 05:51:03,924 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_lseg [2024-12-02 05:51:03,924 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_lseg [2024-12-02 05:51:03,924 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2024-12-02 05:51:03,925 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2024-12-02 05:51:03,925 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_select_ds_fh [2024-12-02 05:51:03,925 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_select_ds_fh [2024-12-02 05:51:03,925 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2024-12-02 05:51:03,925 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2024-12-02 05:51:03,925 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_LSEG [2024-12-02 05:51:03,925 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_LSEG [2024-12-02 05:51:03,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 05:51:03,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 05:51:03,925 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_read [2024-12-02 05:51:03,925 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_read [2024-12-02 05:51:03,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 05:51:03,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 05:51:03,925 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_j_index [2024-12-02 05:51:03,925 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_j_index [2024-12-02 05:51:03,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 05:51:03,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_104 [2024-12-02 05:51:03,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_104 [2024-12-02 05:51:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_count_stats [2024-12-02 05:51:03,926 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_count_stats [2024-12-02 05:51:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_104___0 [2024-12-02 05:51:03,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_104___0 [2024-12-02 05:51:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-12-02 05:51:03,926 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-12-02 05:51:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_get_lseg [2024-12-02 05:51:03,926 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_get_lseg [2024-12-02 05:51:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-12-02 05:51:03,926 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-12-02 05:51:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 05:51:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 05:51:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 05:51:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 05:51:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 05:51:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 05:51:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 05:51:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 05:51:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 05:51:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 05:51:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 05:51:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 05:51:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 05:51:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 05:51:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_read_mds [2024-12-02 05:51:03,927 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_read_mds [2024-12-02 05:51:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_recover_commit_reqs [2024-12-02 05:51:03,927 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_recover_commit_reqs [2024-12-02 05:51:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 05:51:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 05:51:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 05:51:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 05:51:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 05:51:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 05:51:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 05:51:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 05:51:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 05:51:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 05:51:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 05:51:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 05:51:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 05:51:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 05:51:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 05:51:03,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 05:51:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_test [2024-12-02 05:51:03,928 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_test [2024-12-02 05:51:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_write [2024-12-02 05:51:03,928 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_write [2024-12-02 05:51:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_commit_list [2024-12-02 05:51:03,928 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_commit_list [2024-12-02 05:51:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 05:51:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 05:51:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 05:51:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 05:51:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 05:51:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 05:51:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 05:51:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 05:51:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 05:51:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 05:51:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 05:51:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 05:51:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 05:51:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 05:51:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_release [2024-12-02 05:51:03,928 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_release [2024-12-02 05:51:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2024-12-02 05:51:03,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2024-12-02 05:51:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_layout_hdr [2024-12-02 05:51:03,929 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_layout_hdr [2024-12-02 05:51:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 05:51:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 05:51:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 05:51:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 05:51:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 05:51:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 05:51:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 05:51:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 05:51:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 05:51:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 05:51:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 05:51:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 05:51:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 05:51:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 05:51:03,929 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 05:51:03,929 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 05:51:03,929 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 05:51:03,929 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 05:51:03,929 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 05:51:03,929 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 05:51:03,929 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 05:51:03,929 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 05:51:03,929 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 05:51:03,930 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 05:51:03,930 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 05:51:03,930 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 05:51:03,930 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 05:51:03,930 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 05:51:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_find_or_create_ds_client [2024-12-02 05:51:03,930 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_find_or_create_ds_client [2024-12-02 05:51:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-12-02 05:51:03,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-12-02 05:51:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-12-02 05:51:03,930 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-12-02 05:51:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2024-12-02 05:51:03,930 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2024-12-02 05:51:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_deveiceid_node [2024-12-02 05:51:03,930 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_deveiceid_node [2024-12-02 05:51:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 05:51:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 05:51:03,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 05:51:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-12-02 05:51:03,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-12-02 05:51:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_request_remove_commit_list [2024-12-02 05:51:03,930 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_request_remove_commit_list [2024-12-02 05:51:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2024-12-02 05:51:03,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2024-12-02 05:51:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_commit_done [2024-12-02 05:51:03,930 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_commit_done [2024-12-02 05:51:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-12-02 05:51:03,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-12-02 05:51:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 05:51:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_FROM_HDR [2024-12-02 05:51:03,931 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_FROM_HDR [2024-12-02 05:51:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2024-12-02 05:51:03,931 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2024-12-02 05:51:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 05:51:03,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 05:51:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 05:51:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 05:51:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 05:51:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 05:51:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 05:51:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 05:51:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 05:51:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 05:51:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 05:51:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 05:51:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 05:51:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 05:51:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 05:51:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 05:51:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_layout_hdr [2024-12-02 05:51:03,931 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_layout_hdr [2024-12-02 05:51:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure req_offset [2024-12-02 05:51:03,931 INFO L138 BoogieDeclarations]: Found implementation of procedure req_offset [2024-12-02 05:51:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 05:51:03,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 05:51:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_mark_request_commit [2024-12-02 05:51:03,932 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_mark_request_commit [2024-12-02 05:51:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2024-12-02 05:51:03,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2024-12-02 05:51:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2024-12-02 05:51:03,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2024-12-02 05:51:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-12-02 05:51:03,932 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-12-02 05:51:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 05:51:03,932 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 05:51:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure _filelayout_free_lseg [2024-12-02 05:51:03,932 INFO L138 BoogieDeclarations]: Found implementation of procedure _filelayout_free_lseg [2024-12-02 05:51:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_lseg [2024-12-02 05:51:03,932 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_lseg [2024-12-02 05:51:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-12-02 05:51:03,932 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-12-02 05:51:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_set_rw_stateid [2024-12-02 05:51:03,932 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_set_rw_stateid [2024-12-02 05:51:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 05:51:03,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 05:51:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-12-02 05:51:03,932 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-12-02 05:51:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 05:51:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 05:51:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 05:51:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 05:51:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 05:51:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 05:51:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 05:51:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 05:51:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 05:51:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 05:51:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 05:51:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 05:51:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 05:51:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 05:51:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 05:51:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 05:51:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 05:51:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 05:51:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 05:51:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 05:51:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 05:51:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 05:51:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 05:51:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 05:51:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 05:51:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 05:51:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 05:51:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 05:51:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 05:51:03,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 05:51:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_count_stats [2024-12-02 05:51:03,933 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_count_stats [2024-12-02 05:51:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_DEVID_NODE [2024-12-02 05:51:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_DEVID_NODE [2024-12-02 05:51:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_resend_writes [2024-12-02 05:51:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_resend_writes [2024-12-02 05:51:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_sequence_done [2024-12-02 05:51:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_sequence_done [2024-12-02 05:51:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_free_deviceid [2024-12-02 05:51:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_free_deviceid [2024-12-02 05:51:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_retry_commit [2024-12-02 05:51:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_retry_commit [2024-12-02 05:51:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_scan_commit_lists [2024-12-02 05:51:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_scan_commit_lists [2024-12-02 05:51:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_fenceme [2024-12-02 05:51:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_fenceme [2024-12-02 05:51:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_pagelist [2024-12-02 05:51:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_pagelist [2024-12-02 05:51:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_put_lseg [2024-12-02 05:51:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_put_lseg [2024-12-02 05:51:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2024-12-02 05:51:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2024-12-02 05:51:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2024-12-02 05:51:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2024-12-02 05:51:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_count_stats [2024-12-02 05:51:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_count_stats [2024-12-02 05:51:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_read [2024-12-02 05:51:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_read [2024-12-02 05:51:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_exit [2024-12-02 05:51:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_exit [2024-12-02 05:51:03,935 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-12-02 05:51:03,935 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-12-02 05:51:03,935 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2024-12-02 05:51:03,935 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2024-12-02 05:51:03,935 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_count_iostats [2024-12-02 05:51:03,935 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_count_iostats [2024-12-02 05:51:03,935 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_clear_request_commit [2024-12-02 05:51:03,935 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_clear_request_commit [2024-12-02 05:51:03,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 05:51:03,935 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-12-02 05:51:03,935 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-12-02 05:51:03,935 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FILEID [2024-12-02 05:51:03,935 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FILEID [2024-12-02 05:51:03,935 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_ds_index [2024-12-02 05:51:03,935 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_ds_index [2024-12-02 05:51:03,935 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_dserver_offset [2024-12-02 05:51:03,935 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_dserver_offset [2024-12-02 05:51:03,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 05:51:03,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 05:51:03,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 05:51:03,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 05:51:03,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 05:51:03,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 05:51:03,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 05:51:03,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 05:51:03,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 05:51:03,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 05:51:03,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 05:51:03,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 05:51:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 05:51:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 05:51:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_put_deviceid [2024-12-02 05:51:03,936 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_put_deviceid [2024-12-02 05:51:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2024-12-02 05:51:03,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2024-12-02 05:51:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 05:51:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 05:51:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 05:51:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 05:51:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 05:51:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 05:51:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 05:51:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 05:51:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 05:51:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 05:51:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 05:51:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 05:51:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 05:51:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 05:51:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_prepare [2024-12-02 05:51:03,936 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_prepare [2024-12-02 05:51:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 05:51:03,936 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 05:51:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2024-12-02 05:51:03,936 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2024-12-02 05:51:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-12-02 05:51:03,936 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-12-02 05:51:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-12-02 05:51:03,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-12-02 05:51:03,937 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_put_client [2024-12-02 05:51:03,937 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_put_client [2024-12-02 05:51:03,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 05:51:03,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 05:51:03,937 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_call_done [2024-12-02 05:51:03,937 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_call_done [2024-12-02 05:51:03,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-12-02 05:51:03,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-12-02 05:51:03,937 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_release [2024-12-02 05:51:03,937 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_release [2024-12-02 05:51:03,937 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_setup_sequence [2024-12-02 05:51:03,937 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_setup_sequence [2024-12-02 05:51:03,937 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-12-02 05:51:03,937 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-12-02 05:51:03,937 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_commitdata_alloc [2024-12-02 05:51:03,937 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_commitdata_alloc [2024-12-02 05:51:03,937 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_set_scratch_buffer [2024-12-02 05:51:03,937 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_set_scratch_buffer [2024-12-02 05:51:03,937 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_pagelist [2024-12-02 05:51:03,937 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_pagelist [2024-12-02 05:51:03,937 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-12-02 05:51:03,937 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-12-02 05:51:03,937 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 05:51:03,937 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 05:51:03,937 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_call_done [2024-12-02 05:51:03,937 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_call_done [2024-12-02 05:51:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 05:51:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 05:51:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 05:51:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 05:51:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 05:51:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 05:51:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 05:51:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 05:51:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 05:51:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 05:51:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 05:51:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 05:51:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 05:51:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 05:51:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_fh_array [2024-12-02 05:51:03,938 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_fh_array [2024-12-02 05:51:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_pagelist [2024-12-02 05:51:03,938 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_pagelist [2024-12-02 05:51:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 05:51:03,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 05:51:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_commit [2024-12-02 05:51:03,938 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_commit [2024-12-02 05:51:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-12-02 05:51:03,938 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-12-02 05:51:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_103 [2024-12-02 05:51:03,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_103 [2024-12-02 05:51:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2024-12-02 05:51:03,939 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2024-12-02 05:51:03,939 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_print_deviceid [2024-12-02 05:51:03,939 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_print_deviceid [2024-12-02 05:51:03,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 05:51:03,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 05:51:03,939 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_update_layout [2024-12-02 05:51:03,939 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_update_layout [2024-12-02 05:51:03,939 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-12-02 05:51:03,939 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-12-02 05:51:03,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2024-12-02 05:51:03,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2024-12-02 05:51:03,939 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_release [2024-12-02 05:51:03,939 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_release [2024-12-02 05:51:03,939 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_mark_deviceid_unavailable [2024-12-02 05:51:03,939 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_mark_deviceid_unavailable [2024-12-02 05:51:03,939 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_test_devid_unavailable [2024-12-02 05:51:03,939 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_test_devid_unavailable [2024-12-02 05:51:03,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 05:51:03,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 05:51:03,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 05:51:03,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 05:51:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 05:51:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 05:51:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 05:51:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 05:51:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 05:51:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 05:51:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 05:51:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 05:51:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 05:51:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 05:51:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2024-12-02 05:51:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2024-12-02 05:51:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_prepare [2024-12-02 05:51:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_prepare [2024-12-02 05:51:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 05:51:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 05:51:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_to_mds [2024-12-02 05:51:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_to_mds [2024-12-02 05:51:04,855 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 05:51:04,858 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 05:51:05,374 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 05:51:11,641 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 05:51:12,886 INFO L? ?]: Removed 2790 outVars from TransFormulas that were not future-live. [2024-12-02 05:51:12,886 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 05:51:12,926 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 05:51:12,927 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 05:51:12,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:51:12 BoogieIcfgContainer [2024-12-02 05:51:12,927 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 05:51:12,929 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 05:51:12,929 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 05:51:12,933 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 05:51:12,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:50:58" (1/3) ... [2024-12-02 05:51:12,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6374394a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:51:12, skipping insertion in model container [2024-12-02 05:51:12,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:01" (2/3) ... [2024-12-02 05:51:12,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6374394a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:51:12, skipping insertion in model container [2024-12-02 05:51:12,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:51:12" (3/3) ... [2024-12-02 05:51:12,935 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2024-12-02 05:51:12,948 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 05:51:12,951 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i that has 140 procedures, 2519 locations, 1 initial locations, 29 loop locations, and 1 error locations. [2024-12-02 05:51:13,047 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 05:51:13,058 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;@6016fb19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 05:51:13,058 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 05:51:13,068 INFO L276 IsEmpty]: Start isEmpty. Operand has 2452 states, 1667 states have (on average 1.3173365326934614) internal successors, (2196), 1715 states have internal predecessors, (2196), 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) [2024-12-02 05:51:13,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-12-02 05:51:13,091 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:13,092 INFO L218 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] [2024-12-02 05:51:13,092 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:13,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:13,097 INFO L85 PathProgramCache]: Analyzing trace with hash -345754236, now seen corresponding path program 1 times [2024-12-02 05:51:13,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:51:13,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744616825] [2024-12-02 05:51:13,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:13,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:51:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:14,333 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-12-02 05:51:14,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:51:14,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744616825] [2024-12-02 05:51:14,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744616825] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:14,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:51:14,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 05:51:14,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95739679] [2024-12-02 05:51:14,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:14,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:51:14,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:51:14,359 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:51:14,359 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:51:14,365 INFO L87 Difference]: Start difference. First operand has 2452 states, 1667 states have (on average 1.3173365326934614) internal successors, (2196), 1715 states have internal predecessors, (2196), 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) [2024-12-02 05:51:18,410 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 [] [2024-12-02 05:51:18,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:18,837 INFO L93 Difference]: Finished difference Result 7100 states and 10254 transitions. [2024-12-02 05:51:18,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:51:18,839 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 [2024-12-02 05:51:18,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:18,885 INFO L225 Difference]: With dead ends: 7100 [2024-12-02 05:51:18,885 INFO L226 Difference]: Without dead ends: 4644 [2024-12-02 05:51:18,904 INFO L434 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 [2024-12-02 05:51:18,906 INFO L435 NwaCegarLoop]: 3511 mSDtfsCounter, 3246 mSDsluCounter, 3422 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3246 SdHoareTripleChecker+Valid, 6933 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 [2024-12-02 05:51:18,907 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3246 Valid, 6933 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 72 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 05:51:18,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4644 states. [2024-12-02 05:51:19,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4644 to 4640. [2024-12-02 05:51:19,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4640 states, 3189 states have (on average 1.3164001254311697) internal successors, (4198), 3285 states have internal predecessors, (4198), 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) [2024-12-02 05:51:19,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4640 states to 4640 states and 6606 transitions. [2024-12-02 05:51:19,280 INFO L78 Accepts]: Start accepts. Automaton has 4640 states and 6606 transitions. Word has length 408 [2024-12-02 05:51:19,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:19,281 INFO L471 AbstractCegarLoop]: Abstraction has 4640 states and 6606 transitions. [2024-12-02 05:51:19,282 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) [2024-12-02 05:51:19,282 INFO L276 IsEmpty]: Start isEmpty. Operand 4640 states and 6606 transitions. [2024-12-02 05:51:19,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2024-12-02 05:51:19,292 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:19,293 INFO L218 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] [2024-12-02 05:51:19,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 05:51:19,293 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:19,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:19,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1912454301, now seen corresponding path program 1 times [2024-12-02 05:51:19,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:51:19,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587978309] [2024-12-02 05:51:19,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:19,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:51:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:20,051 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-12-02 05:51:20,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:51:20,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587978309] [2024-12-02 05:51:20,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587978309] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:20,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:51:20,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 05:51:20,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750878110] [2024-12-02 05:51:20,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:20,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:51:20,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:51:20,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:51:20,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:51:20,055 INFO L87 Difference]: Start difference. First operand 4640 states and 6606 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) [2024-12-02 05:51:23,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:51:24,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:24,028 INFO L93 Difference]: Finished difference Result 12415 states and 17606 transitions. [2024-12-02 05:51:24,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:51:24,029 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 [2024-12-02 05:51:24,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:24,083 INFO L225 Difference]: With dead ends: 12415 [2024-12-02 05:51:24,083 INFO L226 Difference]: Without dead ends: 7848 [2024-12-02 05:51:24,104 INFO L434 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 [2024-12-02 05:51:24,104 INFO L435 NwaCegarLoop]: 5387 mSDtfsCounter, 3176 mSDsluCounter, 3353 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3176 SdHoareTripleChecker+Valid, 8740 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:24,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3176 Valid, 8740 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-12-02 05:51:24,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7848 states. [2024-12-02 05:51:24,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7848 to 7842. [2024-12-02 05:51:24,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7842 states, 5362 states have (on average 1.3121969414397612) internal successors, (7036), 5539 states have internal predecessors, (7036), 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) [2024-12-02 05:51:24,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7842 states to 7842 states and 11092 transitions. [2024-12-02 05:51:24,508 INFO L78 Accepts]: Start accepts. Automaton has 7842 states and 11092 transitions. Word has length 409 [2024-12-02 05:51:24,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:24,509 INFO L471 AbstractCegarLoop]: Abstraction has 7842 states and 11092 transitions. [2024-12-02 05:51:24,510 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) [2024-12-02 05:51:24,510 INFO L276 IsEmpty]: Start isEmpty. Operand 7842 states and 11092 transitions. [2024-12-02 05:51:24,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2024-12-02 05:51:24,523 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:24,523 INFO L218 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] [2024-12-02 05:51:24,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 05:51:24,523 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:24,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:24,524 INFO L85 PathProgramCache]: Analyzing trace with hash -904063185, now seen corresponding path program 1 times [2024-12-02 05:51:24,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:51:24,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56983047] [2024-12-02 05:51:24,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:24,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:51:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:25,281 INFO L134 CoverageAnalysis]: Checked inductivity of 5259 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5256 trivial. 0 not checked. [2024-12-02 05:51:25,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:51:25,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56983047] [2024-12-02 05:51:25,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56983047] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:25,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:51:25,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 05:51:25,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335674312] [2024-12-02 05:51:25,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:25,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:51:25,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:51:25,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:51:25,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:51:25,283 INFO L87 Difference]: Start difference. First operand 7842 states and 11092 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) [2024-12-02 05:51:27,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:51:28,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:28,171 INFO L93 Difference]: Finished difference Result 16572 states and 23356 transitions. [2024-12-02 05:51:28,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:51:28,172 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 [2024-12-02 05:51:28,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:28,231 INFO L225 Difference]: With dead ends: 16572 [2024-12-02 05:51:28,231 INFO L226 Difference]: Without dead ends: 8803 [2024-12-02 05:51:28,262 INFO L434 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 [2024-12-02 05:51:28,263 INFO L435 NwaCegarLoop]: 3437 mSDtfsCounter, 1262 mSDsluCounter, 3380 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1262 SdHoareTripleChecker+Valid, 6817 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:28,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1262 Valid, 6817 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-12-02 05:51:28,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8803 states. [2024-12-02 05:51:28,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8803 to 8801. [2024-12-02 05:51:28,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8801 states, 5992 states have (on average 1.3067423230974633) internal successors, (7830), 6199 states have internal predecessors, (7830), 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) [2024-12-02 05:51:28,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8801 states to 8801 states and 12364 transitions. [2024-12-02 05:51:28,754 INFO L78 Accepts]: Start accepts. Automaton has 8801 states and 12364 transitions. Word has length 431 [2024-12-02 05:51:28,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:28,755 INFO L471 AbstractCegarLoop]: Abstraction has 8801 states and 12364 transitions. [2024-12-02 05:51:28,755 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) [2024-12-02 05:51:28,755 INFO L276 IsEmpty]: Start isEmpty. Operand 8801 states and 12364 transitions. [2024-12-02 05:51:28,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2024-12-02 05:51:28,767 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:28,767 INFO L218 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] [2024-12-02 05:51:28,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 05:51:28,768 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:28,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:28,768 INFO L85 PathProgramCache]: Analyzing trace with hash -78051777, now seen corresponding path program 1 times [2024-12-02 05:51:28,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:51:28,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091833753] [2024-12-02 05:51:28,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:28,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:51:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:29,464 INFO L134 CoverageAnalysis]: Checked inductivity of 5463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2024-12-02 05:51:29,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:51:29,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091833753] [2024-12-02 05:51:29,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091833753] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:29,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:51:29,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 05:51:29,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570575578] [2024-12-02 05:51:29,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:29,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:51:29,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:51:29,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:51:29,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:51:29,466 INFO L87 Difference]: Start difference. First operand 8801 states and 12364 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) [2024-12-02 05:51:32,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:51:33,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:33,300 INFO L93 Difference]: Finished difference Result 25132 states and 35318 transitions. [2024-12-02 05:51:33,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:51:33,301 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 [2024-12-02 05:51:33,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:33,402 INFO L225 Difference]: With dead ends: 25132 [2024-12-02 05:51:33,402 INFO L226 Difference]: Without dead ends: 16404 [2024-12-02 05:51:33,438 INFO L434 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 [2024-12-02 05:51:33,439 INFO L435 NwaCegarLoop]: 3439 mSDtfsCounter, 3239 mSDsluCounter, 3389 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3239 SdHoareTripleChecker+Valid, 6828 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 [2024-12-02 05:51:33,439 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3239 Valid, 6828 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-12-02 05:51:33,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16404 states. [2024-12-02 05:51:34,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16404 to 16378. [2024-12-02 05:51:34,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16378 states, 11192 states have (on average 1.3088813438170122) internal successors, (14649), 11584 states have internal predecessors, (14649), 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) [2024-12-02 05:51:34,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16378 states to 16378 states and 23011 transitions. [2024-12-02 05:51:34,243 INFO L78 Accepts]: Start accepts. Automaton has 16378 states and 23011 transitions. Word has length 453 [2024-12-02 05:51:34,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:34,244 INFO L471 AbstractCegarLoop]: Abstraction has 16378 states and 23011 transitions. [2024-12-02 05:51:34,245 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) [2024-12-02 05:51:34,245 INFO L276 IsEmpty]: Start isEmpty. Operand 16378 states and 23011 transitions. [2024-12-02 05:51:34,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2024-12-02 05:51:34,298 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:34,299 INFO L218 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] [2024-12-02 05:51:34,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 05:51:34,299 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:34,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:34,300 INFO L85 PathProgramCache]: Analyzing trace with hash 715965965, now seen corresponding path program 1 times [2024-12-02 05:51:34,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:51:34,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642332723] [2024-12-02 05:51:34,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:34,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:51:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:34,910 INFO L134 CoverageAnalysis]: Checked inductivity of 5463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2024-12-02 05:51:34,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:51:34,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642332723] [2024-12-02 05:51:34,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642332723] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:34,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:51:34,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 05:51:34,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503427919] [2024-12-02 05:51:34,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:34,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:51:34,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:51:34,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:51:34,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:51:34,912 INFO L87 Difference]: Start difference. First operand 16378 states and 23011 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) [2024-12-02 05:51:37,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:51:38,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:38,431 INFO L93 Difference]: Finished difference Result 47741 states and 67076 transitions. [2024-12-02 05:51:38,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:51:38,431 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 [2024-12-02 05:51:38,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:38,584 INFO L225 Difference]: With dead ends: 47741 [2024-12-02 05:51:38,585 INFO L226 Difference]: Without dead ends: 31436 [2024-12-02 05:51:38,634 INFO L434 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 [2024-12-02 05:51:38,635 INFO L435 NwaCegarLoop]: 3506 mSDtfsCounter, 3239 mSDsluCounter, 3388 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3239 SdHoareTripleChecker+Valid, 6894 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:38,635 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3239 Valid, 6894 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-12-02 05:51:38,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31436 states. [2024-12-02 05:51:40,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31436 to 31418. [2024-12-02 05:51:40,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31418 states, 21526 states have (on average 1.3094862027315803) internal successors, (28188), 22288 states have internal predecessors, (28188), 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) [2024-12-02 05:51:40,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31418 states to 31418 states and 44110 transitions. [2024-12-02 05:51:40,314 INFO L78 Accepts]: Start accepts. Automaton has 31418 states and 44110 transitions. Word has length 461 [2024-12-02 05:51:40,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:40,315 INFO L471 AbstractCegarLoop]: Abstraction has 31418 states and 44110 transitions. [2024-12-02 05:51:40,315 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) [2024-12-02 05:51:40,315 INFO L276 IsEmpty]: Start isEmpty. Operand 31418 states and 44110 transitions. [2024-12-02 05:51:40,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2024-12-02 05:51:40,326 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:40,326 INFO L218 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] [2024-12-02 05:51:40,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 05:51:40,327 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:40,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:40,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1166134109, now seen corresponding path program 1 times [2024-12-02 05:51:40,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:51:40,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631031419] [2024-12-02 05:51:40,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:40,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:51:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:40,821 INFO L134 CoverageAnalysis]: Checked inductivity of 5469 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5469 trivial. 0 not checked. [2024-12-02 05:51:40,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:51:40,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631031419] [2024-12-02 05:51:40,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631031419] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:40,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:51:40,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 05:51:40,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984654670] [2024-12-02 05:51:40,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:40,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:51:40,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:51:40,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:51:40,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:51:40,823 INFO L87 Difference]: Start difference. First operand 31418 states and 44110 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) [2024-12-02 05:51:42,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:51:43,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:43,616 INFO L93 Difference]: Finished difference Result 90338 states and 126929 transitions. [2024-12-02 05:51:43,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:51:43,617 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 [2024-12-02 05:51:43,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:43,812 INFO L225 Difference]: With dead ends: 90338 [2024-12-02 05:51:43,812 INFO L226 Difference]: Without dead ends: 58993 [2024-12-02 05:51:43,885 INFO L434 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 [2024-12-02 05:51:43,885 INFO L435 NwaCegarLoop]: 4037 mSDtfsCounter, 3239 mSDsluCounter, 3387 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3239 SdHoareTripleChecker+Valid, 7424 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:43,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3239 Valid, 7424 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-12-02 05:51:43,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58993 states. [2024-12-02 05:51:45,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58993 to 58983. [2024-12-02 05:51:45,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58983 states, 40602 states have (on average 1.3101817644451013) internal successors, (53196), 41985 states have internal predecessors, (53196), 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) [2024-12-02 05:51:46,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58983 states to 58983 states and 82832 transitions. [2024-12-02 05:51:46,171 INFO L78 Accepts]: Start accepts. Automaton has 58983 states and 82832 transitions. Word has length 468 [2024-12-02 05:51:46,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:46,172 INFO L471 AbstractCegarLoop]: Abstraction has 58983 states and 82832 transitions. [2024-12-02 05:51:46,172 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) [2024-12-02 05:51:46,172 INFO L276 IsEmpty]: Start isEmpty. Operand 58983 states and 82832 transitions. [2024-12-02 05:51:46,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2024-12-02 05:51:46,178 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:46,178 INFO L218 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] [2024-12-02 05:51:46,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 05:51:46,179 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:46,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:46,179 INFO L85 PathProgramCache]: Analyzing trace with hash -838516296, now seen corresponding path program 1 times [2024-12-02 05:51:46,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:51:46,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037084819] [2024-12-02 05:51:46,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:46,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:51:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:46,657 INFO L134 CoverageAnalysis]: Checked inductivity of 5496 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5479 trivial. 0 not checked. [2024-12-02 05:51:46,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:51:46,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037084819] [2024-12-02 05:51:46,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037084819] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:46,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:51:46,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 05:51:46,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322827218] [2024-12-02 05:51:46,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:46,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:51:46,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:51:46,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:51:46,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:51:46,660 INFO L87 Difference]: Start difference. First operand 58983 states and 82832 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) [2024-12-02 05:51:50,681 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 [] [2024-12-02 05:51:52,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:52,969 INFO L93 Difference]: Finished difference Result 175409 states and 246588 transitions. [2024-12-02 05:51:52,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:51:52,970 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 [2024-12-02 05:51:52,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:53,346 INFO L225 Difference]: With dead ends: 175409 [2024-12-02 05:51:53,346 INFO L226 Difference]: Without dead ends: 116552 [2024-12-02 05:51:53,483 INFO L434 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 [2024-12-02 05:51:53,484 INFO L435 NwaCegarLoop]: 6670 mSDtfsCounter, 3250 mSDsluCounter, 3394 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3250 SdHoareTripleChecker+Valid, 10064 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:53,484 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3250 Valid, 10064 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 05:51:53,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116552 states. [2024-12-02 05:51:56,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116552 to 116550. [2024-12-02 05:51:57,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116550 states, 80272 states have (on average 1.3105316922463623) internal successors, (105199), 82934 states have internal predecessors, (105199), 29281 states have call successors, (29281), 6996 states have call predecessors, (29281), 6996 states have return successors, (29281), 27863 states have call predecessors, (29281), 29281 states have call successors, (29281) [2024-12-02 05:51:57,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116550 states to 116550 states and 163761 transitions. [2024-12-02 05:51:57,365 INFO L78 Accepts]: Start accepts. Automaton has 116550 states and 163761 transitions. Word has length 475 [2024-12-02 05:51:57,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:57,366 INFO L471 AbstractCegarLoop]: Abstraction has 116550 states and 163761 transitions. [2024-12-02 05:51:57,366 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) [2024-12-02 05:51:57,366 INFO L276 IsEmpty]: Start isEmpty. Operand 116550 states and 163761 transitions. [2024-12-02 05:51:57,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2024-12-02 05:51:57,369 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:57,370 INFO L218 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] [2024-12-02 05:51:57,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 05:51:57,370 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:57,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:57,370 INFO L85 PathProgramCache]: Analyzing trace with hash 37502710, now seen corresponding path program 1 times [2024-12-02 05:51:57,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:51:57,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486321970] [2024-12-02 05:51:57,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:57,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:51:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:57,744 INFO L134 CoverageAnalysis]: Checked inductivity of 5496 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5479 trivial. 0 not checked. [2024-12-02 05:51:57,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:51:57,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486321970] [2024-12-02 05:51:57,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486321970] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:57,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:51:57,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 05:51:57,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737966049] [2024-12-02 05:51:57,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:57,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:51:57,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:51:57,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:51:57,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:51:57,746 INFO L87 Difference]: Start difference. First operand 116550 states and 163761 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) [2024-12-02 05:51:59,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:52:03,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:52:03,286 INFO L93 Difference]: Finished difference Result 290571 states and 408475 transitions. [2024-12-02 05:52:03,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:52:03,287 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 [2024-12-02 05:52:03,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:52:03,971 INFO L225 Difference]: With dead ends: 290571 [2024-12-02 05:52:03,972 INFO L226 Difference]: Without dead ends: 173812 [2024-12-02 05:52:04,288 INFO L434 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 [2024-12-02 05:52:04,288 INFO L435 NwaCegarLoop]: 6530 mSDtfsCounter, 3245 mSDsluCounter, 3399 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3245 SdHoareTripleChecker+Valid, 9929 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-12-02 05:52:04,289 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3245 Valid, 9929 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-12-02 05:52:04,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173812 states. [2024-12-02 05:52:09,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173812 to 173810. [2024-12-02 05:52:09,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173810 states, 119638 states have (on average 1.3110884501579765) internal successors, (156856), 123579 states have internal predecessors, (156856), 43743 states have call successors, (43743), 10428 states have call predecessors, (43743), 10428 states have return successors, (43743), 41668 states have call predecessors, (43743), 43743 states have call successors, (43743) [2024-12-02 05:52:10,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173810 states to 173810 states and 244342 transitions. [2024-12-02 05:52:10,651 INFO L78 Accepts]: Start accepts. Automaton has 173810 states and 244342 transitions. Word has length 475 [2024-12-02 05:52:10,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:52:10,652 INFO L471 AbstractCegarLoop]: Abstraction has 173810 states and 244342 transitions. [2024-12-02 05:52:10,652 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) [2024-12-02 05:52:10,652 INFO L276 IsEmpty]: Start isEmpty. Operand 173810 states and 244342 transitions. [2024-12-02 05:52:10,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2024-12-02 05:52:10,658 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:52:10,658 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 34, 34, 34, 34, 34, 34, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 05:52:10,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 05:52:10,658 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:52:10,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:52:10,659 INFO L85 PathProgramCache]: Analyzing trace with hash -2051044843, now seen corresponding path program 1 times [2024-12-02 05:52:10,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:52:10,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007735054] [2024-12-02 05:52:10,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:52:10,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:52:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:52:11,150 INFO L134 CoverageAnalysis]: Checked inductivity of 5761 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 5729 trivial. 0 not checked. [2024-12-02 05:52:11,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:52:11,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007735054] [2024-12-02 05:52:11,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007735054] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:52:11,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:52:11,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 05:52:11,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878105717] [2024-12-02 05:52:11,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:52:11,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:52:11,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:52:11,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:52:11,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:52:11,152 INFO L87 Difference]: Start difference. First operand 173810 states and 244342 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2024-12-02 05:52:13,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:52:19,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:52:19,079 INFO L93 Difference]: Finished difference Result 404899 states and 569285 transitions. [2024-12-02 05:52:19,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:52:19,079 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 501 [2024-12-02 05:52:19,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:52:20,215 INFO L225 Difference]: With dead ends: 404899 [2024-12-02 05:52:20,215 INFO L226 Difference]: Without dead ends: 231072 [2024-12-02 05:52:20,839 INFO L434 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 [2024-12-02 05:52:20,840 INFO L435 NwaCegarLoop]: 6530 mSDtfsCounter, 3243 mSDsluCounter, 3399 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3243 SdHoareTripleChecker+Valid, 9929 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-12-02 05:52:20,840 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3243 Valid, 9929 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-12-02 05:52:20,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231072 states. [2024-12-02 05:52:27,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231072 to 173810. [2024-12-02 05:52:27,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173810 states, 119638 states have (on average 1.3110800916096892) internal successors, (156855), 123579 states have internal predecessors, (156855), 43743 states have call successors, (43743), 10428 states have call predecessors, (43743), 10428 states have return successors, (43743), 41668 states have call predecessors, (43743), 43743 states have call successors, (43743) [2024-12-02 05:52:28,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173810 states to 173810 states and 244341 transitions. [2024-12-02 05:52:28,540 INFO L78 Accepts]: Start accepts. Automaton has 173810 states and 244341 transitions. Word has length 501 [2024-12-02 05:52:28,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:52:28,541 INFO L471 AbstractCegarLoop]: Abstraction has 173810 states and 244341 transitions. [2024-12-02 05:52:28,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2024-12-02 05:52:28,541 INFO L276 IsEmpty]: Start isEmpty. Operand 173810 states and 244341 transitions. [2024-12-02 05:52:28,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2024-12-02 05:52:28,544 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:52:28,544 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 34, 34, 34, 34, 34, 34, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 05:52:28,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 05:52:28,544 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:52:28,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:52:28,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1175025837, now seen corresponding path program 1 times [2024-12-02 05:52:28,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:52:28,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864099193] [2024-12-02 05:52:28,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:52:28,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:52:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:52:28,951 INFO L134 CoverageAnalysis]: Checked inductivity of 5761 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5750 trivial. 0 not checked. [2024-12-02 05:52:28,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:52:28,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864099193] [2024-12-02 05:52:28,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864099193] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:52:28,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:52:28,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 05:52:28,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153693291] [2024-12-02 05:52:28,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:52:28,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 05:52:28,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:52:28,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 05:52:28,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-12-02 05:52:28,953 INFO L87 Difference]: Start difference. First operand 173810 states and 244341 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 05:52:30,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:52:33,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:52:46,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:52:46,150 INFO L93 Difference]: Finished difference Result 487439 states and 683422 transitions. [2024-12-02 05:52:46,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 05:52:46,150 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 501 [2024-12-02 05:52:46,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:52:47,514 INFO L225 Difference]: With dead ends: 487439 [2024-12-02 05:52:47,515 INFO L226 Difference]: Without dead ends: 313755 [2024-12-02 05:52:47,914 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-12-02 05:52:47,915 INFO L435 NwaCegarLoop]: 4412 mSDtfsCounter, 7981 mSDsluCounter, 7955 mSDsCounter, 0 mSdLazyCounter, 3143 mSolverCounterSat, 764 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7981 SdHoareTripleChecker+Valid, 12367 SdHoareTripleChecker+Invalid, 3907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 764 IncrementalHoareTripleChecker+Valid, 3143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2024-12-02 05:52:47,915 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7981 Valid, 12367 Invalid, 3907 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [764 Valid, 3143 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2024-12-02 05:52:48,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313755 states. [2024-12-02 05:52:57,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313755 to 313719. [2024-12-02 05:52:57,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313719 states, 215060 states have (on average 1.3074258346507952) internal successors, (281175), 222511 states have internal predecessors, (281175), 78899 states have call successors, (78899), 19759 states have call predecessors, (78899), 19759 states have return successors, (78899), 74778 states have call predecessors, (78899), 78899 states have call successors, (78899) [2024-12-02 05:52:59,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313719 states to 313719 states and 438973 transitions. [2024-12-02 05:52:59,415 INFO L78 Accepts]: Start accepts. Automaton has 313719 states and 438973 transitions. Word has length 501 [2024-12-02 05:52:59,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:52:59,415 INFO L471 AbstractCegarLoop]: Abstraction has 313719 states and 438973 transitions. [2024-12-02 05:52:59,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 05:52:59,415 INFO L276 IsEmpty]: Start isEmpty. Operand 313719 states and 438973 transitions. [2024-12-02 05:52:59,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2024-12-02 05:52:59,419 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:52:59,419 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 34, 34, 34, 34, 34, 34, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 05:52:59,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 05:52:59,419 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:52:59,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:52:59,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1974838446, now seen corresponding path program 1 times [2024-12-02 05:52:59,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:52:59,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866007894] [2024-12-02 05:52:59,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:52:59,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:52:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:52:59,763 INFO L134 CoverageAnalysis]: Checked inductivity of 5761 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5750 trivial. 0 not checked. [2024-12-02 05:52:59,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:52:59,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866007894] [2024-12-02 05:52:59,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866007894] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:52:59,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:52:59,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 05:52:59,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8158959] [2024-12-02 05:52:59,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:52:59,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:52:59,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:52:59,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:52:59,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:52:59,766 INFO L87 Difference]: Start difference. First operand 313719 states and 438973 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 05:53:01,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 05:53:13,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:53:13,024 INFO L93 Difference]: Finished difference Result 735040 states and 1025564 transitions. [2024-12-02 05:53:13,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:53:13,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 502 [2024-12-02 05:53:13,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:53:14,967 INFO L225 Difference]: With dead ends: 735040 [2024-12-02 05:53:14,968 INFO L226 Difference]: Without dead ends: 421447 [2024-12-02 05:53:15,855 INFO L434 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 [2024-12-02 05:53:15,856 INFO L435 NwaCegarLoop]: 4606 mSDtfsCounter, 3174 mSDsluCounter, 3350 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3174 SdHoareTripleChecker+Valid, 7956 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 05:53:15,856 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3174 Valid, 7956 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 05:53:16,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421447 states. [2024-12-02 05:53:28,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421447 to 421413. [2024-12-02 05:53:29,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421413 states, 287619 states have (on average 1.302514785184567) internal successors, (374628), 298148 states have internal predecessors, (374628), 105856 states have call successors, (105856), 27937 states have call predecessors, (105856), 27937 states have return successors, (105856), 99725 states have call predecessors, (105856), 105856 states have call successors, (105856) [2024-12-02 05:53:30,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421413 states to 421413 states and 586340 transitions. [2024-12-02 05:53:31,045 INFO L78 Accepts]: Start accepts. Automaton has 421413 states and 586340 transitions. Word has length 502 [2024-12-02 05:53:31,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:53:31,045 INFO L471 AbstractCegarLoop]: Abstraction has 421413 states and 586340 transitions. [2024-12-02 05:53:31,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 05:53:31,045 INFO L276 IsEmpty]: Start isEmpty. Operand 421413 states and 586340 transitions. [2024-12-02 05:53:31,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2024-12-02 05:53:31,054 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:53:31,055 INFO L218 NwaCegarLoop]: trace histogram [42, 42, 34, 34, 34, 34, 34, 34, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1] [2024-12-02 05:53:31,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 05:53:31,055 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:53:31,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:53:31,055 INFO L85 PathProgramCache]: Analyzing trace with hash -2135742901, now seen corresponding path program 1 times [2024-12-02 05:53:31,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:53:31,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634498592] [2024-12-02 05:53:31,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:31,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:53:31,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:53:31,528 INFO L134 CoverageAnalysis]: Checked inductivity of 6025 backedges. 31 proven. 7 refuted. 0 times theorem prover too weak. 5987 trivial. 0 not checked. [2024-12-02 05:53:31,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:53:31,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634498592] [2024-12-02 05:53:31,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634498592] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:53:31,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662213230] [2024-12-02 05:53:31,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:31,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:53:31,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219af46-0998-4061-a5be-56220c7fca24/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:53:31,533 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219af46-0998-4061-a5be-56220c7fca24/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:53:31,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219af46-0998-4061-a5be-56220c7fca24/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 05:53:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:53:33,028 INFO L256 TraceCheckSpWp]: Trace formula consists of 3500 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 05:53:33,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:53:33,831 INFO L134 CoverageAnalysis]: Checked inductivity of 6025 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6025 trivial. 0 not checked. [2024-12-02 05:53:33,831 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:53:33,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662213230] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:53:33,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:53:33,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-12-02 05:53:33,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767917210] [2024-12-02 05:53:33,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:53:33,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:53:33,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:53:33,832 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:53:33,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 05:53:33,832 INFO L87 Difference]: Start difference. First operand 421413 states and 586340 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 2 states have internal predecessors, (108), 1 states have call successors, (48), 1 states have call predecessors, (48), 2 states have return successors, (45), 2 states have call predecessors, (45), 1 states have call successors, (45) [2024-12-02 05:53:46,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:53:46,956 INFO L93 Difference]: Finished difference Result 842700 states and 1178880 transitions. [2024-12-02 05:53:46,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:53:46,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 2 states have internal predecessors, (108), 1 states have call successors, (48), 1 states have call predecessors, (48), 2 states have return successors, (45), 2 states have call predecessors, (45), 1 states have call successors, (45) Word has length 525 [2024-12-02 05:53:46,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:53:49,062 INFO L225 Difference]: With dead ends: 842700 [2024-12-02 05:53:49,062 INFO L226 Difference]: Without dead ends: 421413