./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.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_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB --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 7042caef2b07f4b73e0d06f42dcf6069ad2ecac0c225cd34c9db55fea01f29da --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:14:05,728 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:14:05,817 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 05:14:05,827 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:14:05,827 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:14:05,864 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:14:05,865 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:14:05,866 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:14:05,866 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:14:05,867 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:14:05,868 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:14:05,868 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:14:05,868 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:14:05,868 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:14:05,869 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:14:05,869 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:14:05,870 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:14:05,870 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:14:05,870 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:14:05,870 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:14:05,870 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:14:05,870 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:14:05,871 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:14:05,871 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:14:05,871 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:14:05,871 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:14:05,871 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:14:05,871 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:14:05,871 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:14:05,871 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:14:05,872 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:14:05,872 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:14:05,872 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:14:05,873 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:14:05,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:14:05,873 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:14:05,873 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:14:05,873 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:14:05,873 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:14:05,873 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:14:05,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:14:05,874 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:14:05,874 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:14:05,874 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:14:05,874 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:14:05,874 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_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 7042caef2b07f4b73e0d06f42dcf6069ad2ecac0c225cd34c9db55fea01f29da [2024-11-28 05:14:06,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:14:06,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:14:06,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:14:06,244 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:14:06,244 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:14:06,248 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2024-11-28 05:14:09,194 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/data/79a47fc9f/86aaa2c83b304b369470d5b68030ee3c/FLAG45c87e608 [2024-11-28 05:14:10,006 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:14:10,008 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2024-11-28 05:14:10,067 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/data/79a47fc9f/86aaa2c83b304b369470d5b68030ee3c/FLAG45c87e608 [2024-11-28 05:14:10,086 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/data/79a47fc9f/86aaa2c83b304b369470d5b68030ee3c [2024-11-28 05:14:10,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:14:10,093 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:14:10,095 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:14:10,096 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:14:10,101 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:14:10,102 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:14:10" (1/1) ... [2024-11-28 05:14:10,103 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fe2ab92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:10, skipping insertion in model container [2024-11-28 05:14:10,104 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:14:10" (1/1) ... [2024-11-28 05:14:10,246 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:14:12,708 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_432c3e4a-2a2b-431f-9e12-97255f60b166/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i[325202,325215] [2024-11-28 05:14:12,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:14:12,888 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:14:13,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6154] [2024-11-28 05:14:13,040 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6156] [2024-11-28 05:14:13,042 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"); [6166] [2024-11-28 05:14:13,042 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)); [6174-6175] [2024-11-28 05:14:13,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6351] [2024-11-28 05:14:13,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6354] [2024-11-28 05:14:13,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6357] [2024-11-28 05:14:13,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6360] [2024-11-28 05:14:13,058 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)); [6394] [2024-11-28 05:14:13,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0": "+m" (v->counter)); [6401] [2024-11-28 05:14:13,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [6409-6410] [2024-11-28 05:14:13,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [6449] [2024-11-28 05:14:13,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [6452] [2024-11-28 05:14:13,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [6454] [2024-11-28 05:14:13,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [6459] [2024-11-28 05:14:13,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [6462] [2024-11-28 05:14:13,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [6464] [2024-11-28 05:14:13,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [6469] [2024-11-28 05:14:13,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [6472] [2024-11-28 05:14:13,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [6474] [2024-11-28 05:14:13,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [6479] [2024-11-28 05:14:13,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [6482] [2024-11-28 05:14:13,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [6484] [2024-11-28 05:14:13,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [6502] [2024-11-28 05:14:13,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [6505] [2024-11-28 05:14:13,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [6507] [2024-11-28 05:14:13,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [6512] [2024-11-28 05:14:13,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [6515] [2024-11-28 05:14:13,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [6517] [2024-11-28 05:14:13,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [6522] [2024-11-28 05:14:13,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [6525] [2024-11-28 05:14:13,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [6527] [2024-11-28 05:14:13,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [6532] [2024-11-28 05:14:13,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [6535] [2024-11-28 05:14:13,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [6537] [2024-11-28 05:14:13,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6617] [2024-11-28 05:14:13,077 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6624] [2024-11-28 05:14:13,091 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/skbuff.h"), "i" (1056), "i" (12UL)); [6887-6888] [2024-11-28 05:14:13,106 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/skbuff.h"), "i" (1714), "i" (12UL)); [7054-7055] [2024-11-28 05:14:13,155 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/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/11985/dscv_tempdir/dscv/ri/43_2a/drivers/net/ppp/ppp_generic.c"), "i" (291), "i" (12UL)); [7404-7405] [2024-11-28 05:14:13,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [7566-7567] [2024-11-28 05:14:13,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [7571-7572] [2024-11-28 05:14:13,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [7576-7577] [2024-11-28 05:14:13,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [7581-7582] [2024-11-28 05:14:13,162 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___8->state): : "memory", "cc"); [7628-7629] [2024-11-28 05:14:13,163 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___9->state): : "memory", "cc"); [7633-7634] [2024-11-28 05:14:13,163 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___10->state): : "memory", "cc"); [7638-7639] [2024-11-28 05:14:13,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___11->state): : "memory", "cc"); [7643-7644] [2024-11-28 05:14:13,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (p), "i" (4UL)); [7886-7887] [2024-11-28 05:14:13,183 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___0), "=r" (__val_gu___0): "0" (p), "i" (4UL)); [7927-7928] [2024-11-28 05:14:13,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___1), "=r" (__val_gu___1): "0" (p), "i" (4UL)); [7940-7941] [2024-11-28 05:14:13,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7970] [2024-11-28 05:14:13,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7973] [2024-11-28 05:14:13,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7976] [2024-11-28 05:14:13,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7979] [2024-11-28 05:14:13,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7982] [2024-11-28 05:14:13,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [8001-8002] [2024-11-28 05:14:13,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [8005-8006] [2024-11-28 05:14:13,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [8009-8010] [2024-11-28 05:14:13,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [8013-8014] [2024-11-28 05:14:13,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [8017-8018] [2024-11-28 05:14:13,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___2), "=r" (__val_gu___2): "0" (p), "i" (4UL)); [8031-8032] [2024-11-28 05:14:13,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [8047-8048] [2024-11-28 05:14:13,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [8051-8052] [2024-11-28 05:14:13,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [8055-8056] [2024-11-28 05:14:13,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [8059-8060] [2024-11-28 05:14:13,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [8063-8064] [2024-11-28 05:14:13,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___3), "=r" (__val_gu___3): "0" (p), "i" (4UL)); [8087-8088] [2024-11-28 05:14:13,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___4), "=r" (__val_gu___4): "0" (p), "i" (4UL)); [8202-8203] [2024-11-28 05:14:13,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (p), "i" (4UL)); [8247-8248] [2024-11-28 05:14:13,208 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8267] [2024-11-28 05:14:13,208 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8270] [2024-11-28 05:14:13,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8273] [2024-11-28 05:14:13,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8276] [2024-11-28 05:14:13,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8279] [2024-11-28 05:14:13,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___0), "=r" (__val_gu___0): "0" (p), "i" (4UL)); [8292-8293] [2024-11-28 05:14:13,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___1), "=r" (__val_gu___1): "0" (p), "i" (4UL)); [8314-8315] [2024-11-28 05:14:13,395 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_432c3e4a-2a2b-431f-9e12-97255f60b166/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i[325202,325215] [2024-11-28 05:14:13,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:14:13,538 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:14:13,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:13 WrapperNode [2024-11-28 05:14:13,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:14:13,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:14:13,542 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:14:13,542 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:14:13,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:13" (1/1) ... [2024-11-28 05:14:13,641 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:13" (1/1) ... [2024-11-28 05:14:14,028 INFO L138 Inliner]: procedures = 336, calls = 2312, calls flagged for inlining = 156, calls inlined = 154, statements flattened = 6498 [2024-11-28 05:14:14,028 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:14:14,030 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:14:14,030 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:14:14,030 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:14:14,041 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:13" (1/1) ... [2024-11-28 05:14:14,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:13" (1/1) ... [2024-11-28 05:14:14,104 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:13" (1/1) ... [2024-11-28 05:14:15,827 INFO L175 MemorySlicer]: Split 1282 memory accesses to 22 slices as follows [2, 11, 4, 11, 4, 4, 1, 7, 16, 6, 10, 10, 2, 7, 5, 7, 29, 8, 907, 6, 221, 4]. 71 percent of accesses are in the largest equivalence class. The 87 initializations are split as follows [2, 0, 4, 0, 4, 4, 1, 7, 16, 0, 10, 0, 0, 6, 0, 6, 0, 8, 19, 0, 0, 0]. The 572 writes are split as follows [0, 10, 0, 1, 0, 0, 0, 0, 0, 2, 0, 2, 2, 0, 5, 0, 29, 0, 294, 4, 221, 2]. [2024-11-28 05:14:15,827 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:13" (1/1) ... [2024-11-28 05:14:15,828 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:13" (1/1) ... [2024-11-28 05:14:15,999 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:13" (1/1) ... [2024-11-28 05:14:16,011 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:13" (1/1) ... [2024-11-28 05:14:16,054 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:13" (1/1) ... [2024-11-28 05:14:16,100 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:13" (1/1) ... [2024-11-28 05:14:16,125 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:13" (1/1) ... [2024-11-28 05:14:16,172 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:14:16,173 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:14:16,173 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:14:16,173 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:14:16,174 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:13" (1/1) ... [2024-11-28 05:14:16,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:14:16,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:14:16,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:14:16,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:14:16,247 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2024-11-28 05:14:16,248 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2024-11-28 05:14:16,248 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2024-11-28 05:14:16,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2024-11-28 05:14:16,248 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2024-11-28 05:14:16,248 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2024-11-28 05:14:16,248 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2024-11-28 05:14:16,248 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2024-11-28 05:14:16,248 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2024-11-28 05:14:16,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __xchg_wrong_size [2024-11-28 05:14:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2024-11-28 05:14:16,249 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2024-11-28 05:14:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-28 05:14:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-28 05:14:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-28 05:14:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-28 05:14:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-28 05:14:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-28 05:14:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-28 05:14:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-28 05:14:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-28 05:14:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-28 05:14:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-28 05:14:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-28 05:14:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-28 05:14:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-28 05:14:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-28 05:14:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-28 05:14:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-28 05:14:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-28 05:14:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-28 05:14:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-28 05:14:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-11-28 05:14:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-11-28 05:14:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2024-11-28 05:14:16,251 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2024-11-28 05:14:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 05:14:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 05:14:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 05:14:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 05:14:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 05:14:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 05:14:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 05:14:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 05:14:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 05:14:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 05:14:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 05:14:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 05:14:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 05:14:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 05:14:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-28 05:14:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-28 05:14:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-28 05:14:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-28 05:14:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-28 05:14:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-28 05:14:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-28 05:14:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-28 05:14:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-28 05:14:16,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-28 05:14:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-28 05:14:16,252 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-28 05:14:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2024-11-28 05:14:16,252 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2024-11-28 05:14:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2024-11-28 05:14:16,252 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2024-11-28 05:14:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2024-11-28 05:14:16,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2024-11-28 05:14:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2024-11-28 05:14:16,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2024-11-28 05:14:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2024-11-28 05:14:16,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2024-11-28 05:14:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2024-11-28 05:14:16,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2024-11-28 05:14:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-28 05:14:16,252 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-28 05:14:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2024-11-28 05:14:16,252 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2024-11-28 05:14:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-28 05:14:16,253 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-28 05:14:16,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-28 05:14:16,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-28 05:14:16,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 05:14:16,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 05:14:16,254 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2024-11-28 05:14:16,254 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2024-11-28 05:14:16,254 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_destroy [2024-11-28 05:14:16,254 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_destroy [2024-11-28 05:14:16,254 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2024-11-28 05:14:16,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2024-11-28 05:14:16,254 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2024-11-28 05:14:16,254 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2024-11-28 05:14:16,254 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-28 05:14:16,255 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-28 05:14:16,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-28 05:14:16,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-28 05:14:16,255 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2024-11-28 05:14:16,255 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2024-11-28 05:14:16,255 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-11-28 05:14:16,255 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-11-28 05:14:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-28 05:14:16,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-28 05:14:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-28 05:14:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-28 05:14:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-28 05:14:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-28 05:14:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-28 05:14:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-28 05:14:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-28 05:14:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-28 05:14:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-28 05:14:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-28 05:14:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-28 05:14:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-28 05:14:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-28 05:14:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-28 05:14:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-28 05:14:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-28 05:14:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-28 05:14:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-11-28 05:14:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-11-28 05:14:16,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-11-28 05:14:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-28 05:14:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-28 05:14:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-28 05:14:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-28 05:14:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-28 05:14:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-28 05:14:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-28 05:14:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-28 05:14:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-28 05:14:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-28 05:14:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-28 05:14:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-28 05:14:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-28 05:14:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-28 05:14:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-28 05:14:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-28 05:14:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-28 05:14:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-28 05:14:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-28 05:14:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-11-28 05:14:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-11-28 05:14:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-11-28 05:14:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2024-11-28 05:14:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2024-11-28 05:14:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 05:14:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 05:14:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-28 05:14:16,259 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-28 05:14:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-11-28 05:14:16,259 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-11-28 05:14:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-28 05:14:16,259 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-28 05:14:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2024-11-28 05:14:16,259 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2024-11-28 05:14:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2024-11-28 05:14:16,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2024-11-28 05:14:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-28 05:14:16,259 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-28 05:14:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2024-11-28 05:14:16,259 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2024-11-28 05:14:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 05:14:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-28 05:14:16,259 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-28 05:14:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2024-11-28 05:14:16,259 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2024-11-28 05:14:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2024-11-28 05:14:16,262 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2024-11-28 05:14:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_create [2024-11-28 05:14:16,263 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_create [2024-11-28 05:14:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 05:14:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 05:14:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 05:14:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 05:14:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 05:14:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 05:14:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 05:14:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 05:14:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 05:14:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 05:14:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 05:14:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 05:14:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 05:14:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 05:14:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-28 05:14:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-28 05:14:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-28 05:14:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-28 05:14:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-28 05:14:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-28 05:14:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-28 05:14:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-28 05:14:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_get_stats64 [2024-11-28 05:14:16,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_get_stats64 [2024-11-28 05:14:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2024-11-28 05:14:16,264 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2024-11-28 05:14:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-11-28 05:14:16,264 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-11-28 05:14:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_send_frame [2024-11-28 05:14:16,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_send_frame [2024-11-28 05:14:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-28 05:14:16,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-28 05:14:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-28 05:14:16,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-28 05:14:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 05:14:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 05:14:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 05:14:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 05:14:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 05:14:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 05:14:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 05:14:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-28 05:14:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-28 05:14:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-28 05:14:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-28 05:14:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-28 05:14:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-28 05:14:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-28 05:14:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-28 05:14:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-28 05:14:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-28 05:14:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-28 05:14:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-28 05:14:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-28 05:14:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-28 05:14:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-28 05:14:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-28 05:14:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_error [2024-11-28 05:14:16,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_error [2024-11-28 05:14:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2024-11-28 05:14:16,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2024-11-28 05:14:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-28 05:14:16,265 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-28 05:14:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2024-11-28 05:14:16,265 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2024-11-28 05:14:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-28 05:14:16,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-28 05:14:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-28 05:14:16,265 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-28 05:14:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-28 05:14:16,265 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-28 05:14:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-28 05:14:16,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-28 05:14:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2024-11-28 05:14:16,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2024-11-28 05:14:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-28 05:14:16,266 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-28 05:14:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-28 05:14:16,266 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-28 05:14:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-28 05:14:16,266 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-28 05:14:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2024-11-28 05:14:16,266 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2024-11-28 05:14:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2024-11-28 05:14:16,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2024-11-28 05:14:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-28 05:14:16,266 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-28 05:14:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2024-11-28 05:14:16,266 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2024-11-28 05:14:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-28 05:14:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-28 05:14:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-28 05:14:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-28 05:14:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-28 05:14:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-28 05:14:16,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-28 05:14:16,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-28 05:14:16,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-28 05:14:16,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-28 05:14:16,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-28 05:14:16,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-28 05:14:16,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-28 05:14:16,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-28 05:14:16,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-28 05:14:16,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-28 05:14:16,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-28 05:14:16,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-28 05:14:16,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-28 05:14:16,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-28 05:14:16,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-11-28 05:14:16,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-11-28 05:14:16,272 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2024-11-28 05:14:16,272 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2024-11-28 05:14:16,272 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-28 05:14:16,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-28 05:14:16,272 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2024-11-28 05:14:16,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2024-11-28 05:14:16,273 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_net_ioctl [2024-11-28 05:14:16,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_net_ioctl [2024-11-28 05:14:16,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 05:14:16,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 05:14:16,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 05:14:16,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 05:14:16,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 05:14:16,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 05:14:16,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 05:14:16,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 05:14:16,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 05:14:16,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 05:14:16,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 05:14:16,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 05:14:16,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 05:14:16,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 05:14:16,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-28 05:14:16,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-28 05:14:16,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-28 05:14:16,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-28 05:14:16,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-28 05:14:16,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-28 05:14:16,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-28 05:14:16,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-28 05:14:16,274 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2024-11-28 05:14:16,274 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2024-11-28 05:14:16,274 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-11-28 05:14:16,274 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-11-28 05:14:16,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 05:14:16,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 05:14:16,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 05:14:16,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 05:14:16,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 05:14:16,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 05:14:16,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 05:14:16,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 05:14:16,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 05:14:16,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 05:14:16,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 05:14:16,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 05:14:16,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 05:14:16,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 05:14:16,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 05:14:16,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 05:14:16,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-28 05:14:16,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-28 05:14:16,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-28 05:14:16,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-28 05:14:16,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-28 05:14:16,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-28 05:14:16,275 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-28 05:14:16,275 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-28 05:14:16,275 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2024-11-28 05:14:16,275 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2024-11-28 05:14:16,275 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2024-11-28 05:14:16,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2024-11-28 05:14:16,275 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2024-11-28 05:14:16,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2024-11-28 05:14:16,275 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2024-11-28 05:14:16,275 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2024-11-28 05:14:16,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-28 05:14:16,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-28 05:14:16,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-28 05:14:16,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-28 05:14:16,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-28 05:14:16,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-28 05:14:16,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-28 05:14:16,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-28 05:14:16,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-28 05:14:16,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-28 05:14:16,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-28 05:14:16,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-28 05:14:16,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-28 05:14:16,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-28 05:14:16,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-28 05:14:16,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-28 05:14:16,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-28 05:14:16,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-28 05:14:16,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-28 05:14:16,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-11-28 05:14:16,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-11-28 05:14:16,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-11-28 05:14:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-28 05:14:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-28 05:14:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-28 05:14:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-28 05:14:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-28 05:14:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-28 05:14:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-28 05:14:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-28 05:14:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-28 05:14:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-28 05:14:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-28 05:14:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-28 05:14:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-28 05:14:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-28 05:14:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-28 05:14:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-28 05:14:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-28 05:14:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-28 05:14:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-28 05:14:16,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-11-28 05:14:16,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-11-28 05:14:16,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-11-28 05:14:16,281 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2024-11-28 05:14:16,281 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2024-11-28 05:14:16,282 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_do_recv [2024-11-28 05:14:16,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_do_recv [2024-11-28 05:14:16,283 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2024-11-28 05:14:16,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2024-11-28 05:14:16,283 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2024-11-28 05:14:16,283 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2024-11-28 05:14:16,283 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2024-11-28 05:14:16,283 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2024-11-28 05:14:16,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-28 05:14:16,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-28 05:14:16,283 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2024-11-28 05:14:16,283 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2024-11-28 05:14:16,283 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2024-11-28 05:14:16,283 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2024-11-28 05:14:16,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_39 [2024-11-28 05:14:16,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_39 [2024-11-28 05:14:16,283 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-28 05:14:16,283 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-28 05:14:16,283 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2024-11-28 05:14:16,283 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2024-11-28 05:14:16,283 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_nonmp_frame [2024-11-28 05:14:16,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_nonmp_frame [2024-11-28 05:14:16,283 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2024-11-28 05:14:16,283 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2024-11-28 05:14:16,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 05:14:16,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 05:14:16,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 05:14:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 05:14:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 05:14:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 05:14:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 05:14:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 05:14:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 05:14:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 05:14:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 05:14:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 05:14:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 05:14:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 05:14:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 05:14:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 05:14:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-28 05:14:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-28 05:14:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-28 05:14:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-28 05:14:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-28 05:14:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-28 05:14:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-28 05:14:16,284 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-28 05:14:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2024-11-28 05:14:16,284 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2024-11-28 05:14:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2024-11-28 05:14:16,284 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2024-11-28 05:14:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_write [2024-11-28 05:14:16,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_write [2024-11-28 05:14:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2024-11-28 05:14:16,284 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2024-11-28 05:14:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-28 05:14:16,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-28 05:14:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2024-11-28 05:14:16,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2024-11-28 05:14:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-28 05:14:16,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-28 05:14:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2024-11-28 05:14:16,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2024-11-28 05:14:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2024-11-28 05:14:16,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2024-11-28 05:14:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 05:14:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-28 05:14:16,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-28 05:14:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-28 05:14:16,285 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-28 05:14:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-11-28 05:14:16,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-11-28 05:14:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:14:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2024-11-28 05:14:16,285 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2024-11-28 05:14:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 05:14:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 05:14:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 05:14:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 05:14:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 05:14:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 05:14:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 05:14:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 05:14:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 05:14:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 05:14:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 05:14:16,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 05:14:16,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 05:14:16,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 05:14:16,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-28 05:14:16,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-28 05:14:16,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-28 05:14:16,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-28 05:14:16,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-28 05:14:16,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-28 05:14:16,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-28 05:14:16,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-28 05:14:16,286 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2024-11-28 05:14:16,286 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2024-11-28 05:14:16,286 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-11-28 05:14:16,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2024-11-28 05:14:16,286 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2024-11-28 05:14:16,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2024-11-28 05:14:16,286 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-28 05:14:16,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-28 05:14:16,286 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2024-11-28 05:14:16,286 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2024-11-28 05:14:16,286 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2024-11-28 05:14:16,291 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2024-11-28 05:14:16,292 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2024-11-28 05:14:16,292 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2024-11-28 05:14:16,292 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-11-28 05:14:16,292 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-11-28 05:14:16,292 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-28 05:14:16,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-28 05:14:16,292 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-28 05:14:16,292 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-28 05:14:16,292 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2024-11-28 05:14:16,292 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2024-11-28 05:14:16,292 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-11-28 05:14:16,292 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-11-28 05:14:16,292 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2024-11-28 05:14:16,292 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2024-11-28 05:14:16,292 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-28 05:14:16,292 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-28 05:14:16,292 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_net_channel [2024-11-28 05:14:16,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_net_channel [2024-11-28 05:14:16,292 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-28 05:14:16,292 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-28 05:14:16,292 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_explode [2024-11-28 05:14:16,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_explode [2024-11-28 05:14:16,292 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2024-11-28 05:14:16,292 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2024-11-28 05:14:16,292 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-28 05:14:16,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-28 05:14:16,292 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2024-11-28 05:14:16,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2024-11-28 05:14:16,292 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2024-11-28 05:14:16,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2024-11-28 05:14:16,292 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2024-11-28 05:14:16,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2024-11-28 05:14:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:14:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 05:14:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 05:14:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 05:14:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 05:14:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 05:14:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 05:14:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 05:14:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 05:14:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 05:14:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 05:14:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 05:14:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 05:14:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 05:14:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 05:14:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 05:14:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-28 05:14:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-28 05:14:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-28 05:14:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-28 05:14:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-28 05:14:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-28 05:14:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2024-11-28 05:14:16,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2024-11-28 05:14:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2024-11-28 05:14:16,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2024-11-28 05:14:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:14:16,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:14:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2024-11-28 05:14:16,293 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2024-11-28 05:14:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-28 05:14:16,294 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-28 05:14:17,741 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:14:17,745 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:14:30,690 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-28 05:14:42,178 INFO L? ?]: Removed 3398 outVars from TransFormulas that were not future-live. [2024-11-28 05:14:42,179 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:14:42,257 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:14:42,257 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 05:14:42,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:14:42 BoogieIcfgContainer [2024-11-28 05:14:42,262 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:14:42,265 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:14:42,265 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:14:42,276 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:14:42,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:14:10" (1/3) ... [2024-11-28 05:14:42,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad70549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:14:42, skipping insertion in model container [2024-11-28 05:14:42,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:13" (2/3) ... [2024-11-28 05:14:42,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad70549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:14:42, skipping insertion in model container [2024-11-28 05:14:42,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:14:42" (3/3) ... [2024-11-28 05:14:42,279 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2024-11-28 05:14:42,301 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:14:42,304 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i that has 172 procedures, 2610 locations, 1 initial locations, 67 loop locations, and 1 error locations. [2024-11-28 05:14:42,484 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:14:42,505 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;@6db4ecd4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:14:42,507 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:14:42,524 INFO L276 IsEmpty]: Start isEmpty. Operand has 2424 states, 1743 states have (on average 1.3866896156052781) internal successors, (2417), 1818 states have internal predecessors, (2417), 550 states have call successors, (550), 130 states have call predecessors, (550), 129 states have return successors, (545), 525 states have call predecessors, (545), 545 states have call successors, (545) [2024-11-28 05:14:42,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-28 05:14:42,554 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:14:42,555 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:14:42,558 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:14:42,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:14:42,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1303175743, now seen corresponding path program 1 times [2024-11-28 05:14:42,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:14:42,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552674597] [2024-11-28 05:14:42,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:14:42,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:14:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:14:55,413 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2024-11-28 05:14:55,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:14:55,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552674597] [2024-11-28 05:14:55,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552674597] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:14:55,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141963762] [2024-11-28 05:14:55,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:14:55,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:14:55,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:14:55,420 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:14:55,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 05:15:07,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:15:07,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 5024 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 05:15:07,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:15:07,240 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked. [2024-11-28 05:15:07,240 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:15:07,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141963762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:15:07,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:15:07,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 05:15:07,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611018712] [2024-11-28 05:15:07,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:15:07,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 05:15:07,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:15:07,274 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 05:15:07,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:15:07,283 INFO L87 Difference]: Start difference. First operand has 2424 states, 1743 states have (on average 1.3866896156052781) internal successors, (2417), 1818 states have internal predecessors, (2417), 550 states have call successors, (550), 130 states have call predecessors, (550), 129 states have return successors, (545), 525 states have call predecessors, (545), 545 states have call successors, (545) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 05:15:07,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:15:07,667 INFO L93 Difference]: Finished difference Result 4843 states and 7138 transitions. [2024-11-28 05:15:07,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 05:15:07,669 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 226 [2024-11-28 05:15:07,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:15:07,720 INFO L225 Difference]: With dead ends: 4843 [2024-11-28 05:15:07,720 INFO L226 Difference]: Without dead ends: 2392 [2024-11-28 05:15:07,748 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:15:07,754 INFO L435 NwaCegarLoop]: 3499 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3499 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:15:07,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3499 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:15:07,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2392 states. [2024-11-28 05:15:07,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2392 to 2392. [2024-11-28 05:15:07,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2392 states, 1724 states have (on average 1.3776102088167053) internal successors, (2375), 1792 states have internal predecessors, (2375), 539 states have call successors, (539), 129 states have call predecessors, (539), 128 states have return successors, (538), 518 states have call predecessors, (538), 538 states have call successors, (538) [2024-11-28 05:15:08,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 2392 states and 3452 transitions. [2024-11-28 05:15:08,014 INFO L78 Accepts]: Start accepts. Automaton has 2392 states and 3452 transitions. Word has length 226 [2024-11-28 05:15:08,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:15:08,014 INFO L471 AbstractCegarLoop]: Abstraction has 2392 states and 3452 transitions. [2024-11-28 05:15:08,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 05:15:08,015 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 3452 transitions. [2024-11-28 05:15:08,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-28 05:15:08,027 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:15:08,027 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:15:08,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 05:15:08,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 05:15:08,229 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:15:08,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:15:08,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1741250095, now seen corresponding path program 1 times [2024-11-28 05:15:08,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:15:08,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894871128] [2024-11-28 05:15:08,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:15:08,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:15:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:15:19,979 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2024-11-28 05:15:19,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:15:19,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894871128] [2024-11-28 05:15:19,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894871128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:15:19,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:15:19,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:15:19,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502575365] [2024-11-28 05:15:19,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:15:19,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:15:19,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:15:19,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:15:19,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:15:19,987 INFO L87 Difference]: Start difference. First operand 2392 states and 3452 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-28 05:15:20,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:15:20,787 INFO L93 Difference]: Finished difference Result 6414 states and 9202 transitions. [2024-11-28 05:15:20,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:15:20,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 226 [2024-11-28 05:15:20,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:15:20,829 INFO L225 Difference]: With dead ends: 6414 [2024-11-28 05:15:20,830 INFO L226 Difference]: Without dead ends: 4064 [2024-11-28 05:15:20,844 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 [2024-11-28 05:15:20,846 INFO L435 NwaCegarLoop]: 3961 mSDtfsCounter, 2406 mSDsluCounter, 3362 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2406 SdHoareTripleChecker+Valid, 7323 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:15:20,846 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2406 Valid, 7323 Invalid, 33 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 05:15:20,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4064 states. [2024-11-28 05:15:21,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4064 to 4059. [2024-11-28 05:15:21,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4059 states, 2940 states have (on average 1.375170068027211) internal successors, (4043), 3060 states have internal predecessors, (4043), 880 states have call successors, (880), 239 states have call predecessors, (880), 238 states have return successors, (879), 841 states have call predecessors, (879), 879 states have call successors, (879) [2024-11-28 05:15:21,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4059 states to 4059 states and 5802 transitions. [2024-11-28 05:15:21,228 INFO L78 Accepts]: Start accepts. Automaton has 4059 states and 5802 transitions. Word has length 226 [2024-11-28 05:15:21,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:15:21,231 INFO L471 AbstractCegarLoop]: Abstraction has 4059 states and 5802 transitions. [2024-11-28 05:15:21,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-28 05:15:21,231 INFO L276 IsEmpty]: Start isEmpty. Operand 4059 states and 5802 transitions. [2024-11-28 05:15:21,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-11-28 05:15:21,241 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:15:21,242 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:15:21,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:15:21,242 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:15:21,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:15:21,243 INFO L85 PathProgramCache]: Analyzing trace with hash -416700066, now seen corresponding path program 1 times [2024-11-28 05:15:21,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:15:21,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94966208] [2024-11-28 05:15:21,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:15:21,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:15:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:15:31,976 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2024-11-28 05:15:31,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:15:31,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94966208] [2024-11-28 05:15:31,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94966208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:15:31,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:15:31,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:15:31,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153068643] [2024-11-28 05:15:31,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:15:31,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:15:31,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:15:31,979 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:15:31,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:15:31,979 INFO L87 Difference]: Start difference. First operand 4059 states and 5802 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 05:15:32,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:15:32,924 INFO L93 Difference]: Finished difference Result 11811 states and 16947 transitions. [2024-11-28 05:15:32,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:15:32,924 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), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 248 [2024-11-28 05:15:32,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:15:32,994 INFO L225 Difference]: With dead ends: 11811 [2024-11-28 05:15:32,994 INFO L226 Difference]: Without dead ends: 7794 [2024-11-28 05:15:33,016 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 [2024-11-28 05:15:33,019 INFO L435 NwaCegarLoop]: 4120 mSDtfsCounter, 3264 mSDsluCounter, 3350 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3264 SdHoareTripleChecker+Valid, 7470 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:15:33,019 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3264 Valid, 7470 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 05:15:33,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7794 states. [2024-11-28 05:15:33,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7794 to 7749. [2024-11-28 05:15:33,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7749 states, 5611 states have (on average 1.375155943682053) internal successors, (7716), 5854 states have internal predecessors, (7716), 1675 states have call successors, (1675), 463 states have call predecessors, (1675), 462 states have return successors, (1757), 1593 states have call predecessors, (1757), 1674 states have call successors, (1757) [2024-11-28 05:15:33,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7749 states to 7749 states and 11148 transitions. [2024-11-28 05:15:33,491 INFO L78 Accepts]: Start accepts. Automaton has 7749 states and 11148 transitions. Word has length 248 [2024-11-28 05:15:33,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:15:33,492 INFO L471 AbstractCegarLoop]: Abstraction has 7749 states and 11148 transitions. [2024-11-28 05:15:33,493 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), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 05:15:33,493 INFO L276 IsEmpty]: Start isEmpty. Operand 7749 states and 11148 transitions. [2024-11-28 05:15:33,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2024-11-28 05:15:33,503 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:15:33,504 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2024-11-28 05:15:33,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:15:33,504 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:15:33,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:15:33,505 INFO L85 PathProgramCache]: Analyzing trace with hash -965050265, now seen corresponding path program 1 times [2024-11-28 05:15:33,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:15:33,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166031050] [2024-11-28 05:15:33,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:15:33,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:15:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:15:43,360 INFO L134 CoverageAnalysis]: Checked inductivity of 825 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 822 trivial. 0 not checked. [2024-11-28 05:15:43,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:15:43,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166031050] [2024-11-28 05:15:43,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166031050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:15:43,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:15:43,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:15:43,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896709782] [2024-11-28 05:15:43,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:15:43,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:15:43,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:15:43,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:15:43,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:15:43,363 INFO L87 Difference]: Start difference. First operand 7749 states and 11148 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-28 05:15:43,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:15:43,914 INFO L93 Difference]: Finished difference Result 15456 states and 22239 transitions. [2024-11-28 05:15:43,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:15:43,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 290 [2024-11-28 05:15:43,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:15:43,974 INFO L225 Difference]: With dead ends: 15456 [2024-11-28 05:15:43,974 INFO L226 Difference]: Without dead ends: 7749 [2024-11-28 05:15:44,009 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 [2024-11-28 05:15:44,011 INFO L435 NwaCegarLoop]: 3450 mSDtfsCounter, 3448 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3448 SdHoareTripleChecker+Valid, 3450 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:15:44,011 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3448 Valid, 3450 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:15:44,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7749 states. [2024-11-28 05:15:44,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7749 to 7749. [2024-11-28 05:15:44,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7749 states, 5611 states have (on average 1.3744430582783818) internal successors, (7712), 5854 states have internal predecessors, (7712), 1675 states have call successors, (1675), 463 states have call predecessors, (1675), 462 states have return successors, (1757), 1593 states have call predecessors, (1757), 1674 states have call successors, (1757) [2024-11-28 05:15:44,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7749 states to 7749 states and 11144 transitions. [2024-11-28 05:15:44,456 INFO L78 Accepts]: Start accepts. Automaton has 7749 states and 11144 transitions. Word has length 290 [2024-11-28 05:15:44,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:15:44,457 INFO L471 AbstractCegarLoop]: Abstraction has 7749 states and 11144 transitions. [2024-11-28 05:15:44,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-28 05:15:44,458 INFO L276 IsEmpty]: Start isEmpty. Operand 7749 states and 11144 transitions. [2024-11-28 05:15:44,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-28 05:15:44,465 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:15:44,466 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2024-11-28 05:15:44,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 05:15:44,466 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:15:44,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:15:44,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1928117671, now seen corresponding path program 1 times [2024-11-28 05:15:44,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:15:44,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369908183] [2024-11-28 05:15:44,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:15:44,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:15:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:15:55,314 INFO L134 CoverageAnalysis]: Checked inductivity of 965 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 965 trivial. 0 not checked. [2024-11-28 05:15:55,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:15:55,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369908183] [2024-11-28 05:15:55,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369908183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:15:55,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:15:55,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:15:55,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324324343] [2024-11-28 05:15:55,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:15:55,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:15:55,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:15:55,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:15:55,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:15:55,318 INFO L87 Difference]: Start difference. First operand 7749 states and 11144 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-28 05:15:55,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:15:55,634 INFO L93 Difference]: Finished difference Result 7756 states and 11154 transitions. [2024-11-28 05:15:55,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:15:55,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 307 [2024-11-28 05:15:55,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:15:55,720 INFO L225 Difference]: With dead ends: 7756 [2024-11-28 05:15:55,721 INFO L226 Difference]: Without dead ends: 7753 [2024-11-28 05:15:55,728 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 [2024-11-28 05:15:55,729 INFO L435 NwaCegarLoop]: 3450 mSDtfsCounter, 0 mSDsluCounter, 3445 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6895 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:15:55,730 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6895 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:15:55,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7753 states. [2024-11-28 05:15:56,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7753 to 7753. [2024-11-28 05:15:56,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7753 states, 5615 states have (on average 1.3741763134461265) internal successors, (7716), 5858 states have internal predecessors, (7716), 1675 states have call successors, (1675), 463 states have call predecessors, (1675), 462 states have return successors, (1757), 1593 states have call predecessors, (1757), 1674 states have call successors, (1757) [2024-11-28 05:15:56,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7753 states to 7753 states and 11148 transitions. [2024-11-28 05:15:56,169 INFO L78 Accepts]: Start accepts. Automaton has 7753 states and 11148 transitions. Word has length 307 [2024-11-28 05:15:56,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:15:56,172 INFO L471 AbstractCegarLoop]: Abstraction has 7753 states and 11148 transitions. [2024-11-28 05:15:56,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-28 05:15:56,173 INFO L276 IsEmpty]: Start isEmpty. Operand 7753 states and 11148 transitions. [2024-11-28 05:15:56,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2024-11-28 05:15:56,182 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:15:56,182 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2024-11-28 05:15:56,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 05:15:56,183 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:15:56,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:15:56,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1904723134, now seen corresponding path program 1 times [2024-11-28 05:15:56,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:15:56,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344688935] [2024-11-28 05:15:56,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:15:56,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:07,377 INFO L134 CoverageAnalysis]: Checked inductivity of 965 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 965 trivial. 0 not checked. [2024-11-28 05:16:07,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:07,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344688935] [2024-11-28 05:16:07,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344688935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:07,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:07,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:16:07,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623383193] [2024-11-28 05:16:07,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:07,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:16:07,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:07,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:16:07,380 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:16:07,380 INFO L87 Difference]: Start difference. First operand 7753 states and 11148 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-28 05:16:08,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:08,091 INFO L93 Difference]: Finished difference Result 19752 states and 28723 transitions. [2024-11-28 05:16:08,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:16:08,092 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 309 [2024-11-28 05:16:08,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:08,170 INFO L225 Difference]: With dead ends: 19752 [2024-11-28 05:16:08,170 INFO L226 Difference]: Without dead ends: 12041 [2024-11-28 05:16:08,219 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:16:08,219 INFO L435 NwaCegarLoop]: 4547 mSDtfsCounter, 2938 mSDsluCounter, 6483 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2938 SdHoareTripleChecker+Valid, 11030 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:08,220 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2938 Valid, 11030 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:16:08,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12041 states. [2024-11-28 05:16:08,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12041 to 11841. [2024-11-28 05:16:08,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11841 states, 8713 states have (on average 1.3795478021347412) internal successors, (12020), 9080 states have internal predecessors, (12020), 2385 states have call successors, (2385), 747 states have call predecessors, (2385), 742 states have return successors, (2589), 2243 states have call predecessors, (2589), 2384 states have call successors, (2589) [2024-11-28 05:16:08,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11841 states to 11841 states and 16994 transitions. [2024-11-28 05:16:08,834 INFO L78 Accepts]: Start accepts. Automaton has 11841 states and 16994 transitions. Word has length 309 [2024-11-28 05:16:08,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:08,835 INFO L471 AbstractCegarLoop]: Abstraction has 11841 states and 16994 transitions. [2024-11-28 05:16:08,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-28 05:16:08,835 INFO L276 IsEmpty]: Start isEmpty. Operand 11841 states and 16994 transitions. [2024-11-28 05:16:08,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2024-11-28 05:16:08,849 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:08,850 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:08,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 05:16:08,850 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:08,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:08,851 INFO L85 PathProgramCache]: Analyzing trace with hash 412162759, now seen corresponding path program 1 times [2024-11-28 05:16:08,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:08,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756882463] [2024-11-28 05:16:08,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:08,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:21,843 INFO L134 CoverageAnalysis]: Checked inductivity of 972 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 967 trivial. 0 not checked. [2024-11-28 05:16:21,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:21,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756882463] [2024-11-28 05:16:21,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756882463] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:16:21,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051671728] [2024-11-28 05:16:21,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:21,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:16:21,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:16:21,849 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:16:21,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 05:16:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:33,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 5990 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 05:16:33,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:16:34,256 INFO L134 CoverageAnalysis]: Checked inductivity of 972 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 829 trivial. 0 not checked. [2024-11-28 05:16:34,256 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:16:34,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051671728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:34,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:16:34,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2024-11-28 05:16:34,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618180783] [2024-11-28 05:16:34,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:34,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:16:34,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:34,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:16:34,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:16:34,263 INFO L87 Difference]: Start difference. First operand 11841 states and 16994 transitions. Second operand has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 states have internal predecessors, (141), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-11-28 05:16:38,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:16:39,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:39,631 INFO L93 Difference]: Finished difference Result 23650 states and 33941 transitions. [2024-11-28 05:16:39,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:16:39,632 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 states have internal predecessors, (141), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 399 [2024-11-28 05:16:39,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:39,712 INFO L225 Difference]: With dead ends: 23650 [2024-11-28 05:16:39,713 INFO L226 Difference]: Without dead ends: 11819 [2024-11-28 05:16:39,758 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:16:39,760 INFO L435 NwaCegarLoop]: 3449 mSDtfsCounter, 1 mSDsluCounter, 10330 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 13779 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:39,760 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 13779 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-28 05:16:39,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11819 states. [2024-11-28 05:16:40,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11819 to 11813. [2024-11-28 05:16:40,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11813 states, 8695 states have (on average 1.3796434732604945) internal successors, (11996), 9060 states have internal predecessors, (11996), 2377 states have call successors, (2377), 745 states have call predecessors, (2377), 740 states have return successors, (2581), 2233 states have call predecessors, (2581), 2376 states have call successors, (2581) [2024-11-28 05:16:40,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11813 states to 11813 states and 16954 transitions. [2024-11-28 05:16:40,391 INFO L78 Accepts]: Start accepts. Automaton has 11813 states and 16954 transitions. Word has length 399 [2024-11-28 05:16:40,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:40,393 INFO L471 AbstractCegarLoop]: Abstraction has 11813 states and 16954 transitions. [2024-11-28 05:16:40,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 states have internal predecessors, (141), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-11-28 05:16:40,393 INFO L276 IsEmpty]: Start isEmpty. Operand 11813 states and 16954 transitions. [2024-11-28 05:16:40,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2024-11-28 05:16:40,408 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:40,408 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:40,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 05:16:40,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-28 05:16:40,609 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:40,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:40,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1871536349, now seen corresponding path program 1 times [2024-11-28 05:16:40,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:40,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903792483] [2024-11-28 05:16:40,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:40,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:50,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:53,987 INFO L134 CoverageAnalysis]: Checked inductivity of 989 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 980 trivial. 0 not checked. [2024-11-28 05:16:53,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:53,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903792483] [2024-11-28 05:16:53,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903792483] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:16:53,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523089230] [2024-11-28 05:16:53,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:53,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:16:53,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:16:53,990 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:16:53,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 05:17:05,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:05,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 6114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 05:17:05,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:17:06,638 INFO L134 CoverageAnalysis]: Checked inductivity of 989 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 986 trivial. 0 not checked. [2024-11-28 05:17:06,638 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:17:06,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523089230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:06,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:17:06,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2024-11-28 05:17:06,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255301088] [2024-11-28 05:17:06,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:06,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:17:06,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:06,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:17:06,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:17:06,640 INFO L87 Difference]: Start difference. First operand 11813 states and 16954 transitions. Second operand has 6 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 3 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-28 05:17:07,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:07,847 INFO L93 Difference]: Finished difference Result 23653 states and 34290 transitions. [2024-11-28 05:17:07,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:17:07,848 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 3 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 414 [2024-11-28 05:17:07,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:07,928 INFO L225 Difference]: With dead ends: 23653 [2024-11-28 05:17:07,928 INFO L226 Difference]: Without dead ends: 11882 [2024-11-28 05:17:07,976 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 424 GetRequests, 413 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-28 05:17:07,977 INFO L435 NwaCegarLoop]: 3440 mSDtfsCounter, 22 mSDsluCounter, 13743 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 17183 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:07,977 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 17183 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:17:07,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11882 states. [2024-11-28 05:17:08,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11882 to 11873. [2024-11-28 05:17:08,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11873 states, 8747 states have (on average 1.378301131816623) internal successors, (12056), 9112 states have internal predecessors, (12056), 2377 states have call successors, (2377), 753 states have call predecessors, (2377), 748 states have return successors, (2581), 2233 states have call predecessors, (2581), 2376 states have call successors, (2581) [2024-11-28 05:17:08,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11873 states to 11873 states and 17014 transitions. [2024-11-28 05:17:08,535 INFO L78 Accepts]: Start accepts. Automaton has 11873 states and 17014 transitions. Word has length 414 [2024-11-28 05:17:08,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:08,536 INFO L471 AbstractCegarLoop]: Abstraction has 11873 states and 17014 transitions. [2024-11-28 05:17:08,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 3 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-28 05:17:08,536 INFO L276 IsEmpty]: Start isEmpty. Operand 11873 states and 17014 transitions. [2024-11-28 05:17:08,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2024-11-28 05:17:08,551 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:08,551 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:17:08,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 05:17:08,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:17:08,751 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:17:08,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:08,752 INFO L85 PathProgramCache]: Analyzing trace with hash 481012800, now seen corresponding path program 1 times [2024-11-28 05:17:08,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:08,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884957555] [2024-11-28 05:17:08,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:08,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:21,074 INFO L134 CoverageAnalysis]: Checked inductivity of 989 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 980 trivial. 0 not checked. [2024-11-28 05:17:21,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:21,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884957555] [2024-11-28 05:17:21,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884957555] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:17:21,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008355768] [2024-11-28 05:17:21,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:21,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:17:21,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:17:21,076 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:17:21,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 05:17:33,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:33,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 6114 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-28 05:17:33,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:17:34,143 INFO L134 CoverageAnalysis]: Checked inductivity of 989 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 970 trivial. 0 not checked. [2024-11-28 05:17:34,143 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:17:34,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2008355768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:34,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:17:34,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2024-11-28 05:17:34,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508857751] [2024-11-28 05:17:34,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:34,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:17:34,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:34,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:17:34,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:17:34,146 INFO L87 Difference]: Start difference. First operand 11873 states and 17014 transitions. Second operand has 7 states, 7 states have (on average 20.714285714285715) internal successors, (145), 5 states have internal predecessors, (145), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (40), 4 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-28 05:17:34,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:34,966 INFO L93 Difference]: Finished difference Result 23748 states and 34105 transitions. [2024-11-28 05:17:34,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:17:34,967 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.714285714285715) internal successors, (145), 5 states have internal predecessors, (145), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (40), 4 states have call predecessors, (40), 2 states have call successors, (40) Word has length 416 [2024-11-28 05:17:34,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:35,034 INFO L225 Difference]: With dead ends: 23748 [2024-11-28 05:17:35,034 INFO L226 Difference]: Without dead ends: 11917 [2024-11-28 05:17:35,069 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 418 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:17:35,071 INFO L435 NwaCegarLoop]: 3441 mSDtfsCounter, 0 mSDsluCounter, 17201 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20642 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:35,071 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20642 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:17:35,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11917 states. [2024-11-28 05:17:35,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11917 to 11887. [2024-11-28 05:17:35,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11887 states, 8757 states have (on average 1.3778691332648167) internal successors, (12066), 9122 states have internal predecessors, (12066), 2377 states have call successors, (2377), 753 states have call predecessors, (2377), 752 states have return successors, (2615), 2237 states have call predecessors, (2615), 2376 states have call successors, (2615) [2024-11-28 05:17:35,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11887 states to 11887 states and 17058 transitions. [2024-11-28 05:17:35,608 INFO L78 Accepts]: Start accepts. Automaton has 11887 states and 17058 transitions. Word has length 416 [2024-11-28 05:17:35,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:35,610 INFO L471 AbstractCegarLoop]: Abstraction has 11887 states and 17058 transitions. [2024-11-28 05:17:35,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.714285714285715) internal successors, (145), 5 states have internal predecessors, (145), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (40), 4 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-28 05:17:35,611 INFO L276 IsEmpty]: Start isEmpty. Operand 11887 states and 17058 transitions. [2024-11-28 05:17:35,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2024-11-28 05:17:35,627 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:35,627 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:17:35,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 05:17:35,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:17:35,828 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:17:35,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:35,829 INFO L85 PathProgramCache]: Analyzing trace with hash 388136987, now seen corresponding path program 1 times [2024-11-28 05:17:35,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:35,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597965661] [2024-11-28 05:17:35,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:35,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:46,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1014 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1011 trivial. 0 not checked. [2024-11-28 05:17:46,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:46,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597965661] [2024-11-28 05:17:46,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597965661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:46,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:46,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:17:46,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254697878] [2024-11-28 05:17:46,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:46,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:17:46,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:46,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:17:46,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:17:46,222 INFO L87 Difference]: Start difference. First operand 11887 states and 17058 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-11-28 05:17:50,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:17:51,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:51,846 INFO L93 Difference]: Finished difference Result 29100 states and 41709 transitions. [2024-11-28 05:17:51,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:17:51,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 438 [2024-11-28 05:17:51,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:51,965 INFO L225 Difference]: With dead ends: 29100 [2024-11-28 05:17:51,965 INFO L226 Difference]: Without dead ends: 17255 [2024-11-28 05:17:52,016 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 [2024-11-28 05:17:52,018 INFO L435 NwaCegarLoop]: 4934 mSDtfsCounter, 2426 mSDsluCounter, 3374 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2426 SdHoareTripleChecker+Valid, 8308 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:52,019 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2426 Valid, 8308 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 35 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-11-28 05:17:52,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17255 states. [2024-11-28 05:17:52,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17255 to 17190. [2024-11-28 05:17:52,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17190 states, 12692 states have (on average 1.3775606681374093) internal successors, (17484), 13230 states have internal predecessors, (17484), 3389 states have call successors, (3389), 1107 states have call predecessors, (3389), 1108 states have return successors, (3745), 3183 states have call predecessors, (3745), 3388 states have call successors, (3745) [2024-11-28 05:17:52,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17190 states to 17190 states and 24618 transitions. [2024-11-28 05:17:52,777 INFO L78 Accepts]: Start accepts. Automaton has 17190 states and 24618 transitions. Word has length 438 [2024-11-28 05:17:52,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:52,778 INFO L471 AbstractCegarLoop]: Abstraction has 17190 states and 24618 transitions. [2024-11-28 05:17:52,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-11-28 05:17:52,779 INFO L276 IsEmpty]: Start isEmpty. Operand 17190 states and 24618 transitions. [2024-11-28 05:17:52,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2024-11-28 05:17:52,797 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:52,797 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:17:52,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 05:17:52,798 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:17:52,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:52,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1463842557, now seen corresponding path program 1 times [2024-11-28 05:17:52,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:52,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333511243] [2024-11-28 05:17:52,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:52,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:04,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1089 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 1044 trivial. 0 not checked. [2024-11-28 05:18:04,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:04,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333511243] [2024-11-28 05:18:04,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333511243] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:18:04,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318408192] [2024-11-28 05:18:04,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:04,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:04,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:04,960 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:18:04,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 05:19:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:19:14,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 6181 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 05:19:14,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:19:14,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1089 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2024-11-28 05:19:14,847 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:19:14,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318408192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:19:14,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:19:14,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2024-11-28 05:19:14,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737987117] [2024-11-28 05:19:14,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:19:14,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:19:14,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:19:14,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:19:14,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:19:14,850 INFO L87 Difference]: Start difference. First operand 17190 states and 24618 transitions. Second operand has 6 states, 5 states have (on average 32.4) internal successors, (162), 6 states have internal predecessors, (162), 3 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2024-11-28 05:19:16,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:19:16,098 INFO L93 Difference]: Finished difference Result 34366 states and 49220 transitions. [2024-11-28 05:19:16,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:19:16,099 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 32.4) internal successors, (162), 6 states have internal predecessors, (162), 3 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 436 [2024-11-28 05:19:16,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:19:16,205 INFO L225 Difference]: With dead ends: 34366 [2024-11-28 05:19:16,205 INFO L226 Difference]: Without dead ends: 17191 [2024-11-28 05:19:16,262 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 435 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:19:16,263 INFO L435 NwaCegarLoop]: 3433 mSDtfsCounter, 4 mSDsluCounter, 13712 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 17145 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:19:16,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 17145 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 05:19:16,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17191 states. [2024-11-28 05:19:16,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17191 to 17191. [2024-11-28 05:19:16,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17191 states, 12693 states have (on average 1.3775309225557393) internal successors, (17485), 13231 states have internal predecessors, (17485), 3389 states have call successors, (3389), 1107 states have call predecessors, (3389), 1108 states have return successors, (3745), 3183 states have call predecessors, (3745), 3388 states have call successors, (3745) [2024-11-28 05:19:16,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17191 states to 17191 states and 24619 transitions. [2024-11-28 05:19:16,940 INFO L78 Accepts]: Start accepts. Automaton has 17191 states and 24619 transitions. Word has length 436 [2024-11-28 05:19:16,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:19:16,941 INFO L471 AbstractCegarLoop]: Abstraction has 17191 states and 24619 transitions. [2024-11-28 05:19:16,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 32.4) internal successors, (162), 6 states have internal predecessors, (162), 3 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2024-11-28 05:19:16,941 INFO L276 IsEmpty]: Start isEmpty. Operand 17191 states and 24619 transitions. [2024-11-28 05:19:16,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2024-11-28 05:19:16,956 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:19:16,957 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:19:17,158 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forcibly destroying the process [2024-11-28 05:19:17,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 137 [2024-11-28 05:19:17,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-28 05:19:17,292 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:19:17,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:17,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1100538539, now seen corresponding path program 1 times [2024-11-28 05:19:17,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:19:17,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589674415] [2024-11-28 05:19:17,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:19:17,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:19:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:19:28,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 3 proven. 61 refuted. 0 times theorem prover too weak. 1095 trivial. 0 not checked. [2024-11-28 05:19:28,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:19:28,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589674415] [2024-11-28 05:19:28,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589674415] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:19:28,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363778036] [2024-11-28 05:19:28,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:19:28,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:19:28,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:19:28,559 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:19:28,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 05:19:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:19:46,047 INFO L256 TraceCheckSpWp]: Trace formula consists of 6286 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 05:19:46,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:19:46,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 472 proven. 1 refuted. 0 times theorem prover too weak. 686 trivial. 0 not checked. [2024-11-28 05:19:46,661 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:19:52,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 3 proven. 61 refuted. 0 times theorem prover too weak. 1095 trivial. 0 not checked. [2024-11-28 05:19:52,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363778036] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:19:52,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:19:52,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-28 05:19:52,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166615597] [2024-11-28 05:19:52,349 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:19:52,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 05:19:52,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:19:52,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 05:19:52,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-28 05:19:52,351 INFO L87 Difference]: Start difference. First operand 17191 states and 24619 transitions. Second operand has 13 states, 11 states have (on average 20.09090909090909) internal successors, (221), 13 states have internal predecessors, (221), 4 states have call successors, (86), 2 states have call predecessors, (86), 6 states have return successors, (81), 4 states have call predecessors, (81), 4 states have call successors, (81) [2024-11-28 05:19:54,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:19:54,414 INFO L93 Difference]: Finished difference Result 34379 states and 49235 transitions. [2024-11-28 05:19:54,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 05:19:54,415 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 20.09090909090909) internal successors, (221), 13 states have internal predecessors, (221), 4 states have call successors, (86), 2 states have call predecessors, (86), 6 states have return successors, (81), 4 states have call predecessors, (81), 4 states have call successors, (81) Word has length 443 [2024-11-28 05:19:54,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:19:54,519 INFO L225 Difference]: With dead ends: 34379 [2024-11-28 05:19:54,519 INFO L226 Difference]: Without dead ends: 17203 [2024-11-28 05:19:54,579 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 895 GetRequests, 880 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2024-11-28 05:19:54,579 INFO L435 NwaCegarLoop]: 3435 mSDtfsCounter, 10 mSDsluCounter, 17154 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 20589 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:19:54,579 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 20589 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 05:19:54,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17203 states. [2024-11-28 05:19:55,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17203 to 17203. [2024-11-28 05:19:55,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17203 states, 12702 states have (on average 1.377342150842387) internal successors, (17495), 13240 states have internal predecessors, (17495), 3390 states have call successors, (3390), 1109 states have call predecessors, (3390), 1110 states have return successors, (3746), 3184 states have call predecessors, (3746), 3389 states have call successors, (3746) [2024-11-28 05:19:55,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17203 states to 17203 states and 24631 transitions. [2024-11-28 05:19:55,267 INFO L78 Accepts]: Start accepts. Automaton has 17203 states and 24631 transitions. Word has length 443 [2024-11-28 05:19:55,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:19:55,267 INFO L471 AbstractCegarLoop]: Abstraction has 17203 states and 24631 transitions. [2024-11-28 05:19:55,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 20.09090909090909) internal successors, (221), 13 states have internal predecessors, (221), 4 states have call successors, (86), 2 states have call predecessors, (86), 6 states have return successors, (81), 4 states have call predecessors, (81), 4 states have call successors, (81) [2024-11-28 05:19:55,268 INFO L276 IsEmpty]: Start isEmpty. Operand 17203 states and 24631 transitions. [2024-11-28 05:19:55,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2024-11-28 05:19:55,278 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:19:55,278 INFO L218 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:19:55,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 05:19:55,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-28 05:19:55,479 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:19:55,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:55,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1984527165, now seen corresponding path program 2 times [2024-11-28 05:19:55,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:19:55,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690501434] [2024-11-28 05:19:55,482 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:19:55,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:07,092 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:20:07,092 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:20:09,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 3 proven. 93 refuted. 0 times theorem prover too weak. 1182 trivial. 0 not checked. [2024-11-28 05:20:09,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:20:09,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690501434] [2024-11-28 05:20:09,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690501434] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:20:09,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185000319] [2024-11-28 05:20:09,241 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:20:09,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:20:09,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:09,244 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:20:09,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432c3e4a-2a2b-431f-9e12-97255f60b166/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process