./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc49127-9cc1-4da8-bcb8-aa4a76c8a8bf/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc49127-9cc1-4da8-bcb8-aa4a76c8a8bf/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc49127-9cc1-4da8-bcb8-aa4a76c8a8bf/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc49127-9cc1-4da8-bcb8-aa4a76c8a8bf/bin/uautomizer-verify-uCwYo4JHxu/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_ffc49127-9cc1-4da8-bcb8-aa4a76c8a8bf/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc49127-9cc1-4da8-bcb8-aa4a76c8a8bf/bin/uautomizer-verify-uCwYo4JHxu --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 7918e78c7fa8e57a6cd382ed800c3c73f2f498c616ea3e9ed6a8775509cf80ff --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:47:23,376 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:47:23,446 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc49127-9cc1-4da8-bcb8-aa4a76c8a8bf/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:47:23,452 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:47:23,452 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:47:23,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:47:23,482 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:47:23,483 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:47:23,484 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:47:23,484 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:47:23,485 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:47:23,486 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:47:23,487 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:47:23,487 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:47:23,488 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:47:23,489 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:47:23,489 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:47:23,490 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:47:23,490 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:47:23,491 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:47:23,491 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:47:23,492 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:47:23,492 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:47:23,493 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:47:23,493 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:47:23,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:23,494 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:47:23,495 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:47:23,495 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:47:23,496 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:47:23,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:47:23,497 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:47:23,497 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:47:23,498 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:47:23,498 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:47:23,498 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:47:23,499 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc49127-9cc1-4da8-bcb8-aa4a76c8a8bf/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc49127-9cc1-4da8-bcb8-aa4a76c8a8bf/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7918e78c7fa8e57a6cd382ed800c3c73f2f498c616ea3e9ed6a8775509cf80ff [2023-11-19 07:47:23,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:47:23,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:47:23,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:47:23,874 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:47:23,875 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:47:23,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc49127-9cc1-4da8-bcb8-aa4a76c8a8bf/bin/uautomizer-verify-uCwYo4JHxu/../../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 [2023-11-19 07:47:26,966 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:47:27,688 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:47:27,689 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc49127-9cc1-4da8-bcb8-aa4a76c8a8bf/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 [2023-11-19 07:47:27,745 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc49127-9cc1-4da8-bcb8-aa4a76c8a8bf/bin/uautomizer-verify-uCwYo4JHxu/data/b16489a65/3e4bb0f534bd4eb2ab153e36c0955db7/FLAG04ec087b9 [2023-11-19 07:47:27,760 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc49127-9cc1-4da8-bcb8-aa4a76c8a8bf/bin/uautomizer-verify-uCwYo4JHxu/data/b16489a65/3e4bb0f534bd4eb2ab153e36c0955db7 [2023-11-19 07:47:27,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:47:27,764 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:47:27,766 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:27,766 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:47:27,784 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:47:27,785 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:27" (1/1) ... [2023-11-19 07:47:27,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f3a634e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:27, skipping insertion in model container [2023-11-19 07:47:27,786 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:27" (1/1) ... [2023-11-19 07:47:28,013 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:47:30,731 WARN L240 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_ffc49127-9cc1-4da8-bcb8-aa4a76c8a8bf/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] [2023-11-19 07:47:30,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:30,866 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:47:31,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6154] [2023-11-19 07:47:31,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6156] [2023-11-19 07:47:31,059 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; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6166] [2023-11-19 07:47:31,059 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] [2023-11-19 07:47:31,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6351] [2023-11-19 07:47:31,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6354] [2023-11-19 07:47:31,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6357] [2023-11-19 07:47:31,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6360] [2023-11-19 07:47:31,067 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] [2023-11-19 07:47:31,067 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] [2023-11-19 07:47:31,068 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] [2023-11-19 07:47:31,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [6449] [2023-11-19 07:47:31,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [6452] [2023-11-19 07:47:31,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [6454] [2023-11-19 07:47:31,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [6459] [2023-11-19 07:47:31,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [6462] [2023-11-19 07:47:31,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [6464] [2023-11-19 07:47:31,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [6469] [2023-11-19 07:47:31,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [6472] [2023-11-19 07:47:31,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [6474] [2023-11-19 07:47:31,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [6479] [2023-11-19 07:47:31,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [6482] [2023-11-19 07:47:31,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [6484] [2023-11-19 07:47:31,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [6502] [2023-11-19 07:47:31,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [6505] [2023-11-19 07:47:31,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [6507] [2023-11-19 07:47:31,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [6512] [2023-11-19 07:47:31,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [6515] [2023-11-19 07:47:31,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [6517] [2023-11-19 07:47:31,077 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [6522] [2023-11-19 07:47:31,077 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [6525] [2023-11-19 07:47:31,077 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [6527] [2023-11-19 07:47:31,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [6532] [2023-11-19 07:47:31,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [6535] [2023-11-19 07:47:31,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [6537] [2023-11-19 07:47:31,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6617] [2023-11-19 07:47:31,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6624] [2023-11-19 07:47:31,091 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] [2023-11-19 07:47:31,102 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] [2023-11-19 07:47:31,115 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] [2023-11-19 07:47:31,120 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] [2023-11-19 07:47:31,121 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] [2023-11-19 07:47:31,121 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] [2023-11-19 07:47:31,121 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] [2023-11-19 07:47:31,123 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] [2023-11-19 07:47:31,123 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] [2023-11-19 07:47:31,124 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] [2023-11-19 07:47:31,124 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] [2023-11-19 07:47:31,136 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] [2023-11-19 07:47:31,140 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] [2023-11-19 07:47:31,141 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] [2023-11-19 07:47:31,144 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] [2023-11-19 07:47:31,144 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] [2023-11-19 07:47:31,145 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] [2023-11-19 07:47:31,146 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] [2023-11-19 07:47:31,146 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] [2023-11-19 07:47:31,147 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] [2023-11-19 07:47:31,147 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] [2023-11-19 07:47:31,149 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] [2023-11-19 07:47:31,149 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] [2023-11-19 07:47:31,150 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] [2023-11-19 07:47:31,150 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] [2023-11-19 07:47:31,153 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] [2023-11-19 07:47:31,154 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] [2023-11-19 07:47:31,154 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] [2023-11-19 07:47:31,155 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] [2023-11-19 07:47:31,156 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] [2023-11-19 07:47:31,158 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] [2023-11-19 07:47:31,164 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] [2023-11-19 07:47:31,167 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] [2023-11-19 07:47:31,168 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] [2023-11-19 07:47:31,169 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] [2023-11-19 07:47:31,169 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] [2023-11-19 07:47:31,169 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] [2023-11-19 07:47:31,169 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] [2023-11-19 07:47:31,170 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] [2023-11-19 07:47:31,171 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] [2023-11-19 07:47:31,371 WARN L240 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_ffc49127-9cc1-4da8-bcb8-aa4a76c8a8bf/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] [2023-11-19 07:47:31,390 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:31,564 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:31,565 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:31,565 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:31,573 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:47:31,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:31 WrapperNode [2023-11-19 07:47:31,573 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:31,575 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:31,575 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:47:31,575 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:47:31,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:31" (1/1) ... [2023-11-19 07:47:31,708 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:31" (1/1) ... [2023-11-19 07:47:32,052 INFO L138 Inliner]: procedures = 336, calls = 2319, calls flagged for inlining = 156, calls inlined = 154, statements flattened = 6333 [2023-11-19 07:47:32,059 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:32,060 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:47:32,060 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:47:32,061 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:47:32,070 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:31" (1/1) ... [2023-11-19 07:47:32,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:31" (1/1) ... [2023-11-19 07:47:32,138 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:31" (1/1) ... [2023-11-19 07:47:32,140 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:31" (1/1) ... [2023-11-19 07:47:32,317 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:31" (1/1) ... [2023-11-19 07:47:32,360 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:31" (1/1) ... [2023-11-19 07:47:32,392 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:31" (1/1) ... [2023-11-19 07:47:32,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:31" (1/1) ... [2023-11-19 07:47:32,481 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:47:32,483 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:47:32,483 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:47:32,483 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:47:32,485 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:31" (1/1) ... [2023-11-19 07:47:32,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:32,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc49127-9cc1-4da8-bcb8-aa4a76c8a8bf/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:32,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc49127-9cc1-4da8-bcb8-aa4a76c8a8bf/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:32,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc49127-9cc1-4da8-bcb8-aa4a76c8a8bf/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:47:32,575 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2023-11-19 07:47:32,575 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2023-11-19 07:47:32,575 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-19 07:47:32,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-19 07:47:32,576 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2023-11-19 07:47:32,576 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2023-11-19 07:47:32,576 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2023-11-19 07:47:32,576 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2023-11-19 07:47:32,576 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-19 07:47:32,577 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2023-11-19 07:47:32,577 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2023-11-19 07:47:32,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:47:32,577 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-11-19 07:47:32,577 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-11-19 07:47:32,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:47:32,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:47:32,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:47:32,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:47:32,578 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:47:32,578 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-11-19 07:47:32,579 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-11-19 07:47:32,579 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-11-19 07:47:32,579 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-11-19 07:47:32,579 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2023-11-19 07:47:32,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2023-11-19 07:47:32,579 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2023-11-19 07:47:32,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2023-11-19 07:47:32,580 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2023-11-19 07:47:32,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2023-11-19 07:47:32,580 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2023-11-19 07:47:32,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2023-11-19 07:47:32,581 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 07:47:32,581 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 07:47:32,581 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-19 07:47:32,581 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-19 07:47:32,581 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 07:47:32,582 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 07:47:32,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 07:47:32,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 07:47:32,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:47:32,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:47:32,583 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2023-11-19 07:47:32,583 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2023-11-19 07:47:32,583 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_destroy [2023-11-19 07:47:32,583 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_destroy [2023-11-19 07:47:32,583 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2023-11-19 07:47:32,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2023-11-19 07:47:32,584 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2023-11-19 07:47:32,584 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2023-11-19 07:47:32,584 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 07:47:32,584 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 07:47:32,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:47:32,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:47:32,585 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2023-11-19 07:47:32,585 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2023-11-19 07:47:32,585 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 07:47:32,585 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 07:47:32,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:47:32,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:47:32,586 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2023-11-19 07:47:32,586 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2023-11-19 07:47:32,586 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:47:32,586 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:47:32,587 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 07:47:32,587 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 07:47:32,587 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-19 07:47:32,587 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-19 07:47:32,587 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:47:32,588 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:47:32,588 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2023-11-19 07:47:32,588 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2023-11-19 07:47:32,588 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2023-11-19 07:47:32,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2023-11-19 07:47:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 07:47:32,589 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 07:47:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2023-11-19 07:47:32,589 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2023-11-19 07:47:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:47:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 07:47:32,590 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 07:47:32,590 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 07:47:32,590 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2023-11-19 07:47:32,590 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2023-11-19 07:47:32,590 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2023-11-19 07:47:32,591 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2023-11-19 07:47:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_create [2023-11-19 07:47:32,591 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_create [2023-11-19 07:47:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:47:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_get_stats64 [2023-11-19 07:47:32,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_get_stats64 [2023-11-19 07:47:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-11-19 07:47:32,592 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-11-19 07:47:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-19 07:47:32,592 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-19 07:47:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_send_frame [2023-11-19 07:47:32,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_send_frame [2023-11-19 07:47:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 07:47:32,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 07:47:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 07:47:32,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 07:47:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:47:32,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:47:32,594 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_error [2023-11-19 07:47:32,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_error [2023-11-19 07:47:32,594 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2023-11-19 07:47:32,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2023-11-19 07:47:32,595 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:47:32,595 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:47:32,595 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-19 07:47:32,595 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-19 07:47:32,595 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-19 07:47:32,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-19 07:47:32,596 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 07:47:32,596 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 07:47:32,596 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 07:47:32,596 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 07:47:32,596 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-19 07:47:32,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-19 07:47:32,597 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2023-11-19 07:47:32,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2023-11-19 07:47:32,597 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 07:47:32,597 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 07:47:32,597 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 07:47:32,598 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 07:47:32,598 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 07:47:32,598 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 07:47:32,598 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2023-11-19 07:47:32,598 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2023-11-19 07:47:32,598 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2023-11-19 07:47:32,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2023-11-19 07:47:32,599 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 07:47:32,599 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 07:47:32,599 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-19 07:47:32,599 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-19 07:47:32,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:47:32,600 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2023-11-19 07:47:32,600 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2023-11-19 07:47:32,600 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 07:47:32,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 07:47:32,600 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2023-11-19 07:47:32,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2023-11-19 07:47:32,601 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_net_ioctl [2023-11-19 07:47:32,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_net_ioctl [2023-11-19 07:47:32,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:47:32,601 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2023-11-19 07:47:32,601 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2023-11-19 07:47:32,601 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-19 07:47:32,602 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-19 07:47:32,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:47:32,602 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 07:47:32,602 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 07:47:32,602 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2023-11-19 07:47:32,602 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2023-11-19 07:47:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2023-11-19 07:47:32,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2023-11-19 07:47:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2023-11-19 07:47:32,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2023-11-19 07:47:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2023-11-19 07:47:32,604 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2023-11-19 07:47:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:47:32,604 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:47:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2023-11-19 07:47:32,604 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2023-11-19 07:47:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_do_recv [2023-11-19 07:47:32,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_do_recv [2023-11-19 07:47:32,605 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2023-11-19 07:47:32,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2023-11-19 07:47:32,605 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2023-11-19 07:47:32,605 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2023-11-19 07:47:32,605 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-19 07:47:32,606 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-19 07:47:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 07:47:32,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 07:47:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2023-11-19 07:47:32,606 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2023-11-19 07:47:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2023-11-19 07:47:32,607 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2023-11-19 07:47:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_39 [2023-11-19 07:47:32,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_39 [2023-11-19 07:47:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:47:32,608 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:47:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2023-11-19 07:47:32,608 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2023-11-19 07:47:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_nonmp_frame [2023-11-19 07:47:32,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_nonmp_frame [2023-11-19 07:47:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2023-11-19 07:47:32,609 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2023-11-19 07:47:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:47:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-19 07:47:32,609 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-19 07:47:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-19 07:47:32,610 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-19 07:47:32,610 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-19 07:47:32,610 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-19 07:47:32,610 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_write [2023-11-19 07:47:32,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_write [2023-11-19 07:47:32,611 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-19 07:47:32,611 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-19 07:47:32,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:47:32,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:47:32,611 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-11-19 07:47:32,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-11-19 07:47:32,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 07:47:32,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 07:47:32,612 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2023-11-19 07:47:32,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2023-11-19 07:47:32,612 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2023-11-19 07:47:32,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2023-11-19 07:47:32,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:47:32,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 07:47:32,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 07:47:32,613 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-19 07:47:32,613 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-19 07:47:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-19 07:47:32,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-19 07:47:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:47:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-19 07:47:32,614 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-19 07:47:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:47:32,615 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-19 07:47:32,615 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-19 07:47:32,615 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 07:47:32,615 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2023-11-19 07:47:32,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2023-11-19 07:47:32,615 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:47:32,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:47:32,616 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-11-19 07:47:32,616 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-11-19 07:47:32,616 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2023-11-19 07:47:32,616 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2023-11-19 07:47:32,617 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2023-11-19 07:47:32,617 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2023-11-19 07:47:32,617 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-19 07:47:32,617 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-19 07:47:32,617 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-19 07:47:32,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-19 07:47:32,618 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 07:47:32,618 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 07:47:32,618 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2023-11-19 07:47:32,618 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2023-11-19 07:47:32,618 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-19 07:47:32,618 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-19 07:47:32,619 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2023-11-19 07:47:32,619 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2023-11-19 07:47:32,619 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 07:47:32,619 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 07:47:32,619 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_net_channel [2023-11-19 07:47:32,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_net_channel [2023-11-19 07:47:32,620 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 07:47:32,620 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 07:47:32,620 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_explode [2023-11-19 07:47:32,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_explode [2023-11-19 07:47:32,620 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2023-11-19 07:47:32,621 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2023-11-19 07:47:32,621 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:47:32,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:47:32,621 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2023-11-19 07:47:32,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2023-11-19 07:47:32,621 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2023-11-19 07:47:32,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2023-11-19 07:47:32,622 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2023-11-19 07:47:32,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2023-11-19 07:47:32,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:47:32,622 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2023-11-19 07:47:32,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2023-11-19 07:47:32,623 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 07:47:32,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 07:47:32,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:47:32,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:47:32,623 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-19 07:47:32,623 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-19 07:47:32,624 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 07:47:32,624 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 07:47:33,582 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:47:33,587 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:47:34,084 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:47:39,207 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:47:39,231 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:47:39,231 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:47:39,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:39 BoogieIcfgContainer [2023-11-19 07:47:39,249 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:47:39,251 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:47:39,251 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:47:39,255 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:47:39,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:47:27" (1/3) ... [2023-11-19 07:47:39,256 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72eb2380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:39, skipping insertion in model container [2023-11-19 07:47:39,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:31" (2/3) ... [2023-11-19 07:47:39,256 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72eb2380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:39, skipping insertion in model container [2023-11-19 07:47:39,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:39" (3/3) ... [2023-11-19 07:47:39,258 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2023-11-19 07:47:39,278 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:47:39,278 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:47:39,378 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:47:39,385 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@753f439e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:47:39,386 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:47:39,399 INFO L276 IsEmpty]: Start isEmpty. Operand has 2349 states, 1676 states have (on average 1.4009546539379476) internal successors, (2348), 1745 states have internal predecessors, (2348), 545 states have call successors, (545), 127 states have call predecessors, (545), 126 states have return successors, (540), 520 states have call predecessors, (540), 540 states have call successors, (540) [2023-11-19 07:47:39,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-11-19 07:47:39,423 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:39,424 INFO L195 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] [2023-11-19 07:47:39,425 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:39,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:39,431 INFO L85 PathProgramCache]: Analyzing trace with hash -809627921, now seen corresponding path program 1 times [2023-11-19 07:47:39,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:39,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056267921] [2023-11-19 07:47:39,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:39,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:47:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:47:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:47:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:47:40,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:47:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:47:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:47:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:47:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:47:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:47:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 07:47:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:47:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-19 07:47:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:47:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-19 07:47:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:47:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-19 07:47:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-19 07:47:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-19 07:47:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-19 07:47:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:41,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:41,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-19 07:47:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:41,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:41,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-19 07:47:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:41,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:41,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-11-19 07:47:41,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:41,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:41,132 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2023-11-19 07:47:41,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:41,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056267921] [2023-11-19 07:47:41,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056267921] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:41,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:41,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:47:41,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454593406] [2023-11-19 07:47:41,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:41,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:47:41,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:41,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:47:41,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:47:41,209 INFO L87 Difference]: Start difference. First operand has 2349 states, 1676 states have (on average 1.4009546539379476) internal successors, (2348), 1745 states have internal predecessors, (2348), 545 states have call successors, (545), 127 states have call predecessors, (545), 126 states have return successors, (540), 520 states have call predecessors, (540), 540 states have call successors, (540) Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-19 07:47:48,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:48,459 INFO L93 Difference]: Finished difference Result 5350 states and 8143 transitions. [2023-11-19 07:47:48,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:47:48,462 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 226 [2023-11-19 07:47:48,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:48,511 INFO L225 Difference]: With dead ends: 5350 [2023-11-19 07:47:48,511 INFO L226 Difference]: Without dead ends: 2974 [2023-11-19 07:47:48,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:47:48,538 INFO L413 NwaCegarLoop]: 2815 mSDtfsCounter, 3856 mSDsluCounter, 1807 mSDsCounter, 0 mSdLazyCounter, 1885 mSolverCounterSat, 2413 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3978 SdHoareTripleChecker+Valid, 4622 SdHoareTripleChecker+Invalid, 4298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2413 IncrementalHoareTripleChecker+Valid, 1885 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:48,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3978 Valid, 4622 Invalid, 4298 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2413 Valid, 1885 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2023-11-19 07:47:48,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2974 states. [2023-11-19 07:47:48,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2974 to 2317. [2023-11-19 07:47:48,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2317 states, 1657 states have (on average 1.391671695835848) internal successors, (2306), 1719 states have internal predecessors, (2306), 534 states have call successors, (534), 126 states have call predecessors, (534), 125 states have return successors, (533), 513 states have call predecessors, (533), 533 states have call successors, (533) [2023-11-19 07:47:48,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2317 states to 2317 states and 3373 transitions. [2023-11-19 07:47:48,924 INFO L78 Accepts]: Start accepts. Automaton has 2317 states and 3373 transitions. Word has length 226 [2023-11-19 07:47:48,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:48,925 INFO L495 AbstractCegarLoop]: Abstraction has 2317 states and 3373 transitions. [2023-11-19 07:47:48,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-19 07:47:48,925 INFO L276 IsEmpty]: Start isEmpty. Operand 2317 states and 3373 transitions. [2023-11-19 07:47:48,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-11-19 07:47:48,939 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:48,940 INFO L195 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] [2023-11-19 07:47:48,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:47:48,940 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:48,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:48,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1247702273, now seen corresponding path program 1 times [2023-11-19 07:47:48,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:48,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362553758] [2023-11-19 07:47:48,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:48,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:47:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:47:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:47:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:47:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:47:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:47:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:47:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:49,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:47:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:47:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:47:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 07:47:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:49,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:47:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-19 07:47:49,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:47:49,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-19 07:47:49,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:47:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-19 07:47:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-19 07:47:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-19 07:47:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-19 07:47:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-19 07:47:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-19 07:47:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-11-19 07:47:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,817 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2023-11-19 07:47:49,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:49,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362553758] [2023-11-19 07:47:49,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362553758] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:49,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:49,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:47:49,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864156260] [2023-11-19 07:47:49,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:49,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:47:49,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:49,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:47:49,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:47:49,822 INFO L87 Difference]: Start difference. First operand 2317 states and 3373 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-19 07:48:01,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:01,899 INFO L93 Difference]: Finished difference Result 7441 states and 11087 transitions. [2023-11-19 07:48:01,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:48:01,901 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (22), 5 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 [2023-11-19 07:48:01,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:01,950 INFO L225 Difference]: With dead ends: 7441 [2023-11-19 07:48:01,950 INFO L226 Difference]: Without dead ends: 5162 [2023-11-19 07:48:01,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:48:01,964 INFO L413 NwaCegarLoop]: 3008 mSDtfsCounter, 7357 mSDsluCounter, 5535 mSDsCounter, 0 mSdLazyCounter, 4151 mSolverCounterSat, 2937 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7692 SdHoareTripleChecker+Valid, 8543 SdHoareTripleChecker+Invalid, 7088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2937 IncrementalHoareTripleChecker+Valid, 4151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:01,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7692 Valid, 8543 Invalid, 7088 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2937 Valid, 4151 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2023-11-19 07:48:01,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5162 states. [2023-11-19 07:48:02,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5162 to 3930. [2023-11-19 07:48:02,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3930 states, 2822 states have (on average 1.390148830616584) internal successors, (3923), 2933 states have internal predecessors, (3923), 873 states have call successors, (873), 235 states have call predecessors, (873), 234 states have return successors, (872), 834 states have call predecessors, (872), 872 states have call successors, (872) [2023-11-19 07:48:02,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3930 states to 3930 states and 5668 transitions. [2023-11-19 07:48:02,281 INFO L78 Accepts]: Start accepts. Automaton has 3930 states and 5668 transitions. Word has length 226 [2023-11-19 07:48:02,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:02,285 INFO L495 AbstractCegarLoop]: Abstraction has 3930 states and 5668 transitions. [2023-11-19 07:48:02,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-19 07:48:02,286 INFO L276 IsEmpty]: Start isEmpty. Operand 3930 states and 5668 transitions. [2023-11-19 07:48:02,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2023-11-19 07:48:02,294 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:02,294 INFO L195 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] [2023-11-19 07:48:02,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:48:02,295 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:48:02,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:02,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1055132098, now seen corresponding path program 1 times [2023-11-19 07:48:02,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:02,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90659264] [2023-11-19 07:48:02,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:02,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:48:02,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:48:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:48:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:48:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:02,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:48:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 07:48:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-19 07:48:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-19 07:48:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-19 07:48:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-19 07:48:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-19 07:48:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-19 07:48:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:03,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:03,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-19 07:48:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:03,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:03,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-19 07:48:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:03,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:03,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-11-19 07:48:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:03,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:03,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-11-19 07:48:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:03,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-11-19 07:48:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:03,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-11-19 07:48:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:03,110 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2023-11-19 07:48:03,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:03,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90659264] [2023-11-19 07:48:03,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90659264] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:03,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:03,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:48:03,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12439813] [2023-11-19 07:48:03,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:03,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:48:03,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:03,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:48:03,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:48:03,114 INFO L87 Difference]: Start difference. First operand 3930 states and 5668 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21)