./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_3f0a19fd-f3ab-4943-836b-98f42679fc7f/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0a19fd-f3ab-4943-836b-98f42679fc7f/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0a19fd-f3ab-4943-836b-98f42679fc7f/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0a19fd-f3ab-4943-836b-98f42679fc7f/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0a19fd-f3ab-4943-836b-98f42679fc7f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0a19fd-f3ab-4943-836b-98f42679fc7f/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash eaaec3cc0f5537133af92fa7cbd54bc8d5ff0f4d0c87a0d3c9d98d3d6549f9cf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:10:50,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:10:50,657 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0a19fd-f3ab-4943-836b-98f42679fc7f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:10:50,662 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:10:50,663 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:10:50,699 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:10:50,700 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:10:50,701 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:10:50,702 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:10:50,712 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:10:50,712 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:10:50,713 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:10:50,714 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:10:50,715 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:10:50,715 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:10:50,716 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:10:50,716 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:10:50,717 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:10:50,718 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:10:50,718 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:10:50,719 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:10:50,719 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:10:50,720 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:10:50,721 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:10:50,721 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:10:50,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:10:50,722 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:10:50,723 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:10:50,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:10:50,723 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:10:50,724 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:10:50,724 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:10:50,725 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:10:50,725 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:10:50,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:50,726 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:10:50,726 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:10:50,726 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:10:50,726 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:10:50,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:10:50,727 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:10:50,727 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:10:50,728 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:10:50,728 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:10:50,728 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_3f0a19fd-f3ab-4943-836b-98f42679fc7f/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0a19fd-f3ab-4943-836b-98f42679fc7f/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaaec3cc0f5537133af92fa7cbd54bc8d5ff0f4d0c87a0d3c9d98d3d6549f9cf [2023-11-23 21:10:51,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:10:51,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:10:51,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:10:51,033 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:10:51,034 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:10:51,035 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0a19fd-f3ab-4943-836b-98f42679fc7f/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2023-11-23 21:10:54,260 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:10:55,072 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:10:55,073 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0a19fd-f3ab-4943-836b-98f42679fc7f/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2023-11-23 21:10:55,158 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0a19fd-f3ab-4943-836b-98f42679fc7f/bin/utaipan-verify-mE87zJ7Ire/data/e50785ee2/0f1c4fab5b504278b77fa3dc7803d057/FLAG549be9737 [2023-11-23 21:10:55,175 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0a19fd-f3ab-4943-836b-98f42679fc7f/bin/utaipan-verify-mE87zJ7Ire/data/e50785ee2/0f1c4fab5b504278b77fa3dc7803d057 [2023-11-23 21:10:55,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:10:55,186 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:10:55,190 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:55,190 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:10:55,196 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:10:55,197 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:55" (1/1) ... [2023-11-23 21:10:55,198 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d77ed09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:55, skipping insertion in model container [2023-11-23 21:10:55,198 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:55" (1/1) ... [2023-11-23 21:10:55,466 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:10:56,752 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_3f0a19fd-f3ab-4943-836b-98f42679fc7f/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i[210460,210473] [2023-11-23 21:10:59,292 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:59,375 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:10:59,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7071] [2023-11-23 21:10:59,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7074] [2023-11-23 21:10:59,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [7076] [2023-11-23 21:10:59,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [7081] [2023-11-23 21:10:59,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [7084] [2023-11-23 21:10:59,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [7086] [2023-11-23 21:10:59,557 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [7091] [2023-11-23 21:10:59,557 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [7094] [2023-11-23 21:10:59,557 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [7096] [2023-11-23 21:10:59,558 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [7101] [2023-11-23 21:10:59,558 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [7104] [2023-11-23 21:10:59,558 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [7106] [2023-11-23 21:10:59,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7124] [2023-11-23 21:10:59,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7127] [2023-11-23 21:10:59,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [7129] [2023-11-23 21:10:59,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [7134] [2023-11-23 21:10:59,561 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [7137] [2023-11-23 21:10:59,561 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [7139] [2023-11-23 21:10:59,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [7144] [2023-11-23 21:10:59,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [7147] [2023-11-23 21:10:59,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [7149] [2023-11-23 21:10:59,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [7154] [2023-11-23 21:10:59,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [7157] [2023-11-23 21:10:59,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [7159] [2023-11-23 21:10:59,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7196] [2023-11-23 21:10:59,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7203] [2023-11-23 21:10:59,571 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_3f0a19fd-f3ab-4943-836b-98f42679fc7f/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i[210460,210473] [2023-11-23 21:10:59,654 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 *)"./arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [9223-9224] [2023-11-23 21:10:59,654 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [9229-9231] [2023-11-23 21:10:59,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [9261] [2023-11-23 21:10:59,656 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [9268] [2023-11-23 21:10:59,660 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/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [9337-9338] [2023-11-23 21:10:59,662 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/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [9366-9367] [2023-11-23 21:10:59,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [10636] [2023-11-23 21:10:59,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:00,151 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:11:00,151 WARN L675 CHandler]: The function __VERIFIER_nondet_u16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:11:00,151 WARN L675 CHandler]: The function __VERIFIER_nondet_u8 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:11:00,151 WARN L675 CHandler]: The function __VERIFIER_nondet_u32 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:11:00,152 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:11:00,163 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:11:00,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:00 WrapperNode [2023-11-23 21:11:00,165 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:00,166 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:00,168 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:11:00,168 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:11:00,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:00" (1/1) ... [2023-11-23 21:11:00,360 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:00" (1/1) ... [2023-11-23 21:11:00,704 INFO L138 Inliner]: procedures = 405, calls = 4309, calls flagged for inlining = 195, calls inlined = 169, statements flattened = 9519 [2023-11-23 21:11:00,705 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:00,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:11:00,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:11:00,707 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:11:00,718 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:00" (1/1) ... [2023-11-23 21:11:00,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:00" (1/1) ... [2023-11-23 21:11:00,903 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:00" (1/1) ... [2023-11-23 21:11:00,906 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:00" (1/1) ... [2023-11-23 21:11:01,216 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:00" (1/1) ... [2023-11-23 21:11:01,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:00" (1/1) ... [2023-11-23 21:11:01,319 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:00" (1/1) ... [2023-11-23 21:11:01,356 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:00" (1/1) ... [2023-11-23 21:11:01,428 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:11:01,429 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:11:01,429 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:11:01,430 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:11:01,430 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:00" (1/1) ... [2023-11-23 21:11:01,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:01,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0a19fd-f3ab-4943-836b-98f42679fc7f/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:11:01,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0a19fd-f3ab-4943-836b-98f42679fc7f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:11:01,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0a19fd-f3ab-4943-836b-98f42679fc7f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:11:01,502 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_ctl_blks [2023-11-23 21:11:01,502 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_ctl_blks [2023-11-23 21:11:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_ch_alloc_skb [2023-11-23 21:11:01,503 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_ch_alloc_skb [2023-11-23 21:11:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_remove_interface [2023-11-23 21:11:01,503 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_remove_interface [2023-11-23 21:11:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_txskb [2023-11-23 21:11:01,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_txskb [2023-11-23 21:11:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-23 21:11:01,504 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-23 21:11:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:11:01,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:11:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2023-11-23 21:11:01,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2023-11-23 21:11:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 21:11:01,505 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 21:11:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure get_feat_caps [2023-11-23 21:11:01,505 INFO L138 BoogieDeclarations]: Found implementation of procedure get_feat_caps [2023-11-23 21:11:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_probe [2023-11-23 21:11:01,506 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_probe [2023-11-23 21:11:01,506 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_allocate_ctl_block [2023-11-23 21:11:01,506 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_allocate_ctl_block [2023-11-23 21:11:01,507 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40_plus [2023-11-23 21:11:01,507 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40_plus [2023-11-23 21:11:01,508 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 21:11:01,508 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 21:11:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_enable_ch_int [2023-11-23 21:11:01,509 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_enable_ch_int [2023-11-23 21:11:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sta_remove [2023-11-23 21:11:01,509 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sta_remove [2023-11-23 21:11:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_start [2023-11-23 21:11:01,509 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_start [2023-11-23 21:11:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:11:01,510 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:11:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 21:11:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_pmc_enter_bmps_state [2023-11-23 21:11:01,510 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_pmc_enter_bmps_state [2023-11-23 21:11:01,511 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_ch_free_skbs [2023-11-23 21:11:01,511 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_ch_free_skbs [2023-11-23 21:11:01,511 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_configure_filter [2023-11-23 21:11:01,511 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_configure_filter [2023-11-23 21:11:01,511 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_convert_sta_to_v1 [2023-11-23 21:11:01,511 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_convert_sta_to_v1 [2023-11-23 21:11:01,511 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2023-11-23 21:11:01,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:11:01,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:11:01,512 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:11:01,512 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:11:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:11:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_stop [2023-11-23 21:11:01,513 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_stop [2023-11-23 21:11:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-23 21:11:01,513 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-23 21:11:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-23 21:11:01,514 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-23 21:11:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:11:01,514 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:11:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:11:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-23 21:11:01,515 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-23 21:11:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:11:01,515 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:11:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:11:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:11:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 21:11:01,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 21:11:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2023-11-23 21:11:01,516 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2023-11-23 21:11:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:11:01,516 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:11:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_config_sta [2023-11-23 21:11:01,517 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_config_sta [2023-11-23 21:11:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2023-11-23 21:11:01,518 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2023-11-23 21:11:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-23 21:11:01,518 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-23 21:11:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_link_st [2023-11-23 21:11:01,518 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_link_st [2023-11-23 21:11:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2023-11-23 21:11:01,519 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2023-11-23 21:11:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2023-11-23 21:11:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~u32~0~X~~u32~0~TO~int [2023-11-23 21:11:01,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~u32~0~X~~u32~0~TO~int [2023-11-23 21:11:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:11:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-23 21:11:01,520 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-23 21:11:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-23 21:11:01,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-23 21:11:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:11:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2023-11-23 21:11:01,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2023-11-23 21:11:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_config [2023-11-23 21:11:01,521 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_config [2023-11-23 21:11:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:11:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:11:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_key [2023-11-23 21:11:01,523 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_key [2023-11-23 21:11:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:11:01,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:11:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:11:01,524 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:11:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_add_interface [2023-11-23 21:11:01,525 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_add_interface [2023-11-23 21:11:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_config_bss [2023-11-23 21:11:01,525 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_config_bss [2023-11-23 21:11:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_mem_pools [2023-11-23 21:11:01,526 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_mem_pools [2023-11-23 21:11:01,526 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource_byname [2023-11-23 21:11:01,526 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource_byname [2023-11-23 21:11:01,527 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_stop [2023-11-23 21:11:01,530 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_stop [2023-11-23 21:11:01,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:11:01,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:11:01,531 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 21:11:01,531 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 21:11:01,531 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_tx [2023-11-23 21:11:01,532 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_tx [2023-11-23 21:11:01,533 INFO L130 BoogieDeclarations]: Found specification of procedure buff_to_be [2023-11-23 21:11:01,533 INFO L138 BoogieDeclarations]: Found implementation of procedure buff_to_be [2023-11-23 21:11:01,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:11:01,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:11:01,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:11:01,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:11:01,540 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_power_params [2023-11-23 21:11:01,541 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_power_params [2023-11-23 21:11:01,542 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-23 21:11:01,542 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-23 21:11:01,542 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sta_add [2023-11-23 21:11:01,542 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sta_add [2023-11-23 21:11:01,542 INFO L130 BoogieDeclarations]: Found specification of procedure get_vif_by_addr [2023-11-23 21:11:01,542 INFO L138 BoogieDeclarations]: Found implementation of procedure get_vif_by_addr [2023-11-23 21:11:01,542 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-23 21:11:01,543 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-23 21:11:01,544 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2023-11-23 21:11:01,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2023-11-23 21:11:01,544 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:11:01,544 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:11:01,544 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2023-11-23 21:11:01,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2023-11-23 21:11:01,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:11:01,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:11:01,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:11:01,545 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:11:01,545 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2023-11-23 21:11:01,545 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2023-11-23 21:11:01,545 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:11:01,545 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:11:01,545 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_stakey [2023-11-23 21:11:01,545 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_stakey [2023-11-23 21:11:01,546 INFO L130 BoogieDeclarations]: Found specification of procedure get_sta_index [2023-11-23 21:11:01,546 INFO L138 BoogieDeclarations]: Found implementation of procedure get_sta_index [2023-11-23 21:11:01,546 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_dump [2023-11-23 21:11:01,546 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_dump [2023-11-23 21:11:01,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:11:01,546 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:11:01,547 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:11:01,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:11:01,547 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_rsp_status_check [2023-11-23 21:11:01,547 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_rsp_status_check [2023-11-23 21:11:01,547 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_delete_bss [2023-11-23 21:11:01,547 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_delete_bss [2023-11-23 21:11:01,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2023-11-23 21:11:01,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2023-11-23 21:11:01,548 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40_minus [2023-11-23 21:11:01,548 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40_minus [2023-11-23 21:11:01,548 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_bss_info_changed [2023-11-23 21:11:01,548 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_bss_info_changed [2023-11-23 21:11:01,548 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_remove [2023-11-23 21:11:01,548 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_remove [2023-11-23 21:11:01,549 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-11-23 21:11:01,549 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-11-23 21:11:01,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:11:01,549 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:11:01,549 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:11:01,549 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-23 21:11:01,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-23 21:11:01,549 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_fill_skb [2023-11-23 21:11:01,550 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_fill_skb [2023-11-23 21:11:01,550 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-23 21:11:01,550 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-23 21:11:01,550 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-23 21:11:01,550 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-23 21:11:01,550 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sw_scan_complete [2023-11-23 21:11:01,550 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sw_scan_complete [2023-11-23 21:11:01,551 INFO L130 BoogieDeclarations]: Found specification of procedure is_cap_supported [2023-11-23 21:11:01,551 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cap_supported [2023-11-23 21:11:01,551 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_update_allowed_rates [2023-11-23 21:11:01,551 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_update_allowed_rates [2023-11-23 21:11:01,551 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-23 21:11:01,551 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-23 21:11:01,551 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_is_fw_version [2023-11-23 21:11:01,551 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_is_fw_version [2023-11-23 21:11:01,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 21:11:01,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 21:11:01,552 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_read_register [2023-11-23 21:11:01,552 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_read_register [2023-11-23 21:11:01,552 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_pmc_exit_bmps_state [2023-11-23 21:11:01,552 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_pmc_exit_bmps_state [2023-11-23 21:11:01,552 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-23 21:11:01,553 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-23 21:11:01,553 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sw_scan_start [2023-11-23 21:11:01,553 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sw_scan_start [2023-11-23 21:11:01,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2023-11-23 21:11:01,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2023-11-23 21:11:01,553 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:11:01,553 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:11:01,553 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2023-11-23 21:11:01,554 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2023-11-23 21:11:01,554 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_close [2023-11-23 21:11:01,554 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_close [2023-11-23 21:11:01,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:11:01,554 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-23 21:11:01,554 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-23 21:11:01,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:11:01,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:11:01,555 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_resume [2023-11-23 21:11:01,555 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_resume [2023-11-23 21:11:01,555 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_rts_threshold [2023-11-23 21:11:01,555 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_rts_threshold [2023-11-23 21:11:01,555 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_sta_params [2023-11-23 21:11:01,555 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_sta_params [2023-11-23 21:11:01,555 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_ampdu_action [2023-11-23 21:11:01,556 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_ampdu_action [2023-11-23 21:11:01,556 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_init_descs [2023-11-23 21:11:01,556 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_init_descs [2023-11-23 21:11:01,556 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2023-11-23 21:11:01,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2023-11-23 21:11:01,556 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-23 21:11:01,556 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-23 21:11:01,557 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-23 21:11:01,557 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-23 21:11:01,557 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_write_register [2023-11-23 21:11:01,557 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_write_register [2023-11-23 21:11:01,557 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_tx_pdu [2023-11-23 21:11:01,557 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_tx_pdu [2023-11-23 21:11:01,557 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_suspend [2023-11-23 21:11:01,558 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_suspend [2023-11-23 21:11:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_add_ba_session [2023-11-23 21:11:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_add_ba_session [2023-11-23 21:11:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_send_and_wait [2023-11-23 21:11:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_send_and_wait [2023-11-23 21:11:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_init_tx_bd [2023-11-23 21:11:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_init_tx_bd [2023-11-23 21:11:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_ctl_block [2023-11-23 21:11:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_ctl_block [2023-11-23 21:11:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-23 21:11:01,564 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-23 21:11:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2023-11-23 21:11:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2023-11-23 21:11:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_bool_bmps [2023-11-23 21:11:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_bool_bmps [2023-11-23 21:11:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-23 21:11:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-23 21:11:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:11:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2023-11-23 21:11:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2023-11-23 21:11:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2023-11-23 21:11:02,804 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:11:02,809 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:11:04,089 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:11:21,629 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:11:25,216 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:11:25,216 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 21:11:25,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:25 BoogieIcfgContainer [2023-11-23 21:11:25,220 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:11:25,222 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:11:25,223 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:11:25,226 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:11:25,226 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:10:55" (1/3) ... [2023-11-23 21:11:25,227 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78666508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:25, skipping insertion in model container [2023-11-23 21:11:25,227 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:00" (2/3) ... [2023-11-23 21:11:25,228 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78666508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:25, skipping insertion in model container [2023-11-23 21:11:25,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:25" (3/3) ... [2023-11-23 21:11:25,229 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2023-11-23 21:11:25,251 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:11:25,252 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:11:25,355 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:11:25,362 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=FINITE_AUTOMATA, 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;@256d9aa8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:11:25,362 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:11:25,378 INFO L276 IsEmpty]: Start isEmpty. Operand has 2628 states, 1640 states have (on average 1.300609756097561) internal successors, (2133), 1665 states have internal predecessors, (2133), 869 states have call successors, (869), 118 states have call predecessors, (869), 117 states have return successors, (863), 863 states have call predecessors, (863), 863 states have call successors, (863) [2023-11-23 21:11:25,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-23 21:11:25,396 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:25,397 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:11:25,397 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:11:25,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:25,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1939769331, now seen corresponding path program 1 times [2023-11-23 21:11:25,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:11:25,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453375289] [2023-11-23 21:11:25,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:25,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:11:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:11:27,088 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-11-23 21:11:27,089 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:11:27,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453375289] [2023-11-23 21:11:27,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453375289] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:11:27,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:11:27,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:11:27,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322271694] [2023-11-23 21:11:27,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:11:27,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:11:27,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:11:27,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:11:27,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:11:27,155 INFO L87 Difference]: Start difference. First operand has 2628 states, 1640 states have (on average 1.300609756097561) internal successors, (2133), 1665 states have internal predecessors, (2133), 869 states have call successors, (869), 118 states have call predecessors, (869), 117 states have return successors, (863), 863 states have call predecessors, (863), 863 states have call successors, (863) Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-23 21:11:32,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:36,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:38,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:40,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []