./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--wireless--hostap--hostap.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17226f88-8e93-4c34-a5d6-2cc3a875f168/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17226f88-8e93-4c34-a5d6-2cc3a875f168/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_17226f88-8e93-4c34-a5d6-2cc3a875f168/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17226f88-8e93-4c34-a5d6-2cc3a875f168/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--wireless--hostap--hostap.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17226f88-8e93-4c34-a5d6-2cc3a875f168/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_17226f88-8e93-4c34-a5d6-2cc3a875f168/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 f21c7f36186f2129ffc494c3ea005fd20ba865adeabaea67c7a3542b6449e976 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:12:26,399 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:12:26,471 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17226f88-8e93-4c34-a5d6-2cc3a875f168/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:12:26,477 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:12:26,478 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:12:26,509 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:12:26,510 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:12:26,510 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:12:26,511 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:12:26,512 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:12:26,512 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:12:26,513 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:12:26,513 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:12:26,514 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:12:26,514 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:12:26,515 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:12:26,515 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:12:26,516 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:12:26,516 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:12:26,517 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:12:26,517 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:12:26,518 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:12:26,519 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:12:26,520 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:12:26,520 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:12:26,521 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:12:26,521 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:12:26,522 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:12:26,522 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:12:26,523 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:12:26,523 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:12:26,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:12:26,525 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:12:26,525 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:12:26,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:26,526 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:12:26,527 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:12:26,527 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:12:26,528 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:12:26,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:12:26,529 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:12:26,530 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:12:26,530 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:12:26,531 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:12:26,531 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_17226f88-8e93-4c34-a5d6-2cc3a875f168/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17226f88-8e93-4c34-a5d6-2cc3a875f168/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f21c7f36186f2129ffc494c3ea005fd20ba865adeabaea67c7a3542b6449e976 [2023-11-23 21:12:26,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:12:26,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:12:26,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:12:26,834 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:12:26,834 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:12:26,836 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17226f88-8e93-4c34-a5d6-2cc3a875f168/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--wireless--hostap--hostap.ko-main.cil.out.i [2023-11-23 21:12:29,986 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:12:30,871 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:12:30,871 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17226f88-8e93-4c34-a5d6-2cc3a875f168/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--wireless--hostap--hostap.ko-main.cil.out.i [2023-11-23 21:12:30,949 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17226f88-8e93-4c34-a5d6-2cc3a875f168/bin/utaipan-verify-mE87zJ7Ire/data/0bbac6a57/59ce43ece7424e4cb480b3110f7d99af/FLAGfbf484a53 [2023-11-23 21:12:30,969 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17226f88-8e93-4c34-a5d6-2cc3a875f168/bin/utaipan-verify-mE87zJ7Ire/data/0bbac6a57/59ce43ece7424e4cb480b3110f7d99af [2023-11-23 21:12:30,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:12:30,973 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:12:30,979 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:30,979 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:12:30,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:12:30,988 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:30" (1/1) ... [2023-11-23 21:12:30,989 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2136e9ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:30, skipping insertion in model container [2023-11-23 21:12:30,989 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:30" (1/1) ... [2023-11-23 21:12:31,313 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:12:37,402 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_17226f88-8e93-4c34-a5d6-2cc3a875f168/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--wireless--hostap--hostap.ko-main.cil.out.i[608636,608649] [2023-11-23 21:12:37,560 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:37,645 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:12:37,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5581] [2023-11-23 21:12:37,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [5588] [2023-11-23 21:12:37,799 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)); [5638] [2023-11-23 21:12:37,800 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)); [5645] [2023-11-23 21:12:38,420 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"); [12238] [2023-11-23 21:12:38,421 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [12245-12246] [2023-11-23 21:12:38,518 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)); [12875-12876] [2023-11-23 21:12:38,519 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [12889] [2023-11-23 21:12:38,519 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [12892] [2023-11-23 21:12:38,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [12895] [2023-11-23 21:12:38,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [12898] [2023-11-23 21:12:38,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [12929] [2023-11-23 21:12:38,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [12932] [2023-11-23 21:12:38,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [12935] [2023-11-23 21:12:38,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [12938] [2023-11-23 21:12:38,991 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___19->state): : "memory", "cc"); [15783-15784] [2023-11-23 21:12:38,991 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___20->state): : "memory", "cc"); [15788-15789] [2023-11-23 21:12:38,992 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___21->state): : "memory", "cc"); [15793-15794] [2023-11-23 21:12:38,992 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___22->state): : "memory", "cc"); [15798-15799] [2023-11-23 21:12:38,993 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___25->state): : "memory", "cc"); [15816-15817] [2023-11-23 21:12:38,993 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___26->state): : "memory", "cc"); [15821-15822] [2023-11-23 21:12:38,993 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___27->state): : "memory", "cc"); [15826-15827] [2023-11-23 21:12:38,994 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___28->state): : "memory", "cc"); [15831-15832] [2023-11-23 21:12:39,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [17658] [2023-11-23 21:12:39,435 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_17226f88-8e93-4c34-a5d6-2cc3a875f168/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--wireless--hostap--hostap.ko-main.cil.out.i[608636,608649] [2023-11-23 21:12:39,450 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:39,768 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:39,768 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:39,768 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:39,769 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:39,769 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:39,777 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:12:39,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:39 WrapperNode [2023-11-23 21:12:39,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:39,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:39,780 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:12:39,780 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:12:39,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:39" (1/1) ... [2023-11-23 21:12:40,066 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:39" (1/1) ... [2023-11-23 21:12:40,424 INFO L138 Inliner]: procedures = 551, calls = 8921, calls flagged for inlining = 191, calls inlined = 112, statements flattened = 9352 [2023-11-23 21:12:40,425 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:40,426 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:12:40,426 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:12:40,426 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:12:40,444 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:39" (1/1) ... [2023-11-23 21:12:40,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:39" (1/1) ... [2023-11-23 21:12:40,501 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:39" (1/1) ... [2023-11-23 21:12:40,501 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:39" (1/1) ... [2023-11-23 21:12:40,665 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:39" (1/1) ... [2023-11-23 21:12:40,704 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:39" (1/1) ... [2023-11-23 21:12:40,781 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:39" (1/1) ... [2023-11-23 21:12:40,822 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:39" (1/1) ... [2023-11-23 21:12:40,887 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:12:40,889 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:12:40,889 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:12:40,889 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:12:40,890 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:39" (1/1) ... [2023-11-23 21:12:40,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:40,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17226f88-8e93-4c34-a5d6-2cc3a875f168/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:12:40,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17226f88-8e93-4c34-a5d6-2cc3a875f168/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:12:41,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17226f88-8e93-4c34-a5d6-2cc3a875f168/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:12:41,096 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_remove_interface [2023-11-23 21:12:41,097 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_remove_interface [2023-11-23 21:12:41,097 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_ioctl_siwmode [2023-11-23 21:12:41,097 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_ioctl_siwmode [2023-11-23 21:12:41,097 INFO L130 BoogieDeclarations]: Found specification of procedure dev_queue_xmit [2023-11-23 21:12:41,097 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_queue_xmit [2023-11-23 21:12:41,098 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-11-23 21:12:41,098 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-11-23 21:12:41,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:12:41,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:12:41,098 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_80211_get_hdrlen [2023-11-23 21:12:41,098 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_80211_get_hdrlen [2023-11-23 21:12:41,098 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~X~int~TO~int [2023-11-23 21:12:41,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~X~int~TO~int [2023-11-23 21:12:41,099 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_event_new_sta [2023-11-23 21:12:41,099 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_event_new_sta [2023-11-23 21:12:41,099 INFO L130 BoogieDeclarations]: Found specification of procedure eth_rebuild_header [2023-11-23 21:12:41,099 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_rebuild_header [2023-11-23 21:12:41,099 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-23 21:12:41,100 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-23 21:12:41,100 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_wds_special_addr [2023-11-23 21:12:41,100 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_wds_special_addr [2023-11-23 21:12:41,100 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-23 21:12:41,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-23 21:12:41,100 INFO L130 BoogieDeclarations]: Found specification of procedure ap_get_sta [2023-11-23 21:12:41,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_get_sta [2023-11-23 21:12:41,101 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:12:41,101 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:12:41,101 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_monitor_mode_enable [2023-11-23 21:12:41,101 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_monitor_mode_enable [2023-11-23 21:12:41,101 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:12:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2023-11-23 21:12:41,102 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2023-11-23 21:12:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure ap_add_sta [2023-11-23 21:12:41,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_add_sta [2023-11-23 21:12:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2023-11-23 21:12:41,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2023-11-23 21:12:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 21:12:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2023-11-23 21:12:41,103 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2023-11-23 21:12:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-23 21:12:41,103 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-23 21:12:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure eth_header_cache_update [2023-11-23 21:12:41,104 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_header_cache_update [2023-11-23 21:12:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:12:41,104 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:12:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_ioctl [2023-11-23 21:12:41,104 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_ioctl [2023-11-23 21:12:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:12:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2023-11-23 21:12:41,105 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2023-11-23 21:12:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-23 21:12:41,105 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-23 21:12:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-23 21:12:41,105 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-23 21:12:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_set_tim [2023-11-23 21:12:41,106 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_set_tim [2023-11-23 21:12:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-23 21:12:41,106 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-23 21:12:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:12:41,106 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:12:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 21:12:41,107 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 21:12:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure ap_sta_hash_del [2023-11-23 21:12:41,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_sta_hash_del [2023-11-23 21:12:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 21:12:41,107 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 21:12:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-23 21:12:41,107 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-23 21:12:41,108 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_sta_deauth [2023-11-23 21:12:41,108 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_sta_deauth [2023-11-23 21:12:41,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:12:41,108 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-23 21:12:41,108 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-23 21:12:41,108 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 21:12:41,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 21:12:41,109 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-23 21:12:41,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-23 21:12:41,109 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2023-11-23 21:12:41,109 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2023-11-23 21:12:41,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:12:41,109 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2023-11-23 21:12:41,110 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2023-11-23 21:12:41,110 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unshare [2023-11-23 21:12:41,110 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unshare [2023-11-23 21:12:41,110 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_send_mgmt [2023-11-23 21:12:41,110 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_send_mgmt [2023-11-23 21:12:41,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:12:41,110 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2023-11-23 21:12:41,111 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2023-11-23 21:12:41,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:12:41,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:12:41,111 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_wds_del [2023-11-23 21:12:41,111 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_wds_del [2023-11-23 21:12:41,111 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_close [2023-11-23 21:12:41,112 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_close [2023-11-23 21:12:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure lib80211_get_crypto_ops [2023-11-23 21:12:41,112 INFO L138 BoogieDeclarations]: Found implementation of procedure lib80211_get_crypto_ops [2023-11-23 21:12:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_set_mac_address [2023-11-23 21:12:41,112 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_set_mac_address [2023-11-23 21:12:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_handle_sta_release [2023-11-23 21:12:41,112 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_handle_sta_release [2023-11-23 21:12:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:12:41,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:12:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:12:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure ap_control_flush_macs [2023-11-23 21:12:41,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_control_flush_macs [2023-11-23 21:12:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_host_roaming [2023-11-23 21:12:41,114 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_host_roaming [2023-11-23 21:12:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-23 21:12:41,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-23 21:12:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:12:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:12:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:12:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:12:41,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:12:41,115 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:12:41,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:12:41,115 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_wds_add [2023-11-23 21:12:41,115 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_wds_add [2023-11-23 21:12:41,115 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-23 21:12:41,116 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-23 21:12:41,116 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_get_drvinfo [2023-11-23 21:12:41,116 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_get_drvinfo [2023-11-23 21:12:41,116 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_set_multicast_list [2023-11-23 21:12:41,116 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_set_multicast_list [2023-11-23 21:12:41,116 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_change_mtu [2023-11-23 21:12:41,116 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_change_mtu [2023-11-23 21:12:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_deauth_all_stas [2023-11-23 21:12:41,117 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_deauth_all_stas [2023-11-23 21:12:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~$Pointer$ [2023-11-23 21:12:41,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~$Pointer$ [2023-11-23 21:12:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-23 21:12:41,117 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-23 21:12:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2023-11-23 21:12:41,118 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2023-11-23 21:12:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 21:12:41,118 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 21:12:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure eth_header_cache [2023-11-23 21:12:41,118 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_header_cache [2023-11-23 21:12:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:12:41,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:12:41,119 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-23 21:12:41,119 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-23 21:12:41,119 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2023-11-23 21:12:41,119 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2023-11-23 21:12:41,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:12:41,119 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_set_word [2023-11-23 21:12:41,120 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_set_word [2023-11-23 21:12:41,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:12:41,120 INFO L130 BoogieDeclarations]: Found specification of procedure ap_control_kickall [2023-11-23 21:12:41,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_control_kickall [2023-11-23 21:12:41,120 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_add_sta [2023-11-23 21:12:41,120 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_add_sta [2023-11-23 21:12:41,120 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-11-23 21:12:41,121 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-11-23 21:12:41,121 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-23 21:12:41,121 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-23 21:12:41,121 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-23 21:12:41,121 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-23 21:12:41,121 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_set_genericelement [2023-11-23 21:12:41,121 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_set_genericelement [2023-11-23 21:12:41,122 INFO L130 BoogieDeclarations]: Found specification of procedure ap_tx_rate_ok [2023-11-23 21:12:41,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_tx_rate_ok [2023-11-23 21:12:41,122 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2023-11-23 21:12:41,122 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2023-11-23 21:12:41,122 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2023-11-23 21:12:41,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2023-11-23 21:12:41,122 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2023-11-23 21:12:41,123 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2023-11-23 21:12:41,123 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2023-11-23 21:12:41,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2023-11-23 21:12:41,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:12:41,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:12:41,123 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2023-11-23 21:12:41,123 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2023-11-23 21:12:41,124 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-23 21:12:41,124 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-23 21:12:41,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:12:41,124 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:12:41,124 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 21:12:41,124 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 21:12:41,124 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data_offset [2023-11-23 21:12:41,125 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data_offset [2023-11-23 21:12:41,125 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-23 21:12:41,125 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-23 21:12:41,125 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-23 21:12:41,125 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-23 21:12:41,125 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-23 21:12:41,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-23 21:12:41,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:12:41,126 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2023-11-23 21:12:41,126 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir [2023-11-23 21:12:41,126 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_check_tx_rates [2023-11-23 21:12:41,126 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_check_tx_rates [2023-11-23 21:12:41,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:12:41,126 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-23 21:12:41,127 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-23 21:12:41,127 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_monitor_set_type [2023-11-23 21:12:41,127 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_monitor_set_type [2023-11-23 21:12:41,127 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_ctl [2023-11-23 21:12:41,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_ctl [2023-11-23 21:12:41,127 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-11-23 21:12:41,128 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-11-23 21:12:41,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:12:41,128 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~int [2023-11-23 21:12:41,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~int [2023-11-23 21:12:41,128 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-23 21:12:41,128 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-23 21:12:41,128 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:12:41,129 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:12:41,129 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-23 21:12:41,129 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-23 21:12:41,129 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2023-11-23 21:12:41,129 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2023-11-23 21:12:41,129 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 21:12:41,129 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 21:12:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-23 21:12:41,130 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-23 21:12:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 21:12:41,130 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 21:12:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_get_porttype [2023-11-23 21:12:41,130 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_get_porttype [2023-11-23 21:12:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~u16~0~X~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:12:41,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~u16~0~X~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:12:41,131 INFO L130 BoogieDeclarations]: Found specification of procedure lib80211_crypt_delayed_deinit [2023-11-23 21:12:41,131 INFO L138 BoogieDeclarations]: Found implementation of procedure lib80211_crypt_delayed_deinit [2023-11-23 21:12:41,131 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_add_interface [2023-11-23 21:12:41,131 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_add_interface [2023-11-23 21:12:41,131 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_event_expired_sta [2023-11-23 21:12:41,131 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_event_expired_sta [2023-11-23 21:12:41,131 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 21:12:41,132 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 21:12:41,132 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:12:41,132 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:12:41,132 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_tx_timeout [2023-11-23 21:12:41,132 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_tx_timeout [2023-11-23 21:12:41,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:12:41,132 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-23 21:12:41,133 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-23 21:12:41,133 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-23 21:12:41,133 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-23 21:12:41,133 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-23 21:12:41,133 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-23 21:12:41,133 INFO L130 BoogieDeclarations]: Found specification of procedure ap_free_sta [2023-11-23 21:12:41,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_free_sta [2023-11-23 21:12:41,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:12:41,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:12:41,134 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_80211_header_parse [2023-11-23 21:12:41,134 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_80211_header_parse [2023-11-23 21:12:41,134 INFO L130 BoogieDeclarations]: Found specification of procedure ap_crypt_get_ptrs [2023-11-23 21:12:41,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_crypt_get_ptrs [2023-11-23 21:12:41,135 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_open [2023-11-23 21:12:41,135 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_open [2023-11-23 21:12:41,135 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-23 21:12:41,135 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-23 21:12:41,135 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-23 21:12:41,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-23 21:12:41,135 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-23 21:12:41,136 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-23 21:12:41,136 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-23 21:12:41,136 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-23 21:12:41,136 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-11-23 21:12:41,136 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-11-23 21:12:41,136 INFO L130 BoogieDeclarations]: Found specification of procedure create_proc_read_entry [2023-11-23 21:12:41,136 INFO L138 BoogieDeclarations]: Found implementation of procedure create_proc_read_entry [2023-11-23 21:12:41,137 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-23 21:12:41,137 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-23 21:12:41,137 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 21:12:41,137 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 21:12:41,137 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:12:41,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:12:41,137 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_sta_send_mgmt [2023-11-23 21:12:41,138 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_sta_send_mgmt [2023-11-23 21:12:41,138 INFO L130 BoogieDeclarations]: Found specification of procedure eth_header [2023-11-23 21:12:41,138 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_header [2023-11-23 21:12:41,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:12:41,138 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2023-11-23 21:12:41,138 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2023-11-23 21:12:41,138 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_request_hostscan [2023-11-23 21:12:41,139 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_request_hostscan [2023-11-23 21:12:41,139 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-11-23 21:12:41,139 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-11-23 21:12:41,139 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-23 21:12:41,139 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_set_encryption [2023-11-23 21:12:41,139 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_set_encryption [2023-11-23 21:12:42,101 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:12:42,105 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:12:53,635 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:12:57,964 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:12:57,965 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:12:57,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:57 BoogieIcfgContainer [2023-11-23 21:12:57,968 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:12:57,972 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:12:57,972 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:12:57,975 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:12:57,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:12:30" (1/3) ... [2023-11-23 21:12:57,977 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d1dabd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:57, skipping insertion in model container [2023-11-23 21:12:57,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:39" (2/3) ... [2023-11-23 21:12:57,979 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d1dabd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:57, skipping insertion in model container [2023-11-23 21:12:57,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:57" (3/3) ... [2023-11-23 21:12:57,982 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--net--wireless--hostap--hostap.ko-main.cil.out.i [2023-11-23 21:12:58,002 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:12:58,003 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:12:58,120 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:12:58,128 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;@5a144370, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:12:58,128 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:12:58,144 INFO L276 IsEmpty]: Start isEmpty. Operand has 2133 states, 1373 states have (on average 1.3831026948288418) internal successors, (1899), 1405 states have internal predecessors, (1899), 625 states have call successors, (625), 133 states have call predecessors, (625), 133 states have return successors, (625), 620 states have call predecessors, (625), 625 states have call successors, (625) [2023-11-23 21:12:58,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 21:12:58,179 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:58,180 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:12:58,181 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:58,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:58,189 INFO L85 PathProgramCache]: Analyzing trace with hash -672842942, now seen corresponding path program 1 times [2023-11-23 21:12:58,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:12:58,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541845864] [2023-11-23 21:12:58,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:58,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:12:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:13:00,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:13:00,091 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:13:00,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541845864] [2023-11-23 21:13:00,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541845864] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:13:00,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:13:00,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:13:00,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259282895] [2023-11-23 21:13:00,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:13:00,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:13:00,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:13:00,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:13:00,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:13:00,161 INFO L87 Difference]: Start difference. First operand has 2133 states, 1373 states have (on average 1.3831026948288418) internal successors, (1899), 1405 states have internal predecessors, (1899), 625 states have call successors, (625), 133 states have call predecessors, (625), 133 states have return successors, (625), 620 states have call predecessors, (625), 625 states have call successors, (625) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:13:04,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:13:06,683 WARN L539 Checker$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 21:13:08,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:13:09,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:13:09,534 INFO L93 Difference]: Finished difference Result 6368 states and 9406 transitions. [2023-11-23 21:13:09,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:13:09,537 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-11-23 21:13:09,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:13:09,619 INFO L225 Difference]: With dead ends: 6368 [2023-11-23 21:13:09,620 INFO L226 Difference]: Without dead ends: 4234 [2023-11-23 21:13:09,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:13:09,654 INFO L413 NwaCegarLoop]: 3141 mSDtfsCounter, 3110 mSDsluCounter, 2834 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3110 SdHoareTripleChecker+Valid, 5975 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:13:09,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3110 Valid, 5975 Invalid, 610 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 604 Invalid, 3 Unknown, 0 Unchecked, 9.0s Time] [2023-11-23 21:13:09,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4234 states. [2023-11-23 21:13:10,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4234 to 4234. [2023-11-23 21:13:10,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4234 states, 2727 states have (on average 1.381004767143381) internal successors, (3766), 2785 states have internal predecessors, (3766), 1243 states have call successors, (1243), 264 states have call predecessors, (1243), 263 states have return successors, (1240), 1230 states have call predecessors, (1240), 1240 states have call successors, (1240) [2023-11-23 21:13:10,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4234 states to 4234 states and 6249 transitions. [2023-11-23 21:13:10,116 INFO L78 Accepts]: Start accepts. Automaton has 4234 states and 6249 transitions. Word has length 18 [2023-11-23 21:13:10,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:13:10,117 INFO L495 AbstractCegarLoop]: Abstraction has 4234 states and 6249 transitions. [2023-11-23 21:13:10,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:13:10,117 INFO L276 IsEmpty]: Start isEmpty. Operand 4234 states and 6249 transitions. [2023-11-23 21:13:10,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 21:13:10,125 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:13:10,125 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:13:10,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:13:10,125 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:13:10,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:13:10,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1673317314, now seen corresponding path program 1 times [2023-11-23 21:13:10,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:13:10,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673979479] [2023-11-23 21:13:10,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:10,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:13:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:13:10,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:13:10,968 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:13:10,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673979479] [2023-11-23 21:13:10,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673979479] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:13:10,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:13:10,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:13:10,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468684327] [2023-11-23 21:13:10,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:13:10,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:13:10,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:13:10,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:13:10,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:13:10,979 INFO L87 Difference]: Start difference. First operand 4234 states and 6249 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)