./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 527bcce2 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_7b9ff151-6b32-48e0-b290-0ef788571ed2/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9ff151-6b32-48e0-b290-0ef788571ed2/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9ff151-6b32-48e0-b290-0ef788571ed2/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9ff151-6b32-48e0-b290-0ef788571ed2/bin/utaipan-verify-QoSU8krkJ5/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_7b9ff151-6b32-48e0-b290-0ef788571ed2/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9ff151-6b32-48e0-b290-0ef788571ed2/bin/utaipan-verify-QoSU8krkJ5 --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-527bcce [2023-11-21 19:41:36,408 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:41:36,504 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9ff151-6b32-48e0-b290-0ef788571ed2/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-21 19:41:36,512 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:41:36,513 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:41:36,548 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:41:36,549 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:41:36,550 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:41:36,551 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:41:36,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:41:36,553 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:41:36,554 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:41:36,554 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:41:36,555 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 19:41:36,556 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:41:36,557 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:41:36,558 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 19:41:36,558 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 19:41:36,559 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:41:36,560 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 19:41:36,560 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 19:41:36,561 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 19:41:36,562 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:41:36,563 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:41:36,564 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 19:41:36,564 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:41:36,565 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:41:36,566 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:41:36,566 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:41:36,567 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:41:36,567 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:41:36,568 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:41:36,568 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:41:36,569 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:41:36,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:41:36,570 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:41:36,570 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:41:36,571 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:41:36,571 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 19:41:36,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 19:41:36,572 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:41:36,572 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:41:36,573 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:41:36,573 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:41:36,573 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_7b9ff151-6b32-48e0-b290-0ef788571ed2/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9ff151-6b32-48e0-b290-0ef788571ed2/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f21c7f36186f2129ffc494c3ea005fd20ba865adeabaea67c7a3542b6449e976 [2023-11-21 19:41:36,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:41:36,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:41:36,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:41:37,001 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:41:37,002 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:41:37,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9ff151-6b32-48e0-b290-0ef788571ed2/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--wireless--hostap--hostap.ko-main.cil.out.i [2023-11-21 19:41:40,797 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:41:42,061 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:41:42,063 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9ff151-6b32-48e0-b290-0ef788571ed2/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--wireless--hostap--hostap.ko-main.cil.out.i [2023-11-21 19:41:42,194 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9ff151-6b32-48e0-b290-0ef788571ed2/bin/utaipan-verify-QoSU8krkJ5/data/c7d760a60/110f0440e18849618a134df5f85503ab/FLAG025ec669f [2023-11-21 19:41:42,217 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9ff151-6b32-48e0-b290-0ef788571ed2/bin/utaipan-verify-QoSU8krkJ5/data/c7d760a60/110f0440e18849618a134df5f85503ab [2023-11-21 19:41:42,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:41:42,223 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:41:42,225 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:41:42,225 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:41:42,233 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:41:42,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:41:42" (1/1) ... [2023-11-21 19:41:42,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4345ffed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:42, skipping insertion in model container [2023-11-21 19:41:42,236 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:41:42" (1/1) ... [2023-11-21 19:41:42,611 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:41:49,748 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_7b9ff151-6b32-48e0-b290-0ef788571ed2/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--wireless--hostap--hostap.ko-main.cil.out.i[608636,608649] [2023-11-21 19:41:49,932 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:41:50,003 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:41:50,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5581] [2023-11-21 19:41:50,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [5588] [2023-11-21 19:41:50,123 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] [2023-11-21 19:41:50,123 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] [2023-11-21 19:41:50,822 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] [2023-11-21 19:41:50,822 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] [2023-11-21 19:41:50,898 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] [2023-11-21 19:41:50,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [12889] [2023-11-21 19:41:50,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [12892] [2023-11-21 19:41:50,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [12895] [2023-11-21 19:41:50,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [12898] [2023-11-21 19:41:50,901 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [12929] [2023-11-21 19:41:50,902 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [12932] [2023-11-21 19:41:50,902 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [12935] [2023-11-21 19:41:50,903 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [12938] [2023-11-21 19:41:51,388 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] [2023-11-21 19:41:51,389 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] [2023-11-21 19:41:51,389 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] [2023-11-21 19:41:51,390 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] [2023-11-21 19:41:51,390 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] [2023-11-21 19:41:51,391 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] [2023-11-21 19:41:51,391 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] [2023-11-21 19:41:51,392 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] [2023-11-21 19:41:51,608 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] [2023-11-21 19:41:51,927 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_7b9ff151-6b32-48e0-b290-0ef788571ed2/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--wireless--hostap--hostap.ko-main.cil.out.i[608636,608649] [2023-11-21 19:41:51,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:41:52,317 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:41:52,317 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:41:52,317 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:41:52,318 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:41:52,318 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:41:52,327 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:41:52,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:52 WrapperNode [2023-11-21 19:41:52,328 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:41:52,331 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:41:52,331 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:41:52,331 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:41:52,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:52" (1/1) ... [2023-11-21 19:41:52,609 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:52" (1/1) ... [2023-11-21 19:41:52,964 INFO L138 Inliner]: procedures = 551, calls = 8921, calls flagged for inlining = 191, calls inlined = 112, statements flattened = 9352 [2023-11-21 19:41:52,965 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:41:52,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:41:52,966 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:41:52,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:41:52,977 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:52" (1/1) ... [2023-11-21 19:41:52,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:52" (1/1) ... [2023-11-21 19:41:53,069 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:52" (1/1) ... [2023-11-21 19:41:53,070 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:52" (1/1) ... [2023-11-21 19:41:53,258 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:52" (1/1) ... [2023-11-21 19:41:53,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:52" (1/1) ... [2023-11-21 19:41:53,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:52" (1/1) ... [2023-11-21 19:41:53,425 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:52" (1/1) ... [2023-11-21 19:41:53,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:41:53,496 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:41:53,496 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:41:53,496 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:41:53,497 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:52" (1/1) ... [2023-11-21 19:41:53,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:41:53,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9ff151-6b32-48e0-b290-0ef788571ed2/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:41:53,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9ff151-6b32-48e0-b290-0ef788571ed2/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:41:53,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9ff151-6b32-48e0-b290-0ef788571ed2/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:41:53,595 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_remove_interface [2023-11-21 19:41:53,595 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_remove_interface [2023-11-21 19:41:53,595 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_ioctl_siwmode [2023-11-21 19:41:53,596 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_ioctl_siwmode [2023-11-21 19:41:53,596 INFO L130 BoogieDeclarations]: Found specification of procedure dev_queue_xmit [2023-11-21 19:41:53,597 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_queue_xmit [2023-11-21 19:41:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-11-21 19:41:53,597 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-11-21 19:41:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 19:41:53,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 19:41:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_80211_get_hdrlen [2023-11-21 19:41:53,599 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_80211_get_hdrlen [2023-11-21 19:41:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~X~int~TO~int [2023-11-21 19:41:53,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~X~int~TO~int [2023-11-21 19:41:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_event_new_sta [2023-11-21 19:41:53,600 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_event_new_sta [2023-11-21 19:41:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure eth_rebuild_header [2023-11-21 19:41:53,600 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_rebuild_header [2023-11-21 19:41:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-21 19:41:53,600 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-21 19:41:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_wds_special_addr [2023-11-21 19:41:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_wds_special_addr [2023-11-21 19:41:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-21 19:41:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-21 19:41:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure ap_get_sta [2023-11-21 19:41:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_get_sta [2023-11-21 19:41:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-21 19:41:53,602 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-21 19:41:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_monitor_mode_enable [2023-11-21 19:41:53,602 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_monitor_mode_enable [2023-11-21 19:41:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-21 19:41:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2023-11-21 19:41:53,603 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2023-11-21 19:41:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure ap_add_sta [2023-11-21 19:41:53,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_add_sta [2023-11-21 19:41:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2023-11-21 19:41:53,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2023-11-21 19:41:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 19:41:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2023-11-21 19:41:53,606 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2023-11-21 19:41:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-21 19:41:53,606 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-21 19:41:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure eth_header_cache_update [2023-11-21 19:41:53,606 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_header_cache_update [2023-11-21 19:41:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-21 19:41:53,607 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-21 19:41:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_ioctl [2023-11-21 19:41:53,608 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_ioctl [2023-11-21 19:41:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 19:41:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2023-11-21 19:41:53,608 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2023-11-21 19:41:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-21 19:41:53,608 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-21 19:41:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-21 19:41:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-21 19:41:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_set_tim [2023-11-21 19:41:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_set_tim [2023-11-21 19:41:53,610 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-21 19:41:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-21 19:41:53,611 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-21 19:41:53,611 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-21 19:41:53,611 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-21 19:41:53,611 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-21 19:41:53,612 INFO L130 BoogieDeclarations]: Found specification of procedure ap_sta_hash_del [2023-11-21 19:41:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_sta_hash_del [2023-11-21 19:41:53,612 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-21 19:41:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-21 19:41:53,612 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-21 19:41:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-21 19:41:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_sta_deauth [2023-11-21 19:41:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_sta_deauth [2023-11-21 19:41:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 19:41:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-21 19:41:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-21 19:41:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-21 19:41:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-21 19:41:53,614 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-21 19:41:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-21 19:41:53,615 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2023-11-21 19:41:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2023-11-21 19:41:53,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 19:41:53,616 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2023-11-21 19:41:53,616 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2023-11-21 19:41:53,616 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unshare [2023-11-21 19:41:53,616 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unshare [2023-11-21 19:41:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_send_mgmt [2023-11-21 19:41:53,617 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_send_mgmt [2023-11-21 19:41:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 19:41:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2023-11-21 19:41:53,618 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2023-11-21 19:41:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 19:41:53,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 19:41:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_wds_del [2023-11-21 19:41:53,619 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_wds_del [2023-11-21 19:41:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_close [2023-11-21 19:41:53,619 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_close [2023-11-21 19:41:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure lib80211_get_crypto_ops [2023-11-21 19:41:53,619 INFO L138 BoogieDeclarations]: Found implementation of procedure lib80211_get_crypto_ops [2023-11-21 19:41:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_set_mac_address [2023-11-21 19:41:53,620 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_set_mac_address [2023-11-21 19:41:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_handle_sta_release [2023-11-21 19:41:53,620 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_handle_sta_release [2023-11-21 19:41:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2023-11-21 19:41:53,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2023-11-21 19:41:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 19:41:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure ap_control_flush_macs [2023-11-21 19:41:53,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_control_flush_macs [2023-11-21 19:41:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_host_roaming [2023-11-21 19:41:53,621 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_host_roaming [2023-11-21 19:41:53,622 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-21 19:41:53,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-21 19:41:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:41:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 19:41:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-21 19:41:53,624 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 19:41:53,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 19:41:53,624 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-21 19:41:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-21 19:41:53,626 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_wds_add [2023-11-21 19:41:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_wds_add [2023-11-21 19:41:53,629 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-21 19:41:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-21 19:41:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_get_drvinfo [2023-11-21 19:41:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_get_drvinfo [2023-11-21 19:41:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_set_multicast_list [2023-11-21 19:41:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_set_multicast_list [2023-11-21 19:41:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_change_mtu [2023-11-21 19:41:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_change_mtu [2023-11-21 19:41:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_deauth_all_stas [2023-11-21 19:41:53,640 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_deauth_all_stas [2023-11-21 19:41:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~$Pointer$ [2023-11-21 19:41:53,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~$Pointer$ [2023-11-21 19:41:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-21 19:41:53,640 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-21 19:41:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2023-11-21 19:41:53,641 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2023-11-21 19:41:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-21 19:41:53,642 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-21 19:41:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure eth_header_cache [2023-11-21 19:41:53,642 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_header_cache [2023-11-21 19:41:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:41:53,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:41:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-21 19:41:53,643 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-21 19:41:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2023-11-21 19:41:53,643 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2023-11-21 19:41:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 19:41:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_set_word [2023-11-21 19:41:53,643 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_set_word [2023-11-21 19:41:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 19:41:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure ap_control_kickall [2023-11-21 19:41:53,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_control_kickall [2023-11-21 19:41:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_add_sta [2023-11-21 19:41:53,644 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_add_sta [2023-11-21 19:41:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-11-21 19:41:53,645 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-11-21 19:41:53,645 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-21 19:41:53,645 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-21 19:41:53,645 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-21 19:41:53,645 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-21 19:41:53,645 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_set_genericelement [2023-11-21 19:41:53,646 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_set_genericelement [2023-11-21 19:41:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure ap_tx_rate_ok [2023-11-21 19:41:53,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_tx_rate_ok [2023-11-21 19:41:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2023-11-21 19:41:53,646 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2023-11-21 19:41:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2023-11-21 19:41:53,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2023-11-21 19:41:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2023-11-21 19:41:53,647 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2023-11-21 19:41:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2023-11-21 19:41:53,647 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2023-11-21 19:41:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-21 19:41:53,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-21 19:41:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2023-11-21 19:41:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2023-11-21 19:41:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-21 19:41:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-21 19:41:53,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 19:41:53,783 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 19:41:53,783 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-21 19:41:53,783 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-21 19:41:53,783 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data_offset [2023-11-21 19:41:53,784 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data_offset [2023-11-21 19:41:53,784 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-21 19:41:53,784 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-21 19:41:53,784 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-21 19:41:53,784 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-21 19:41:53,784 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-21 19:41:53,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-21 19:41:53,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 19:41:53,784 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2023-11-21 19:41:53,784 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir [2023-11-21 19:41:53,784 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_check_tx_rates [2023-11-21 19:41:53,784 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_check_tx_rates [2023-11-21 19:41:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 19:41:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-21 19:41:53,785 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-21 19:41:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_monitor_set_type [2023-11-21 19:41:53,785 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_monitor_set_type [2023-11-21 19:41:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_ctl [2023-11-21 19:41:53,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_ctl [2023-11-21 19:41:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-11-21 19:41:53,785 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-11-21 19:41:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 19:41:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~int [2023-11-21 19:41:53,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~int [2023-11-21 19:41:53,786 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-21 19:41:53,786 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-21 19:41:53,786 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 19:41:53,786 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 19:41:53,786 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-21 19:41:53,786 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-21 19:41:53,786 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2023-11-21 19:41:53,786 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2023-11-21 19:41:53,786 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-21 19:41:53,786 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-21 19:41:53,786 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-21 19:41:53,786 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-21 19:41:53,787 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-21 19:41:53,787 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-21 19:41:53,787 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_get_porttype [2023-11-21 19:41:53,787 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_get_porttype [2023-11-21 19:41:53,787 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~u16~0~X~$Pointer$~X~$Pointer$~TO~int [2023-11-21 19:41:53,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~u16~0~X~$Pointer$~X~$Pointer$~TO~int [2023-11-21 19:41:53,787 INFO L130 BoogieDeclarations]: Found specification of procedure lib80211_crypt_delayed_deinit [2023-11-21 19:41:53,787 INFO L138 BoogieDeclarations]: Found implementation of procedure lib80211_crypt_delayed_deinit [2023-11-21 19:41:53,787 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_add_interface [2023-11-21 19:41:53,787 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_add_interface [2023-11-21 19:41:53,787 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_event_expired_sta [2023-11-21 19:41:53,787 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_event_expired_sta [2023-11-21 19:41:53,788 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-21 19:41:53,788 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-21 19:41:53,788 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 19:41:53,788 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 19:41:53,790 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_tx_timeout [2023-11-21 19:41:53,790 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_tx_timeout [2023-11-21 19:41:53,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 19:41:53,790 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-21 19:41:53,790 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-21 19:41:53,790 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-21 19:41:53,790 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-21 19:41:53,790 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-21 19:41:53,790 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-21 19:41:53,790 INFO L130 BoogieDeclarations]: Found specification of procedure ap_free_sta [2023-11-21 19:41:53,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_free_sta [2023-11-21 19:41:53,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 19:41:53,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 19:41:53,796 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_80211_header_parse [2023-11-21 19:41:53,796 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_80211_header_parse [2023-11-21 19:41:53,797 INFO L130 BoogieDeclarations]: Found specification of procedure ap_crypt_get_ptrs [2023-11-21 19:41:53,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_crypt_get_ptrs [2023-11-21 19:41:53,797 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_open [2023-11-21 19:41:53,808 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_open [2023-11-21 19:41:53,808 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-21 19:41:53,809 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-21 19:41:53,811 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-21 19:41:53,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-21 19:41:53,811 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-21 19:41:53,811 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-21 19:41:53,811 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-21 19:41:53,812 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-21 19:41:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-11-21 19:41:53,812 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-11-21 19:41:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure create_proc_read_entry [2023-11-21 19:41:53,812 INFO L138 BoogieDeclarations]: Found implementation of procedure create_proc_read_entry [2023-11-21 19:41:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-21 19:41:53,812 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-21 19:41:53,813 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-21 19:41:53,813 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-21 19:41:53,813 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-21 19:41:53,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-21 19:41:53,813 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_sta_send_mgmt [2023-11-21 19:41:53,813 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_sta_send_mgmt [2023-11-21 19:41:53,813 INFO L130 BoogieDeclarations]: Found specification of procedure eth_header [2023-11-21 19:41:53,813 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_header [2023-11-21 19:41:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 19:41:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2023-11-21 19:41:53,814 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2023-11-21 19:41:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_request_hostscan [2023-11-21 19:41:53,814 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_request_hostscan [2023-11-21 19:41:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-11-21 19:41:53,814 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-11-21 19:41:53,815 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-21 19:41:53,815 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_set_encryption [2023-11-21 19:41:53,815 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_set_encryption [2023-11-21 19:41:54,975 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:41:54,983 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:42:07,241 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 19:42:12,005 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 19:42:12,005 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 19:42:12,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:42:12 BoogieIcfgContainer [2023-11-21 19:42:12,009 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 19:42:12,014 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 19:42:12,014 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 19:42:12,018 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 19:42:12,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 07:41:42" (1/3) ... [2023-11-21 19:42:12,019 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2423df34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:42:12, skipping insertion in model container [2023-11-21 19:42:12,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:52" (2/3) ... [2023-11-21 19:42:12,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2423df34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:42:12, skipping insertion in model container [2023-11-21 19:42:12,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:42:12" (3/3) ... [2023-11-21 19:42:12,024 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--net--wireless--hostap--hostap.ko-main.cil.out.i [2023-11-21 19:42:12,045 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 19:42:12,046 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 19:42:12,180 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 19:42:12,189 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;@70cbb879, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:42:12,190 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 19:42:12,209 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) [2023-11-21 19:42:12,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 19:42:12,254 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:42:12,255 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:42:12,256 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 19:42:12,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:42:12,264 INFO L85 PathProgramCache]: Analyzing trace with hash -672842942, now seen corresponding path program 1 times [2023-11-21 19:42:12,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:42:12,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824824875] [2023-11-21 19:42:12,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:42:12,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:42:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:42:14,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:42:14,256 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:42:14,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824824875] [2023-11-21 19:42:14,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824824875] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:42:14,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:42:14,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:42:14,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748807078] [2023-11-21 19:42:14,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:42:14,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:42:14,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:42:14,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:42:14,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:42:14,322 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) [2023-11-21 19:42:18,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 19:42:20,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []