./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 0e0057cc 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_9b9f323f-05f6-4798-bb6b-5d044f3658fe/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f323f-05f6-4798-bb6b-5d044f3658fe/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f323f-05f6-4798-bb6b-5d044f3658fe/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f323f-05f6-4798-bb6b-5d044f3658fe/bin/utaipan-verify-SwPr7d2a91/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_9b9f323f-05f6-4798-bb6b-5d044f3658fe/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f323f-05f6-4798-bb6b-5d044f3658fe/bin/utaipan-verify-SwPr7d2a91 --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 0.2.4-dev-0e0057c [2023-11-24 23:16:42,824 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:16:42,906 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f323f-05f6-4798-bb6b-5d044f3658fe/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:16:42,912 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:16:42,912 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:16:42,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:16:42,937 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:16:42,938 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:16:42,939 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:16:42,940 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:16:42,940 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:16:42,941 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:16:42,942 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:16:42,942 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:16:42,943 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:16:42,943 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:16:42,944 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:16:42,945 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:16:42,945 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:16:42,946 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:16:42,947 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:16:42,948 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:16:42,949 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:16:42,949 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:16:42,950 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:16:42,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:16:42,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:16:42,952 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:16:42,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:16:42,953 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:16:42,953 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:16:42,954 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:16:42,954 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:16:42,955 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:16:42,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:16:42,956 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:16:42,956 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:16:42,956 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:16:42,957 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:16:42,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:16:42,957 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:16:42,958 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:16:42,958 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:16:42,959 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:16:42,959 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_9b9f323f-05f6-4798-bb6b-5d044f3658fe/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f323f-05f6-4798-bb6b-5d044f3658fe/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f21c7f36186f2129ffc494c3ea005fd20ba865adeabaea67c7a3542b6449e976 [2023-11-24 23:16:43,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:16:43,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:16:43,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:16:43,291 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:16:43,291 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:16:43,292 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f323f-05f6-4798-bb6b-5d044f3658fe/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--wireless--hostap--hostap.ko-main.cil.out.i [2023-11-24 23:16:46,376 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:16:47,312 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:16:47,314 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f323f-05f6-4798-bb6b-5d044f3658fe/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--wireless--hostap--hostap.ko-main.cil.out.i [2023-11-24 23:16:47,383 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f323f-05f6-4798-bb6b-5d044f3658fe/bin/utaipan-verify-SwPr7d2a91/data/c8fac1101/782ca27a374f4fe380a9415d7b5049cb/FLAG57b19660a [2023-11-24 23:16:47,402 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f323f-05f6-4798-bb6b-5d044f3658fe/bin/utaipan-verify-SwPr7d2a91/data/c8fac1101/782ca27a374f4fe380a9415d7b5049cb [2023-11-24 23:16:47,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:16:47,413 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:16:47,415 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:16:47,416 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:16:47,421 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:16:47,422 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:16:47" (1/1) ... [2023-11-24 23:16:47,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f659ead and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:47, skipping insertion in model container [2023-11-24 23:16:47,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:16:47" (1/1) ... [2023-11-24 23:16:47,692 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:16:53,727 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_9b9f323f-05f6-4798-bb6b-5d044f3658fe/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--wireless--hostap--hostap.ko-main.cil.out.i[608636,608649] [2023-11-24 23:16:53,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:16:54,044 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:16:54,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5581] [2023-11-24 23:16:54,163 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [5588] [2023-11-24 23:16:54,165 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] [2023-11-24 23:16:54,166 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] [2023-11-24 23:16:54,835 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] [2023-11-24 23:16:54,835 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] [2023-11-24 23:16:54,897 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] [2023-11-24 23:16:54,897 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [12889] [2023-11-24 23:16:54,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [12892] [2023-11-24 23:16:54,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [12895] [2023-11-24 23:16:54,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [12898] [2023-11-24 23:16:54,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [12929] [2023-11-24 23:16:54,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [12932] [2023-11-24 23:16:54,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [12935] [2023-11-24 23:16:54,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [12938] [2023-11-24 23:16:55,210 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] [2023-11-24 23:16:55,211 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] [2023-11-24 23:16:55,211 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] [2023-11-24 23:16:55,212 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] [2023-11-24 23:16:55,212 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] [2023-11-24 23:16:55,213 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] [2023-11-24 23:16:55,213 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] [2023-11-24 23:16:55,214 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] [2023-11-24 23:16:55,352 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] [2023-11-24 23:16:55,512 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_9b9f323f-05f6-4798-bb6b-5d044f3658fe/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--wireless--hostap--hostap.ko-main.cil.out.i[608636,608649] [2023-11-24 23:16:55,524 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:16:55,840 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:16:55,840 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:16:55,840 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:16:55,841 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:16:55,841 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:16:55,849 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:16:55,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:55 WrapperNode [2023-11-24 23:16:55,850 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:16:55,851 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:16:55,851 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:16:55,851 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:16:55,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:55" (1/1) ... [2023-11-24 23:16:56,108 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:55" (1/1) ... [2023-11-24 23:16:56,435 INFO L138 Inliner]: procedures = 551, calls = 8921, calls flagged for inlining = 191, calls inlined = 112, statements flattened = 9458 [2023-11-24 23:16:56,436 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:16:56,437 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:16:56,438 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:16:56,438 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:16:56,449 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:55" (1/1) ... [2023-11-24 23:16:56,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:55" (1/1) ... [2023-11-24 23:16:56,520 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:55" (1/1) ... [2023-11-24 23:16:56,521 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:55" (1/1) ... [2023-11-24 23:16:56,714 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:55" (1/1) ... [2023-11-24 23:16:56,756 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:55" (1/1) ... [2023-11-24 23:16:56,814 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:55" (1/1) ... [2023-11-24 23:16:56,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:55" (1/1) ... [2023-11-24 23:16:56,901 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:16:56,902 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:16:56,902 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:16:56,902 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:16:56,903 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:55" (1/1) ... [2023-11-24 23:16:56,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:16:56,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f323f-05f6-4798-bb6b-5d044f3658fe/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:16:56,937 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f323f-05f6-4798-bb6b-5d044f3658fe/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:16:56,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f323f-05f6-4798-bb6b-5d044f3658fe/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:16:56,984 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_remove_interface [2023-11-24 23:16:56,984 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_remove_interface [2023-11-24 23:16:56,984 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_ioctl_siwmode [2023-11-24 23:16:56,984 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_ioctl_siwmode [2023-11-24 23:16:56,984 INFO L130 BoogieDeclarations]: Found specification of procedure dev_queue_xmit [2023-11-24 23:16:56,985 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_queue_xmit [2023-11-24 23:16:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-11-24 23:16:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-11-24 23:16:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:16:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:16:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_80211_get_hdrlen [2023-11-24 23:16:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_80211_get_hdrlen [2023-11-24 23:16:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~X~int~TO~int [2023-11-24 23:16:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~X~int~TO~int [2023-11-24 23:16:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_event_new_sta [2023-11-24 23:16:56,987 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_event_new_sta [2023-11-24 23:16:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure eth_rebuild_header [2023-11-24 23:16:56,987 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_rebuild_header [2023-11-24 23:16:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-24 23:16:56,987 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-24 23:16:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_wds_special_addr [2023-11-24 23:16:56,988 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_wds_special_addr [2023-11-24 23:16:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-24 23:16:56,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-24 23:16:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure ap_get_sta [2023-11-24 23:16:56,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_get_sta [2023-11-24 23:16:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-24 23:16:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-24 23:16:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_monitor_mode_enable [2023-11-24 23:16:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_monitor_mode_enable [2023-11-24 23:16:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-24 23:16:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2023-11-24 23:16:56,990 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2023-11-24 23:16:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure ap_add_sta [2023-11-24 23:16:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_add_sta [2023-11-24 23:16:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2023-11-24 23:16:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2023-11-24 23:16:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 23:16:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2023-11-24 23:16:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2023-11-24 23:16:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-24 23:16:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-24 23:16:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure eth_header_cache_update [2023-11-24 23:16:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_header_cache_update [2023-11-24 23:16:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-24 23:16:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-24 23:16:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_ioctl [2023-11-24 23:16:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_ioctl [2023-11-24 23:16:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:16:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2023-11-24 23:16:56,994 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2023-11-24 23:16:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-24 23:16:56,994 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-24 23:16:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-24 23:16:56,995 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-24 23:16:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_set_tim [2023-11-24 23:16:56,995 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_set_tim [2023-11-24 23:16:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-24 23:16:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-24 23:16:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-24 23:16:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-24 23:16:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-24 23:16:56,997 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-24 23:16:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure ap_sta_hash_del [2023-11-24 23:16:56,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_sta_hash_del [2023-11-24 23:16:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-24 23:16:56,998 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-24 23:16:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-24 23:16:56,998 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-24 23:16:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_sta_deauth [2023-11-24 23:16:56,998 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_sta_deauth [2023-11-24 23:16:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:16:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-24 23:16:56,999 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-24 23:16:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-24 23:16:56,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-24 23:16:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-24 23:16:56,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-24 23:16:57,000 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2023-11-24 23:16:57,000 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2023-11-24 23:16:57,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:16:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2023-11-24 23:16:57,001 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2023-11-24 23:16:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unshare [2023-11-24 23:16:57,001 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unshare [2023-11-24 23:16:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_send_mgmt [2023-11-24 23:16:57,001 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_send_mgmt [2023-11-24 23:16:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:16:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2023-11-24 23:16:57,003 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2023-11-24 23:16:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-24 23:16:57,003 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-24 23:16:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_wds_del [2023-11-24 23:16:57,004 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_wds_del [2023-11-24 23:16:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_close [2023-11-24 23:16:57,004 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_close [2023-11-24 23:16:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure lib80211_get_crypto_ops [2023-11-24 23:16:57,004 INFO L138 BoogieDeclarations]: Found implementation of procedure lib80211_get_crypto_ops [2023-11-24 23:16:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_set_mac_address [2023-11-24 23:16:57,004 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_set_mac_address [2023-11-24 23:16:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_handle_sta_release [2023-11-24 23:16:57,005 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_handle_sta_release [2023-11-24 23:16:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2023-11-24 23:16:57,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2023-11-24 23:16:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:16:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure ap_control_flush_macs [2023-11-24 23:16:57,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_control_flush_macs [2023-11-24 23:16:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_host_roaming [2023-11-24 23:16:57,006 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_host_roaming [2023-11-24 23:16:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-24 23:16:57,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-24 23:16:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:16:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:16:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-24 23:16:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:16:57,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:16:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:16:57,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:16:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_wds_add [2023-11-24 23:16:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_wds_add [2023-11-24 23:16:57,013 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-24 23:16:57,013 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-24 23:16:57,013 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_get_drvinfo [2023-11-24 23:16:57,013 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_get_drvinfo [2023-11-24 23:16:57,015 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_set_multicast_list [2023-11-24 23:16:57,015 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_set_multicast_list [2023-11-24 23:16:57,016 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_change_mtu [2023-11-24 23:16:57,016 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_change_mtu [2023-11-24 23:16:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_deauth_all_stas [2023-11-24 23:16:57,021 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_deauth_all_stas [2023-11-24 23:16:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~$Pointer$ [2023-11-24 23:16:57,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~$Pointer$ [2023-11-24 23:16:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-24 23:16:57,022 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-24 23:16:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2023-11-24 23:16:57,023 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2023-11-24 23:16:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-24 23:16:57,023 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-24 23:16:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure eth_header_cache [2023-11-24 23:16:57,024 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_header_cache [2023-11-24 23:16:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:16:57,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:16:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-24 23:16:57,024 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-24 23:16:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2023-11-24 23:16:57,024 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2023-11-24 23:16:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:16:57,025 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_set_word [2023-11-24 23:16:57,025 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_set_word [2023-11-24 23:16:57,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:16:57,025 INFO L130 BoogieDeclarations]: Found specification of procedure ap_control_kickall [2023-11-24 23:16:57,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_control_kickall [2023-11-24 23:16:57,025 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_add_sta [2023-11-24 23:16:57,025 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_add_sta [2023-11-24 23:16:57,026 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-11-24 23:16:57,026 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-11-24 23:16:57,026 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-24 23:16:57,026 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-24 23:16:57,026 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-24 23:16:57,026 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-24 23:16:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_set_genericelement [2023-11-24 23:16:57,027 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_set_genericelement [2023-11-24 23:16:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure ap_tx_rate_ok [2023-11-24 23:16:57,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_tx_rate_ok [2023-11-24 23:16:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2023-11-24 23:16:57,027 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2023-11-24 23:16:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2023-11-24 23:16:57,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2023-11-24 23:16:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2023-11-24 23:16:57,028 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2023-11-24 23:16:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2023-11-24 23:16:57,028 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2023-11-24 23:16:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-24 23:16:57,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-24 23:16:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2023-11-24 23:16:57,029 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2023-11-24 23:16:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-24 23:16:57,029 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-24 23:16:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 23:16:57,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 23:16:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-24 23:16:57,029 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-24 23:16:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data_offset [2023-11-24 23:16:57,030 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data_offset [2023-11-24 23:16:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-24 23:16:57,030 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-24 23:16:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-24 23:16:57,030 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-24 23:16:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-24 23:16:57,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-24 23:16:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:16:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2023-11-24 23:16:57,032 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir [2023-11-24 23:16:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_check_tx_rates [2023-11-24 23:16:57,033 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_check_tx_rates [2023-11-24 23:16:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:16:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-24 23:16:57,033 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-24 23:16:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_monitor_set_type [2023-11-24 23:16:57,033 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_monitor_set_type [2023-11-24 23:16:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_ctl [2023-11-24 23:16:57,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_ctl [2023-11-24 23:16:57,034 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-11-24 23:16:57,034 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-11-24 23:16:57,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:16:57,034 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~int [2023-11-24 23:16:57,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~int [2023-11-24 23:16:57,034 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-24 23:16:57,034 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-24 23:16:57,035 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-24 23:16:57,035 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-24 23:16:57,035 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-24 23:16:57,035 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-24 23:16:57,035 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2023-11-24 23:16:57,035 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2023-11-24 23:16:57,035 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-24 23:16:57,036 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-24 23:16:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-24 23:16:57,036 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-24 23:16:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-24 23:16:57,036 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-24 23:16:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_get_porttype [2023-11-24 23:16:57,036 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_get_porttype [2023-11-24 23:16:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~u16~0~X~$Pointer$~X~$Pointer$~TO~int [2023-11-24 23:16:57,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~u16~0~X~$Pointer$~X~$Pointer$~TO~int [2023-11-24 23:16:57,037 INFO L130 BoogieDeclarations]: Found specification of procedure lib80211_crypt_delayed_deinit [2023-11-24 23:16:57,037 INFO L138 BoogieDeclarations]: Found implementation of procedure lib80211_crypt_delayed_deinit [2023-11-24 23:16:57,037 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_add_interface [2023-11-24 23:16:57,037 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_add_interface [2023-11-24 23:16:57,037 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_event_expired_sta [2023-11-24 23:16:57,037 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_event_expired_sta [2023-11-24 23:16:57,038 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-24 23:16:57,038 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-24 23:16:57,038 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-24 23:16:57,038 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-24 23:16:57,038 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_tx_timeout [2023-11-24 23:16:57,038 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_tx_timeout [2023-11-24 23:16:57,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:16:57,038 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-24 23:16:57,039 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-24 23:16:57,039 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-24 23:16:57,039 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-24 23:16:57,039 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-24 23:16:57,039 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-24 23:16:57,039 INFO L130 BoogieDeclarations]: Found specification of procedure ap_free_sta [2023-11-24 23:16:57,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_free_sta [2023-11-24 23:16:57,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:16:57,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:16:57,044 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_80211_header_parse [2023-11-24 23:16:57,045 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_80211_header_parse [2023-11-24 23:16:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure ap_crypt_get_ptrs [2023-11-24 23:16:57,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_crypt_get_ptrs [2023-11-24 23:16:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_open [2023-11-24 23:16:57,045 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_open [2023-11-24 23:16:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-24 23:16:57,047 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-24 23:16:57,047 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-24 23:16:57,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-24 23:16:57,047 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-24 23:16:57,047 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-24 23:16:57,047 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-24 23:16:57,048 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-24 23:16:57,048 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-11-24 23:16:57,048 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-11-24 23:16:57,048 INFO L130 BoogieDeclarations]: Found specification of procedure create_proc_read_entry [2023-11-24 23:16:57,048 INFO L138 BoogieDeclarations]: Found implementation of procedure create_proc_read_entry [2023-11-24 23:16:57,048 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-24 23:16:57,048 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-24 23:16:57,048 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-24 23:16:57,049 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-24 23:16:57,049 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-24 23:16:57,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-24 23:16:57,049 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_sta_send_mgmt [2023-11-24 23:16:57,049 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_sta_send_mgmt [2023-11-24 23:16:57,049 INFO L130 BoogieDeclarations]: Found specification of procedure eth_header [2023-11-24 23:16:57,049 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_header [2023-11-24 23:16:57,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:16:57,050 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2023-11-24 23:16:57,050 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2023-11-24 23:16:57,050 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_request_hostscan [2023-11-24 23:16:57,050 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_request_hostscan [2023-11-24 23:16:57,050 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-11-24 23:16:57,050 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-11-24 23:16:57,050 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-24 23:16:57,051 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_set_encryption [2023-11-24 23:16:57,051 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_set_encryption [2023-11-24 23:16:58,358 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:16:58,371 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:17:09,865 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:17:14,644 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:17:14,644 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:17:14,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:17:14 BoogieIcfgContainer [2023-11-24 23:17:14,647 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:17:14,649 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:17:14,649 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:17:14,652 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:17:14,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:16:47" (1/3) ... [2023-11-24 23:17:14,653 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e8db992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:17:14, skipping insertion in model container [2023-11-24 23:17:14,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:55" (2/3) ... [2023-11-24 23:17:14,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e8db992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:17:14, skipping insertion in model container [2023-11-24 23:17:14,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:17:14" (3/3) ... [2023-11-24 23:17:14,655 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--net--wireless--hostap--hostap.ko-main.cil.out.i [2023-11-24 23:17:14,674 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:17:14,674 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:17:14,762 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:17:14,769 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;@40a8d8ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:17:14,769 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:17:14,784 INFO L276 IsEmpty]: Start isEmpty. Operand has 2134 states, 1374 states have (on average 1.3828238719068413) internal successors, (1900), 1406 states have internal predecessors, (1900), 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) [2023-11-24 23:17:14,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:17:14,816 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:17:14,817 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:17:14,818 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:17:14,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:17:14,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1155467071, now seen corresponding path program 1 times [2023-11-24 23:17:14,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:17:14,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403906798] [2023-11-24 23:17:14,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:17:14,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:17:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:17:16,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:17:16,821 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:17:16,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403906798] [2023-11-24 23:17:16,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403906798] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:17:16,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:17:16,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:17:16,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368650948] [2023-11-24 23:17:16,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:17:16,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:17:16,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:17:16,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:17:16,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:17:16,875 INFO L87 Difference]: Start difference. First operand has 2134 states, 1374 states have (on average 1.3828238719068413) internal successors, (1900), 1406 states have internal predecessors, (1900), 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) [2023-11-24 23:17:21,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:17:23,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:17:25,178 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 [] [2023-11-24 23:17:25,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:17:25,954 INFO L93 Difference]: Finished difference Result 6371 states and 9409 transitions. [2023-11-24 23:17:25,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:17:25,957 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 [2023-11-24 23:17:25,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:17:26,027 INFO L225 Difference]: With dead ends: 6371 [2023-11-24 23:17:26,027 INFO L226 Difference]: Without dead ends: 4236 [2023-11-24 23:17:26,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:17:26,057 INFO L413 NwaCegarLoop]: 3142 mSDtfsCounter, 3111 mSDsluCounter, 2835 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3111 SdHoareTripleChecker+Valid, 5977 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-11-24 23:17:26,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3111 Valid, 5977 Invalid, 610 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 604 Invalid, 3 Unknown, 0 Unchecked, 8.7s Time] [2023-11-24 23:17:26,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4236 states. [2023-11-24 23:17:26,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4236 to 4236. [2023-11-24 23:17:26,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4236 states, 2729 states have (on average 1.3807255404910224) internal successors, (3768), 2787 states have internal predecessors, (3768), 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) [2023-11-24 23:17:26,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4236 states to 4236 states and 6251 transitions. [2023-11-24 23:17:26,508 INFO L78 Accepts]: Start accepts. Automaton has 4236 states and 6251 transitions. Word has length 18 [2023-11-24 23:17:26,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:17:26,509 INFO L495 AbstractCegarLoop]: Abstraction has 4236 states and 6251 transitions. [2023-11-24 23:17:26,509 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) [2023-11-24 23:17:26,509 INFO L276 IsEmpty]: Start isEmpty. Operand 4236 states and 6251 transitions. [2023-11-24 23:17:26,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:17:26,516 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:17:26,516 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] [2023-11-24 23:17:26,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:17:26,516 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:17:26,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:17:26,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1349328811, now seen corresponding path program 1 times [2023-11-24 23:17:26,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:17:26,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866669825] [2023-11-24 23:17:26,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:17:26,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:17:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:17:27,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:17:27,674 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:17:27,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866669825] [2023-11-24 23:17:27,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866669825] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:17:27,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:17:27,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:17:27,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398754067] [2023-11-24 23:17:27,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:17:27,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:17:27,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:17:27,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:17:27,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:17:27,678 INFO L87 Difference]: Start difference. First operand 4236 states and 6251 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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)