./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763b9357-d642-4008-b7ad-2ceed6c36651/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763b9357-d642-4008-b7ad-2ceed6c36651/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763b9357-d642-4008-b7ad-2ceed6c36651/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763b9357-d642-4008-b7ad-2ceed6c36651/bin/utaipan-verify-t7M7D8N6sZ/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_763b9357-d642-4008-b7ad-2ceed6c36651/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763b9357-d642-4008-b7ad-2ceed6c36651/bin/utaipan-verify-t7M7D8N6sZ --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-9bd2c7f [2023-11-19 04:52:40,740 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:52:40,848 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763b9357-d642-4008-b7ad-2ceed6c36651/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:52:40,853 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:52:40,854 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:52:40,878 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:52:40,879 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:52:40,880 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:52:40,881 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:52:40,881 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:52:40,882 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:52:40,883 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:52:40,883 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:52:40,884 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:52:40,885 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:52:40,885 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:52:40,886 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:52:40,887 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:52:40,887 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:52:40,888 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:52:40,889 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:52:40,890 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:52:40,890 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:52:40,891 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:52:40,892 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:52:40,892 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:52:40,893 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:52:40,893 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:52:40,894 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:52:40,894 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:52:40,895 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:52:40,895 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:52:40,896 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:52:40,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:52:40,896 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:52:40,897 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:52:40,897 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:52:40,898 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:52:40,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:52:40,899 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:52:40,899 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:52:40,900 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:52:40,900 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_763b9357-d642-4008-b7ad-2ceed6c36651/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763b9357-d642-4008-b7ad-2ceed6c36651/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f21c7f36186f2129ffc494c3ea005fd20ba865adeabaea67c7a3542b6449e976 [2023-11-19 04:52:41,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:52:41,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:52:41,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:52:41,274 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:52:41,274 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:52:41,276 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763b9357-d642-4008-b7ad-2ceed6c36651/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--wireless--hostap--hostap.ko-main.cil.out.i [2023-11-19 04:52:44,339 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:52:45,381 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:52:45,382 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763b9357-d642-4008-b7ad-2ceed6c36651/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--wireless--hostap--hostap.ko-main.cil.out.i [2023-11-19 04:52:45,493 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763b9357-d642-4008-b7ad-2ceed6c36651/bin/utaipan-verify-t7M7D8N6sZ/data/707acbea3/2c531933778249e8b8ac5b9872a6700f/FLAG234501035 [2023-11-19 04:52:45,512 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763b9357-d642-4008-b7ad-2ceed6c36651/bin/utaipan-verify-t7M7D8N6sZ/data/707acbea3/2c531933778249e8b8ac5b9872a6700f [2023-11-19 04:52:45,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:52:45,524 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:52:45,528 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:52:45,528 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:52:45,534 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:52:45,535 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:52:45" (1/1) ... [2023-11-19 04:52:45,536 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec1e4d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:45, skipping insertion in model container [2023-11-19 04:52:45,536 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:52:45" (1/1) ... [2023-11-19 04:52:45,957 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:52:52,173 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_763b9357-d642-4008-b7ad-2ceed6c36651/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--wireless--hostap--hostap.ko-main.cil.out.i[608636,608649] [2023-11-19 04:52:52,352 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:52:52,442 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:52:52,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5581] [2023-11-19 04:52:52,638 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [5588] [2023-11-19 04:52:52,641 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] [2023-11-19 04:52:52,642 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] [2023-11-19 04:52:53,345 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] [2023-11-19 04:52:53,346 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] [2023-11-19 04:52:53,412 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] [2023-11-19 04:52:53,413 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [12889] [2023-11-19 04:52:53,413 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [12892] [2023-11-19 04:52:53,414 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [12895] [2023-11-19 04:52:53,414 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [12898] [2023-11-19 04:52:53,415 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [12929] [2023-11-19 04:52:53,415 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [12932] [2023-11-19 04:52:53,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [12935] [2023-11-19 04:52:53,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [12938] [2023-11-19 04:52:53,990 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] [2023-11-19 04:52:53,991 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___20->state): : "memory", "cc"); [15788-15789] [2023-11-19 04:52:53,991 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] [2023-11-19 04:52:53,992 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___22->state): : "memory", "cc"); [15798-15799] [2023-11-19 04:52:53,992 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] [2023-11-19 04:52:53,993 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___26->state): : "memory", "cc"); [15821-15822] [2023-11-19 04:52:53,993 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___27->state): : "memory", "cc"); [15826-15827] [2023-11-19 04:52:53,993 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] [2023-11-19 04:52:54,196 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] [2023-11-19 04:52:54,580 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_763b9357-d642-4008-b7ad-2ceed6c36651/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--wireless--hostap--hostap.ko-main.cil.out.i[608636,608649] [2023-11-19 04:52:54,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:52:54,955 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:52:54,956 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:52:54,956 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:52:54,956 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:52:54,956 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:52:54,965 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:52:54,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:54 WrapperNode [2023-11-19 04:52:54,967 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:52:54,968 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:52:54,968 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:52:54,969 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:52:54,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:54" (1/1) ... [2023-11-19 04:52:55,232 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:54" (1/1) ... [2023-11-19 04:52:55,548 INFO L138 Inliner]: procedures = 551, calls = 8921, calls flagged for inlining = 191, calls inlined = 112, statements flattened = 9352 [2023-11-19 04:52:55,549 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:52:55,550 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:52:55,551 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:52:55,551 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:52:55,561 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:54" (1/1) ... [2023-11-19 04:52:55,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:54" (1/1) ... [2023-11-19 04:52:55,645 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:54" (1/1) ... [2023-11-19 04:52:55,646 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:54" (1/1) ... [2023-11-19 04:52:55,840 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:54" (1/1) ... [2023-11-19 04:52:55,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:54" (1/1) ... [2023-11-19 04:52:55,940 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:54" (1/1) ... [2023-11-19 04:52:55,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:54" (1/1) ... [2023-11-19 04:52:56,012 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:52:56,013 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:52:56,013 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:52:56,013 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:52:56,014 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:54" (1/1) ... [2023-11-19 04:52:56,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:52:56,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763b9357-d642-4008-b7ad-2ceed6c36651/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:52:56,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763b9357-d642-4008-b7ad-2ceed6c36651/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:52:56,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763b9357-d642-4008-b7ad-2ceed6c36651/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:52:56,091 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_remove_interface [2023-11-19 04:52:56,091 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_remove_interface [2023-11-19 04:52:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_ioctl_siwmode [2023-11-19 04:52:56,092 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_ioctl_siwmode [2023-11-19 04:52:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure dev_queue_xmit [2023-11-19 04:52:56,093 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_queue_xmit [2023-11-19 04:52:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-11-19 04:52:56,093 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-11-19 04:52:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:52:56,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:52:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_80211_get_hdrlen [2023-11-19 04:52:56,094 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_80211_get_hdrlen [2023-11-19 04:52:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~X~int~TO~int [2023-11-19 04:52:56,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~X~int~TO~int [2023-11-19 04:52:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_event_new_sta [2023-11-19 04:52:56,094 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_event_new_sta [2023-11-19 04:52:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure eth_rebuild_header [2023-11-19 04:52:56,094 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_rebuild_header [2023-11-19 04:52:56,095 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-19 04:52:56,095 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-19 04:52:56,095 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_wds_special_addr [2023-11-19 04:52:56,095 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_wds_special_addr [2023-11-19 04:52:56,095 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 04:52:56,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 04:52:56,096 INFO L130 BoogieDeclarations]: Found specification of procedure ap_get_sta [2023-11-19 04:52:56,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_get_sta [2023-11-19 04:52:56,096 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 04:52:56,096 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 04:52:56,096 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_monitor_mode_enable [2023-11-19 04:52:56,097 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_monitor_mode_enable [2023-11-19 04:52:56,097 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 04:52:56,097 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2023-11-19 04:52:56,097 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2023-11-19 04:52:56,097 INFO L130 BoogieDeclarations]: Found specification of procedure ap_add_sta [2023-11-19 04:52:56,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_add_sta [2023-11-19 04:52:56,098 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2023-11-19 04:52:56,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2023-11-19 04:52:56,099 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 04:52:56,099 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2023-11-19 04:52:56,100 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2023-11-19 04:52:56,100 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 04:52:56,100 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 04:52:56,100 INFO L130 BoogieDeclarations]: Found specification of procedure eth_header_cache_update [2023-11-19 04:52:56,100 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_header_cache_update [2023-11-19 04:52:56,100 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 04:52:56,101 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 04:52:56,102 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_ioctl [2023-11-19 04:52:56,102 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_ioctl [2023-11-19 04:52:56,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:52:56,102 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2023-11-19 04:52:56,102 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2023-11-19 04:52:56,103 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-19 04:52:56,103 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-19 04:52:56,103 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-19 04:52:56,103 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-19 04:52:56,104 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_set_tim [2023-11-19 04:52:56,104 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_set_tim [2023-11-19 04:52:56,104 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 04:52:56,104 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 04:52:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 04:52:56,105 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 04:52:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 04:52:56,106 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 04:52:56,106 INFO L130 BoogieDeclarations]: Found specification of procedure ap_sta_hash_del [2023-11-19 04:52:56,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_sta_hash_del [2023-11-19 04:52:56,106 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 04:52:56,106 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 04:52:56,106 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-19 04:52:56,107 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-19 04:52:56,107 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_sta_deauth [2023-11-19 04:52:56,107 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_sta_deauth [2023-11-19 04:52:56,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:52:56,107 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-19 04:52:56,107 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-19 04:52:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 04:52:56,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 04:52:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-19 04:52:56,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-19 04:52:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2023-11-19 04:52:56,109 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2023-11-19 04:52:56,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:52:56,109 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2023-11-19 04:52:56,109 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2023-11-19 04:52:56,109 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unshare [2023-11-19 04:52:56,109 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unshare [2023-11-19 04:52:56,110 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_send_mgmt [2023-11-19 04:52:56,110 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_send_mgmt [2023-11-19 04:52:56,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:52:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2023-11-19 04:52:56,111 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2023-11-19 04:52:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 04:52:56,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 04:52:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_wds_del [2023-11-19 04:52:56,112 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_wds_del [2023-11-19 04:52:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_close [2023-11-19 04:52:56,113 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_close [2023-11-19 04:52:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure lib80211_get_crypto_ops [2023-11-19 04:52:56,113 INFO L138 BoogieDeclarations]: Found implementation of procedure lib80211_get_crypto_ops [2023-11-19 04:52:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_set_mac_address [2023-11-19 04:52:56,113 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_set_mac_address [2023-11-19 04:52:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_handle_sta_release [2023-11-19 04:52:56,114 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_handle_sta_release [2023-11-19 04:52:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2023-11-19 04:52:56,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2023-11-19 04:52:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:52:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure ap_control_flush_macs [2023-11-19 04:52:56,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_control_flush_macs [2023-11-19 04:52:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_host_roaming [2023-11-19 04:52:56,115 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_host_roaming [2023-11-19 04:52:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-19 04:52:56,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-19 04:52:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:52:56,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:52:56,117 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 04:52:56,117 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:52:56,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:52:56,117 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 04:52:56,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 04:52:56,118 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_wds_add [2023-11-19 04:52:56,118 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_wds_add [2023-11-19 04:52:56,119 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-19 04:52:56,122 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-19 04:52:56,122 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_get_drvinfo [2023-11-19 04:52:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_get_drvinfo [2023-11-19 04:52:56,123 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_set_multicast_list [2023-11-19 04:52:56,124 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_set_multicast_list [2023-11-19 04:52:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_change_mtu [2023-11-19 04:52:56,126 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_change_mtu [2023-11-19 04:52:56,126 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_deauth_all_stas [2023-11-19 04:52:56,126 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_deauth_all_stas [2023-11-19 04:52:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~$Pointer$ [2023-11-19 04:52:56,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~$Pointer$ [2023-11-19 04:52:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 04:52:56,133 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 04:52:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2023-11-19 04:52:56,133 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2023-11-19 04:52:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 04:52:56,133 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 04:52:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure eth_header_cache [2023-11-19 04:52:56,134 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_header_cache [2023-11-19 04:52:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:52:56,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:52:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-19 04:52:56,134 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-19 04:52:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2023-11-19 04:52:56,134 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2023-11-19 04:52:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:52:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_set_word [2023-11-19 04:52:56,135 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_set_word [2023-11-19 04:52:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:52:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure ap_control_kickall [2023-11-19 04:52:56,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_control_kickall [2023-11-19 04:52:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_add_sta [2023-11-19 04:52:56,135 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_add_sta [2023-11-19 04:52:56,136 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-11-19 04:52:56,136 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-11-19 04:52:56,136 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 04:52:56,136 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 04:52:56,136 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-19 04:52:56,137 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-19 04:52:56,137 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_set_genericelement [2023-11-19 04:52:56,137 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_set_genericelement [2023-11-19 04:52:56,137 INFO L130 BoogieDeclarations]: Found specification of procedure ap_tx_rate_ok [2023-11-19 04:52:56,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_tx_rate_ok [2023-11-19 04:52:56,137 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2023-11-19 04:52:56,137 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2023-11-19 04:52:56,138 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2023-11-19 04:52:56,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2023-11-19 04:52:56,138 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2023-11-19 04:52:56,138 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2023-11-19 04:52:56,138 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2023-11-19 04:52:56,138 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2023-11-19 04:52:56,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 04:52:56,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 04:52:56,139 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2023-11-19 04:52:56,139 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2023-11-19 04:52:56,139 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 04:52:56,139 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 04:52:56,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:52:56,139 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:52:56,139 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 04:52:56,140 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 04:52:56,140 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data_offset [2023-11-19 04:52:56,140 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data_offset [2023-11-19 04:52:56,140 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-19 04:52:56,140 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-19 04:52:56,140 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 04:52:56,140 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 04:52:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-19 04:52:56,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-19 04:52:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:52:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2023-11-19 04:52:56,141 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir [2023-11-19 04:52:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_check_tx_rates [2023-11-19 04:52:56,141 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_check_tx_rates [2023-11-19 04:52:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:52:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-19 04:52:56,142 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-19 04:52:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_monitor_set_type [2023-11-19 04:52:56,142 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_monitor_set_type [2023-11-19 04:52:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_ctl [2023-11-19 04:52:56,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_ctl [2023-11-19 04:52:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-11-19 04:52:56,143 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-11-19 04:52:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:52:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~int [2023-11-19 04:52:56,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~int [2023-11-19 04:52:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-19 04:52:56,143 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-19 04:52:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:52:56,144 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:52:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-19 04:52:56,144 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-19 04:52:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2023-11-19 04:52:56,144 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2023-11-19 04:52:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 04:52:56,145 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 04:52:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 04:52:56,145 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 04:52:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 04:52:56,145 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 04:52:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_get_porttype [2023-11-19 04:52:56,145 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_get_porttype [2023-11-19 04:52:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~u16~0~X~$Pointer$~X~$Pointer$~TO~int [2023-11-19 04:52:56,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~u16~0~X~$Pointer$~X~$Pointer$~TO~int [2023-11-19 04:52:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure lib80211_crypt_delayed_deinit [2023-11-19 04:52:56,146 INFO L138 BoogieDeclarations]: Found implementation of procedure lib80211_crypt_delayed_deinit [2023-11-19 04:52:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_add_interface [2023-11-19 04:52:56,146 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_add_interface [2023-11-19 04:52:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_event_expired_sta [2023-11-19 04:52:56,146 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_event_expired_sta [2023-11-19 04:52:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 04:52:56,147 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 04:52:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 04:52:56,147 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 04:52:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_tx_timeout [2023-11-19 04:52:56,147 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_tx_timeout [2023-11-19 04:52:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:52:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-19 04:52:56,148 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-19 04:52:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-19 04:52:56,148 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-19 04:52:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-19 04:52:56,148 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-19 04:52:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure ap_free_sta [2023-11-19 04:52:56,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_free_sta [2023-11-19 04:52:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:52:56,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:52:56,154 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_80211_header_parse [2023-11-19 04:52:56,154 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_80211_header_parse [2023-11-19 04:52:56,154 INFO L130 BoogieDeclarations]: Found specification of procedure ap_crypt_get_ptrs [2023-11-19 04:52:56,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_crypt_get_ptrs [2023-11-19 04:52:56,154 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_open [2023-11-19 04:52:56,154 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_open [2023-11-19 04:52:56,155 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-19 04:52:56,155 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-19 04:52:56,155 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 04:52:56,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 04:52:56,156 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-19 04:52:56,156 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-19 04:52:56,156 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-19 04:52:56,156 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-19 04:52:56,156 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-11-19 04:52:56,157 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-11-19 04:52:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure create_proc_read_entry [2023-11-19 04:52:56,157 INFO L138 BoogieDeclarations]: Found implementation of procedure create_proc_read_entry [2023-11-19 04:52:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-19 04:52:56,157 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-19 04:52:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 04:52:56,157 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 04:52:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 04:52:56,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 04:52:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_sta_send_mgmt [2023-11-19 04:52:56,158 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_sta_send_mgmt [2023-11-19 04:52:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure eth_header [2023-11-19 04:52:56,158 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_header [2023-11-19 04:52:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:52:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2023-11-19 04:52:56,158 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2023-11-19 04:52:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_request_hostscan [2023-11-19 04:52:56,158 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_request_hostscan [2023-11-19 04:52:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-11-19 04:52:56,158 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-11-19 04:52:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-19 04:52:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_set_encryption [2023-11-19 04:52:56,159 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_set_encryption [2023-11-19 04:52:57,217 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:52:57,228 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:53:09,957 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:53:15,031 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:53:15,031 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:53:15,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:53:15 BoogieIcfgContainer [2023-11-19 04:53:15,050 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:53:15,055 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:53:15,055 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:53:15,059 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:53:15,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:52:45" (1/3) ... [2023-11-19 04:53:15,060 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a1be7a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:53:15, skipping insertion in model container [2023-11-19 04:53:15,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:54" (2/3) ... [2023-11-19 04:53:15,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a1be7a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:53:15, skipping insertion in model container [2023-11-19 04:53:15,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:53:15" (3/3) ... [2023-11-19 04:53:15,063 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--net--wireless--hostap--hostap.ko-main.cil.out.i [2023-11-19 04:53:15,088 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:53:15,088 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:53:15,203 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:53:15,210 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;@707ef99d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:53:15,210 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:53:15,224 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) [2023-11-19 04:53:15,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:53:15,244 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:53:15,245 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:53:15,246 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:53:15,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:53:15,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1475379166, now seen corresponding path program 1 times [2023-11-19 04:53:15,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:53:15,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168959712] [2023-11-19 04:53:15,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:53:15,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:53:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:53:17,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:53:17,031 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:53:17,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168959712] [2023-11-19 04:53:17,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168959712] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:53:17,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:53:17,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:53:17,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128589785] [2023-11-19 04:53:17,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:53:17,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:53:17,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:53:17,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:53:17,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:53:17,093 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) [2023-11-19 04:53:21,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:23,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:25,655 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 [] [2023-11-19 04:53:26,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:53:26,629 INFO L93 Difference]: Finished difference Result 6368 states and 9406 transitions. [2023-11-19 04:53:26,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:53:26,631 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 [2023-11-19 04:53:26,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:53:26,702 INFO L225 Difference]: With dead ends: 6368 [2023-11-19 04:53:26,703 INFO L226 Difference]: Without dead ends: 4234 [2023-11-19 04:53:26,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:53:26,734 INFO L413 NwaCegarLoop]: 3141 mSDtfsCounter, 3110 mSDsluCounter, 2834 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3110 SdHoareTripleChecker+Valid, 5975 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:53:26,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3110 Valid, 5975 Invalid, 610 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 604 Invalid, 3 Unknown, 0 Unchecked, 9.1s Time] [2023-11-19 04:53:26,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4234 states. [2023-11-19 04:53:27,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4234 to 4234. [2023-11-19 04:53:27,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4234 states, 2727 states have (on average 1.381004767143381) internal successors, (3766), 2785 states have internal predecessors, (3766), 1243 states have call successors, (1243), 264 states have call predecessors, (1243), 263 states have return successors, (1240), 1230 states have call predecessors, (1240), 1240 states have call successors, (1240) [2023-11-19 04:53:27,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4234 states to 4234 states and 6249 transitions. [2023-11-19 04:53:27,163 INFO L78 Accepts]: Start accepts. Automaton has 4234 states and 6249 transitions. Word has length 18 [2023-11-19 04:53:27,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:53:27,165 INFO L495 AbstractCegarLoop]: Abstraction has 4234 states and 6249 transitions. [2023-11-19 04:53:27,165 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) [2023-11-19 04:53:27,165 INFO L276 IsEmpty]: Start isEmpty. Operand 4234 states and 6249 transitions. [2023-11-19 04:53:27,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:53:27,173 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:53:27,173 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] [2023-11-19 04:53:27,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:53:27,174 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:53:27,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:53:27,175 INFO L85 PathProgramCache]: Analyzing trace with hash 235493726, now seen corresponding path program 1 times [2023-11-19 04:53:27,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:53:27,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458782655] [2023-11-19 04:53:27,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:53:27,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:53:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat