./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_466ff320-4f16-4b02-a802-5224ee8d0c1d/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466ff320-4f16-4b02-a802-5224ee8d0c1d/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466ff320-4f16-4b02-a802-5224ee8d0c1d/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466ff320-4f16-4b02-a802-5224ee8d0c1d/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466ff320-4f16-4b02-a802-5224ee8d0c1d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466ff320-4f16-4b02-a802-5224ee8d0c1d/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash eaaec3cc0f5537133af92fa7cbd54bc8d5ff0f4d0c87a0d3c9d98d3d6549f9cf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:56:09,294 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:56:09,372 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466ff320-4f16-4b02-a802-5224ee8d0c1d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:56:09,378 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:56:09,378 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:56:09,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:56:09,414 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:56:09,415 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:56:09,416 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:56:09,417 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:56:09,418 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:56:09,418 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:56:09,419 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:56:09,420 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:56:09,420 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:56:09,421 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:56:09,422 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:56:09,423 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:56:09,424 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:56:09,425 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:56:09,425 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:56:09,426 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:56:09,427 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:56:09,427 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:56:09,427 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:56:09,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:56:09,428 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:56:09,429 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:56:09,429 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:56:09,429 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:56:09,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:56:09,431 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:56:09,431 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:56:09,431 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:56:09,432 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:56:09,432 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:56:09,432 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_466ff320-4f16-4b02-a802-5224ee8d0c1d/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466ff320-4f16-4b02-a802-5224ee8d0c1d/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaaec3cc0f5537133af92fa7cbd54bc8d5ff0f4d0c87a0d3c9d98d3d6549f9cf [2023-11-19 07:56:09,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:56:09,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:56:09,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:56:09,816 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:56:09,817 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:56:09,818 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466ff320-4f16-4b02-a802-5224ee8d0c1d/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2023-11-19 07:56:13,134 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:56:13,840 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:56:13,840 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466ff320-4f16-4b02-a802-5224ee8d0c1d/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2023-11-19 07:56:13,910 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466ff320-4f16-4b02-a802-5224ee8d0c1d/bin/uautomizer-verify-uCwYo4JHxu/data/3ee8ded3a/58cdb15d0fd04ed98a99de3026984a3d/FLAGd884d7182 [2023-11-19 07:56:13,935 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466ff320-4f16-4b02-a802-5224ee8d0c1d/bin/uautomizer-verify-uCwYo4JHxu/data/3ee8ded3a/58cdb15d0fd04ed98a99de3026984a3d [2023-11-19 07:56:13,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:56:13,943 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:56:13,945 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:56:13,946 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:56:13,951 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:56:13,952 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:13" (1/1) ... [2023-11-19 07:56:13,955 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@96980d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:13, skipping insertion in model container [2023-11-19 07:56:13,956 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:13" (1/1) ... [2023-11-19 07:56:14,143 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:56:15,342 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_466ff320-4f16-4b02-a802-5224ee8d0c1d/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i[210460,210473] [2023-11-19 07:56:18,071 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:56:18,130 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:56:18,269 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7071] [2023-11-19 07:56:18,271 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7074] [2023-11-19 07:56:18,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [7076] [2023-11-19 07:56:18,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [7081] [2023-11-19 07:56:18,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [7084] [2023-11-19 07:56:18,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [7086] [2023-11-19 07:56:18,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [7091] [2023-11-19 07:56:18,274 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [7094] [2023-11-19 07:56:18,274 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [7096] [2023-11-19 07:56:18,275 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [7101] [2023-11-19 07:56:18,275 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [7104] [2023-11-19 07:56:18,275 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [7106] [2023-11-19 07:56:18,276 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7124] [2023-11-19 07:56:18,277 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7127] [2023-11-19 07:56:18,277 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [7129] [2023-11-19 07:56:18,277 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [7134] [2023-11-19 07:56:18,278 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [7137] [2023-11-19 07:56:18,278 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [7139] [2023-11-19 07:56:18,278 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [7144] [2023-11-19 07:56:18,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [7147] [2023-11-19 07:56:18,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [7149] [2023-11-19 07:56:18,280 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [7154] [2023-11-19 07:56:18,280 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [7157] [2023-11-19 07:56:18,280 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [7159] [2023-11-19 07:56:18,282 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7196] [2023-11-19 07:56:18,282 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7203] [2023-11-19 07:56:18,341 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_466ff320-4f16-4b02-a802-5224ee8d0c1d/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i[210460,210473] [2023-11-19 07:56:18,422 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [9223-9224] [2023-11-19 07:56:18,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [9229-9231] [2023-11-19 07:56:18,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [9261] [2023-11-19 07:56:18,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [9268] [2023-11-19 07:56:18,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [9337-9338] [2023-11-19 07:56:18,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [9366-9367] [2023-11-19 07:56:18,477 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [10636] [2023-11-19 07:56:18,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:56:18,938 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:56:18,939 WARN L675 CHandler]: The function __VERIFIER_nondet_u16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:56:18,939 WARN L675 CHandler]: The function __VERIFIER_nondet_u8 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:56:18,940 WARN L675 CHandler]: The function __VERIFIER_nondet_u32 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:56:18,940 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:56:18,948 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:56:18,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:18 WrapperNode [2023-11-19 07:56:18,949 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:56:18,950 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:56:18,950 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:56:18,951 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:56:18,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:18" (1/1) ... [2023-11-19 07:56:19,111 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:18" (1/1) ... [2023-11-19 07:56:19,554 INFO L138 Inliner]: procedures = 405, calls = 4309, calls flagged for inlining = 195, calls inlined = 169, statements flattened = 9519 [2023-11-19 07:56:19,555 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:56:19,555 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:56:19,556 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:56:19,556 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:56:19,566 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:18" (1/1) ... [2023-11-19 07:56:19,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:18" (1/1) ... [2023-11-19 07:56:19,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:18" (1/1) ... [2023-11-19 07:56:19,654 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:18" (1/1) ... [2023-11-19 07:56:20,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:18" (1/1) ... [2023-11-19 07:56:20,049 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:18" (1/1) ... [2023-11-19 07:56:20,108 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:18" (1/1) ... [2023-11-19 07:56:20,147 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:18" (1/1) ... [2023-11-19 07:56:20,221 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:56:20,223 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:56:20,223 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:56:20,223 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:56:20,225 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:18" (1/1) ... [2023-11-19 07:56:20,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:56:20,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466ff320-4f16-4b02-a802-5224ee8d0c1d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:56:20,269 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466ff320-4f16-4b02-a802-5224ee8d0c1d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:56:20,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466ff320-4f16-4b02-a802-5224ee8d0c1d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:56:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_ctl_blks [2023-11-19 07:56:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_ctl_blks [2023-11-19 07:56:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_ch_alloc_skb [2023-11-19 07:56:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_ch_alloc_skb [2023-11-19 07:56:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_remove_interface [2023-11-19 07:56:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_remove_interface [2023-11-19 07:56:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_txskb [2023-11-19 07:56:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_txskb [2023-11-19 07:56:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-19 07:56:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-19 07:56:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:56:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:56:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2023-11-19 07:56:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2023-11-19 07:56:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 07:56:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 07:56:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure get_feat_caps [2023-11-19 07:56:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure get_feat_caps [2023-11-19 07:56:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_probe [2023-11-19 07:56:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_probe [2023-11-19 07:56:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_allocate_ctl_block [2023-11-19 07:56:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_allocate_ctl_block [2023-11-19 07:56:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40_plus [2023-11-19 07:56:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40_plus [2023-11-19 07:56:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 07:56:20,330 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 07:56:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_enable_ch_int [2023-11-19 07:56:20,330 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_enable_ch_int [2023-11-19 07:56:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sta_remove [2023-11-19 07:56:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sta_remove [2023-11-19 07:56:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_start [2023-11-19 07:56:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_start [2023-11-19 07:56:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:56:20,333 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:56:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 07:56:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_pmc_enter_bmps_state [2023-11-19 07:56:20,334 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_pmc_enter_bmps_state [2023-11-19 07:56:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_ch_free_skbs [2023-11-19 07:56:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_ch_free_skbs [2023-11-19 07:56:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_configure_filter [2023-11-19 07:56:20,336 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_configure_filter [2023-11-19 07:56:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_convert_sta_to_v1 [2023-11-19 07:56:20,336 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_convert_sta_to_v1 [2023-11-19 07:56:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2023-11-19 07:56:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 07:56:20,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 07:56:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:56:20,337 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:56:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:56:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_stop [2023-11-19 07:56:20,338 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_stop [2023-11-19 07:56:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-19 07:56:20,338 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-19 07:56:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 07:56:20,339 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 07:56:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 07:56:20,340 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 07:56:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:56:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-19 07:56:20,341 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-19 07:56:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 07:56:20,341 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 07:56:20,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:56:20,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:56:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 07:56:20,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 07:56:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2023-11-19 07:56:20,343 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2023-11-19 07:56:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:56:20,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:56:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_config_sta [2023-11-19 07:56:20,344 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_config_sta [2023-11-19 07:56:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2023-11-19 07:56:20,344 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2023-11-19 07:56:20,345 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-19 07:56:20,345 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-19 07:56:20,345 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_link_st [2023-11-19 07:56:20,345 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_link_st [2023-11-19 07:56:20,346 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2023-11-19 07:56:20,346 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2023-11-19 07:56:20,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2023-11-19 07:56:20,347 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~u32~0~X~~u32~0~TO~int [2023-11-19 07:56:20,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~u32~0~X~~u32~0~TO~int [2023-11-19 07:56:20,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:56:20,347 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-19 07:56:20,347 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-19 07:56:20,348 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-19 07:56:20,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-19 07:56:20,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:56:20,349 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2023-11-19 07:56:20,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2023-11-19 07:56:20,350 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_config [2023-11-19 07:56:20,350 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_config [2023-11-19 07:56:20,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:56:20,351 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 07:56:20,351 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_key [2023-11-19 07:56:20,351 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_key [2023-11-19 07:56:20,351 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:56:20,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:56:20,351 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 07:56:20,352 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 07:56:20,352 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_add_interface [2023-11-19 07:56:20,353 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_add_interface [2023-11-19 07:56:20,353 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_config_bss [2023-11-19 07:56:20,354 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_config_bss [2023-11-19 07:56:20,354 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_mem_pools [2023-11-19 07:56:20,354 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_mem_pools [2023-11-19 07:56:20,355 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource_byname [2023-11-19 07:56:20,355 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource_byname [2023-11-19 07:56:20,355 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_stop [2023-11-19 07:56:20,355 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_stop [2023-11-19 07:56:20,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:56:20,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:56:20,357 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 07:56:20,357 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 07:56:20,357 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_tx [2023-11-19 07:56:20,358 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_tx [2023-11-19 07:56:20,359 INFO L130 BoogieDeclarations]: Found specification of procedure buff_to_be [2023-11-19 07:56:20,362 INFO L138 BoogieDeclarations]: Found implementation of procedure buff_to_be [2023-11-19 07:56:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:56:20,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:56:20,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:56:20,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:56:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_power_params [2023-11-19 07:56:20,365 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_power_params [2023-11-19 07:56:20,366 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-19 07:56:20,366 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-19 07:56:20,371 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sta_add [2023-11-19 07:56:20,372 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sta_add [2023-11-19 07:56:20,372 INFO L130 BoogieDeclarations]: Found specification of procedure get_vif_by_addr [2023-11-19 07:56:20,372 INFO L138 BoogieDeclarations]: Found implementation of procedure get_vif_by_addr [2023-11-19 07:56:20,372 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-19 07:56:20,372 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-19 07:56:20,372 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2023-11-19 07:56:20,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2023-11-19 07:56:20,373 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 07:56:20,373 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 07:56:20,373 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2023-11-19 07:56:20,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2023-11-19 07:56:20,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:56:20,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:56:20,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:56:20,374 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:56:20,374 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2023-11-19 07:56:20,374 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2023-11-19 07:56:20,375 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:56:20,375 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:56:20,375 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_stakey [2023-11-19 07:56:20,375 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_stakey [2023-11-19 07:56:20,375 INFO L130 BoogieDeclarations]: Found specification of procedure get_sta_index [2023-11-19 07:56:20,375 INFO L138 BoogieDeclarations]: Found implementation of procedure get_sta_index [2023-11-19 07:56:20,376 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_dump [2023-11-19 07:56:20,376 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_dump [2023-11-19 07:56:20,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:56:20,376 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 07:56:20,376 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 07:56:20,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:56:20,377 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_rsp_status_check [2023-11-19 07:56:20,377 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_rsp_status_check [2023-11-19 07:56:20,377 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_delete_bss [2023-11-19 07:56:20,377 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_delete_bss [2023-11-19 07:56:20,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2023-11-19 07:56:20,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2023-11-19 07:56:20,378 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40_minus [2023-11-19 07:56:20,378 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40_minus [2023-11-19 07:56:20,378 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_bss_info_changed [2023-11-19 07:56:20,378 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_bss_info_changed [2023-11-19 07:56:20,379 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_remove [2023-11-19 07:56:20,379 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_remove [2023-11-19 07:56:20,379 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-11-19 07:56:20,379 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-11-19 07:56:20,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:56:20,379 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:56:20,380 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:56:20,380 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-19 07:56:20,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-19 07:56:20,380 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_fill_skb [2023-11-19 07:56:20,380 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_fill_skb [2023-11-19 07:56:20,380 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 07:56:20,381 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 07:56:20,381 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 07:56:20,381 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 07:56:20,381 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sw_scan_complete [2023-11-19 07:56:20,381 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sw_scan_complete [2023-11-19 07:56:20,381 INFO L130 BoogieDeclarations]: Found specification of procedure is_cap_supported [2023-11-19 07:56:20,382 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cap_supported [2023-11-19 07:56:20,382 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_update_allowed_rates [2023-11-19 07:56:20,382 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_update_allowed_rates [2023-11-19 07:56:20,382 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-19 07:56:20,382 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-19 07:56:20,382 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_is_fw_version [2023-11-19 07:56:20,384 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_is_fw_version [2023-11-19 07:56:20,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 07:56:20,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 07:56:20,385 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_read_register [2023-11-19 07:56:20,385 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_read_register [2023-11-19 07:56:20,385 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_pmc_exit_bmps_state [2023-11-19 07:56:20,385 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_pmc_exit_bmps_state [2023-11-19 07:56:20,386 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-19 07:56:20,386 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-19 07:56:20,386 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sw_scan_start [2023-11-19 07:56:20,386 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sw_scan_start [2023-11-19 07:56:20,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2023-11-19 07:56:20,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2023-11-19 07:56:20,387 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:56:20,387 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:56:20,387 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2023-11-19 07:56:20,387 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2023-11-19 07:56:20,387 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_close [2023-11-19 07:56:20,388 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_close [2023-11-19 07:56:20,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:56:20,388 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-19 07:56:20,388 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-19 07:56:20,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:56:20,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:56:20,389 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_resume [2023-11-19 07:56:20,389 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_resume [2023-11-19 07:56:20,389 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_rts_threshold [2023-11-19 07:56:20,389 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_rts_threshold [2023-11-19 07:56:20,389 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_sta_params [2023-11-19 07:56:20,389 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_sta_params [2023-11-19 07:56:20,390 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_ampdu_action [2023-11-19 07:56:20,390 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_ampdu_action [2023-11-19 07:56:20,390 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_init_descs [2023-11-19 07:56:20,390 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_init_descs [2023-11-19 07:56:20,390 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2023-11-19 07:56:20,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2023-11-19 07:56:20,391 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-19 07:56:20,391 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-19 07:56:20,391 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-19 07:56:20,391 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-19 07:56:20,391 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_write_register [2023-11-19 07:56:20,391 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_write_register [2023-11-19 07:56:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_tx_pdu [2023-11-19 07:56:20,392 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_tx_pdu [2023-11-19 07:56:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_suspend [2023-11-19 07:56:20,392 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_suspend [2023-11-19 07:56:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_add_ba_session [2023-11-19 07:56:20,392 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_add_ba_session [2023-11-19 07:56:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_send_and_wait [2023-11-19 07:56:20,393 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_send_and_wait [2023-11-19 07:56:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_init_tx_bd [2023-11-19 07:56:20,393 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_init_tx_bd [2023-11-19 07:56:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_ctl_block [2023-11-19 07:56:20,395 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_ctl_block [2023-11-19 07:56:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-19 07:56:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-19 07:56:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2023-11-19 07:56:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2023-11-19 07:56:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_bool_bmps [2023-11-19 07:56:20,400 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_bool_bmps [2023-11-19 07:56:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-19 07:56:20,400 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-19 07:56:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:56:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2023-11-19 07:56:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2023-11-19 07:56:20,402 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2023-11-19 07:56:21,814 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:56:21,819 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:56:22,802 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:56:51,838 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:56:51,875 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:56:51,875 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 07:56:51,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:51 BoogieIcfgContainer [2023-11-19 07:56:51,896 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:56:51,900 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:56:51,900 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:56:51,904 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:56:51,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:56:13" (1/3) ... [2023-11-19 07:56:51,906 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53bae32f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:56:51, skipping insertion in model container [2023-11-19 07:56:51,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:18" (2/3) ... [2023-11-19 07:56:51,907 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53bae32f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:56:51, skipping insertion in model container [2023-11-19 07:56:51,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:51" (3/3) ... [2023-11-19 07:56:51,910 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2023-11-19 07:56:51,931 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:56:51,931 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:56:52,065 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:56:52,074 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=PETRI_NET, 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;@2dde5fa3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:56:52,075 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:56:52,092 INFO L276 IsEmpty]: Start isEmpty. Operand has 3227 states, 2239 states have (on average 1.3617686467172845) internal successors, (3049), 2264 states have internal predecessors, (3049), 869 states have call successors, (869), 118 states have call predecessors, (869), 117 states have return successors, (863), 863 states have call predecessors, (863), 863 states have call successors, (863) [2023-11-19 07:56:52,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 07:56:52,131 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:56:52,132 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:52,132 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:56:52,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:52,141 INFO L85 PathProgramCache]: Analyzing trace with hash 589926614, now seen corresponding path program 1 times [2023-11-19 07:56:52,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:52,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428858469] [2023-11-19 07:56:52,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:52,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:53,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:56:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:53,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:56:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:53,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:56:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:53,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:56:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:53,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-19 07:56:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:53,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:56:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:53,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:56:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:53,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-19 07:56:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:53,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-19 07:56:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:53,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 07:56:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:53,989 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-19 07:56:53,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:53,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428858469] [2023-11-19 07:56:53,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428858469] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:53,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:53,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:56:53,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090730117] [2023-11-19 07:56:53,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:53,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:56:54,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:54,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:56:54,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:56:54,055 INFO L87 Difference]: Start difference. First operand has 3227 states, 2239 states have (on average 1.3617686467172845) internal successors, (3049), 2264 states have internal predecessors, (3049), 869 states have call successors, (869), 118 states have call predecessors, (869), 117 states have return successors, (863), 863 states have call predecessors, (863), 863 states have call successors, (863) Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)