./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--cx231xx--cx231xx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4cbed7-4ed0-4f48-b165-e33683314868/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4cbed7-4ed0-4f48-b165-e33683314868/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4cbed7-4ed0-4f48-b165-e33683314868/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4cbed7-4ed0-4f48-b165-e33683314868/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--cx231xx--cx231xx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4cbed7-4ed0-4f48-b165-e33683314868/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4cbed7-4ed0-4f48-b165-e33683314868/bin/utaipan-verify-nQ1chXbOIh --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 694f0dd77203b6592b90bd6fc4ea6793d8823d4b2d8ce7a2676ec6983f226b55 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 08:32:34,266 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 08:32:34,336 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4cbed7-4ed0-4f48-b165-e33683314868/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 08:32:34,341 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 08:32:34,341 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 08:32:34,367 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 08:32:34,368 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 08:32:34,369 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 08:32:34,369 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 08:32:34,370 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 08:32:34,370 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 08:32:34,371 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 08:32:34,371 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 08:32:34,372 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 08:32:34,372 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 08:32:34,373 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 08:32:34,373 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 08:32:34,374 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 08:32:34,374 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 08:32:34,375 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 08:32:34,375 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 08:32:34,376 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 08:32:34,377 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 08:32:34,377 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 08:32:34,378 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 08:32:34,378 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 08:32:34,379 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 08:32:34,379 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 08:32:34,379 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 08:32:34,380 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 08:32:34,380 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 08:32:34,381 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 08:32:34,381 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 08:32:34,381 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 08:32:34,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 08:32:34,382 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 08:32:34,382 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 08:32:34,382 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 08:32:34,383 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 08:32:34,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 08:32:34,383 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 08:32:34,383 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 08:32:34,383 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 08:32:34,384 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 08:32:34,384 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_2f4cbed7-4ed0-4f48-b165-e33683314868/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4cbed7-4ed0-4f48-b165-e33683314868/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 694f0dd77203b6592b90bd6fc4ea6793d8823d4b2d8ce7a2676ec6983f226b55 [2023-12-02 08:32:34,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 08:32:34,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 08:32:34,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 08:32:34,621 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 08:32:34,622 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 08:32:34,623 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4cbed7-4ed0-4f48-b165-e33683314868/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--cx231xx--cx231xx.ko-entry_point.cil.out.i [2023-12-02 08:32:37,315 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 08:32:38,094 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 08:32:38,095 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4cbed7-4ed0-4f48-b165-e33683314868/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--cx231xx--cx231xx.ko-entry_point.cil.out.i [2023-12-02 08:32:38,173 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4cbed7-4ed0-4f48-b165-e33683314868/bin/utaipan-verify-nQ1chXbOIh/data/f8d64853b/64d63dab07de426caf3b33a0965ba3d4/FLAG492467aee [2023-12-02 08:32:38,375 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4cbed7-4ed0-4f48-b165-e33683314868/bin/utaipan-verify-nQ1chXbOIh/data/f8d64853b/64d63dab07de426caf3b33a0965ba3d4 [2023-12-02 08:32:38,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 08:32:38,379 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 08:32:38,381 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 08:32:38,381 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 08:32:38,386 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 08:32:38,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:32:38" (1/1) ... [2023-12-02 08:32:38,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@547d142d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:38, skipping insertion in model container [2023-12-02 08:32:38,388 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:32:38" (1/1) ... [2023-12-02 08:32:38,667 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 08:32:39,144 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4529] [2023-12-02 08:32:46,563 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_2f4cbed7-4ed0-4f48-b165-e33683314868/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--cx231xx--cx231xx.ko-entry_point.cil.out.i[959959,959972] [2023-12-02 08:32:47,398 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 08:32:47,594 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 08:32:47,684 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4529] [2023-12-02 08:32:47,792 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"); [8128] [2023-12-02 08:32:47,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [8306] [2023-12-02 08:32:47,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [8309] [2023-12-02 08:32:47,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [8312] [2023-12-02 08:32:47,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [8315] [2023-12-02 08:32:47,855 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/3986/dscv_tempdir/dscv/ri/32_7a/drivers/media/usb/cx231xx/cx231xx-video.c"), "i" (752), "i" (12UL)); [9352-9353] [2023-12-02 08:32:48,192 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/3986/dscv_tempdir/dscv/ri/32_7a/drivers/media/usb/cx231xx/cx231xx-i2c.c"), "i" (528), "i" (12UL)); [13553-13554] [2023-12-02 08:32:48,210 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)); [13871] [2023-12-02 08:32:48,211 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [13879-13880] [2023-12-02 08:32:48,286 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" (831), "i" (12UL)); [15983-15984] [2023-12-02 08:32:48,287 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" (43UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [15989-15991] [2023-12-02 08:32:48,287 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)); [16005] [2023-12-02 08:32:48,287 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)); [16012] [2023-12-02 08:32:48,288 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [16051] [2023-12-02 08:32:48,288 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [16054] [2023-12-02 08:32:48,288 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [16057] [2023-12-02 08:32:48,289 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [16060] [2023-12-02 08:32:48,517 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; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [23910-23911] [2023-12-02 08:32:48,517 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; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [23914-23915] [2023-12-02 08:32:48,518 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; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [23918-23919] [2023-12-02 08:32:48,519 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; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [23922-23923] [2023-12-02 08:32:48,520 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; cmpxchgb %2,%1": "=a" (__ret), "+m" (*__ptr): "q" (__new), "0" (__old): "memory"); [23955-23956] [2023-12-02 08:32:48,521 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; cmpxchgw %2,%1": "=a" (__ret), "+m" (*__ptr___0): "r" (__new), "0" (__old): "memory"); [23960-23961] [2023-12-02 08:32:48,521 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; cmpxchgl %2,%1": "=a" (__ret), "+m" (*__ptr___1): "r" (__new), "0" (__old): "memory"); [23965-23966] [2023-12-02 08:32:48,522 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; cmpxchgq %2,%1": "=a" (__ret), "+m" (*__ptr___2): "r" (__new), "0" (__old): "memory"); [23970-23971] [2023-12-02 08:32:48,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [24004] [2023-12-02 08:32:48,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [24007] [2023-12-02 08:32:48,524 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [24010] [2023-12-02 08:32:48,524 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [24013] [2023-12-02 08:32:48,567 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/3986/dscv_tempdir/dscv/ri/32_7a/drivers/media/usb/cx231xx/cx231xx-417.c"), "i" (1252), "i" (12UL)); [25072-25073] [2023-12-02 08:32:48,721 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" (831), "i" (12UL)); [27387-27388] [2023-12-02 08:32:48,722 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" (43UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [27393-27395] [2023-12-02 08:32:48,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [27417] [2023-12-02 08:32:48,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [27420] [2023-12-02 08:32:48,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [27423] [2023-12-02 08:32:48,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [27426] [2023-12-02 08:32:48,733 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/3986/dscv_tempdir/dscv/ri/32_7a/drivers/media/usb/cx231xx/cx231xx-vbi.c"), "i" (195), "i" (12UL)); [27610-27611] [2023-12-02 08:32:48,786 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_2f4cbed7-4ed0-4f48-b165-e33683314868/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--cx231xx--cx231xx.ko-entry_point.cil.out.i[959959,959972] [2023-12-02 08:32:48,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 08:32:49,360 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 08:32:49,360 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 08:32:49,360 WARN L675 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 08:32:49,360 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 08:32:49,367 INFO L206 MainTranslator]: Completed translation [2023-12-02 08:32:49,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:49 WrapperNode [2023-12-02 08:32:49,367 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 08:32:49,368 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 08:32:49,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 08:32:49,369 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 08:32:49,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:49" (1/1) ... [2023-12-02 08:32:49,717 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:49" (1/1) ... [2023-12-02 08:32:51,583 INFO L138 Inliner]: procedures = 841, calls = 25839, calls flagged for inlining = 240, calls inlined = 224, statements flattened = 33028 [2023-12-02 08:32:51,584 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 08:32:51,585 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 08:32:51,585 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 08:32:51,586 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 08:32:51,597 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:49" (1/1) ... [2023-12-02 08:32:51,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:49" (1/1) ... [2023-12-02 08:32:52,621 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:49" (1/1) ... [2023-12-02 08:32:52,637 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:49" (1/1) ... [2023-12-02 08:32:54,801 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:49" (1/1) ... [2023-12-02 08:32:54,863 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:49" (1/1) ... [2023-12-02 08:32:55,048 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:49" (1/1) ... [2023-12-02 08:32:55,104 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:49" (1/1) ... [2023-12-02 08:32:55,255 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 08:32:55,256 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 08:32:55,256 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 08:32:55,256 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 08:32:55,257 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:49" (1/1) ... [2023-12-02 08:32:55,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 08:32:55,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4cbed7-4ed0-4f48-b165-e33683314868/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 08:32:55,284 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4cbed7-4ed0-4f48-b165-e33683314868/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 08:32:55,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4cbed7-4ed0-4f48-b165-e33683314868/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 08:32:55,337 INFO L130 BoogieDeclarations]: Found specification of procedure mc417_memory_write [2023-12-02 08:32:55,338 INFO L138 BoogieDeclarations]: Found implementation of procedure mc417_memory_write [2023-12-02 08:32:55,338 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-12-02 08:32:55,338 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-12-02 08:32:55,338 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_reqbufs [2023-12-02 08:32:55,338 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_reqbufs [2023-12-02 08:32:55,338 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_unmute_audio [2023-12-02 08:32:55,338 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_unmute_audio [2023-12-02 08:32:55,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_cx231xx [2023-12-02 08:32:55,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_cx231xx [2023-12-02 08:32:55,339 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_i2c_mux_unregister [2023-12-02 08:32:55,339 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_i2c_mux_unregister [2023-12-02 08:32:55,339 INFO L130 BoogieDeclarations]: Found specification of procedure vid_blk_write_word [2023-12-02 08:32:55,339 INFO L138 BoogieDeclarations]: Found implementation of procedure vid_blk_write_word [2023-12-02 08:32:55,339 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap [2023-12-02 08:32:55,339 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap [2023-12-02 08:32:55,339 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap___0 [2023-12-02 08:32:55,339 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap___0 [2023-12-02 08:32:55,339 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_mci_complete [2023-12-02 08:32:55,340 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_mci_complete [2023-12-02 08:32:55,340 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-12-02 08:32:55,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-12-02 08:32:55,340 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2023-12-02 08:32:55,340 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2023-12-02 08:32:55,340 INFO L130 BoogieDeclarations]: Found specification of procedure request_module_async [2023-12-02 08:32:55,341 INFO L138 BoogieDeclarations]: Found implementation of procedure request_module_async [2023-12-02 08:32:55,341 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_exit [2023-12-02 08:32:55,341 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_exit [2023-12-02 08:32:55,341 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_buffer_setup [2023-12-02 08:32:55,341 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_buffer_setup [2023-12-02 08:32:55,341 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-12-02 08:32:55,341 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-12-02 08:32:55,341 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_dif_set_standard [2023-12-02 08:32:55,342 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_dif_set_standard [2023-12-02 08:32:55,342 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_read_ctrl_reg [2023-12-02 08:32:55,342 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_read_ctrl_reg [2023-12-02 08:32:55,342 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_send_gpio_cmd [2023-12-02 08:32:55,342 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_send_gpio_cmd [2023-12-02 08:32:55,342 INFO L130 BoogieDeclarations]: Found specification of procedure res_free [2023-12-02 08:32:55,342 INFO L138 BoogieDeclarations]: Found implementation of procedure res_free [2023-12-02 08:32:55,343 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_g_register [2023-12-02 08:32:55,343 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_g_register [2023-12-02 08:32:55,343 INFO L130 BoogieDeclarations]: Found specification of procedure set_itvc_reg [2023-12-02 08:32:55,343 INFO L138 BoogieDeclarations]: Found implementation of procedure set_itvc_reg [2023-12-02 08:32:55,343 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_gpio_bit [2023-12-02 08:32:55,343 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_gpio_bit [2023-12-02 08:32:55,344 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_gpio_set [2023-12-02 08:32:55,344 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_gpio_set [2023-12-02 08:32:55,344 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2023-12-02 08:32:55,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2023-12-02 08:32:55,344 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 08:32:55,344 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf___0 [2023-12-02 08:32:55,344 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf___0 [2023-12-02 08:32:55,344 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-12-02 08:32:55,344 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-12-02 08:32:55,344 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-12-02 08:32:55,345 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-12-02 08:32:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-12-02 08:32:55,345 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-12-02 08:32:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-12-02 08:32:55,345 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf___0 [2023-12-02 08:32:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf___0 [2023-12-02 08:32:55,345 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_enum_input [2023-12-02 08:32:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_enum_input [2023-12-02 08:32:55,346 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_i2s_blk_set_audio_input [2023-12-02 08:32:55,346 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_i2s_blk_set_audio_input [2023-12-02 08:32:55,346 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_reg_mask_write [2023-12-02 08:32:55,346 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_reg_mask_write [2023-12-02 08:32:55,346 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-12-02 08:32:55,346 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-12-02 08:32:55,346 INFO L130 BoogieDeclarations]: Found specification of procedure is_fw_load [2023-12-02 08:32:55,346 INFO L138 BoogieDeclarations]: Found implementation of procedure is_fw_load [2023-12-02 08:32:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_field [2023-12-02 08:32:55,347 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_field [2023-12-02 08:32:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~v4l2_std_id~0~TO~int [2023-12-02 08:32:55,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~v4l2_std_id~0~TO~int [2023-12-02 08:32:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap___0 [2023-12-02 08:32:55,347 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap___0 [2023-12-02 08:32:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_add_handler [2023-12-02 08:32:55,347 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_add_handler [2023-12-02 08:32:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2023-12-02 08:32:55,348 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2023-12-02 08:32:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_Setup_AFE_for_LowIF [2023-12-02 08:32:55,348 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_Setup_AFE_for_LowIF [2023-12-02 08:32:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_mode_register [2023-12-02 08:32:55,348 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_mode_register [2023-12-02 08:32:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure free_buffer___0 [2023-12-02 08:32:55,348 INFO L138 BoogieDeclarations]: Found implementation of procedure free_buffer___0 [2023-12-02 08:32:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure free_buffer___1 [2023-12-02 08:32:55,348 INFO L138 BoogieDeclarations]: Found implementation of procedure free_buffer___1 [2023-12-02 08:32:55,349 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vbi_cap [2023-12-02 08:32:55,349 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vbi_cap [2023-12-02 08:32:55,349 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_417_unregister [2023-12-02 08:32:55,349 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_417_unregister [2023-12-02 08:32:55,349 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_qbuf [2023-12-02 08:32:55,349 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_qbuf [2023-12-02 08:32:55,349 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-12-02 08:32:55,349 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-12-02 08:32:55,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 08:32:55,350 INFO L130 BoogieDeclarations]: Found specification of procedure bb_buf_setup [2023-12-02 08:32:55,350 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_buf_setup [2023-12-02 08:32:55,350 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_v4l2_poll [2023-12-02 08:32:55,350 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_v4l2_poll [2023-12-02 08:32:55,350 INFO L130 BoogieDeclarations]: Found specification of procedure mc417_register_read [2023-12-02 08:32:55,351 INFO L138 BoogieDeclarations]: Found implementation of procedure mc417_register_read [2023-12-02 08:32:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-12-02 08:32:55,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-12-02 08:32:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_afe_init_channels [2023-12-02 08:32:55,351 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_afe_init_channels [2023-12-02 08:32:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-12-02 08:32:55,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-12-02 08:32:55,352 INFO L130 BoogieDeclarations]: Found specification of procedure mc417_register_write [2023-12-02 08:32:55,352 INFO L138 BoogieDeclarations]: Found implementation of procedure mc417_register_write [2023-12-02 08:32:55,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 08:32:55,352 INFO L130 BoogieDeclarations]: Found specification of procedure video_mux [2023-12-02 08:32:55,352 INFO L138 BoogieDeclarations]: Found implementation of procedure video_mux [2023-12-02 08:32:55,352 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_mode [2023-12-02 08:32:55,353 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_mode [2023-12-02 08:32:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_gpio_value [2023-12-02 08:32:55,353 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_gpio_value [2023-12-02 08:32:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_release_analog_resources [2023-12-02 08:32:55,353 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_release_analog_resources [2023-12-02 08:32:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure restartAudioFirmware [2023-12-02 08:32:55,354 INFO L138 BoogieDeclarations]: Found implementation of procedure restartAudioFirmware [2023-12-02 08:32:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 08:32:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-12-02 08:32:55,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-12-02 08:32:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 08:32:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-12-02 08:32:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure mpeg_poll [2023-12-02 08:32:55,354 INFO L138 BoogieDeclarations]: Found implementation of procedure mpeg_poll [2023-12-02 08:32:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_queue [2023-12-02 08:32:55,354 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_queue [2023-12-02 08:32:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_model [2023-12-02 08:32:55,355 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_model [2023-12-02 08:32:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-12-02 08:32:55,355 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-12-02 08:32:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_dev_init [2023-12-02 08:32:55,355 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_dev_init [2023-12-02 08:32:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure format_by_fourcc [2023-12-02 08:32:55,355 INFO L138 BoogieDeclarations]: Found implementation of procedure format_by_fourcc [2023-12-02 08:32:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_timestamp [2023-12-02 08:32:55,355 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_timestamp [2023-12-02 08:32:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_buffer_queue [2023-12-02 08:32:55,355 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_buffer_queue [2023-12-02 08:32:55,356 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vbi_cap [2023-12-02 08:32:55,356 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vbi_cap [2023-12-02 08:32:55,356 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_init_class [2023-12-02 08:32:55,356 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_init_class [2023-12-02 08:32:55,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_cx231xx [2023-12-02 08:32:55,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_cx231xx [2023-12-02 08:32:55,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 08:32:55,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 08:32:55,356 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-12-02 08:32:55,356 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-12-02 08:32:55,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-02 08:32:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf___0 [2023-12-02 08:32:55,357 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf___0 [2023-12-02 08:32:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure stopAudioFirmware [2023-12-02 08:32:55,357 INFO L138 BoogieDeclarations]: Found implementation of procedure stopAudioFirmware [2023-12-02 08:32:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_g_input [2023-12-02 08:32:55,357 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_g_input [2023-12-02 08:32:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_check_fw [2023-12-02 08:32:55,357 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_check_fw [2023-12-02 08:32:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2023-12-02 08:32:55,357 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2023-12-02 08:32:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_i2c_unregister [2023-12-02 08:32:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_i2c_unregister [2023-12-02 08:32:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-12-02 08:32:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-12-02 08:32:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-12-02 08:32:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-12-02 08:32:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-12-02 08:32:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-12-02 08:32:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2023-12-02 08:32:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2023-12-02 08:32:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i2c_lock_of_cx231xx [2023-12-02 08:32:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i2c_lock_of_cx231xx [2023-12-02 08:32:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 08:32:55,359 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 08:32:55,359 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-12-02 08:32:55,359 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-12-02 08:32:55,359 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2023-12-02 08:32:55,359 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2023-12-02 08:32:55,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 08:32:55,359 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_get_vbi_line [2023-12-02 08:32:55,359 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_get_vbi_line [2023-12-02 08:32:55,359 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-12-02 08:32:55,359 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-12-02 08:32:55,359 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_config [2023-12-02 08:32:55,359 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_config [2023-12-02 08:32:55,360 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_s_video_encoding [2023-12-02 08:32:55,360 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_s_video_encoding [2023-12-02 08:32:55,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 08:32:55,360 INFO L130 BoogieDeclarations]: Found specification of procedure vid_blk_read_byte [2023-12-02 08:32:55,360 INFO L138 BoogieDeclarations]: Found implementation of procedure vid_blk_read_byte [2023-12-02 08:32:55,360 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-12-02 08:32:55,360 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-12-02 08:32:55,360 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2023-12-02 08:32:55,360 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2023-12-02 08:32:55,360 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_unregister_media_device [2023-12-02 08:32:55,360 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_unregister_media_device [2023-12-02 08:32:55,360 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_get_i2c_adap [2023-12-02 08:32:55,361 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_get_i2c_adap [2023-12-02 08:32:55,361 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_gpio_i2c_write_byte [2023-12-02 08:32:55,361 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_gpio_i2c_write_byte [2023-12-02 08:32:55,361 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_afe_adjust_ref_count [2023-12-02 08:32:55,361 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_afe_adjust_ref_count [2023-12-02 08:32:55,361 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-12-02 08:32:55,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-12-02 08:32:55,361 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-12-02 08:32:55,361 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-12-02 08:32:55,361 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-12-02 08:32:55,361 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-12-02 08:32:55,361 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_write_i2c_data [2023-12-02 08:32:55,362 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_write_i2c_data [2023-12-02 08:32:55,362 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_init_bulk [2023-12-02 08:32:55,362 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_init_bulk [2023-12-02 08:32:55,362 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-12-02 08:32:55,362 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-12-02 08:32:55,362 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_stop [2023-12-02 08:32:55,362 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_stop [2023-12-02 08:32:55,362 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-12-02 08:32:55,362 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-12-02 08:32:55,362 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_g_tuner [2023-12-02 08:32:55,362 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_g_tuner [2023-12-02 08:32:55,362 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_reset_vbi_buffer [2023-12-02 08:32:55,363 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_reset_vbi_buffer [2023-12-02 08:32:55,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cx231xx_devlist_mutex [2023-12-02 08:32:55,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cx231xx_devlist_mutex [2023-12-02 08:32:55,363 INFO L130 BoogieDeclarations]: Found specification of procedure radio_g_tuner [2023-12-02 08:32:55,363 INFO L138 BoogieDeclarations]: Found implementation of procedure radio_g_tuner [2023-12-02 08:32:55,363 INFO L130 BoogieDeclarations]: Found specification of procedure afe_read_byte [2023-12-02 08:32:55,363 INFO L138 BoogieDeclarations]: Found implementation of procedure afe_read_byte [2023-12-02 08:32:55,364 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-12-02 08:32:55,364 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-12-02 08:32:55,364 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-12-02 08:32:55,364 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-12-02 08:32:55,364 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc_array [2023-12-02 08:32:55,364 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc_array [2023-12-02 08:32:55,364 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_video_input_mux [2023-12-02 08:32:55,365 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_video_input_mux [2023-12-02 08:32:55,365 INFO L130 BoogieDeclarations]: Found specification of procedure video_register_device [2023-12-02 08:32:55,365 INFO L138 BoogieDeclarations]: Found implementation of procedure video_register_device [2023-12-02 08:32:55,365 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_init_ctrl_pin_status [2023-12-02 08:32:55,365 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_init_ctrl_pin_status [2023-12-02 08:32:55,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_gpio_i2c_lock_of_cx231xx [2023-12-02 08:32:55,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_gpio_i2c_lock_of_cx231xx [2023-12-02 08:32:55,366 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_cmpxchg [2023-12-02 08:32:55,366 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_cmpxchg [2023-12-02 08:32:55,366 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_init_isoc [2023-12-02 08:32:55,366 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_init_isoc [2023-12-02 08:32:55,366 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_afe_set_input_mux [2023-12-02 08:32:55,366 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_afe_set_input_mux [2023-12-02 08:32:55,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 08:32:55,367 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2023-12-02 08:32:55,367 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2023-12-02 08:32:55,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-12-02 08:32:55,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-12-02 08:32:55,367 INFO L130 BoogieDeclarations]: Found specification of procedure mpeg_open [2023-12-02 08:32:55,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mpeg_open [2023-12-02 08:32:55,368 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_add [2023-12-02 08:32:55,368 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_add [2023-12-02 08:32:55,368 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_init [2023-12-02 08:32:55,368 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_init [2023-12-02 08:32:55,368 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_v4l2_mmap [2023-12-02 08:32:55,368 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_v4l2_mmap [2023-12-02 08:32:55,368 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_alt_setting [2023-12-02 08:32:55,368 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_alt_setting [2023-12-02 08:32:55,368 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_read_modify_write_i2c_dword [2023-12-02 08:32:55,369 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_read_modify_write_i2c_dword [2023-12-02 08:32:55,369 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_pending [2023-12-02 08:32:55,369 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_pending [2023-12-02 08:32:55,369 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_close_extension [2023-12-02 08:32:55,369 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_close_extension [2023-12-02 08:32:55,369 INFO L130 BoogieDeclarations]: Found specification of procedure check_dev [2023-12-02 08:32:55,369 INFO L138 BoogieDeclarations]: Found implementation of procedure check_dev [2023-12-02 08:32:55,369 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-12-02 08:32:55,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-12-02 08:32:55,369 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_s_audio_sampling_freq [2023-12-02 08:32:55,369 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_s_audio_sampling_freq [2023-12-02 08:32:55,369 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_s_frequency [2023-12-02 08:32:55,369 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_s_frequency [2023-12-02 08:32:55,370 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_disable656 [2023-12-02 08:32:55,370 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_disable656 [2023-12-02 08:32:55,370 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_setup [2023-12-02 08:32:55,370 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_setup [2023-12-02 08:32:55,370 INFO L130 BoogieDeclarations]: Found specification of procedure get_itvc_reg [2023-12-02 08:32:55,370 INFO L138 BoogieDeclarations]: Found implementation of procedure get_itvc_reg [2023-12-02 08:32:55,370 INFO L130 BoogieDeclarations]: Found specification of procedure print_err_status [2023-12-02 08:32:55,370 INFO L138 BoogieDeclarations]: Found implementation of procedure print_err_status [2023-12-02 08:32:55,370 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxw [2023-12-02 08:32:55,370 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxw [2023-12-02 08:32:55,370 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_power_mode [2023-12-02 08:32:55,370 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_power_mode [2023-12-02 08:32:55,371 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxh [2023-12-02 08:32:55,371 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxh [2023-12-02 08:32:55,371 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_get_video_line [2023-12-02 08:32:55,371 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_get_video_line [2023-12-02 08:32:55,371 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_streamoff [2023-12-02 08:32:55,371 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_streamoff [2023-12-02 08:32:55,371 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_init_extension [2023-12-02 08:32:55,371 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_init_extension [2023-12-02 08:32:55,371 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_dif_configure_C2HH_for_low_IF [2023-12-02 08:32:55,371 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_dif_configure_C2HH_for_low_IF [2023-12-02 08:32:55,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-12-02 08:32:55,371 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-12-02 08:32:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2023-12-02 08:32:55,372 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2023-12-02 08:32:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_load_firmware [2023-12-02 08:32:55,372 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_load_firmware [2023-12-02 08:32:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_do_mode_ctrl_overrides [2023-12-02 08:32:55,372 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_do_mode_ctrl_overrides [2023-12-02 08:32:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_get_gpio_bit [2023-12-02 08:32:55,372 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_get_gpio_bit [2023-12-02 08:32:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_cap [2023-12-02 08:32:55,372 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_cap [2023-12-02 08:32:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-02 08:32:55,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-02 08:32:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-12-02 08:32:55,373 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-12-02 08:32:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2023-12-02 08:32:55,373 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2023-12-02 08:32:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_audio_decoder_input [2023-12-02 08:32:55,373 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_audio_decoder_input [2023-12-02 08:32:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_find_boundary_SAV_EAV [2023-12-02 08:32:55,373 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_find_boundary_SAV_EAV [2023-12-02 08:32:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2023-12-02 08:32:55,373 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2023-12-02 08:32:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-12-02 08:32:55,373 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-12-02 08:32:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ctrl_urb_lock_of_cx231xx [2023-12-02 08:32:55,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ctrl_urb_lock_of_cx231xx [2023-12-02 08:32:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_ctrl [2023-12-02 08:32:55,374 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_ctrl [2023-12-02 08:32:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_dev_uninit [2023-12-02 08:32:55,374 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_dev_uninit [2023-12-02 08:32:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure free_buffer [2023-12-02 08:32:55,374 INFO L138 BoogieDeclarations]: Found implementation of procedure free_buffer [2023-12-02 08:32:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_std [2023-12-02 08:32:55,374 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_std [2023-12-02 08:32:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure uninitGPIO [2023-12-02 08:32:55,374 INFO L138 BoogieDeclarations]: Found implementation of procedure uninitGPIO [2023-12-02 08:32:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-12-02 08:32:55,375 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-12-02 08:32:55,375 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2023-12-02 08:32:55,375 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2023-12-02 08:32:55,375 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_vmalloc [2023-12-02 08:32:55,375 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_vmalloc [2023-12-02 08:32:55,375 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_do_i2c_scan [2023-12-02 08:32:55,375 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_do_i2c_scan [2023-12-02 08:32:55,375 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_init [2023-12-02 08:32:55,376 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_init [2023-12-02 08:32:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_poll [2023-12-02 08:32:55,376 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_poll [2023-12-02 08:32:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf [2023-12-02 08:32:55,376 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf [2023-12-02 08:32:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2023-12-02 08:32:55,376 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2023-12-02 08:32:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure vid_blk_read_word [2023-12-02 08:32:55,376 INFO L138 BoogieDeclarations]: Found implementation of procedure vid_blk_read_word [2023-12-02 08:32:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 08:32:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dqbuf [2023-12-02 08:32:55,377 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dqbuf [2023-12-02 08:32:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_config_tuner [2023-12-02 08:32:55,377 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_config_tuner [2023-12-02 08:32:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-12-02 08:32:55,377 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-12-02 08:32:55,378 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_afe_setup_AFE_for_baseband [2023-12-02 08:32:55,378 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_afe_setup_AFE_for_baseband [2023-12-02 08:32:55,378 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_gpio_i2c_start [2023-12-02 08:32:55,378 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_gpio_i2c_start [2023-12-02 08:32:55,378 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_ir_exit [2023-12-02 08:32:55,378 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_ir_exit [2023-12-02 08:32:55,379 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_config_i2c [2023-12-02 08:32:55,379 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_config_i2c [2023-12-02 08:32:55,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-12-02 08:32:55,379 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_card_setup [2023-12-02 08:32:55,379 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_card_setup [2023-12-02 08:32:55,379 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-12-02 08:32:55,379 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-12-02 08:32:55,380 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-12-02 08:32:55,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-12-02 08:32:55,380 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-12-02 08:32:55,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-12-02 08:32:55,380 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_i2s_blk_initialize [2023-12-02 08:32:55,380 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_i2s_blk_initialize [2023-12-02 08:32:55,380 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2023-12-02 08:32:55,381 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2023-12-02 08:32:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 08:32:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap___0 [2023-12-02 08:32:55,381 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap___0 [2023-12-02 08:32:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_gpio_i2c_read_ack [2023-12-02 08:32:55,381 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_gpio_i2c_read_ack [2023-12-02 08:32:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-12-02 08:32:55,382 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-12-02 08:32:55,382 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_gpio_i2c_end [2023-12-02 08:32:55,382 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_gpio_i2c_end [2023-12-02 08:32:55,382 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_register_extension [2023-12-02 08:32:55,382 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_register_extension [2023-12-02 08:32:55,382 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-12-02 08:32:55,383 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-12-02 08:32:55,383 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_disable_ioctl [2023-12-02 08:32:55,383 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_disable_ioctl [2023-12-02 08:32:55,383 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-12-02 08:32:55,383 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-12-02 08:32:55,383 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_agc_analog_digital_mux_select [2023-12-02 08:32:55,383 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_agc_analog_digital_mux_select [2023-12-02 08:32:55,384 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_std___0 [2023-12-02 08:32:55,384 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_std___0 [2023-12-02 08:32:55,384 INFO L130 BoogieDeclarations]: Found specification of procedure cx2341x_handler_set_50hz [2023-12-02 08:32:55,384 INFO L138 BoogieDeclarations]: Found implementation of procedure cx2341x_handler_set_50hz [2023-12-02 08:32:55,384 INFO L130 BoogieDeclarations]: Found specification of procedure video_is_registered [2023-12-02 08:32:55,384 INFO L138 BoogieDeclarations]: Found implementation of procedure video_is_registered [2023-12-02 08:32:55,384 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2023-12-02 08:32:55,385 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2023-12-02 08:32:55,385 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_gpio_direction [2023-12-02 08:32:55,385 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_gpio_direction [2023-12-02 08:32:55,385 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_uninit_bulk [2023-12-02 08:32:55,385 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_uninit_bulk [2023-12-02 08:32:55,385 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2023-12-02 08:32:55,385 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2023-12-02 08:32:55,386 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_control_msg [2023-12-02 08:32:55,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_control_msg [2023-12-02 08:32:55,386 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vbi_cap [2023-12-02 08:32:55,386 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vbi_cap [2023-12-02 08:32:55,386 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-12-02 08:32:55,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-12-02 08:32:55,386 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2023-12-02 08:32:55,386 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2023-12-02 08:32:55,386 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_streamon [2023-12-02 08:32:55,386 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_streamon [2023-12-02 08:32:55,386 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_release_resources [2023-12-02 08:32:55,387 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_release_resources [2023-12-02 08:32:55,387 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2023-12-02 08:32:55,387 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2023-12-02 08:32:55,387 INFO L130 BoogieDeclarations]: Found specification of procedure video_set_drvdata [2023-12-02 08:32:55,387 INFO L138 BoogieDeclarations]: Found implementation of procedure video_set_drvdata [2023-12-02 08:32:55,387 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_init_dev [2023-12-02 08:32:55,387 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_init_dev [2023-12-02 08:32:55,387 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_recv [2023-12-02 08:32:55,387 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_recv [2023-12-02 08:32:55,387 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_uninit_isoc [2023-12-02 08:32:55,387 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_uninit_isoc [2023-12-02 08:32:55,387 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-12-02 08:32:55,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-12-02 08:32:55,388 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2023-12-02 08:32:55,388 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2023-12-02 08:32:55,388 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_i2s_blk_update_power_control [2023-12-02 08:32:55,388 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_i2s_blk_update_power_control [2023-12-02 08:32:55,388 INFO L130 BoogieDeclarations]: Found specification of procedure poll_requested_events [2023-12-02 08:32:55,388 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_requested_events [2023-12-02 08:32:55,388 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-12-02 08:32:55,388 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-12-02 08:32:55,388 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-12-02 08:32:55,388 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-12-02 08:32:55,388 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_i2c_register [2023-12-02 08:32:55,388 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_i2c_register [2023-12-02 08:32:55,388 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_afe_init_super_block [2023-12-02 08:32:55,389 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_afe_init_super_block [2023-12-02 08:32:55,389 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_read_i2c_data [2023-12-02 08:32:55,389 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_read_i2c_data [2023-12-02 08:32:55,389 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2023-12-02 08:32:55,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-12-02 08:32:55,389 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-12-02 08:32:55,389 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_i2c_new_subdev [2023-12-02 08:32:55,389 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_i2c_new_subdev [2023-12-02 08:32:55,389 INFO L130 BoogieDeclarations]: Found specification of procedure radio_s_tuner [2023-12-02 08:32:55,389 INFO L138 BoogieDeclarations]: Found implementation of procedure radio_s_tuner [2023-12-02 08:32:55,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-02 08:32:55,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-12-02 08:32:55,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-12-02 08:32:55,389 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2023-12-02 08:32:55,390 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2023-12-02 08:32:55,390 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_querycap [2023-12-02 08:32:55,390 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_querycap [2023-12-02 08:32:55,390 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_enable656 [2023-12-02 08:32:55,390 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_enable656 [2023-12-02 08:32:55,390 INFO L130 BoogieDeclarations]: Found specification of procedure bb_buf_queue [2023-12-02 08:32:55,390 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_buf_queue [2023-12-02 08:32:55,390 INFO L130 BoogieDeclarations]: Found specification of procedure cmd_to_str [2023-12-02 08:32:55,390 INFO L138 BoogieDeclarations]: Found implementation of procedure cmd_to_str [2023-12-02 08:32:55,390 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_mmap_mapper [2023-12-02 08:32:55,390 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_mmap_mapper [2023-12-02 08:32:55,390 INFO L130 BoogieDeclarations]: Found specification of procedure res_get [2023-12-02 08:32:55,390 INFO L138 BoogieDeclarations]: Found implementation of procedure res_get [2023-12-02 08:32:55,391 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_mmap_free [2023-12-02 08:32:55,391 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_mmap_free [2023-12-02 08:32:55,391 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_s_input [2023-12-02 08:32:55,391 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_s_input [2023-12-02 08:32:55,391 INFO L130 BoogieDeclarations]: Found specification of procedure vid_blk_write_byte [2023-12-02 08:32:55,391 INFO L138 BoogieDeclarations]: Found implementation of procedure vid_blk_write_byte [2023-12-02 08:32:55,391 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-12-02 08:32:55,391 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-12-02 08:32:55,391 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 08:32:55,392 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 08:32:55,392 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_create_link [2023-12-02 08:32:55,392 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_create_link [2023-12-02 08:32:55,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_va_arg [2023-12-02 08:32:55,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_va_arg [2023-12-02 08:32:55,392 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_pre_card_setup [2023-12-02 08:32:55,392 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_pre_card_setup [2023-12-02 08:32:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2023-12-02 08:32:55,393 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2023-12-02 08:32:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_s_register [2023-12-02 08:32:55,393 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_s_register [2023-12-02 08:32:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2023-12-02 08:32:55,393 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2023-12-02 08:32:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_read_stream [2023-12-02 08:32:55,394 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_read_stream [2023-12-02 08:32:55,394 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-12-02 08:32:55,394 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-12-02 08:32:55,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 08:32:55,394 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-12-02 08:32:55,394 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-12-02 08:32:55,394 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2023-12-02 08:32:55,395 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2023-12-02 08:32:55,395 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-12-02 08:32:55,395 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-12-02 08:32:55,395 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___2 [2023-12-02 08:32:55,395 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___2 [2023-12-02 08:32:55,395 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___0 [2023-12-02 08:32:55,395 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___0 [2023-12-02 08:32:55,396 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-12-02 08:32:55,396 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-12-02 08:32:55,396 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_s_tuner [2023-12-02 08:32:55,396 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_s_tuner [2023-12-02 08:32:55,396 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_copy [2023-12-02 08:32:55,396 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_copy [2023-12-02 08:32:55,396 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_v4l2_close [2023-12-02 08:32:55,396 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_v4l2_close [2023-12-02 08:32:55,396 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2023-12-02 08:32:55,396 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2023-12-02 08:32:55,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ctrl_urb_lock_of_cx231xx [2023-12-02 08:32:55,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ctrl_urb_lock_of_cx231xx [2023-12-02 08:32:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_initialize_codec [2023-12-02 08:32:55,397 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_initialize_codec [2023-12-02 08:32:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_vmalloc_free [2023-12-02 08:32:55,397 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_vmalloc_free [2023-12-02 08:32:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_audio_input [2023-12-02 08:32:55,397 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_audio_input [2023-12-02 08:32:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_poll_stream [2023-12-02 08:32:55,397 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_poll_stream [2023-12-02 08:32:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_capture_start [2023-12-02 08:32:55,397 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_capture_start [2023-12-02 08:32:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_i2c_mux_register [2023-12-02 08:32:55,397 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_i2c_mux_register [2023-12-02 08:32:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure initGPIO [2023-12-02 08:32:55,398 INFO L138 BoogieDeclarations]: Found implementation of procedure initGPIO [2023-12-02 08:32:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_is_busy [2023-12-02 08:32:55,398 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_is_busy [2023-12-02 08:32:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-12-02 08:32:55,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-12-02 08:32:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_querybuf [2023-12-02 08:32:55,398 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_querybuf [2023-12-02 08:32:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure mc417_memory_read [2023-12-02 08:32:55,398 INFO L138 BoogieDeclarations]: Found implementation of procedure mc417_memory_read [2023-12-02 08:32:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-12-02 08:32:55,398 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-12-02 08:32:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_usb_probe [2023-12-02 08:32:55,398 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_usb_probe [2023-12-02 08:32:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure verve_read_byte [2023-12-02 08:32:55,398 INFO L138 BoogieDeclarations]: Found implementation of procedure verve_read_byte [2023-12-02 08:32:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure is_tuner [2023-12-02 08:32:55,399 INFO L138 BoogieDeclarations]: Found implementation of procedure is_tuner [2023-12-02 08:32:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure afe_write_byte [2023-12-02 08:32:55,399 INFO L138 BoogieDeclarations]: Found implementation of procedure afe_write_byte [2023-12-02 08:32:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_decoder_video_input [2023-12-02 08:32:55,399 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_decoder_video_input [2023-12-02 08:32:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_uninit_vbi_isoc [2023-12-02 08:32:55,399 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_uninit_vbi_isoc [2023-12-02 08:32:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2023-12-02 08:32:55,399 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2023-12-02 08:32:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-12-02 08:32:55,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-12-02 08:32:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_afe_update_power_control [2023-12-02 08:32:55,399 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_afe_update_power_control [2023-12-02 08:32:55,400 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_write_ctrl_reg [2023-12-02 08:32:55,400 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_write_ctrl_reg [2023-12-02 08:32:55,400 INFO L130 BoogieDeclarations]: Found specification of procedure mpeg_release [2023-12-02 08:32:55,400 INFO L138 BoogieDeclarations]: Found implementation of procedure mpeg_release [2023-12-02 08:32:55,400 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_log_status [2023-12-02 08:32:55,400 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_log_status [2023-12-02 08:32:55,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_cx231xx [2023-12-02 08:32:55,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_cx231xx [2023-12-02 08:32:55,400 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_register_analog_devices [2023-12-02 08:32:55,400 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_register_analog_devices [2023-12-02 08:32:55,400 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_send_vendor_cmd [2023-12-02 08:32:55,400 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_send_vendor_cmd [2023-12-02 08:32:55,400 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_g_chip_info [2023-12-02 08:32:55,401 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_g_chip_info [2023-12-02 08:32:55,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cx231xx_devlist_mutex [2023-12-02 08:32:55,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cx231xx_devlist_mutex [2023-12-02 08:32:55,401 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2023-12-02 08:32:55,401 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2023-12-02 08:32:55,401 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_cropcap [2023-12-02 08:32:55,401 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_cropcap [2023-12-02 08:32:55,401 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_afe_set_mode [2023-12-02 08:32:55,401 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_afe_set_mode [2023-12-02 08:32:55,401 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_vmalloc_init [2023-12-02 08:32:55,401 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_vmalloc_init [2023-12-02 08:32:55,401 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~~u8~0~TO~int [2023-12-02 08:32:55,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~~u8~0~TO~int [2023-12-02 08:32:55,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_gpio_i2c_lock_of_cx231xx [2023-12-02 08:32:55,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_gpio_i2c_lock_of_cx231xx [2023-12-02 08:32:55,402 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2023-12-02 08:32:55,402 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2023-12-02 08:32:55,402 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_remove_from_devlist [2023-12-02 08:32:55,402 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_remove_from_devlist [2023-12-02 08:32:55,402 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs___0 [2023-12-02 08:32:55,402 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs___0 [2023-12-02 08:32:55,402 INFO L130 BoogieDeclarations]: Found specification of procedure verve_write_byte [2023-12-02 08:32:55,402 INFO L138 BoogieDeclarations]: Found implementation of procedure verve_write_byte [2023-12-02 08:32:55,402 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_find_next_SAV_EAV [2023-12-02 08:32:55,402 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_find_next_SAV_EAV [2023-12-02 08:32:55,402 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-12-02 08:32:55,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-12-02 08:32:55,402 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_api_cmd [2023-12-02 08:32:55,403 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_api_cmd [2023-12-02 08:32:55,403 INFO L130 BoogieDeclarations]: Found specification of procedure mpeg_mmap [2023-12-02 08:32:55,403 INFO L138 BoogieDeclarations]: Found implementation of procedure mpeg_mmap [2023-12-02 08:32:55,403 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_close [2023-12-02 08:32:55,403 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_close [2023-12-02 08:32:55,403 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_g_frequency [2023-12-02 08:32:55,403 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_g_frequency [2023-12-02 08:32:55,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 08:32:55,403 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_vdev_init [2023-12-02 08:32:55,403 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_vdev_init [2023-12-02 08:32:55,403 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_v4l2_open [2023-12-02 08:32:55,403 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_v4l2_open [2023-12-02 08:32:55,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i2c_lock_of_cx231xx [2023-12-02 08:32:55,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i2c_lock_of_cx231xx [2023-12-02 08:32:55,404 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_del [2023-12-02 08:32:55,404 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_del [2023-12-02 08:32:57,427 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 08:32:57,431 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 08:32:57,942 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-12-02 08:35:03,312 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 08:35:20,310 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 08:35:20,310 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-12-02 08:35:20,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:35:20 BoogieIcfgContainer [2023-12-02 08:35:20,315 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 08:35:20,318 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 08:35:20,318 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 08:35:20,321 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 08:35:20,321 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:32:38" (1/3) ... [2023-12-02 08:35:20,322 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30cf5656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:35:20, skipping insertion in model container [2023-12-02 08:35:20,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:49" (2/3) ... [2023-12-02 08:35:20,322 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30cf5656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:35:20, skipping insertion in model container [2023-12-02 08:35:20,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:35:20" (3/3) ... [2023-12-02 08:35:20,323 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--cx231xx--cx231xx.ko-entry_point.cil.out.i [2023-12-02 08:35:20,343 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 08:35:20,343 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 08:35:20,661 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 08:35:20,666 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;@130e8006, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 08:35:20,666 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 08:35:20,686 INFO L276 IsEmpty]: Start isEmpty. Operand has 6190 states, 3821 states have (on average 1.3135304894006805) internal successors, (5019), 3900 states have internal predecessors, (5019), 2061 states have call successors, (2061), 307 states have call predecessors, (2061), 306 states have return successors, (2045), 2041 states have call predecessors, (2045), 2045 states have call successors, (2045) [2023-12-02 08:35:20,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 08:35:20,701 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:35:20,702 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 08:35:20,702 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 08:35:20,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:35:20,707 INFO L85 PathProgramCache]: Analyzing trace with hash 604625934, now seen corresponding path program 1 times [2023-12-02 08:35:20,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:35:20,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953682011] [2023-12-02 08:35:20,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:35:20,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:35:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:35:38,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 08:35:38,694 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:35:38,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953682011] [2023-12-02 08:35:38,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953682011] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:35:38,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:35:38,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 08:35:38,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552624104] [2023-12-02 08:35:38,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:35:38,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 08:35:38,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:35:38,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 08:35:38,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:35:38,736 INFO L87 Difference]: Start difference. First operand has 6190 states, 3821 states have (on average 1.3135304894006805) internal successors, (5019), 3900 states have internal predecessors, (5019), 2061 states have call successors, (2061), 307 states have call predecessors, (2061), 306 states have return successors, (2045), 2041 states have call predecessors, (2045), 2045 states have call successors, (2045) Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-12-02 08:35:39,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:35:42,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:35:45,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:35:50,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:35:57,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:36:01,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:36:03,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:36:06,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:36:08,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:36:11,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:36:15,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:36:18,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:36:20,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:36:23,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:36:25,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:36:25,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:36:25,232 INFO L93 Difference]: Finished difference Result 18488 states and 29002 transitions. [2023-12-02 08:36:25,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 08:36:25,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 33 [2023-12-02 08:36:25,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:36:25,341 INFO L225 Difference]: With dead ends: 18488 [2023-12-02 08:36:25,342 INFO L226 Difference]: Without dead ends: 12253 [2023-12-02 08:36:25,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:36:25,419 INFO L413 NwaCegarLoop]: 8320 mSDtfsCounter, 8974 mSDsluCounter, 8307 mSDsCounter, 0 mSdLazyCounter, 1573 mSolverCounterSat, 3 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8974 SdHoareTripleChecker+Valid, 16627 SdHoareTripleChecker+Invalid, 1587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1573 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.6s IncrementalHoareTripleChecker+Time [2023-12-02 08:36:25,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8974 Valid, 16627 Invalid, 1587 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1573 Invalid, 11 Unknown, 0 Unchecked, 45.6s Time] [2023-12-02 08:36:25,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12253 states. [2023-12-02 08:36:26,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12253 to 12240. [2023-12-02 08:36:26,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12240 states, 7586 states have (on average 1.307540205641972) internal successors, (9919), 7688 states have internal predecessors, (9919), 4043 states have call successors, (4043), 611 states have call predecessors, (4043), 610 states have return successors, (4022), 4014 states have call predecessors, (4022), 4022 states have call successors, (4022) [2023-12-02 08:36:26,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12240 states to 12240 states and 17984 transitions. [2023-12-02 08:36:26,395 INFO L78 Accepts]: Start accepts. Automaton has 12240 states and 17984 transitions. Word has length 33 [2023-12-02 08:36:26,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:36:26,396 INFO L495 AbstractCegarLoop]: Abstraction has 12240 states and 17984 transitions. [2023-12-02 08:36:26,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-12-02 08:36:26,396 INFO L276 IsEmpty]: Start isEmpty. Operand 12240 states and 17984 transitions. [2023-12-02 08:36:26,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 08:36:26,403 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:36:26,404 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-02 08:36:26,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 08:36:26,404 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 08:36:26,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:36:26,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1237216620, now seen corresponding path program 1 times [2023-12-02 08:36:26,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:36:26,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823397069] [2023-12-02 08:36:26,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:36:26,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:36:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:36:43,349 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 08:36:43,349 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:36:43,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823397069] [2023-12-02 08:36:43,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823397069] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:36:43,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:36:43,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 08:36:43,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117044686] [2023-12-02 08:36:43,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:36:43,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 08:36:43,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:36:43,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 08:36:43,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:36:43,355 INFO L87 Difference]: Start difference. First operand 12240 states and 17984 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 08:36:44,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:36:47,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:36:50,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:37:00,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:37:03,005 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 [] [2023-12-02 08:37:03,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:37:03,309 INFO L93 Difference]: Finished difference Result 12256 states and 17998 transitions. [2023-12-02 08:37:03,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 08:37:03,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 48 [2023-12-02 08:37:03,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:37:03,391 INFO L225 Difference]: With dead ends: 12256 [2023-12-02 08:37:03,391 INFO L226 Difference]: Without dead ends: 12252 [2023-12-02 08:37:03,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:37:03,399 INFO L413 NwaCegarLoop]: 8264 mSDtfsCounter, 9003 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9003 SdHoareTripleChecker+Valid, 8287 SdHoareTripleChecker+Invalid, 795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2023-12-02 08:37:03,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9003 Valid, 8287 Invalid, 795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 790 Invalid, 3 Unknown, 0 Unchecked, 19.5s Time] [2023-12-02 08:37:03,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12252 states. [2023-12-02 08:37:03,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12252 to 12250. [2023-12-02 08:37:03,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12250 states, 7594 states have (on average 1.3073479062417699) internal successors, (9928), 7694 states have internal predecessors, (9928), 4041 states have call successors, (4041), 615 states have call predecessors, (4041), 614 states have return successors, (4022), 4014 states have call predecessors, (4022), 4022 states have call successors, (4022) [2023-12-02 08:37:04,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12250 states to 12250 states and 17991 transitions. [2023-12-02 08:37:04,004 INFO L78 Accepts]: Start accepts. Automaton has 12250 states and 17991 transitions. Word has length 48 [2023-12-02 08:37:04,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:37:04,004 INFO L495 AbstractCegarLoop]: Abstraction has 12250 states and 17991 transitions. [2023-12-02 08:37:04,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 08:37:04,005 INFO L276 IsEmpty]: Start isEmpty. Operand 12250 states and 17991 transitions. [2023-12-02 08:37:04,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 08:37:04,009 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:37:04,009 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-02 08:37:04,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 08:37:04,010 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 08:37:04,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:37:04,010 INFO L85 PathProgramCache]: Analyzing trace with hash 2052901526, now seen corresponding path program 1 times [2023-12-02 08:37:04,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:37:04,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211840692] [2023-12-02 08:37:04,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:37:04,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:37:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:37:21,994 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 08:37:21,994 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:37:21,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211840692] [2023-12-02 08:37:21,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211840692] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:37:21,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:37:21,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 08:37:21,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146605198] [2023-12-02 08:37:21,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:37:21,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 08:37:21,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:37:21,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 08:37:21,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:37:21,996 INFO L87 Difference]: Start difference. First operand 12250 states and 17991 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 08:37:23,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:37:25,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:37:28,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:37:32,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:37:41,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:37:43,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:37:48,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:37:51,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:37:56,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:37:59,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:38:01,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:38:03,669 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 [] [2023-12-02 08:38:04,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:38:04,101 INFO L93 Difference]: Finished difference Result 36137 states and 53073 transitions. [2023-12-02 08:38:04,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 08:38:04,102 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 53 [2023-12-02 08:38:04,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:38:04,245 INFO L225 Difference]: With dead ends: 36137 [2023-12-02 08:38:04,246 INFO L226 Difference]: Without dead ends: 23890 [2023-12-02 08:38:04,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:38:04,335 INFO L413 NwaCegarLoop]: 8267 mSDtfsCounter, 8566 mSDsluCounter, 8259 mSDsCounter, 0 mSdLazyCounter, 1568 mSolverCounterSat, 2 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8566 SdHoareTripleChecker+Valid, 16526 SdHoareTripleChecker+Invalid, 1579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1568 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.0s IncrementalHoareTripleChecker+Time [2023-12-02 08:38:04,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8566 Valid, 16526 Invalid, 1579 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1568 Invalid, 9 Unknown, 0 Unchecked, 41.0s Time] [2023-12-02 08:38:04,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23890 states. [2023-12-02 08:38:05,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23890 to 23861. [2023-12-02 08:38:05,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23861 states, 14784 states have (on average 1.3072916666666667) internal successors, (19327), 14967 states have internal predecessors, (19327), 7870 states have call successors, (7870), 1207 states have call predecessors, (7870), 1206 states have return successors, (7851), 7834 states have call predecessors, (7851), 7851 states have call successors, (7851) [2023-12-02 08:38:05,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23861 states to 23861 states and 35048 transitions. [2023-12-02 08:38:05,823 INFO L78 Accepts]: Start accepts. Automaton has 23861 states and 35048 transitions. Word has length 53 [2023-12-02 08:38:05,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:38:05,824 INFO L495 AbstractCegarLoop]: Abstraction has 23861 states and 35048 transitions. [2023-12-02 08:38:05,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 08:38:05,824 INFO L276 IsEmpty]: Start isEmpty. Operand 23861 states and 35048 transitions. [2023-12-02 08:38:05,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 08:38:05,827 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:38:05,827 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-02 08:38:05,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 08:38:05,828 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 08:38:05,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:38:05,829 INFO L85 PathProgramCache]: Analyzing trace with hash 297672624, now seen corresponding path program 1 times [2023-12-02 08:38:05,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:38:05,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583024876] [2023-12-02 08:38:05,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:38:05,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:38:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:38:24,021 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 08:38:24,022 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:38:24,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583024876] [2023-12-02 08:38:24,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583024876] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:38:24,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:38:24,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 08:38:24,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162580201] [2023-12-02 08:38:24,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:38:24,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 08:38:24,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:38:24,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 08:38:24,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:38:24,024 INFO L87 Difference]: Start difference. First operand 23861 states and 35048 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 08:38:25,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:38:29,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:38:32,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:38:36,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:38:38,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:38:47,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:38:52,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:38:54,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:38:56,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:38:58,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:39:00,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:39:02,627 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 [] [2023-12-02 08:39:04,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:39:04,471 INFO L93 Difference]: Finished difference Result 60373 states and 92845 transitions. [2023-12-02 08:39:04,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 08:39:04,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 49 [2023-12-02 08:39:04,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:39:04,770 INFO L225 Difference]: With dead ends: 60373 [2023-12-02 08:39:04,771 INFO L226 Difference]: Without dead ends: 36515 [2023-12-02 08:39:04,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:39:04,901 INFO L413 NwaCegarLoop]: 10252 mSDtfsCounter, 9228 mSDsluCounter, 4121 mSDsCounter, 0 mSdLazyCounter, 1489 mSolverCounterSat, 4 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9228 SdHoareTripleChecker+Valid, 14373 SdHoareTripleChecker+Invalid, 1502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1489 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.8s IncrementalHoareTripleChecker+Time [2023-12-02 08:39:04,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9228 Valid, 14373 Invalid, 1502 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1489 Invalid, 9 Unknown, 0 Unchecked, 38.8s Time] [2023-12-02 08:39:04,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36515 states. [2023-12-02 08:39:06,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36515 to 36487. [2023-12-02 08:39:06,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36487 states, 22432 states have (on average 1.2953815977175465) internal successors, (29058), 22756 states have internal predecessors, (29058), 12088 states have call successors, (12088), 1980 states have call predecessors, (12088), 1966 states have return successors, (13271), 12018 states have call predecessors, (13271), 12067 states have call successors, (13271) [2023-12-02 08:39:06,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36487 states to 36487 states and 54417 transitions. [2023-12-02 08:39:06,962 INFO L78 Accepts]: Start accepts. Automaton has 36487 states and 54417 transitions. Word has length 49 [2023-12-02 08:39:06,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:39:06,963 INFO L495 AbstractCegarLoop]: Abstraction has 36487 states and 54417 transitions. [2023-12-02 08:39:06,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 08:39:06,963 INFO L276 IsEmpty]: Start isEmpty. Operand 36487 states and 54417 transitions. [2023-12-02 08:39:06,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 08:39:06,965 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:39:06,965 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, 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] [2023-12-02 08:39:06,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 08:39:06,965 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 08:39:06,966 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:39:06,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1946750102, now seen corresponding path program 1 times [2023-12-02 08:39:06,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:39:06,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632468687] [2023-12-02 08:39:06,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:39:06,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:39:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:39:26,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 08:39:26,737 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:39:26,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632468687] [2023-12-02 08:39:26,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632468687] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:39:26,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:39:26,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 08:39:26,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933236813] [2023-12-02 08:39:26,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:39:26,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 08:39:26,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:39:26,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 08:39:26,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:39:26,740 INFO L87 Difference]: Start difference. First operand 36487 states and 54417 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-02 08:39:27,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:39:32,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:39:35,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:39:39,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:39:41,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:39:46,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:39:47,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:39:51,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:39:53,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:40:01,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:40:08,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:40:10,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:40:12,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:40:14,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:40:16,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:40:18,802 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 [] [2023-12-02 08:40:20,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:40:20,990 INFO L93 Difference]: Finished difference Result 109163 states and 162776 transitions. [2023-12-02 08:40:20,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 08:40:20,991 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 49 [2023-12-02 08:40:20,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:40:21,313 INFO L225 Difference]: With dead ends: 109163 [2023-12-02 08:40:21,313 INFO L226 Difference]: Without dead ends: 72679 [2023-12-02 08:40:21,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:40:21,465 INFO L413 NwaCegarLoop]: 12969 mSDtfsCounter, 8871 mSDsluCounter, 8255 mSDsCounter, 0 mSdLazyCounter, 2066 mSolverCounterSat, 3 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8871 SdHoareTripleChecker+Valid, 21224 SdHoareTripleChecker+Invalid, 2080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2066 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.3s IncrementalHoareTripleChecker+Time [2023-12-02 08:40:21,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8871 Valid, 21224 Invalid, 2080 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2066 Invalid, 11 Unknown, 0 Unchecked, 51.3s Time] [2023-12-02 08:40:21,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72679 states. [2023-12-02 08:40:25,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72679 to 72639. [2023-12-02 08:40:25,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72639 states, 44678 states have (on average 1.2950893056985542) internal successors, (57862), 45294 states have internal predecessors, (57862), 24032 states have call successors, (24032), 3954 states have call predecessors, (24032), 3928 states have return successors, (26419), 23918 states have call predecessors, (26419), 24011 states have call successors, (26419) [2023-12-02 08:40:25,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72639 states to 72639 states and 108313 transitions. [2023-12-02 08:40:25,912 INFO L78 Accepts]: Start accepts. Automaton has 72639 states and 108313 transitions. Word has length 49 [2023-12-02 08:40:25,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:40:25,912 INFO L495 AbstractCegarLoop]: Abstraction has 72639 states and 108313 transitions. [2023-12-02 08:40:25,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-02 08:40:25,913 INFO L276 IsEmpty]: Start isEmpty. Operand 72639 states and 108313 transitions. [2023-12-02 08:40:25,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 08:40:25,915 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:40:25,916 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-02 08:40:25,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 08:40:25,916 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 08:40:25,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:40:25,916 INFO L85 PathProgramCache]: Analyzing trace with hash 634603799, now seen corresponding path program 1 times [2023-12-02 08:40:25,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:40:25,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763366387] [2023-12-02 08:40:25,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:40:25,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:40:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:40:44,220 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 08:40:44,220 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:40:44,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763366387] [2023-12-02 08:40:44,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763366387] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:40:44,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:40:44,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 08:40:44,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603440655] [2023-12-02 08:40:44,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:40:44,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 08:40:44,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:40:44,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 08:40:44,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:40:44,222 INFO L87 Difference]: Start difference. First operand 72639 states and 108313 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 08:40:45,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:40:48,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:40:51,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:40:56,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:41:00,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:41:04,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:41:06,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:41:08,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:41:08,669 INFO L93 Difference]: Finished difference Result 73092 states and 108872 transitions. [2023-12-02 08:41:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 08:41:08,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 50 [2023-12-02 08:41:08,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:41:09,068 INFO L225 Difference]: With dead ends: 73092 [2023-12-02 08:41:09,069 INFO L226 Difference]: Without dead ends: 73088 [2023-12-02 08:41:09,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:41:09,094 INFO L413 NwaCegarLoop]: 8258 mSDtfsCounter, 8840 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 851 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8840 SdHoareTripleChecker+Valid, 8507 SdHoareTripleChecker+Invalid, 857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 851 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.9s IncrementalHoareTripleChecker+Time [2023-12-02 08:41:09,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8840 Valid, 8507 Invalid, 857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 851 Invalid, 4 Unknown, 0 Unchecked, 21.9s Time] [2023-12-02 08:41:09,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73088 states. [2023-12-02 08:41:12,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73088 to 73085. [2023-12-02 08:41:13,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73085 states, 44962 states have (on average 1.2948934655931676) internal successors, (58221), 45576 states have internal predecessors, (58221), 24126 states have call successors, (24126), 4022 states have call predecessors, (24126), 3996 states have return successors, (26515), 24014 states have call predecessors, (26515), 24107 states have call successors, (26515) [2023-12-02 08:41:13,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73085 states to 73085 states and 108862 transitions. [2023-12-02 08:41:13,468 INFO L78 Accepts]: Start accepts. Automaton has 73085 states and 108862 transitions. Word has length 50 [2023-12-02 08:41:13,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:41:13,468 INFO L495 AbstractCegarLoop]: Abstraction has 73085 states and 108862 transitions. [2023-12-02 08:41:13,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 08:41:13,469 INFO L276 IsEmpty]: Start isEmpty. Operand 73085 states and 108862 transitions. [2023-12-02 08:41:13,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 08:41:13,472 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:41:13,472 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-02 08:41:13,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 08:41:13,473 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 08:41:13,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:41:13,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1805426797, now seen corresponding path program 1 times [2023-12-02 08:41:13,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:41:13,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188185882] [2023-12-02 08:41:13,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:41:13,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:41:31,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:41:32,330 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 08:41:32,330 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:41:32,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188185882] [2023-12-02 08:41:32,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188185882] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:41:32,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:41:32,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 08:41:32,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508817685] [2023-12-02 08:41:32,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:41:32,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 08:41:32,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:41:32,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 08:41:32,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:41:32,332 INFO L87 Difference]: Start difference. First operand 73085 states and 108862 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 08:41:33,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:41:39,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:41:51,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:41:53,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:41:56,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:41:58,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:42:06,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:42:08,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:42:10,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:42:12,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:42:13,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:42:13,468 INFO L93 Difference]: Finished difference Result 101306 states and 150753 transitions. [2023-12-02 08:42:13,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 08:42:13,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2023-12-02 08:42:13,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:42:14,085 INFO L225 Difference]: With dead ends: 101306 [2023-12-02 08:42:14,085 INFO L226 Difference]: Without dead ends: 101302 [2023-12-02 08:42:14,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:42:14,114 INFO L413 NwaCegarLoop]: 8254 mSDtfsCounter, 8627 mSDsluCounter, 5404 mSDsCounter, 0 mSdLazyCounter, 1392 mSolverCounterSat, 2 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8627 SdHoareTripleChecker+Valid, 13658 SdHoareTripleChecker+Invalid, 1403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1392 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.1s IncrementalHoareTripleChecker+Time [2023-12-02 08:42:14,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8627 Valid, 13658 Invalid, 1403 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1392 Invalid, 9 Unknown, 0 Unchecked, 37.1s Time] [2023-12-02 08:42:14,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101302 states. [2023-12-02 08:42:19,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101302 to 101287. [2023-12-02 08:42:19,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101287 states, 61914 states have (on average 1.2868171980489065) internal successors, (79672), 62814 states have internal predecessors, (79672), 33732 states have call successors, (33732), 5678 states have call predecessors, (33732), 5640 states have return successors, (37327), 33582 states have call predecessors, (37327), 33715 states have call successors, (37327) [2023-12-02 08:42:20,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101287 states to 101287 states and 150731 transitions. [2023-12-02 08:42:20,749 INFO L78 Accepts]: Start accepts. Automaton has 101287 states and 150731 transitions. Word has length 51 [2023-12-02 08:42:20,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:42:20,750 INFO L495 AbstractCegarLoop]: Abstraction has 101287 states and 150731 transitions. [2023-12-02 08:42:20,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 08:42:20,750 INFO L276 IsEmpty]: Start isEmpty. Operand 101287 states and 150731 transitions. [2023-12-02 08:42:20,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 08:42:20,753 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:42:20,753 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-02 08:42:20,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 08:42:20,754 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 08:42:20,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:42:20,754 INFO L85 PathProgramCache]: Analyzing trace with hash -136959078, now seen corresponding path program 1 times [2023-12-02 08:42:20,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:42:20,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67383753] [2023-12-02 08:42:20,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:42:20,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:42:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:42:39,616 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 08:42:39,616 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:42:39,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67383753] [2023-12-02 08:42:39,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67383753] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:42:39,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:42:39,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 08:42:39,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435509179] [2023-12-02 08:42:39,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:42:39,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 08:42:39,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:42:39,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 08:42:39,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:42:39,618 INFO L87 Difference]: Start difference. First operand 101287 states and 150731 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 08:42:40,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:42:43,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:42:46,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:42:57,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:43:00,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:43:00,894 INFO L93 Difference]: Finished difference Result 101289 states and 150732 transitions. [2023-12-02 08:43:00,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 08:43:00,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2023-12-02 08:43:00,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:43:01,302 INFO L225 Difference]: With dead ends: 101289 [2023-12-02 08:43:01,303 INFO L226 Difference]: Without dead ends: 101286 [2023-12-02 08:43:01,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:43:01,339 INFO L413 NwaCegarLoop]: 8253 mSDtfsCounter, 9010 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9010 SdHoareTripleChecker+Valid, 8253 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2023-12-02 08:43:01,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9010 Valid, 8253 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 784 Invalid, 2 Unknown, 0 Unchecked, 16.9s Time] [2023-12-02 08:43:01,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101286 states. [2023-12-02 08:43:07,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101286 to 101286. [2023-12-02 08:43:07,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101286 states, 61914 states have (on average 1.286801046613044) internal successors, (79671), 62813 states have internal predecessors, (79671), 33731 states have call successors, (33731), 5678 states have call predecessors, (33731), 5640 states have return successors, (37327), 33582 states have call predecessors, (37327), 33715 states have call successors, (37327) [2023-12-02 08:43:08,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101286 states to 101286 states and 150729 transitions. [2023-12-02 08:43:08,370 INFO L78 Accepts]: Start accepts. Automaton has 101286 states and 150729 transitions. Word has length 52 [2023-12-02 08:43:08,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:43:08,370 INFO L495 AbstractCegarLoop]: Abstraction has 101286 states and 150729 transitions. [2023-12-02 08:43:08,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 08:43:08,371 INFO L276 IsEmpty]: Start isEmpty. Operand 101286 states and 150729 transitions. [2023-12-02 08:43:08,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 08:43:08,374 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:43:08,374 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-02 08:43:08,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 08:43:08,374 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 08:43:08,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:43:08,375 INFO L85 PathProgramCache]: Analyzing trace with hash 45937526, now seen corresponding path program 1 times [2023-12-02 08:43:08,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:43:08,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029716773] [2023-12-02 08:43:08,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:43:08,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:43:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:43:27,327 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 08:43:27,327 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:43:27,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029716773] [2023-12-02 08:43:27,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029716773] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:43:27,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:43:27,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 08:43:27,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092814230] [2023-12-02 08:43:27,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:43:27,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 08:43:27,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:43:27,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 08:43:27,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:43:27,330 INFO L87 Difference]: Start difference. First operand 101286 states and 150729 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 08:43:28,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:43:31,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:43:34,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:43:46,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:43:48,359 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 [] [2023-12-02 08:43:51,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:43:51,475 INFO L93 Difference]: Finished difference Result 101288 states and 150730 transitions. [2023-12-02 08:43:51,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 08:43:51,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 53 [2023-12-02 08:43:51,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:43:51,876 INFO L225 Difference]: With dead ends: 101288 [2023-12-02 08:43:51,876 INFO L226 Difference]: Without dead ends: 101285 [2023-12-02 08:43:51,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:43:51,919 INFO L413 NwaCegarLoop]: 8251 mSDtfsCounter, 9007 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9007 SdHoareTripleChecker+Valid, 8251 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 783 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2023-12-02 08:43:51,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9007 Valid, 8251 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 783 Invalid, 3 Unknown, 0 Unchecked, 19.5s Time] [2023-12-02 08:43:52,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101285 states. [2023-12-02 08:43:58,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101285 to 101285. [2023-12-02 08:43:58,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101285 states, 61914 states have (on average 1.2867848951771812) internal successors, (79670), 62812 states have internal predecessors, (79670), 33730 states have call successors, (33730), 5678 states have call predecessors, (33730), 5640 states have return successors, (37327), 33582 states have call predecessors, (37327), 33715 states have call successors, (37327) [2023-12-02 08:43:58,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101285 states to 101285 states and 150727 transitions. [2023-12-02 08:43:58,910 INFO L78 Accepts]: Start accepts. Automaton has 101285 states and 150727 transitions. Word has length 53 [2023-12-02 08:43:58,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:43:58,911 INFO L495 AbstractCegarLoop]: Abstraction has 101285 states and 150727 transitions. [2023-12-02 08:43:58,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 08:43:58,911 INFO L276 IsEmpty]: Start isEmpty. Operand 101285 states and 150727 transitions. [2023-12-02 08:43:58,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 08:43:58,916 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:43:58,916 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-02 08:43:58,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-02 08:43:58,917 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 08:43:58,917 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:43:58,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1420769821, now seen corresponding path program 1 times [2023-12-02 08:43:58,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:43:58,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617547752] [2023-12-02 08:43:58,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:43:58,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:44:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:44:18,180 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 08:44:18,181 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:44:18,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617547752] [2023-12-02 08:44:18,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617547752] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:44:18,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:44:18,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 08:44:18,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606702272] [2023-12-02 08:44:18,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:44:18,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 08:44:18,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:44:18,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 08:44:18,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:44:18,183 INFO L87 Difference]: Start difference. First operand 101285 states and 150727 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 08:44:19,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:44:24,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:44:28,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:44:34,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:44:36,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:44:43,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:44:47,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:44:49,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:44:56,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:45:04,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:45:06,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:45:08,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:45:10,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 08:45:12,634 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 [] [2023-12-02 08:45:22,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:45:22,194 INFO L93 Difference]: Finished difference Result 298456 states and 496518 transitions. [2023-12-02 08:45:22,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 08:45:22,196 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2023-12-02 08:45:22,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:45:23,372 INFO L225 Difference]: With dead ends: 298456 [2023-12-02 08:45:23,372 INFO L226 Difference]: Without dead ends: 197174 [2023-12-02 08:45:24,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:45:24,133 INFO L413 NwaCegarLoop]: 11453 mSDtfsCounter, 9190 mSDsluCounter, 8506 mSDsCounter, 0 mSdLazyCounter, 1911 mSolverCounterSat, 7 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9190 SdHoareTripleChecker+Valid, 19959 SdHoareTripleChecker+Invalid, 1929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1911 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.6s IncrementalHoareTripleChecker+Time [2023-12-02 08:45:24,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9190 Valid, 19959 Invalid, 1929 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1911 Invalid, 11 Unknown, 0 Unchecked, 51.6s Time] [2023-12-02 08:45:24,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197174 states.