./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_3cea9051-b9f0-4555-9c74-6e05829e4402/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cea9051-b9f0-4555-9c74-6e05829e4402/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cea9051-b9f0-4555-9c74-6e05829e4402/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cea9051-b9f0-4555-9c74-6e05829e4402/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cea9051-b9f0-4555-9c74-6e05829e4402/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cea9051-b9f0-4555-9c74-6e05829e4402/bin/utaipan-verify-mE87zJ7Ire --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 213c19133f8e1eb8e04c1430c89bd3923e29e833639b74dc68815899bbf3f9fa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:11:46,627 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:11:46,753 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cea9051-b9f0-4555-9c74-6e05829e4402/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:11:46,761 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:11:46,762 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:11:46,828 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:11:46,828 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:11:46,829 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:11:46,830 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:11:46,830 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:11:46,831 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:11:46,832 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:11:46,832 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:11:46,833 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:11:46,833 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:11:46,834 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:11:46,834 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:11:46,835 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:11:46,835 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:11:46,836 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:11:46,836 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:11:46,837 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:11:46,838 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:11:46,838 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:11:46,838 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:11:46,839 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:11:46,839 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:11:46,840 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:11:46,840 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:11:46,840 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:11:46,841 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:11:46,841 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:11:46,842 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:11:46,842 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:11:46,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:46,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:11:46,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:11:46,862 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:11:46,862 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:11:46,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:11:46,862 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:11:46,863 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:11:46,863 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:11:46,863 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:11:46,864 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_3cea9051-b9f0-4555-9c74-6e05829e4402/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cea9051-b9f0-4555-9c74-6e05829e4402/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 213c19133f8e1eb8e04c1430c89bd3923e29e833639b74dc68815899bbf3f9fa [2023-11-23 21:11:47,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:11:47,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:11:47,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:11:47,221 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:11:47,221 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:11:47,223 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cea9051-b9f0-4555-9c74-6e05829e4402/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i [2023-11-23 21:11:50,230 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:11:51,232 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:11:51,232 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cea9051-b9f0-4555-9c74-6e05829e4402/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i [2023-11-23 21:11:51,308 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cea9051-b9f0-4555-9c74-6e05829e4402/bin/utaipan-verify-mE87zJ7Ire/data/526268497/60f901ca61224df4bfdfc5b0f0676cba/FLAG8bbf05261 [2023-11-23 21:11:51,330 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cea9051-b9f0-4555-9c74-6e05829e4402/bin/utaipan-verify-mE87zJ7Ire/data/526268497/60f901ca61224df4bfdfc5b0f0676cba [2023-11-23 21:11:51,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:11:51,338 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:11:51,340 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:51,340 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:11:51,346 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:11:51,347 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:51" (1/1) ... [2023-11-23 21:11:51,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ba0119f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:51, skipping insertion in model container [2023-11-23 21:11:51,348 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:51" (1/1) ... [2023-11-23 21:11:51,618 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:11:56,085 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_3cea9051-b9f0-4555-9c74-6e05829e4402/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i[553894,553907] [2023-11-23 21:11:56,388 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:56,620 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:11:56,732 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"); [5931] [2023-11-23 21:11:56,774 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/exper_fp/work/current--X--drivers--X--defaultlinux-3.10-rc1.tar--X--32_7a--X--cpachecker/linux-3.10-rc1.tar/csd_deg_dscv/2685/dscv_tempdir/dscv/ri/32_7a/drivers/media/usb/em28xx/em28xx-video.c.prepared"), "i" (613), "i" (12UL)); [6699-6700] [2023-11-23 21:11:57,213 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/exper_fp/work/current--X--drivers--X--defaultlinux-3.10-rc1.tar--X--32_7a--X--cpachecker/linux-3.10-rc1.tar/csd_deg_dscv/2685/dscv_tempdir/dscv/ri/32_7a/drivers/media/usb/em28xx/em28xx-i2c.c.prepared"), "i" (122), "i" (12UL)); [9402-9403] [2023-11-23 21:11:57,353 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/exper_fp/work/current--X--drivers--X--defaultlinux-3.10-rc1.tar--X--32_7a--X--cpachecker/linux-3.10-rc1.tar/csd_deg_dscv/2685/dscv_tempdir/dscv/ri/32_7a/drivers/media/usb/em28xx/em28xx-i2c.c.prepared"), "i" (940), "i" (12UL)); [10383-10384] [2023-11-23 21:11:57,354 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/exper_fp/work/current--X--drivers--X--defaultlinux-3.10-rc1.tar--X--32_7a--X--cpachecker/linux-3.10-rc1.tar/csd_deg_dscv/2685/dscv_tempdir/dscv/ri/32_7a/drivers/media/usb/em28xx/em28xx-i2c.c.prepared"), "i" (941), "i" (12UL)); [10405-10406] [2023-11-23 21:11:57,444 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)); [10556] [2023-11-23 21:11:57,445 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,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [10564-10565] [2023-11-23 21:11:57,638 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/exper_fp/inst/current/envs/linux-3.10-rc1.tar/linux-3.10-rc1/arch/x86/include/asm/paravirt.h"), "i" (824), "i" (12UL)); [13360-13361] [2023-11-23 21:11:57,639 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [13366-13368] [2023-11-23 21:11:57,640 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [13411] [2023-11-23 21:11:57,641 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [13414] [2023-11-23 21:11:57,641 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [13417] [2023-11-23 21:11:57,641 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [13420] [2023-11-23 21:11:57,806 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_3cea9051-b9f0-4555-9c74-6e05829e4402/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i[553894,553907] [2023-11-23 21:11:57,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:58,155 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:11:58,163 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:11:58,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:58 WrapperNode [2023-11-23 21:11:58,164 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:58,166 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:58,166 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:11:58,166 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:11:58,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:58" (1/1) ... [2023-11-23 21:11:58,519 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:58" (1/1) ... [2023-11-23 21:11:59,079 INFO L138 Inliner]: procedures = 457, calls = 15696, calls flagged for inlining = 155, calls inlined = 76, statements flattened = 13328 [2023-11-23 21:11:59,080 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:59,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:11:59,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:11:59,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:11:59,092 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:58" (1/1) ... [2023-11-23 21:11:59,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:58" (1/1) ... [2023-11-23 21:11:59,181 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:58" (1/1) ... [2023-11-23 21:11:59,182 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:58" (1/1) ... [2023-11-23 21:11:59,893 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:58" (1/1) ... [2023-11-23 21:11:59,929 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:58" (1/1) ... [2023-11-23 21:11:59,989 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:58" (1/1) ... [2023-11-23 21:12:00,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:58" (1/1) ... [2023-11-23 21:12:00,112 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:12:00,114 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:12:00,114 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:12:00,114 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:12:00,115 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:58" (1/1) ... [2023-11-23 21:12:00,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:00,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cea9051-b9f0-4555-9c74-6e05829e4402/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:12:00,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cea9051-b9f0-4555-9c74-6e05829e4402/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:12:00,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cea9051-b9f0-4555-9c74-6e05829e4402/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:12:00,199 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-11-23 21:12:00,199 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-11-23 21:12:00,199 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_regs [2023-11-23 21:12:00,199 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_regs [2023-11-23 21:12:00,200 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_capture_area_set [2023-11-23 21:12:00,200 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_capture_area_set [2023-11-23 21:12:00,201 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_alloc_urbs [2023-11-23 21:12:00,201 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_alloc_urbs [2023-11-23 21:12:00,201 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2023-11-23 21:12:00,201 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2023-11-23 21:12:00,201 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_fop_mmap [2023-11-23 21:12:00,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:12:00,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:12:00,203 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_stop_streaming [2023-11-23 21:12:00,203 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_stop_streaming [2023-11-23 21:12:00,205 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2023-11-23 21:12:00,205 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2023-11-23 21:12:00,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-11-23 21:12:00,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-11-23 21:12:00,206 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-23 21:12:00,206 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-23 21:12:00,207 INFO L130 BoogieDeclarations]: Found specification of procedure res_free [2023-11-23 21:12:00,207 INFO L138 BoogieDeclarations]: Found implementation of procedure res_free [2023-11-23 21:12:00,207 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:12:00,207 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:12:00,208 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_ac97 [2023-11-23 21:12:00,208 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_ac97 [2023-11-23 21:12:00,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_em28xx [2023-11-23 21:12:00,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_em28xx [2023-11-23 21:12:00,208 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2023-11-23 21:12:00,208 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2023-11-23 21:12:00,208 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-23 21:12:00,209 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-23 21:12:00,209 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-11-23 21:12:00,209 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-11-23 21:12:00,209 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_frequency [2023-11-23 21:12:00,209 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_frequency [2023-11-23 21:12:00,209 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:12:00,210 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:12:00,210 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_register [2023-11-23 21:12:00,210 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_register [2023-11-23 21:12:00,210 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2023-11-23 21:12:00,210 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2023-11-23 21:12:00,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:12:00,211 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_vbi_supported [2023-11-23 21:12:00,211 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_vbi_supported [2023-11-23 21:12:00,211 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-23 21:12:00,212 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-23 21:12:00,212 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:12:00,213 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:12:00,213 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_copy_video [2023-11-23 21:12:00,213 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_copy_video [2023-11-23 21:12:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_gpio_set [2023-11-23 21:12:00,214 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_gpio_set [2023-11-23 21:12:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_chip_ident [2023-11-23 21:12:00,214 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_chip_ident [2023-11-23 21:12:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~v4l2_std_id~0~TO~int [2023-11-23 21:12:00,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~v4l2_std_id~0~TO~int [2023-11-23 21:12:00,215 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2023-11-23 21:12:00,215 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2023-11-23 21:12:00,215 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_reg_req [2023-11-23 21:12:00,215 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_reg_req [2023-11-23 21:12:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:12:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ctrl_urb_lock_of_em28xx [2023-11-23 21:12:00,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ctrl_urb_lock_of_em28xx [2023-11-23 21:12:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-23 21:12:00,216 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-23 21:12:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_buffer_done [2023-11-23 21:12:00,216 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_buffer_done [2023-11-23 21:12:00,217 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-23 21:12:00,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-23 21:12:00,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ctrl_urb_lock_of_em28xx [2023-11-23 21:12:00,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ctrl_urb_lock_of_em28xx [2023-11-23 21:12:00,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:12:00,218 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~int [2023-11-23 21:12:00,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~int [2023-11-23 21:12:00,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-11-23 21:12:00,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-11-23 21:12:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:12:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_i2c_unregister [2023-11-23 21:12:00,219 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_i2c_unregister [2023-11-23 21:12:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:12:00,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:12:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-23 21:12:00,220 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-23 21:12:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_reg [2023-11-23 21:12:00,220 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_reg [2023-11-23 21:12:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-23 21:12:00,220 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-23 21:12:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure video_is_registered [2023-11-23 21:12:00,221 INFO L138 BoogieDeclarations]: Found implementation of procedure video_is_registered [2023-11-23 21:12:00,221 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2023-11-23 21:12:00,221 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2023-11-23 21:12:00,221 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2023-11-23 21:12:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:12:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure video_mux [2023-11-23 21:12:00,222 INFO L138 BoogieDeclarations]: Found implementation of procedure video_mux [2023-11-23 21:12:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:12:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:12:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:12:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_audio_analog_set [2023-11-23 21:12:00,223 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_audio_analog_set [2023-11-23 21:12:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:12:00,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:12:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-11-23 21:12:00,224 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-11-23 21:12:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_prepare [2023-11-23 21:12:00,225 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_prepare [2023-11-23 21:12:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_start_analog_streaming [2023-11-23 21:12:00,225 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_start_analog_streaming [2023-11-23 21:12:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure format_by_fourcc [2023-11-23 21:12:00,225 INFO L138 BoogieDeclarations]: Found implementation of procedure format_by_fourcc [2023-11-23 21:12:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_reg [2023-11-23 21:12:00,226 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_reg [2023-11-23 21:12:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_reg_len [2023-11-23 21:12:00,226 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_reg_len [2023-11-23 21:12:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-23 21:12:00,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-23 21:12:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2023-11-23 21:12:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure get_ressource [2023-11-23 21:12:00,227 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ressource [2023-11-23 21:12:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-11-23 21:12:00,227 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-11-23 21:12:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_set_outfmt [2023-11-23 21:12:00,228 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_set_outfmt [2023-11-23 21:12:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:12:00,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:12:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-23 21:12:00,228 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-23 21:12:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-23 21:12:00,229 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-23 21:12:00,229 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_set_plane_payload [2023-11-23 21:12:00,230 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_set_plane_payload [2023-11-23 21:12:00,231 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_fop_poll [2023-11-23 21:12:00,234 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2023-11-23 21:12:00,235 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2023-11-23 21:12:00,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:12:00,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:12:00,236 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2023-11-23 21:12:00,236 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2023-11-23 21:12:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_v4l2_close [2023-11-23 21:12:00,237 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_v4l2_close [2023-11-23 21:12:00,238 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_reg_req_len [2023-11-23 21:12:00,243 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_reg_req_len [2023-11-23 21:12:00,244 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2023-11-23 21:12:00,244 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2023-11-23 21:12:00,244 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_reg_bits [2023-11-23 21:12:00,244 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_reg_bits [2023-11-23 21:12:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:12:00,245 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:12:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:12:00,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:12:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2023-11-23 21:12:00,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2023-11-23 21:12:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_s_ctrl [2023-11-23 21:12:00,246 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_s_ctrl [2023-11-23 21:12:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:12:00,247 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:12:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_frequency [2023-11-23 21:12:00,247 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_frequency [2023-11-23 21:12:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_buffer_prepare [2023-11-23 21:12:00,247 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_buffer_prepare [2023-11-23 21:12:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_release_resources [2023-11-23 21:12:00,248 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_release_resources [2023-11-23 21:12:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-23 21:12:00,248 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-23 21:12:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2023-11-23 21:12:00,248 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2023-11-23 21:12:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_em28xx [2023-11-23 21:12:00,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_em28xx [2023-11-23 21:12:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_regs_req [2023-11-23 21:12:00,249 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_regs_req [2023-11-23 21:12:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:12:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2023-11-23 21:12:00,249 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2023-11-23 21:12:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:12:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_chip_info [2023-11-23 21:12:00,250 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_chip_info [2023-11-23 21:12:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_set_video_format [2023-11-23 21:12:00,250 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_set_video_format [2023-11-23 21:12:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:12:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_set_mode [2023-11-23 21:12:00,250 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_set_mode [2023-11-23 21:12:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:12:00,251 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:12:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2023-11-23 21:12:00,251 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2023-11-23 21:12:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 21:12:00,251 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 21:12:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-23 21:12:00,251 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-23 21:12:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_resolution_set [2023-11-23 21:12:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_resolution_set [2023-11-23 21:12:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-11-23 21:12:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-11-23 21:12:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_is_ac97_ready [2023-11-23 21:12:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_is_ac97_ready [2023-11-23 21:12:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-23 21:12:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-23 21:12:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2023-11-23 21:12:00,253 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2023-11-23 21:12:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_v4l2_open [2023-11-23 21:12:00,253 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_v4l2_open [2023-11-23 21:12:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_size [2023-11-23 21:12:00,253 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_size [2023-11-23 21:12:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-23 21:12:00,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-23 21:12:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u16~0~X~$Pointer$~X~int~TO~int [2023-11-23 21:12:00,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u16~0~X~$Pointer$~X~int~TO~int [2023-11-23 21:12:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:12:00,254 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:12:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:12:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:12:00,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:12:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_uninit_usb_xfer [2023-11-23 21:12:00,255 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_uninit_usb_xfer [2023-11-23 21:12:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure finish_field_prepare_next [2023-11-23 21:12:00,255 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_field_prepare_next [2023-11-23 21:12:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_ac97 [2023-11-23 21:12:00,255 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_ac97 [2023-11-23 21:12:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_wake_i2c [2023-11-23 21:12:00,256 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_wake_i2c [2023-11-23 21:12:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure size_to_scale [2023-11-23 21:12:00,256 INFO L138 BoogieDeclarations]: Found implementation of procedure size_to_scale [2023-11-23 21:12:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2023-11-23 21:12:00,256 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2023-11-23 21:12:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_register [2023-11-23 21:12:00,257 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_register [2023-11-23 21:12:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure scale_to_size [2023-11-23 21:12:00,257 INFO L138 BoogieDeclarations]: Found implementation of procedure scale_to_size [2023-11-23 21:12:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure print_err_status [2023-11-23 21:12:00,257 INFO L138 BoogieDeclarations]: Found implementation of procedure print_err_status [2023-11-23 21:12:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxw [2023-11-23 21:12:00,257 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxw [2023-11-23 21:12:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxh [2023-11-23 21:12:00,258 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxh [2023-11-23 21:12:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:12:00,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:12:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:12:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_vaddr [2023-11-23 21:12:00,258 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_vaddr [2023-11-23 21:12:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:12:00,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:12:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_capture_start [2023-11-23 21:12:00,259 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_capture_start [2023-11-23 21:12:01,272 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:12:01,281 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:12:33,556 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:12:36,559 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:12:36,559 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:12:36,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:36 BoogieIcfgContainer [2023-11-23 21:12:36,562 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:12:36,564 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:12:36,565 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:12:36,568 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:12:36,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:11:51" (1/3) ... [2023-11-23 21:12:36,569 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28462498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:36, skipping insertion in model container [2023-11-23 21:12:36,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:58" (2/3) ... [2023-11-23 21:12:36,570 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28462498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:36, skipping insertion in model container [2023-11-23 21:12:36,570 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:36" (3/3) ... [2023-11-23 21:12:36,571 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i [2023-11-23 21:12:36,592 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:12:36,592 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:12:36,679 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:12:36,687 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;@69e81168, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:12:36,687 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:12:36,699 INFO L276 IsEmpty]: Start isEmpty. Operand has 1614 states, 1047 states have (on average 1.3610315186246418) internal successors, (1425), 1072 states have internal predecessors, (1425), 453 states have call successors, (453), 112 states have call predecessors, (453), 112 states have return successors, (453), 452 states have call predecessors, (453), 453 states have call successors, (453) [2023-11-23 21:12:36,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 21:12:36,708 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:36,709 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:12:36,710 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:36,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:36,719 INFO L85 PathProgramCache]: Analyzing trace with hash -177380779, now seen corresponding path program 1 times [2023-11-23 21:12:36,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:12:36,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790294210] [2023-11-23 21:12:36,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:36,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms