./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-usb-em28xx-em28xx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa3587f-70c5-4644-a86c-88cd7a84d770/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa3587f-70c5-4644-a86c-88cd7a84d770/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa3587f-70c5-4644-a86c-88cd7a84d770/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa3587f-70c5-4644-a86c-88cd7a84d770/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-usb-em28xx-em28xx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa3587f-70c5-4644-a86c-88cd7a84d770/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa3587f-70c5-4644-a86c-88cd7a84d770/bin/utaipan-verify-sOmjnqqW8E --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 9916972418cc7a4dc04bb01af4c91c4b1b3cacce7a889f714ab9ad6ed05b0022 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:41:11,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:41:12,061 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa3587f-70c5-4644-a86c-88cd7a84d770/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 04:41:12,074 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:41:12,075 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:41:12,098 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:41:12,099 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:41:12,099 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:41:12,100 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:41:12,100 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:41:12,100 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:41:12,100 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:41:12,100 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:41:12,101 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:41:12,101 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:41:12,101 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:41:12,101 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:41:12,101 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:41:12,104 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:41:12,104 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:41:12,104 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:41:12,104 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:41:12,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:41:12,105 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:41:12,105 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:41:12,105 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:41:12,105 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:41:12,105 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:41:12,105 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:41:12,105 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:41:12,105 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:41:12,106 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:41:12,106 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:41:12,106 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:41:12,106 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:41:12,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:41:12,106 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:41:12,106 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:41:12,106 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:41:12,107 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:41:12,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:41:12,107 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:41:12,107 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:41:12,107 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:41:12,107 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_4fa3587f-70c5-4644-a86c-88cd7a84d770/bin/utaipan-verify-sOmjnqqW8E 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 -> 9916972418cc7a4dc04bb01af4c91c4b1b3cacce7a889f714ab9ad6ed05b0022 [2024-11-14 04:41:12,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:41:12,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:41:12,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:41:12,460 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:41:12,461 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:41:12,462 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa3587f-70c5-4644-a86c-88cd7a84d770/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-usb-em28xx-em28xx.cil.i Unable to find full path for "g++" [2024-11-14 04:41:14,803 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:41:15,969 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:41:15,972 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa3587f-70c5-4644-a86c-88cd7a84d770/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-usb-em28xx-em28xx.cil.i [2024-11-14 04:41:16,050 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa3587f-70c5-4644-a86c-88cd7a84d770/bin/utaipan-verify-sOmjnqqW8E/data/f22c73d58/99bc39b1b6074024bd4ba940c005019c/FLAG1e0315841 [2024-11-14 04:41:16,079 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa3587f-70c5-4644-a86c-88cd7a84d770/bin/utaipan-verify-sOmjnqqW8E/data/f22c73d58/99bc39b1b6074024bd4ba940c005019c [2024-11-14 04:41:16,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:41:16,085 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:41:16,087 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:41:16,088 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:41:16,093 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:41:16,095 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:41:16" (1/1) ... [2024-11-14 04:41:16,096 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be5bd1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:41:16, skipping insertion in model container [2024-11-14 04:41:16,098 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:41:16" (1/1) ... [2024-11-14 04:41:16,285 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:41:20,092 WARN L250 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_4fa3587f-70c5-4644-a86c-88cd7a84d770/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-usb-em28xx-em28xx.cil.i[444190,444203] [2024-11-14 04:41:20,097 WARN L250 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_4fa3587f-70c5-4644-a86c-88cd7a84d770/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-usb-em28xx-em28xx.cil.i[444356,444369] [2024-11-14 04:41:20,099 WARN L250 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_4fa3587f-70c5-4644-a86c-88cd7a84d770/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-usb-em28xx-em28xx.cil.i[444520,444533] [2024-11-14 04:41:20,101 WARN L250 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_4fa3587f-70c5-4644-a86c-88cd7a84d770/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-usb-em28xx-em28xx.cil.i[444685,444698] [2024-11-14 04:41:20,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:41:20,557 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:41:20,806 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 *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/46e2119/linux-kernel-locking-mutex/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [6153-6154] [2024-11-14 04:41:20,809 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"); [6159-6161] [2024-11-14 04:41:20,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [6196] [2024-11-14 04:41:20,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6199] [2024-11-14 04:41:20,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6202] [2024-11-14 04:41:20,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6205] [2024-11-14 04:41:20,978 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 *)"drivers/media/usb/em28xx/em28xx-i2c.c"), "i" (59), "i" (12UL)); [8141-8142] [2024-11-14 04:41:21,312 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 *)"drivers/media/usb/em28xx/em28xx-i2c.c"), "i" (911), "i" (12UL)); [9431-9432] [2024-11-14 04:41:21,314 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 *)"drivers/media/usb/em28xx/em28xx-i2c.c"), "i" (911), "i" (12UL)); [9443-9444] [2024-11-14 04:41:21,315 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 *)"drivers/media/usb/em28xx/em28xx-i2c.c"), "i" (912), "i" (12UL)); [9460-9461] [2024-11-14 04:41:21,315 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 *)"drivers/media/usb/em28xx/em28xx-i2c.c"), "i" (912), "i" (12UL)); [9473-9474] [2024-11-14 04:41:21,430 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)); [9669] [2024-11-14 04:41:21,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [9676] [2024-11-14 04:41:21,786 WARN L250 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_4fa3587f-70c5-4644-a86c-88cd7a84d770/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-usb-em28xx-em28xx.cil.i[444190,444203] [2024-11-14 04:41:21,787 WARN L250 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_4fa3587f-70c5-4644-a86c-88cd7a84d770/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-usb-em28xx-em28xx.cil.i[444356,444369] [2024-11-14 04:41:21,787 WARN L250 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_4fa3587f-70c5-4644-a86c-88cd7a84d770/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-usb-em28xx-em28xx.cil.i[444520,444533] [2024-11-14 04:41:21,788 WARN L250 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_4fa3587f-70c5-4644-a86c-88cd7a84d770/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-usb-em28xx-em28xx.cil.i[444685,444698] [2024-11-14 04:41:21,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:41:22,174 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:41:22,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:41:22 WrapperNode [2024-11-14 04:41:22,176 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:41:22,177 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:41:22,177 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:41:22,177 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:41:22,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:41:22" (1/1) ... [2024-11-14 04:41:22,355 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:41:22" (1/1) ... [2024-11-14 04:41:26,034 INFO L138 Inliner]: procedures = 320, calls = 13913, calls flagged for inlining = 150, calls inlined = 115, statements flattened = 19483 [2024-11-14 04:41:26,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:41:26,036 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:41:26,036 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:41:26,036 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:41:26,048 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:41:22" (1/1) ... [2024-11-14 04:41:26,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:41:22" (1/1) ... [2024-11-14 04:41:26,989 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:41:22" (1/1) ... [2024-11-14 04:41:26,990 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:41:22" (1/1) ... [2024-11-14 04:41:30,286 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:41:22" (1/1) ... [2024-11-14 04:41:30,316 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:41:22" (1/1) ... [2024-11-14 04:41:30,425 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:41:22" (1/1) ... [2024-11-14 04:41:30,484 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:41:22" (1/1) ... [2024-11-14 04:41:30,683 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:41:30,684 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:41:30,686 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:41:30,687 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:41:30,688 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:41:22" (1/1) ... [2024-11-14 04:41:30,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:41:30,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa3587f-70c5-4644-a86c-88cd7a84d770/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:41:30,736 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa3587f-70c5-4644-a86c-88cd7a84d770/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:41:30,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa3587f-70c5-4644-a86c-88cd7a84d770/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:41:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-14 04:41:30,786 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-14 04:41:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_regs [2024-11-14 04:41:30,787 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_regs [2024-11-14 04:41:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2024-11-14 04:41:30,787 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2024-11-14 04:41:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-14 04:41:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_do_i2c_scan [2024-11-14 04:41:30,788 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_do_i2c_scan [2024-11-14 04:41:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-14 04:41:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-14 04:41:30,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-14 04:41:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-14 04:41:30,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-14 04:41:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_usb_probe [2024-11-14 04:41:30,790 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_usb_probe [2024-11-14 04:41:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2024-11-14 04:41:30,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2024-11-14 04:41:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_hint_board [2024-11-14 04:41:30,791 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_hint_board [2024-11-14 04:41:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_i2c_recv_bytes [2024-11-14 04:41:30,791 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_i2c_recv_bytes [2024-11-14 04:41:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-14 04:41:30,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-14 04:41:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure em25xx_bus_B_recv_bytes [2024-11-14 04:41:30,793 INFO L138 BoogieDeclarations]: Found implementation of procedure em25xx_bus_B_recv_bytes [2024-11-14 04:41:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_reg_req_len [2024-11-14 04:41:30,793 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_reg_req_len [2024-11-14 04:41:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_reg_bits [2024-11-14 04:41:30,793 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_reg_bits [2024-11-14 04:41:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure em2800_i2c_recv_bytes [2024-11-14 04:41:30,793 INFO L138 BoogieDeclarations]: Found implementation of procedure em2800_i2c_recv_bytes [2024-11-14 04:41:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-14 04:41:30,793 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-14 04:41:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-14 04:41:30,794 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-14 04:41:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_release_resources [2024-11-14 04:41:30,794 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_release_resources [2024-11-14 04:41:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_regs_req [2024-11-14 04:41:30,794 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_regs_req [2024-11-14 04:41:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_hash_mem [2024-11-14 04:41:30,794 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_hash_mem [2024-11-14 04:41:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_ac97 [2024-11-14 04:41:30,794 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_ac97 [2024-11-14 04:41:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 04:41:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2024-11-14 04:41:30,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2024-11-14 04:41:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2024-11-14 04:41:30,794 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2024-11-14 04:41:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_em28xx [2024-11-14 04:41:30,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_em28xx [2024-11-14 04:41:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 04:41:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-14 04:41:30,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-14 04:41:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-14 04:41:30,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-14 04:41:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_isoc [2024-11-14 04:41:30,795 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_isoc [2024-11-14 04:41:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2024-11-14 04:41:30,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2024-11-14 04:41:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 04:41:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 04:41:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_set_mode [2024-11-14 04:41:30,799 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_set_mode [2024-11-14 04:41:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~int [2024-11-14 04:41:30,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~int [2024-11-14 04:41:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-14 04:41:30,800 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-14 04:41:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_i2c_register [2024-11-14 04:41:30,800 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_i2c_register [2024-11-14 04:41:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-14 04:41:30,801 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-14 04:41:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-14 04:41:30,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-14 04:41:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-14 04:41:30,801 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-14 04:41:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-14 04:41:30,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-14 04:41:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_gpio_set [2024-11-14 04:41:30,802 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_gpio_set [2024-11-14 04:41:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-11-14 04:41:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-11-14 04:41:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-14 04:41:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-14 04:41:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_init_camera [2024-11-14 04:41:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_init_camera [2024-11-14 04:41:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u16~0~TO~int [2024-11-14 04:41:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u16~0~TO~int [2024-11-14 04:41:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_reg_req [2024-11-14 04:41:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_reg_req [2024-11-14 04:41:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-14 04:41:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-14 04:41:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-14 04:41:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~TO~int [2024-11-14 04:41:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~TO~int [2024-11-14 04:41:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_is_ac97_ready [2024-11-14 04:41:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_is_ac97_ready [2024-11-14 04:41:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_i2c_read_block [2024-11-14 04:41:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_i2c_read_block [2024-11-14 04:41:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ctrl_urb_lock_of_em28xx [2024-11-14 04:41:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ctrl_urb_lock_of_em28xx [2024-11-14 04:41:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ctrl_urb_lock_of_em28xx [2024-11-14 04:41:30,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ctrl_urb_lock_of_em28xx [2024-11-14 04:41:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 04:41:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-14 04:41:30,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-14 04:41:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_i2c_new_subdev_board [2024-11-14 04:41:30,807 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_i2c_new_subdev_board [2024-11-14 04:41:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 04:41:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-11-14 04:41:30,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-11-14 04:41:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2024-11-14 04:41:30,808 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2024-11-14 04:41:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_i2c_unregister [2024-11-14 04:41:30,808 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_i2c_unregister [2024-11-14 04:41:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-14 04:41:30,808 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-14 04:41:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-14 04:41:30,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-14 04:41:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-14 04:41:30,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-14 04:41:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u16~0~X~$Pointer$~X~int~TO~int [2024-11-14 04:41:30,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u16~0~X~$Pointer$~X~int~TO~int [2024-11-14 04:41:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_reg [2024-11-14 04:41:30,809 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_reg [2024-11-14 04:41:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-14 04:41:30,809 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-14 04:41:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-11-14 04:41:30,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-11-14 04:41:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-14 04:41:30,809 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-14 04:41:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 04:41:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-14 04:41:30,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-14 04:41:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_init_dev [2024-11-14 04:41:30,810 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_init_dev [2024-11-14 04:41:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 04:41:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_em28xx_devlist_mutex [2024-11-14 04:41:30,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_em28xx_devlist_mutex [2024-11-14 04:41:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_ac97 [2024-11-14 04:41:30,810 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_ac97 [2024-11-14 04:41:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:41:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-14 04:41:30,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-14 04:41:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-14 04:41:30,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-14 04:41:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 04:41:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2024-11-14 04:41:30,810 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2024-11-14 04:41:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_em28xx_devlist_mutex [2024-11-14 04:41:30,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_em28xx_devlist_mutex [2024-11-14 04:41:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_audio_analog_set [2024-11-14 04:41:30,813 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_audio_analog_set [2024-11-14 04:41:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-14 04:41:30,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-14 04:41:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_set_model [2024-11-14 04:41:30,814 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_set_model [2024-11-14 04:41:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_init_extension [2024-11-14 04:41:30,814 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_init_extension [2024-11-14 04:41:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-11-14 04:41:30,814 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-11-14 04:41:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-14 04:41:30,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-14 04:41:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_usb_disconnect [2024-11-14 04:41:30,814 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_usb_disconnect [2024-11-14 04:41:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_pre_card_setup [2024-11-14 04:41:30,814 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_pre_card_setup [2024-11-14 04:41:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure rt_mutex_unlock [2024-11-14 04:41:30,814 INFO L138 BoogieDeclarations]: Found implementation of procedure rt_mutex_unlock [2024-11-14 04:41:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_recv [2024-11-14 04:41:30,814 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_recv [2024-11-14 04:41:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-11-14 04:41:30,815 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-11-14 04:41:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_reg [2024-11-14 04:41:30,815 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_reg [2024-11-14 04:41:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-14 04:41:30,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-14 04:41:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_register_extension [2024-11-14 04:41:30,815 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_register_extension [2024-11-14 04:41:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:41:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_audio_setup [2024-11-14 04:41:30,815 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_audio_setup [2024-11-14 04:41:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-14 04:41:30,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-14 04:41:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:41:30,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:41:32,673 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:41:32,676 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:41:32,888 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-14 04:50:20,926 INFO L? ?]: Removed 1764 outVars from TransFormulas that were not future-live. [2024-11-14 04:50:20,926 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:51:01,402 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:51:01,402 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-14 04:51:01,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:51:01 BoogieIcfgContainer [2024-11-14 04:51:01,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:51:01,406 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:51:01,406 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:51:01,411 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:51:01,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:41:16" (1/3) ... [2024-11-14 04:51:01,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d6dec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:51:01, skipping insertion in model container [2024-11-14 04:51:01,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:41:22" (2/3) ... [2024-11-14 04:51:01,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d6dec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:51:01, skipping insertion in model container [2024-11-14 04:51:01,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:51:01" (3/3) ... [2024-11-14 04:51:01,415 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-mutex_drivers-media-usb-em28xx-em28xx.cil.i [2024-11-14 04:51:01,438 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:51:01,441 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_linux-kernel-locking-mutex_drivers-media-usb-em28xx-em28xx.cil.i that has 86 procedures, 1605 locations, 1 initial locations, 8 loop locations, and 3 error locations. [2024-11-14 04:51:01,583 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:51:01,599 INFO L333 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, 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;@44d3cc30, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:51:01,601 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-14 04:51:01,616 INFO L276 IsEmpty]: Start isEmpty. Operand has 1604 states, 1029 states have (on average 1.3654033041788143) internal successors, (1405), 1065 states have internal predecessors, (1405), 487 states have call successors, (487), 85 states have call predecessors, (487), 84 states have return successors, (483), 480 states have call predecessors, (483), 483 states have call successors, (483) [2024-11-14 04:51:01,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-14 04:51:01,626 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:51:01,627 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-14 04:51:01,628 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-14 04:51:01,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:51:01,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1468985516, now seen corresponding path program 1 times [2024-11-14 04:51:01,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:51:01,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696767640] [2024-11-14 04:51:01,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:51:01,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms