./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-blackbird-ko--32_7a--d47b389-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306df4fb-6f8b-4984-8145-319dda0fd63f/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306df4fb-6f8b-4984-8145-319dda0fd63f/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306df4fb-6f8b-4984-8145-319dda0fd63f/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306df4fb-6f8b-4984-8145-319dda0fd63f/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-blackbird-ko--32_7a--d47b389-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306df4fb-6f8b-4984-8145-319dda0fd63f/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306df4fb-6f8b-4984-8145-319dda0fd63f/bin/utaipan-verify-DbMuA5NWw2 --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 69361565d4dab8cbd1398ca297abfe70273a0f8345d662be9468b84c66962c2b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:26:08,034 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:26:08,129 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306df4fb-6f8b-4984-8145-319dda0fd63f/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:26:08,134 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:26:08,134 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:26:08,174 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:26:08,175 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:26:08,176 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:26:08,177 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:26:08,179 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:26:08,179 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:26:08,182 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:26:08,183 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:26:08,183 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:26:08,183 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:26:08,184 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:26:08,184 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:26:08,184 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:26:08,185 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:26:08,185 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:26:08,185 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:26:08,190 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:26:08,191 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:26:08,191 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:26:08,191 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:26:08,192 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:26:08,192 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:26:08,192 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:26:08,192 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:26:08,193 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:26:08,194 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:26:08,194 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:26:08,194 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:26:08,195 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:26:08,195 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:26:08,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:26:08,197 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:26:08,197 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:26:08,198 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:26:08,198 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:26:08,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:26:08,199 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:26:08,200 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:26:08,200 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:26:08,200 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_306df4fb-6f8b-4984-8145-319dda0fd63f/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306df4fb-6f8b-4984-8145-319dda0fd63f/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69361565d4dab8cbd1398ca297abfe70273a0f8345d662be9468b84c66962c2b [2024-11-02 12:26:08,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:26:08,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:26:08,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:26:08,544 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:26:08,544 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:26:08,546 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306df4fb-6f8b-4984-8145-319dda0fd63f/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-blackbird-ko--32_7a--d47b389-1.i Unable to find full path for "g++" [2024-11-02 12:26:10,863 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:26:11,452 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:26:11,453 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306df4fb-6f8b-4984-8145-319dda0fd63f/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-blackbird-ko--32_7a--d47b389-1.i [2024-11-02 12:26:11,505 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306df4fb-6f8b-4984-8145-319dda0fd63f/bin/utaipan-verify-DbMuA5NWw2/data/dcea2ce46/169d8c38331849e48bd7768e66d28908/FLAGa78180cd3 [2024-11-02 12:26:11,527 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306df4fb-6f8b-4984-8145-319dda0fd63f/bin/utaipan-verify-DbMuA5NWw2/data/dcea2ce46/169d8c38331849e48bd7768e66d28908 [2024-11-02 12:26:11,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:26:11,532 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:26:11,534 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:26:11,535 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:26:11,541 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:26:11,542 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:26:11" (1/1) ... [2024-11-02 12:26:11,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b5cc75a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:11, skipping insertion in model container [2024-11-02 12:26:11,543 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:26:11" (1/1) ... [2024-11-02 12:26:11,687 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:26:13,390 WARN L251 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_306df4fb-6f8b-4984-8145-319dda0fd63f/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-blackbird-ko--32_7a--d47b389-1.i[220074,220087] [2024-11-02 12:26:13,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:26:13,583 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:26:13,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; incl %0": "+m" (v->counter)); [5048] [2024-11-02 12:26:13,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; decl %0": "+m" (v->counter)); [5055] [2024-11-02 12:26:13,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5224] [2024-11-02 12:26:13,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5231] [2024-11-02 12:26:13,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5238] [2024-11-02 12:26:14,024 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)__sd->list.next) [6182] [2024-11-02 12:26:14,083 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)__sd->list.next) [6288] [2024-11-02 12:26:14,254 WARN L251 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_306df4fb-6f8b-4984-8145-319dda0fd63f/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-blackbird-ko--32_7a--d47b389-1.i[220074,220087] [2024-11-02 12:26:14,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:26:14,429 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:26:14,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:14 WrapperNode [2024-11-02 12:26:14,430 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:26:14,431 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:26:14,431 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:26:14,432 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:26:14,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:14" (1/1) ... [2024-11-02 12:26:14,521 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:14" (1/1) ... [2024-11-02 12:26:14,694 INFO L138 Inliner]: procedures = 228, calls = 1684, calls flagged for inlining = 120, calls inlined = 112, statements flattened = 4059 [2024-11-02 12:26:14,694 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:26:14,695 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:26:14,695 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:26:14,696 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:26:14,708 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:14" (1/1) ... [2024-11-02 12:26:14,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:14" (1/1) ... [2024-11-02 12:26:14,759 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:14" (1/1) ... [2024-11-02 12:26:14,760 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:14" (1/1) ... [2024-11-02 12:26:14,980 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:14" (1/1) ... [2024-11-02 12:26:15,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:14" (1/1) ... [2024-11-02 12:26:15,039 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:14" (1/1) ... [2024-11-02 12:26:15,054 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:14" (1/1) ... [2024-11-02 12:26:15,091 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:26:15,093 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:26:15,093 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:26:15,093 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:26:15,094 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:14" (1/1) ... [2024-11-02 12:26:15,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:26:15,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306df4fb-6f8b-4984-8145-319dda0fd63f/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:26:15,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306df4fb-6f8b-4984-8145-319dda0fd63f/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:26:15,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_306df4fb-6f8b-4984-8145-319dda0fd63f/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:26:15,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-11-02 12:26:15,176 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-11-02 12:26:15,176 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-02 12:26:15,176 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-02 12:26:15,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:26:15,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-02 12:26:15,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-02 12:26:15,176 INFO L130 BoogieDeclarations]: Found specification of procedure blackbird_initialize_codec [2024-11-02 12:26:15,177 INFO L138 BoogieDeclarations]: Found implementation of procedure blackbird_initialize_codec [2024-11-02 12:26:15,177 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_tvnorm [2024-11-02 12:26:15,177 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_tvnorm [2024-11-02 12:26:15,177 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_blackbird_advise_acquire [2024-11-02 12:26:15,177 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_blackbird_advise_acquire [2024-11-02 12:26:15,178 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-02 12:26:15,178 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-02 12:26:15,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-02 12:26:15,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-02 12:26:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-02 12:26:15,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-02 12:26:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-11-02 12:26:15,180 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-11-02 12:26:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-02 12:26:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-02 12:26:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_scale [2024-11-02 12:26:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_scale [2024-11-02 12:26:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-11-02 12:26:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-11-02 12:26:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_next [2024-11-02 12:26:15,182 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_next [2024-11-02 12:26:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_va_arg [2024-11-02 12:26:15,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_va_arg [2024-11-02 12:26:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure memory_read [2024-11-02 12:26:15,183 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_read [2024-11-02 12:26:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:26:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure cx2341x_update [2024-11-02 12:26:15,183 INFO L138 BoogieDeclarations]: Found implementation of procedure cx2341x_update [2024-11-02 12:26:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure register_read [2024-11-02 12:26:15,184 INFO L138 BoogieDeclarations]: Found implementation of procedure register_read [2024-11-02 12:26:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_blackbird_advise_release [2024-11-02 12:26:15,184 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_blackbird_advise_release [2024-11-02 12:26:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:26:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure cx2341x_ext_ctrls [2024-11-02 12:26:15,184 INFO L138 BoogieDeclarations]: Found implementation of procedure cx2341x_ext_ctrls [2024-11-02 12:26:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-02 12:26:15,184 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-02 12:26:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_get_driver [2024-11-02 12:26:15,184 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_get_driver [2024-11-02 12:26:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2024-11-02 12:26:15,185 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2024-11-02 12:26:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure register_write [2024-11-02 12:26:15,185 INFO L138 BoogieDeclarations]: Found implementation of procedure register_write [2024-11-02 12:26:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure blackbird_start_codec [2024-11-02 12:26:15,185 INFO L138 BoogieDeclarations]: Found implementation of procedure blackbird_start_codec [2024-11-02 12:26:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:26:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:26:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-02 12:26:15,185 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-02 12:26:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2024-11-02 12:26:15,187 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2024-11-02 12:26:15,187 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_blackbird_remove [2024-11-02 12:26:15,187 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_blackbird_remove [2024-11-02 12:26:15,187 INFO L130 BoogieDeclarations]: Found specification of procedure memory_write [2024-11-02 12:26:15,188 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_write [2024-11-02 12:26:15,188 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2024-11-02 12:26:15,188 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2024-11-02 12:26:15,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-02 12:26:15,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-02 12:26:15,188 INFO L130 BoogieDeclarations]: Found specification of procedure blackbird_queryctrl [2024-11-02 12:26:15,188 INFO L138 BoogieDeclarations]: Found implementation of procedure blackbird_queryctrl [2024-11-02 12:26:15,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:26:15,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:26:15,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_cx88_core [2024-11-02 12:26:15,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_cx88_core [2024-11-02 12:26:15,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_cx88_core [2024-11-02 12:26:15,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_cx88_core [2024-11-02 12:26:15,189 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_video_mux [2024-11-02 12:26:15,190 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_video_mux [2024-11-02 12:26:15,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:26:15,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-02 12:26:15,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-02 12:26:15,192 INFO L130 BoogieDeclarations]: Found specification of procedure mpeg_open [2024-11-02 12:26:15,192 INFO L138 BoogieDeclarations]: Found implementation of procedure mpeg_open [2024-11-02 12:26:15,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:26:15,192 INFO L130 BoogieDeclarations]: Found specification of procedure blackbird_stop_codec [2024-11-02 12:26:15,192 INFO L138 BoogieDeclarations]: Found implementation of procedure blackbird_stop_codec [2024-11-02 12:26:15,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:26:15,192 INFO L130 BoogieDeclarations]: Found specification of procedure mpeg_release [2024-11-02 12:26:15,192 INFO L138 BoogieDeclarations]: Found implementation of procedure mpeg_release [2024-11-02 12:26:15,193 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-02 12:26:15,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-02 12:26:15,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:26:15,193 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_log_status [2024-11-02 12:26:15,194 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_log_status [2024-11-02 12:26:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure mpeg_poll [2024-11-02 12:26:15,194 INFO L138 BoogieDeclarations]: Found implementation of procedure mpeg_poll [2024-11-02 12:26:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure wait_ready_gpio0_bit1 [2024-11-02 12:26:15,194 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_ready_gpio0_bit1 [2024-11-02 12:26:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_blackbird_probe [2024-11-02 12:26:15,194 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_blackbird_probe [2024-11-02 12:26:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_ctrl_query [2024-11-02 12:26:15,195 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_ctrl_query [2024-11-02 12:26:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-11-02 12:26:15,196 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-11-02 12:26:15,196 INFO L130 BoogieDeclarations]: Found specification of procedure blackbird_api_cmd [2024-11-02 12:26:15,196 INFO L138 BoogieDeclarations]: Found implementation of procedure blackbird_api_cmd [2024-11-02 12:26:15,196 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2024-11-02 12:26:15,196 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2024-11-02 12:26:15,196 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-02 12:26:15,197 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-02 12:26:15,197 INFO L130 BoogieDeclarations]: Found specification of procedure mpeg_mmap [2024-11-02 12:26:15,197 INFO L138 BoogieDeclarations]: Found implementation of procedure mpeg_mmap [2024-11-02 12:26:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-02 12:26:15,198 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-02 12:26:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:26:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2024-11-02 12:26:15,198 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2024-11-02 12:26:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:26:15,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:26:16,183 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:26:16,191 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:26:31,913 INFO L? ?]: Removed 1793 outVars from TransFormulas that were not future-live. [2024-11-02 12:26:31,914 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:26:33,059 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:26:33,059 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-02 12:26:33,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:33 BoogieIcfgContainer [2024-11-02 12:26:33,060 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:26:33,062 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:26:33,062 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:26:33,065 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:26:33,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:26:11" (1/3) ... [2024-11-02 12:26:33,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55196178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:33, skipping insertion in model container [2024-11-02 12:26:33,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:14" (2/3) ... [2024-11-02 12:26:33,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55196178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:33, skipping insertion in model container [2024-11-02 12:26:33,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:33" (3/3) ... [2024-11-02 12:26:33,070 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-video-cx88-cx88-blackbird-ko--32_7a--d47b389-1.i [2024-11-02 12:26:33,090 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:26:33,091 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:26:33,200 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:26:33,208 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;@3c5916bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:26:33,209 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:26:33,216 INFO L276 IsEmpty]: Start isEmpty. Operand has 887 states, 524 states have (on average 1.2709923664122138) internal successors, (666), 535 states have internal predecessors, (666), 309 states have call successors, (309), 52 states have call predecessors, (309), 52 states have return successors, (309), 309 states have call predecessors, (309), 309 states have call successors, (309) [2024-11-02 12:26:33,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-02 12:26:33,227 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:33,227 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:26:33,229 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:26:33,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:33,238 INFO L85 PathProgramCache]: Analyzing trace with hash -765392467, now seen corresponding path program 1 times [2024-11-02 12:26:33,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:26:33,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816434764] [2024-11-02 12:26:33,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:33,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms