./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--media--usb--s2255--s2255drv.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e538e483-cd8d-47d3-b52a-ee01bfd5e2ae/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e538e483-cd8d-47d3-b52a-ee01bfd5e2ae/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e538e483-cd8d-47d3-b52a-ee01bfd5e2ae/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e538e483-cd8d-47d3-b52a-ee01bfd5e2ae/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--media--usb--s2255--s2255drv.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e538e483-cd8d-47d3-b52a-ee01bfd5e2ae/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e538e483-cd8d-47d3-b52a-ee01bfd5e2ae/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 54e002909c3a42ac4626b4ae6d9c433b64c95193dc7056ae93230780cdb474fa --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:46:06,876 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:46:06,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:46:06,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:46:06,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:46:06,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:46:06,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:46:06,917 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:46:06,919 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:46:06,920 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:46:06,921 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:46:06,922 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:46:06,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:46:06,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:46:06,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:46:06,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:46:06,929 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:46:06,930 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:46:06,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:46:06,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:46:06,937 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:46:06,939 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:46:06,940 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:46:06,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:46:06,946 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:46:06,946 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:46:06,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:46:06,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:46:06,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:46:06,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:46:06,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:46:06,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:46:06,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:46:06,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:46:06,955 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:46:06,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:46:06,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:46:06,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:46:06,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:46:06,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:46:06,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:46:06,960 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e538e483-cd8d-47d3-b52a-ee01bfd5e2ae/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 05:46:06,986 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:46:06,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:46:06,987 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:46:06,987 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:46:06,988 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 05:46:06,988 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 05:46:06,989 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:46:06,989 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:46:06,989 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:46:06,990 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:46:06,990 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 05:46:06,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:46:06,991 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 05:46:06,991 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 05:46:06,991 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 05:46:06,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:46:06,991 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:46:06,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 05:46:06,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:46:06,992 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:46:06,992 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 05:46:06,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:46:06,993 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:46:06,993 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 05:46:06,993 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 05:46:06,994 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 05:46:06,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 05:46:06,994 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 05:46:06,994 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 05:46:06,994 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 05:46:06,995 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:46:06,995 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_e538e483-cd8d-47d3-b52a-ee01bfd5e2ae/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e538e483-cd8d-47d3-b52a-ee01bfd5e2ae/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54e002909c3a42ac4626b4ae6d9c433b64c95193dc7056ae93230780cdb474fa [2021-11-20 05:46:07,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:46:07,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:46:07,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:46:07,291 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:46:07,294 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:46:07,295 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e538e483-cd8d-47d3-b52a-ee01bfd5e2ae/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--media--usb--s2255--s2255drv.ko-entry_point.cil.out.i [2021-11-20 05:46:07,382 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e538e483-cd8d-47d3-b52a-ee01bfd5e2ae/bin/uautomizer-DQz5hQGWxF/data/34cf0d282/5c0a28c4c767423ea8135c2429884a31/FLAG4800b1962 [2021-11-20 05:46:08,308 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:46:08,310 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e538e483-cd8d-47d3-b52a-ee01bfd5e2ae/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--media--usb--s2255--s2255drv.ko-entry_point.cil.out.i [2021-11-20 05:46:08,364 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e538e483-cd8d-47d3-b52a-ee01bfd5e2ae/bin/uautomizer-DQz5hQGWxF/data/34cf0d282/5c0a28c4c767423ea8135c2429884a31/FLAG4800b1962 [2021-11-20 05:46:08,709 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e538e483-cd8d-47d3-b52a-ee01bfd5e2ae/bin/uautomizer-DQz5hQGWxF/data/34cf0d282/5c0a28c4c767423ea8135c2429884a31 [2021-11-20 05:46:08,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:46:08,713 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:46:08,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:46:08,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:46:08,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:46:08,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:46:08" (1/1) ... [2021-11-20 05:46:08,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bcf7823 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:08, skipping insertion in model container [2021-11-20 05:46:08,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:46:08" (1/1) ... [2021-11-20 05:46:08,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:46:08,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:46:09,419 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4609] [2021-11-20 05:46:11,048 WARN L230 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_e538e483-cd8d-47d3-b52a-ee01bfd5e2ae/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--media--usb--s2255--s2255drv.ko-entry_point.cil.out.i[293547,293560] [2021-11-20 05:46:11,110 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:46:11,159 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:46:11,294 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4609] [2021-11-20 05:46:11,749 WARN L230 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_e538e483-cd8d-47d3-b52a-ee01bfd5e2ae/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--media--usb--s2255--s2255drv.ko-entry_point.cil.out.i[293547,293560] [2021-11-20 05:46:11,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:46:11,915 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:46:11,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:11 WrapperNode [2021-11-20 05:46:11,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:46:11,917 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:46:11,917 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:46:11,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:46:11,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:11" (1/1) ... [2021-11-20 05:46:12,111 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:11" (1/1) ... [2021-11-20 05:46:13,348 INFO L137 Inliner]: procedures = 249, calls = 3463, calls flagged for inlining = 133, calls inlined = 120, statements flattened = 7306 [2021-11-20 05:46:13,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:46:13,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:46:13,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:46:13,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:46:13,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:11" (1/1) ... [2021-11-20 05:46:13,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:11" (1/1) ... [2021-11-20 05:46:13,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:11" (1/1) ... [2021-11-20 05:46:13,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:11" (1/1) ... [2021-11-20 05:46:15,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:11" (1/1) ... [2021-11-20 05:46:15,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:11" (1/1) ... [2021-11-20 05:46:15,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:11" (1/1) ... [2021-11-20 05:46:15,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:46:15,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:46:15,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:46:15,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:46:15,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:11" (1/1) ... [2021-11-20 05:46:15,218 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:46:15,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e538e483-cd8d-47d3-b52a-ee01bfd5e2ae/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:15,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e538e483-cd8d-47d3-b52a-ee01bfd5e2ae/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:15,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e538e483-cd8d-47d3-b52a-ee01bfd5e2ae/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 05:46:15,305 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-20 05:46:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-20 05:46:15,305 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_stop_acquire [2021-11-20 05:46:15,306 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_stop_acquire [2021-11-20 05:46:15,306 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-20 05:46:15,306 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-20 05:46:15,306 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_set_plane_payload [2021-11-20 05:46:15,306 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_set_plane_payload [2021-11-20 05:46:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_is_streaming [2021-11-20 05:46:15,307 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_is_streaming [2021-11-20 05:46:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_fop_poll [2021-11-20 05:46:15,307 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_fop_poll [2021-11-20 05:46:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 05:46:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 05:46:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 05:46:15,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 05:46:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 05:46:15,309 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 05:46:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2021-11-20 05:46:15,309 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2021-11-20 05:46:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_fop_mmap [2021-11-20 05:46:15,309 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_fop_mmap [2021-11-20 05:46:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-20 05:46:15,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-20 05:46:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 05:46:15,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 05:46:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_is_busy [2021-11-20 05:46:15,311 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_is_busy [2021-11-20 05:46:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-20 05:46:15,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-20 05:46:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-20 05:46:15,311 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-20 05:46:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-11-20 05:46:15,312 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-11-20 05:46:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 05:46:15,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 05:46:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2021-11-20 05:46:15,313 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2021-11-20 05:46:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-20 05:46:15,313 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-20 05:46:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 05:46:15,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 05:46:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 05:46:15,314 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 05:46:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2021-11-20 05:46:15,315 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2021-11-20 05:46:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-11-20 05:46:15,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-11-20 05:46:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 05:46:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-20 05:46:15,316 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-20 05:46:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 05:46:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-11-20 05:46:15,317 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-11-20 05:46:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-20 05:46:15,318 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-20 05:46:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-20 05:46:15,319 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-20 05:46:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-11-20 05:46:15,319 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-11-20 05:46:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 05:46:15,320 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 05:46:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_write_config [2021-11-20 05:46:15,320 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_write_config [2021-11-20 05:46:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 05:46:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 05:46:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure to_s2255_dev [2021-11-20 05:46:15,321 INFO L138 BoogieDeclarations]: Found implementation of procedure to_s2255_dev [2021-11-20 05:46:15,322 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-20 05:46:15,322 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-20 05:46:15,322 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-20 05:46:15,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-20 05:46:15,323 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-20 05:46:15,323 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-20 05:46:15,323 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-20 05:46:15,324 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-20 05:46:15,324 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-20 05:46:15,324 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-20 05:46:15,324 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2021-11-20 05:46:15,324 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2021-11-20 05:46:15,325 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_vendor_req [2021-11-20 05:46:15,325 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_vendor_req [2021-11-20 05:46:15,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 05:46:15,325 INFO L130 BoogieDeclarations]: Found specification of procedure norm_minw [2021-11-20 05:46:15,325 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_minw [2021-11-20 05:46:15,325 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-20 05:46:15,326 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-20 05:46:15,326 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_buffer_done [2021-11-20 05:46:15,327 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_buffer_done [2021-11-20 05:46:15,327 INFO L130 BoogieDeclarations]: Found specification of procedure norm_minh [2021-11-20 05:46:15,327 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_minh [2021-11-20 05:46:15,328 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2021-11-20 05:46:15,328 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2021-11-20 05:46:15,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 05:46:15,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 05:46:15,329 INFO L130 BoogieDeclarations]: Found specification of procedure video_register_device [2021-11-20 05:46:15,329 INFO L138 BoogieDeclarations]: Found implementation of procedure video_register_device [2021-11-20 05:46:15,330 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-20 05:46:15,330 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-20 05:46:15,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 05:46:15,331 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 05:46:15,331 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-20 05:46:15,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-20 05:46:15,331 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2021-11-20 05:46:15,333 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2021-11-20 05:46:15,333 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-20 05:46:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-20 05:46:15,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-20 05:46:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-20 05:46:15,334 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2021-11-20 05:46:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2021-11-20 05:46:15,335 INFO L130 BoogieDeclarations]: Found specification of procedure get_transfer_size [2021-11-20 05:46:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure get_transfer_size [2021-11-20 05:46:15,335 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-11-20 05:46:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-11-20 05:46:15,336 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 05:46:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 05:46:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 05:46:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 05:46:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 05:46:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_board_shutdown [2021-11-20 05:46:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_board_shutdown [2021-11-20 05:46:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-20 05:46:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-20 05:46:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 05:46:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2021-11-20 05:46:15,350 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2021-11-20 05:46:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_destroy [2021-11-20 05:46:15,350 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_destroy [2021-11-20 05:46:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_set_mode [2021-11-20 05:46:15,351 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_set_mode [2021-11-20 05:46:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-20 05:46:15,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-20 05:46:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 05:46:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-20 05:46:15,351 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-20 05:46:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_reset_dsppower [2021-11-20 05:46:15,352 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_reset_dsppower [2021-11-20 05:46:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 05:46:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_fwload_start [2021-11-20 05:46:15,352 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_fwload_start [2021-11-20 05:46:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2021-11-20 05:46:15,353 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2021-11-20 05:46:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-20 05:46:15,353 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-20 05:46:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-20 05:46:15,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-20 05:46:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-20 05:46:15,354 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-20 05:46:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-20 05:46:15,354 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-20 05:46:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure format_by_fourcc [2021-11-20 05:46:15,354 INFO L138 BoogieDeclarations]: Found implementation of procedure format_by_fourcc [2021-11-20 05:46:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-20 05:46:15,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-20 05:46:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-20 05:46:15,355 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-20 05:46:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 05:46:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2021-11-20 05:46:15,355 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2021-11-20 05:46:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-20 05:46:15,356 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-20 05:46:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:46:15,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:46:16,248 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:46:16,251 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:46:16,657 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true;