./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--v4l2-core--videodev.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56d2221-d616-40d0-bbab-641d72453945/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56d2221-d616-40d0-bbab-641d72453945/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56d2221-d616-40d0-bbab-641d72453945/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56d2221-d616-40d0-bbab-641d72453945/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--v4l2-core--videodev.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56d2221-d616-40d0-bbab-641d72453945/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56d2221-d616-40d0-bbab-641d72453945/bin/uautomizer-wIGwrQj20G --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 1b6c84d4372797c36661d68a6a48eec3acd4768223bc5f3b885ab4bab759aef5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:45:26,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:45:26,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:45:26,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:45:26,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:45:26,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:45:26,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:45:26,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:45:26,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:45:26,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:45:26,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:45:26,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:45:26,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:45:26,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:45:26,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:45:26,858 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:45:26,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:45:26,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:45:26,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:45:26,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:45:26,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:45:26,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:45:26,871 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:45:26,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:45:26,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:45:26,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:45:26,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:45:26,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:45:26,879 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:45:26,881 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:45:26,881 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:45:26,882 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:45:26,883 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:45:26,884 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:45:26,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:45:26,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:45:26,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:45:26,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:45:26,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:45:26,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:45:26,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:45:26,907 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56d2221-d616-40d0-bbab-641d72453945/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-23 13:45:26,949 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:45:26,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:45:26,950 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:45:26,950 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:45:26,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:45:26,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:45:26,952 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:45:26,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:45:26,952 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 13:45:26,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:45:26,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 13:45:26,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 13:45:26,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 13:45:26,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 13:45:26,953 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:45:26,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 13:45:26,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:45:26,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:45:26,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 13:45:26,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:45:26,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:45:26,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 13:45:26,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 13:45:26,955 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 13:45:26,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 13:45:26,955 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 13:45:26,956 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 13:45:26,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 13:45:26,956 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:45:26,956 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_f56d2221-d616-40d0-bbab-641d72453945/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56d2221-d616-40d0-bbab-641d72453945/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b6c84d4372797c36661d68a6a48eec3acd4768223bc5f3b885ab4bab759aef5 [2021-11-23 13:45:27,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:45:27,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:45:27,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:45:27,249 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:45:27,250 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:45:27,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56d2221-d616-40d0-bbab-641d72453945/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--v4l2-core--videodev.ko-entry_point.cil.out.i [2021-11-23 13:45:27,352 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56d2221-d616-40d0-bbab-641d72453945/bin/uautomizer-wIGwrQj20G/data/db65a1efe/ad1edc5f2c084cf9a69dba37945bce0d/FLAG24ed280e4 [2021-11-23 13:45:28,661 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:45:28,663 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56d2221-d616-40d0-bbab-641d72453945/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--v4l2-core--videodev.ko-entry_point.cil.out.i [2021-11-23 13:45:28,812 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56d2221-d616-40d0-bbab-641d72453945/bin/uautomizer-wIGwrQj20G/data/db65a1efe/ad1edc5f2c084cf9a69dba37945bce0d/FLAG24ed280e4 [2021-11-23 13:45:29,261 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56d2221-d616-40d0-bbab-641d72453945/bin/uautomizer-wIGwrQj20G/data/db65a1efe/ad1edc5f2c084cf9a69dba37945bce0d [2021-11-23 13:45:29,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:45:29,266 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:45:29,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:45:29,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:45:29,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:45:29,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:45:29" (1/1) ... [2021-11-23 13:45:29,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1786b963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:29, skipping insertion in model container [2021-11-23 13:45:29,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:45:29" (1/1) ... [2021-11-23 13:45:29,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:45:29,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:45:30,467 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3970] [2021-11-23 13:45:39,300 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_f56d2221-d616-40d0-bbab-641d72453945/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--v4l2-core--videodev.ko-entry_point.cil.out.i[938387,938400] [2021-11-23 13:45:39,996 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:45:40,154 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:45:40,228 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3970] [2021-11-23 13:45:41,380 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_f56d2221-d616-40d0-bbab-641d72453945/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--v4l2-core--videodev.ko-entry_point.cil.out.i[938387,938400] [2021-11-23 13:45:41,407 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:45:42,000 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:45:42,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:42 WrapperNode [2021-11-23 13:45:42,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:45:42,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:45:42,003 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:45:42,003 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:45:42,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:42" (1/1) ... [2021-11-23 13:45:42,472 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:42" (1/1) ... [2021-11-23 13:45:45,333 INFO L137 Inliner]: procedures = 880, calls = 16204, calls flagged for inlining = 2115, calls inlined = 4166, statements flattened = 85407 [2021-11-23 13:45:45,343 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:45:45,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:45:45,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:45:45,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:45:45,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:42" (1/1) ... [2021-11-23 13:45:45,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:42" (1/1) ... [2021-11-23 13:45:46,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:42" (1/1) ... [2021-11-23 13:45:46,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:42" (1/1) ... [2021-11-23 13:45:47,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:42" (1/1) ... [2021-11-23 13:45:48,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:42" (1/1) ... [2021-11-23 13:45:48,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:42" (1/1) ... [2021-11-23 13:45:48,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:45:48,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:45:48,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:45:48,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:45:48,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:42" (1/1) ... [2021-11-23 13:45:48,633 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:45:48,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56d2221-d616-40d0-bbab-641d72453945/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:45:48,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56d2221-d616-40d0-bbab-641d72453945/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 13:45:48,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56d2221-d616-40d0-bbab-641d72453945/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 13:45:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister_subdev [2021-11-23 13:45:48,733 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister_subdev [2021-11-23 13:45:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_open [2021-11-23 13:45:48,733 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_open [2021-11-23 13:45:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-23 13:45:48,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-23 13:45:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2021-11-23 13:45:48,733 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2021-11-23 13:45:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_querymenu [2021-11-23 13:45:48,734 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_querymenu [2021-11-23 13:45:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_create_bufs [2021-11-23 13:45:48,734 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_create_bufs [2021-11-23 13:45:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_exit [2021-11-23 13:45:48,734 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_exit [2021-11-23 13:45:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure set_ctrl [2021-11-23 13:45:48,734 INFO L138 BoogieDeclarations]: Found implementation of procedure set_ctrl [2021-11-23 13:45:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_enum_fmt [2021-11-23 13:45:48,735 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_enum_fmt [2021-11-23 13:45:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 13:45:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-23 13:45:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-11-23 13:45:48,735 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-11-23 13:45:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_query_ext_ctrl [2021-11-23 13:45:48,735 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_query_ext_ctrl [2021-11-23 13:45:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ioctl [2021-11-23 13:45:48,736 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ioctl [2021-11-23 13:45:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_g_fmt [2021-11-23 13:45:48,736 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_g_fmt [2021-11-23 13:45:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_async_notifier_register [2021-11-23 13:45:48,736 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_async_notifier_register [2021-11-23 13:45:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_s_ext_ctrls [2021-11-23 13:45:48,736 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_s_ext_ctrls [2021-11-23 13:45:48,737 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_try_fmt [2021-11-23 13:45:48,737 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_try_fmt [2021-11-23 13:45:48,737 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_g_parm [2021-11-23 13:45:48,737 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_g_parm [2021-11-23 13:45:48,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 13:45:48,737 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_queue [2021-11-23 13:45:48,737 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_queue [2021-11-23 13:45:48,738 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_enuminput [2021-11-23 13:45:48,738 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_enuminput [2021-11-23 13:45:48,738 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ctrl [2021-11-23 13:45:48,738 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ctrl [2021-11-23 13:45:48,738 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-23 13:45:48,739 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-23 13:45:48,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 13:45:48,739 INFO L130 BoogieDeclarations]: Found specification of procedure subdev_do_ioctl [2021-11-23 13:45:48,740 INFO L138 BoogieDeclarations]: Found implementation of procedure subdev_do_ioctl [2021-11-23 13:45:48,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 13:45:48,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 13:45:48,740 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 13:45:48,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:45:48,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:45:48,740 INFO L130 BoogieDeclarations]: Found specification of procedure subdev_compat_ioctl32 [2021-11-23 13:45:48,740 INFO L138 BoogieDeclarations]: Found implementation of procedure subdev_compat_ioctl32 [2021-11-23 13:45:48,741 INFO L130 BoogieDeclarations]: Found specification of procedure native_ioctl [2021-11-23 13:45:48,741 INFO L138 BoogieDeclarations]: Found implementation of procedure native_ioctl [2021-11-23 13:45:48,742 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_prepare_buf [2021-11-23 13:45:48,743 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_prepare_buf [2021-11-23 13:45:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ctrl [2021-11-23 13:45:48,743 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ctrl [2021-11-23 13:45:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_cropcap [2021-11-23 13:45:48,743 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_cropcap [2021-11-23 13:45:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 13:45:48,744 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_g_modulator [2021-11-23 13:45:48,744 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_g_modulator [2021-11-23 13:45:48,744 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_s_parm [2021-11-23 13:45:48,745 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_s_parm [2021-11-23 13:45:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_queue_fh [2021-11-23 13:45:48,745 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_queue_fh [2021-11-23 13:45:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_g_ctrl [2021-11-23 13:45:48,746 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_g_ctrl [2021-11-23 13:45:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure subdev_open [2021-11-23 13:45:48,746 INFO L138 BoogieDeclarations]: Found implementation of procedure subdev_open [2021-11-23 13:45:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 13:45:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure update_from_auto_cluster [2021-11-23 13:45:48,747 INFO L138 BoogieDeclarations]: Found implementation of procedure update_from_auto_cluster [2021-11-23 13:45:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 13:45:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure match_custom [2021-11-23 13:45:48,747 INFO L138 BoogieDeclarations]: Found implementation of procedure match_custom [2021-11-23 13:45:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_async_test_notify [2021-11-23 13:45:48,747 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_async_test_notify [2021-11-23 13:45:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_g_ext_ctrls [2021-11-23 13:45:48,748 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_g_ext_ctrls [2021-11-23 13:45:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_dbg_s_register [2021-11-23 13:45:48,748 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_dbg_s_register [2021-11-23 13:45:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_querystd [2021-11-23 13:45:48,749 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_querystd [2021-11-23 13:45:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_try_ext_ctrls [2021-11-23 13:45:48,749 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_try_ext_ctrls [2021-11-23 13:45:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_s_hw_freq_seek [2021-11-23 13:45:48,749 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_s_hw_freq_seek [2021-11-23 13:45:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure handler_new_ref [2021-11-23 13:45:48,750 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_new_ref [2021-11-23 13:45:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_dbg_g_register [2021-11-23 13:45:48,750 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_dbg_g_register [2021-11-23 13:45:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_release___0 [2021-11-23 13:45:48,751 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_release___0 [2021-11-23 13:45:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_s_frequency [2021-11-23 13:45:48,751 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_s_frequency [2021-11-23 13:45:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_release [2021-11-23 13:45:48,752 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_release [2021-11-23 13:45:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 13:45:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_s_crop [2021-11-23 13:45:48,752 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_s_crop [2021-11-23 13:45:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure set_ctrl_lock [2021-11-23 13:45:48,752 INFO L138 BoogieDeclarations]: Found implementation of procedure set_ctrl_lock [2021-11-23 13:45:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-23 13:45:48,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-23 13:45:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_s_ctrl [2021-11-23 13:45:48,753 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_s_ctrl [2021-11-23 13:45:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_async_unregister_subdev [2021-11-23 13:45:48,753 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_async_unregister_subdev [2021-11-23 13:45:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_enum_freq_bands [2021-11-23 13:45:48,754 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_enum_freq_bands [2021-11-23 13:45:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_poll [2021-11-23 13:45:48,754 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_poll [2021-11-23 13:45:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure __v4l2_event_queue_fh [2021-11-23 13:45:48,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __v4l2_event_queue_fh [2021-11-23 13:45:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_querycap [2021-11-23 13:45:48,758 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_querycap [2021-11-23 13:45:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_try_ext_ctrls [2021-11-23 13:45:48,758 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_try_ext_ctrls [2021-11-23 13:45:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_async_register_subdev [2021-11-23 13:45:48,760 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_async_register_subdev [2021-11-23 13:45:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure get_ctrl [2021-11-23 13:45:48,760 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ctrl [2021-11-23 13:45:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_async_cleanup [2021-11-23 13:45:48,766 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_async_cleanup [2021-11-23 13:45:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_write [2021-11-23 13:45:48,767 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_write [2021-11-23 13:45:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_setup [2021-11-23 13:45:48,767 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_setup [2021-11-23 13:45:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 13:45:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_s_ext_ctrls [2021-11-23 13:45:48,767 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_s_ext_ctrls [2021-11-23 13:45:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 13:45:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_register_subdev [2021-11-23 13:45:48,768 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_register_subdev [2021-11-23 13:45:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ext_ctrls [2021-11-23 13:45:48,768 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ext_ctrls [2021-11-23 13:45:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 13:45:48,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 13:45:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 13:45:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~~bool~0 [2021-11-23 13:45:48,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~~bool~0 [2021-11-23 13:45:48,769 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_querybuf [2021-11-23 13:45:48,769 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_querybuf [2021-11-23 13:45:48,769 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_g_sliced_vbi_cap [2021-11-23 13:45:48,769 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_g_sliced_vbi_cap [2021-11-23 13:45:48,769 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_clk_disable [2021-11-23 13:45:48,769 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_clk_disable [2021-11-23 13:45:48,769 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_s_ctrl [2021-11-23 13:45:48,769 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_s_ctrl [2021-11-23 13:45:48,769 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_queryctrl [2021-11-23 13:45:48,770 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_queryctrl [2021-11-23 13:45:48,770 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-23 13:45:48,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-23 13:45:48,770 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_enumoutput [2021-11-23 13:45:48,770 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_enumoutput [2021-11-23 13:45:48,770 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 13:45:48,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 13:45:48,770 INFO L130 BoogieDeclarations]: Found specification of procedure __v4l2_ctrl_s_ctrl_string [2021-11-23 13:45:48,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __v4l2_ctrl_s_ctrl_string [2021-11-23 13:45:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_read [2021-11-23 13:45:48,771 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_read [2021-11-23 13:45:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 13:45:48,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 13:45:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_g_ext_ctrls [2021-11-23 13:45:48,771 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_g_ext_ctrls [2021-11-23 13:45:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_mmap [2021-11-23 13:45:48,771 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_mmap [2021-11-23 13:45:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_unsubscribe_event [2021-11-23 13:45:48,772 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_unsubscribe_event [2021-11-23 13:45:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2021-11-23 13:45:48,772 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2021-11-23 13:45:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe_all [2021-11-23 13:45:48,772 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe_all [2021-11-23 13:45:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-23 13:45:48,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-23 13:45:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-23 13:45:48,772 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-23 13:45:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure try_or_set_cluster [2021-11-23 13:45:48,773 INFO L138 BoogieDeclarations]: Found implementation of procedure try_or_set_cluster [2021-11-23 13:45:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 13:45:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_qbuf [2021-11-23 13:45:48,773 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_qbuf [2021-11-23 13:45:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_compat_ioctl32 [2021-11-23 13:45:48,773 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_compat_ioctl32 [2021-11-23 13:45:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_clk_set_rate [2021-11-23 13:45:48,773 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_clk_set_rate [2021-11-23 13:45:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_clk_get_rate [2021-11-23 13:45:48,774 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_clk_get_rate [2021-11-23 13:45:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_g_crop [2021-11-23 13:45:48,774 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_g_crop [2021-11-23 13:45:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_link_validate_get_format [2021-11-23 13:45:48,774 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_link_validate_get_format [2021-11-23 13:45:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new [2021-11-23 13:45:48,774 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new [2021-11-23 13:45:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ext_ctrls [2021-11-23 13:45:48,774 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ext_ctrls [2021-11-23 13:45:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-23 13:45:48,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-23 13:45:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 13:45:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_dqbuf [2021-11-23 13:45:48,775 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_dqbuf [2021-11-23 13:45:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure do_video_ioctl [2021-11-23 13:45:48,775 INFO L138 BoogieDeclarations]: Found implementation of procedure do_video_ioctl [2021-11-23 13:45:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure subdev_close [2021-11-23 13:45:48,775 INFO L138 BoogieDeclarations]: Found implementation of procedure subdev_close [2021-11-23 13:45:48,776 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_s_tuner [2021-11-23 13:45:48,776 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_s_tuner [2021-11-23 13:45:48,776 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_link_validate [2021-11-23 13:45:48,776 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_link_validate [2021-11-23 13:45:48,776 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_g_frequency [2021-11-23 13:45:48,776 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_g_frequency [2021-11-23 13:45:48,776 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_g_tuner [2021-11-23 13:45:48,776 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_g_tuner [2021-11-23 13:45:48,776 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_put [2021-11-23 13:45:48,777 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_put [2021-11-23 13:45:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_subscribe_event [2021-11-23 13:45:48,777 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_subscribe_event [2021-11-23 13:45:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_try_ext_ctrls [2021-11-23 13:45:48,777 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_try_ext_ctrls [2021-11-23 13:45:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_async_notifier_unregister [2021-11-23 13:45:48,777 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_async_notifier_unregister [2021-11-23 13:45:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_log_status [2021-11-23 13:45:48,777 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_log_status [2021-11-23 13:45:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_reqbufs [2021-11-23 13:45:48,778 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_reqbufs [2021-11-23 13:45:48,778 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_clk_enable [2021-11-23 13:45:48,778 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_clk_enable [2021-11-23 13:45:48,778 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_dbg_g_chip_info [2021-11-23 13:45:48,778 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_dbg_g_chip_info [2021-11-23 13:45:48,778 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_g_ctrl [2021-11-23 13:45:48,778 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_g_ctrl [2021-11-23 13:45:48,779 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_release [2021-11-23 13:45:48,779 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_release [2021-11-23 13:45:48,779 INFO L130 BoogieDeclarations]: Found specification of procedure try_set_ext_ctrls [2021-11-23 13:45:48,779 INFO L138 BoogieDeclarations]: Found implementation of procedure try_set_ext_ctrls [2021-11-23 13:45:48,779 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 13:45:48,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 13:45:48,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 13:45:48,780 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 13:45:48,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 13:45:48,780 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_s_fmt [2021-11-23 13:45:48,780 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_s_fmt [2021-11-23 13:45:52,876 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:45:52,882 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 13:52:16,686 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 13:52:16,761 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 13:52:16,761 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 13:52:16,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:52:16 BoogieIcfgContainer [2021-11-23 13:52:16,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 13:52:16,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 13:52:16,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 13:52:16,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 13:52:16,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:45:29" (1/3) ... [2021-11-23 13:52:16,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75973a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:52:16, skipping insertion in model container [2021-11-23 13:52:16,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:42" (2/3) ... [2021-11-23 13:52:16,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75973a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:52:16, skipping insertion in model container [2021-11-23 13:52:16,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:52:16" (3/3) ... [2021-11-23 13:52:16,784 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--media--v4l2-core--videodev.ko-entry_point.cil.out.i [2021-11-23 13:52:16,790 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 13:52:16,790 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 187 error locations. [2021-11-23 13:52:16,884 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 13:52:16,890 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 13:52:16,891 INFO L340 AbstractCegarLoop]: Starting to check reachability of 187 error locations. [2021-11-23 13:52:17,138 INFO L276 IsEmpty]: Start isEmpty. Operand has 14961 states, 14321 states have (on average 1.4938202639480482) internal successors, (21393), 14522 states have internal predecessors, (21393), 338 states have call successors, (338), 114 states have call predecessors, (338), 114 states have return successors, (338), 329 states have call predecessors, (338), 338 states have call successors, (338) [2021-11-23 13:52:17,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 13:52:17,155 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:52:17,156 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:52:17,161 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [v4l2_async_notifier_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, v4l2_async_notifier_registerErr1ASSERT_VIOLATIONERROR_FUNCTION (and 185 more)] === [2021-11-23 13:52:17,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:52:17,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1850758980, now seen corresponding path program 1 times [2021-11-23 13:52:17,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:52:17,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625986708] [2021-11-23 13:52:17,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:52:17,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:52:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:52:18,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:52:18,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:52:18,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625986708] [2021-11-23 13:52:18,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625986708] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:52:18,754 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:52:18,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 13:52:18,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001746926] [2021-11-23 13:52:18,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:52:18,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 13:52:18,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:52:18,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 13:52:18,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 13:52:18,847 INFO L87 Difference]: Start difference. First operand has 14961 states, 14321 states have (on average 1.4938202639480482) internal successors, (21393), 14522 states have internal predecessors, (21393), 338 states have call successors, (338), 114 states have call predecessors, (338), 114 states have return successors, (338), 329 states have call predecessors, (338), 338 states have call successors, (338) Second operand has 2 states, 2 states have (on average 50.5) internal successors, (101), 2 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:52:19,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:52:19,711 INFO L93 Difference]: Finished difference Result 29731 states and 44284 transitions. [2021-11-23 13:52:19,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 13:52:19,730 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 50.5) internal successors, (101), 2 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2021-11-23 13:52:19,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:52:19,880 INFO L225 Difference]: With dead ends: 29731 [2021-11-23 13:52:19,881 INFO L226 Difference]: Without dead ends: 14731 [2021-11-23 13:52:20,496 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 13:52:20,500 INFO L933 BasicCegarLoop]: 21547 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21547 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 13:52:20,501 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 21547 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:52:20,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14731 states. [2021-11-23 13:52:21,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14731 to 14731. [2021-11-23 13:52:21,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14731 states, 14092 states have (on average 1.4752341754186773) internal successors, (20789), 14292 states have internal predecessors, (20789), 338 states have call successors, (338), 114 states have call predecessors, (338), 114 states have return successors, (338), 329 states have call predecessors, (338), 338 states have call successors, (338) [2021-11-23 13:52:21,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14731 states to 14731 states and 21465 transitions. [2021-11-23 13:52:21,428 INFO L78 Accepts]: Start accepts. Automaton has 14731 states and 21465 transitions. Word has length 101 [2021-11-23 13:52:21,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:52:21,428 INFO L470 AbstractCegarLoop]: Abstraction has 14731 states and 21465 transitions. [2021-11-23 13:52:21,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 50.5) internal successors, (101), 2 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:52:21,430 INFO L276 IsEmpty]: Start isEmpty. Operand 14731 states and 21465 transitions. [2021-11-23 13:52:21,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 13:52:21,434 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:52:21,434 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:52:21,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 13:52:21,435 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [v4l2_async_notifier_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, v4l2_async_notifier_registerErr1ASSERT_VIOLATIONERROR_FUNCTION (and 185 more)] === [2021-11-23 13:52:21,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:52:21,436 INFO L85 PathProgramCache]: Analyzing trace with hash -22443670, now seen corresponding path program 1 times [2021-11-23 13:52:21,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:52:21,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330162881] [2021-11-23 13:52:21,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:52:21,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:52:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:52:23,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:52:23,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:52:23,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330162881] [2021-11-23 13:52:23,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330162881] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:52:23,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:52:23,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 13:52:23,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808252782] [2021-11-23 13:52:23,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:52:23,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:52:23,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:52:23,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:52:23,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:52:23,083 INFO L87 Difference]: Start difference. First operand 14731 states and 21465 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:52:25,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:52:25,638 INFO L93 Difference]: Finished difference Result 43786 states and 63904 transitions. [2021-11-23 13:52:25,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:52:25,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2021-11-23 13:52:25,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:52:25,876 INFO L225 Difference]: With dead ends: 43786 [2021-11-23 13:52:25,877 INFO L226 Difference]: Without dead ends: 29141 [2021-11-23 13:52:26,172 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:52:26,174 INFO L933 BasicCegarLoop]: 21801 mSDtfsCounter, 21156 mSDsluCounter, 21343 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21156 SdHoareTripleChecker+Valid, 43144 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-23 13:52:26,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21156 Valid, 43144 Invalid, 29 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-23 13:52:26,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29141 states. [2021-11-23 13:52:27,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29141 to 28719. [2021-11-23 13:52:27,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28719 states, 27629 states have (on average 1.4813058742625502) internal successors, (40927), 27843 states have internal predecessors, (40927), 675 states have call successors, (675), 228 states have call predecessors, (675), 228 states have return successors, (675), 657 states have call predecessors, (675), 675 states have call successors, (675) [2021-11-23 13:52:27,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28719 states to 28719 states and 42277 transitions. [2021-11-23 13:52:27,266 INFO L78 Accepts]: Start accepts. Automaton has 28719 states and 42277 transitions. Word has length 101 [2021-11-23 13:52:27,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:52:27,269 INFO L470 AbstractCegarLoop]: Abstraction has 28719 states and 42277 transitions. [2021-11-23 13:52:27,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:52:27,270 INFO L276 IsEmpty]: Start isEmpty. Operand 28719 states and 42277 transitions. [2021-11-23 13:52:27,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-23 13:52:27,277 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:52:27,278 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:52:27,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 13:52:27,279 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [v4l2_async_notifier_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, v4l2_async_notifier_registerErr1ASSERT_VIOLATIONERROR_FUNCTION (and 185 more)] === [2021-11-23 13:52:27,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:52:27,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1091207152, now seen corresponding path program 1 times [2021-11-23 13:52:27,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:52:27,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064809170] [2021-11-23 13:52:27,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:52:27,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:52:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:52:28,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:52:28,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:52:28,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064809170] [2021-11-23 13:52:28,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064809170] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:52:28,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:52:28,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 13:52:28,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283935915] [2021-11-23 13:52:28,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:52:28,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:52:28,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:52:28,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:52:28,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:52:28,713 INFO L87 Difference]: Start difference. First operand 28719 states and 42277 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:52:31,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:52:31,767 INFO L93 Difference]: Finished difference Result 85530 states and 126042 transitions. [2021-11-23 13:52:31,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:52:31,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2021-11-23 13:52:31,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:52:32,385 INFO L225 Difference]: With dead ends: 85530 [2021-11-23 13:52:32,385 INFO L226 Difference]: Without dead ends: 56897 [2021-11-23 13:52:32,548 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:52:32,556 INFO L933 BasicCegarLoop]: 22085 mSDtfsCounter, 21125 mSDsluCounter, 21343 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21125 SdHoareTripleChecker+Valid, 43428 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-23 13:52:32,557 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21125 Valid, 43428 Invalid, 29 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-23 13:52:32,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56897 states. [2021-11-23 13:52:34,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56897 to 56502. [2021-11-23 13:52:34,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56502 states, 54511 states have (on average 1.4847095081726625) internal successors, (80933), 54753 states have internal predecessors, (80933), 1348 states have call successors, (1348), 456 states have call predecessors, (1348), 456 states have return successors, (1348), 1312 states have call predecessors, (1348), 1348 states have call successors, (1348) [2021-11-23 13:52:34,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56502 states to 56502 states and 83629 transitions. [2021-11-23 13:52:34,695 INFO L78 Accepts]: Start accepts. Automaton has 56502 states and 83629 transitions. Word has length 105 [2021-11-23 13:52:34,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:52:34,697 INFO L470 AbstractCegarLoop]: Abstraction has 56502 states and 83629 transitions. [2021-11-23 13:52:34,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:52:34,698 INFO L276 IsEmpty]: Start isEmpty. Operand 56502 states and 83629 transitions. [2021-11-23 13:52:34,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-23 13:52:34,706 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:52:34,706 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:52:34,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 13:52:34,707 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [v4l2_async_notifier_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, v4l2_async_notifier_registerErr1ASSERT_VIOLATIONERROR_FUNCTION (and 185 more)] === [2021-11-23 13:52:34,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:52:34,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1556565901, now seen corresponding path program 1 times [2021-11-23 13:52:34,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:52:34,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204897453] [2021-11-23 13:52:34,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:52:34,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:52:35,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:52:36,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:52:36,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:52:36,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204897453] [2021-11-23 13:52:36,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204897453] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:52:36,285 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:52:36,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 13:52:36,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874118929] [2021-11-23 13:52:36,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:52:36,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:52:36,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:52:36,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:52:36,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:52:36,287 INFO L87 Difference]: Start difference. First operand 56502 states and 83629 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:52:39,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:52:39,260 INFO L93 Difference]: Finished difference Result 169195 states and 250543 transitions. [2021-11-23 13:52:39,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:52:39,261 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2021-11-23 13:52:39,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:52:40,363 INFO L225 Difference]: With dead ends: 169195 [2021-11-23 13:52:40,363 INFO L226 Difference]: Without dead ends: 112779 [2021-11-23 13:52:40,715 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:52:40,716 INFO L933 BasicCegarLoop]: 22367 mSDtfsCounter, 21243 mSDsluCounter, 21445 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21243 SdHoareTripleChecker+Valid, 43812 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-23 13:52:40,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21243 Valid, 43812 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-23 13:52:40,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112779 states. [2021-11-23 13:52:44,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112779 to 112423. [2021-11-23 13:52:44,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112423 states, 108628 states have (on average 1.4860533195861103) internal successors, (161427), 108926 states have internal predecessors, (161427), 2696 states have call successors, (2696), 912 states have call predecessors, (2696), 912 states have return successors, (2696), 2624 states have call predecessors, (2696), 2696 states have call successors, (2696)