./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 213c19133f8e1eb8e04c1430c89bd3923e29e833639b74dc68815899bbf3f9fa --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 23:18:56,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:18:56,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:18:56,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:18:56,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:18:56,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:18:56,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:18:56,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:18:56,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:18:56,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:18:56,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:18:56,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:18:56,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:18:56,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:18:56,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:18:56,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:18:56,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:18:56,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:18:56,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:18:56,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:18:56,284 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:18:56,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:18:56,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:18:56,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:18:56,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:18:56,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:18:56,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:18:56,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:18:56,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:18:56,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:18:56,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:18:56,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:18:56,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:18:56,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:18:56,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:18:56,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:18:56,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:18:56,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:18:56,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:18:56,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:18:56,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:18:56,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:18:56,301 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-19 23:18:56,323 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:18:56,323 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:18:56,324 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:18:56,324 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:18:56,324 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:18:56,325 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:18:56,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:18:56,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:18:56,325 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:18:56,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:18:56,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 23:18:56,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:18:56,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:18:56,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:18:56,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:18:56,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:18:56,327 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:18:56,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:18:56,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:18:56,327 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:18:56,327 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:18:56,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:18:56,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:18:56,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:18:56,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:18:56,328 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 23:18:56,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 23:18:56,328 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:18:56,329 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:18:56,329 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:18:56,329 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 213c19133f8e1eb8e04c1430c89bd3923e29e833639b74dc68815899bbf3f9fa [2022-07-19 23:18:56,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:18:56,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:18:56,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:18:56,541 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:18:56,541 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:18:56,542 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i [2022-07-19 23:18:56,593 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b78e3450/155a26c465aa4cfeb4cf8cd1f2eaa1a0/FLAG9c8b1dae6 [2022-07-19 23:18:57,428 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:18:57,429 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i [2022-07-19 23:18:57,488 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b78e3450/155a26c465aa4cfeb4cf8cd1f2eaa1a0/FLAG9c8b1dae6 [2022-07-19 23:18:57,640 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b78e3450/155a26c465aa4cfeb4cf8cd1f2eaa1a0 [2022-07-19 23:18:57,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:18:57,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:18:57,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:18:57,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:18:57,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:18:57,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:18:57" (1/1) ... [2022-07-19 23:18:57,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bf9d487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:18:57, skipping insertion in model container [2022-07-19 23:18:57,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:18:57" (1/1) ... [2022-07-19 23:18:57,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:18:57,802 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:19:00,159 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i[553894,553907] [2022-07-19 23:19:00,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:19:00,364 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:19:00,867 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: HeapLValues must be converted to RValue before their value can be queried. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:517) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-19 23:19:00,872 INFO L158 Benchmark]: Toolchain (without parser) took 3227.48ms. Allocated memory was 134.2MB in the beginning and 243.3MB in the end (delta: 109.1MB). Free memory was 81.4MB in the beginning and 115.7MB in the end (delta: -34.3MB). Peak memory consumption was 132.8MB. Max. memory is 16.1GB. [2022-07-19 23:19:00,872 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 81.8MB. Free memory was 41.7MB in the beginning and 41.7MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 23:19:00,874 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3224.56ms. Allocated memory was 134.2MB in the beginning and 243.3MB in the end (delta: 109.1MB). Free memory was 81.1MB in the beginning and 115.7MB in the end (delta: -34.6MB). Peak memory consumption was 132.8MB. Max. memory is 16.1GB. [2022-07-19 23:19:00,876 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 81.8MB. Free memory was 41.7MB in the beginning and 41.7MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3224.56ms. Allocated memory was 134.2MB in the beginning and 243.3MB in the end (delta: 109.1MB). Free memory was 81.1MB in the beginning and 115.7MB in the end (delta: -34.6MB). Peak memory consumption was 132.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 213c19133f8e1eb8e04c1430c89bd3923e29e833639b74dc68815899bbf3f9fa --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 23:19:02,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:19:02,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:19:02,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:19:02,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:19:02,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:19:02,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:19:02,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:19:02,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:19:02,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:19:02,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:19:02,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:19:02,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:19:02,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:19:02,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:19:02,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:19:02,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:19:02,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:19:02,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:19:02,517 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:19:02,517 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:19:02,518 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:19:02,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:19:02,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:19:02,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:19:02,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:19:02,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:19:02,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:19:02,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:19:02,528 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:19:02,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:19:02,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:19:02,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:19:02,530 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:19:02,531 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:19:02,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:19:02,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:19:02,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:19:02,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:19:02,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:19:02,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:19:02,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:19:02,538 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-19 23:19:02,562 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:19:02,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:19:02,562 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:19:02,562 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:19:02,564 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:19:02,564 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:19:02,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:19:02,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:19:02,565 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:19:02,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:19:02,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:19:02,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:19:02,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:19:02,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:19:02,575 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-19 23:19:02,575 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-19 23:19:02,575 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-19 23:19:02,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:19:02,576 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:19:02,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:19:02,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:19:02,576 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:19:02,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:19:02,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:19:02,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:19:02,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:19:02,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:19:02,577 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-19 23:19:02,577 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-19 23:19:02,577 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:19:02,578 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:19:02,578 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:19:02,578 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-19 23:19:02,578 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 213c19133f8e1eb8e04c1430c89bd3923e29e833639b74dc68815899bbf3f9fa [2022-07-19 23:19:02,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:19:02,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:19:02,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:19:02,844 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:19:02,845 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:19:02,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i [2022-07-19 23:19:02,884 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df35830f/6fdbfde34f074ac6921878483f22a24e/FLAGd2e42fe0e [2022-07-19 23:19:03,629 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:19:03,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i [2022-07-19 23:19:03,686 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df35830f/6fdbfde34f074ac6921878483f22a24e/FLAGd2e42fe0e [2022-07-19 23:19:04,125 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df35830f/6fdbfde34f074ac6921878483f22a24e [2022-07-19 23:19:04,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:19:04,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:19:04,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:19:04,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:19:04,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:19:04,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:19:04" (1/1) ... [2022-07-19 23:19:04,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e50b55f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:19:04, skipping insertion in model container [2022-07-19 23:19:04,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:19:04" (1/1) ... [2022-07-19 23:19:04,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:19:04,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:19:06,727 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i[553894,553907] [2022-07-19 23:19:06,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:19:07,132 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-19 23:19:07,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:19:07,632 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i[553894,553907] [2022-07-19 23:19:07,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:19:07,752 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:19:08,333 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i[553894,553907] [2022-07-19 23:19:08,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:19:08,557 INFO L208 MainTranslator]: Completed translation [2022-07-19 23:19:08,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:19:08 WrapperNode [2022-07-19 23:19:08,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 23:19:08,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 23:19:08,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 23:19:08,559 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 23:19:08,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:19:08" (1/1) ... [2022-07-19 23:19:08,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:19:08" (1/1) ... [2022-07-19 23:19:08,983 INFO L137 Inliner]: procedures = 472, calls = 15316, calls flagged for inlining = 155, calls inlined = 77, statements flattened = 12736 [2022-07-19 23:19:08,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 23:19:08,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 23:19:08,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 23:19:08,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 23:19:08,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:19:08" (1/1) ... [2022-07-19 23:19:08,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:19:08" (1/1) ... [2022-07-19 23:19:09,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:19:08" (1/1) ... [2022-07-19 23:19:09,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:19:08" (1/1) ... [2022-07-19 23:19:09,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:19:08" (1/1) ... [2022-07-19 23:19:09,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:19:08" (1/1) ... [2022-07-19 23:19:09,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:19:08" (1/1) ... [2022-07-19 23:19:09,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 23:19:09,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 23:19:09,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 23:19:09,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 23:19:09,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:19:08" (1/1) ... [2022-07-19 23:19:09,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:19:09,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:19:09,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-19 23:19:09,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-19 23:19:09,603 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-19 23:19:09,604 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-19 23:19:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_regs [2022-07-19 23:19:09,604 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_regs [2022-07-19 23:19:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_capture_area_set [2022-07-19 23:19:09,604 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_capture_area_set [2022-07-19 23:19:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_alloc_urbs [2022-07-19 23:19:09,604 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_alloc_urbs [2022-07-19 23:19:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-07-19 23:19:09,605 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-07-19 23:19:09,605 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_fop_mmap [2022-07-19 23:19:09,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-19 23:19:09,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-19 23:19:09,605 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_stop_streaming [2022-07-19 23:19:09,605 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_stop_streaming [2022-07-19 23:19:09,605 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~C_INT [2022-07-19 23:19:09,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~C_INT [2022-07-19 23:19:09,605 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2022-07-19 23:19:09,606 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2022-07-19 23:19:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-07-19 23:19:09,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-07-19 23:19:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-19 23:19:09,606 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-19 23:19:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure res_free [2022-07-19 23:19:09,606 INFO L138 BoogieDeclarations]: Found implementation of procedure res_free [2022-07-19 23:19:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-19 23:19:09,606 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-19 23:19:09,607 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_ac97 [2022-07-19 23:19:09,607 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_ac97 [2022-07-19 23:19:09,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_em28xx [2022-07-19 23:19:09,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_em28xx [2022-07-19 23:19:09,607 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2022-07-19 23:19:09,607 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2022-07-19 23:19:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-19 23:19:09,608 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-19 23:19:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-19 23:19:09,608 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-19 23:19:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_frequency [2022-07-19 23:19:09,608 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_frequency [2022-07-19 23:19:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-19 23:19:09,608 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-19 23:19:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_register [2022-07-19 23:19:09,609 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_register [2022-07-19 23:19:09,609 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-07-19 23:19:09,609 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-07-19 23:19:09,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 23:19:09,609 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_vbi_supported [2022-07-19 23:19:09,610 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_vbi_supported [2022-07-19 23:19:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-19 23:19:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-19 23:19:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-19 23:19:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-19 23:19:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-19 23:19:09,611 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-19 23:19:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-19 23:19:09,611 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-19 23:19:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_copy_video [2022-07-19 23:19:09,612 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_copy_video [2022-07-19 23:19:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_gpio_set [2022-07-19 23:19:09,612 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_gpio_set [2022-07-19 23:19:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_chip_ident [2022-07-19 23:19:09,612 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_chip_ident [2022-07-19 23:19:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-19 23:19:09,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-19 23:19:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2022-07-19 23:19:09,613 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2022-07-19 23:19:09,613 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_reg_req [2022-07-19 23:19:09,613 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_reg_req [2022-07-19 23:19:09,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ctrl_urb_lock_of_em28xx [2022-07-19 23:19:09,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ctrl_urb_lock_of_em28xx [2022-07-19 23:19:09,613 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-19 23:19:09,614 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-19 23:19:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_buffer_done [2022-07-19 23:19:09,614 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_buffer_done [2022-07-19 23:19:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ctrl_urb_lock_of_em28xx [2022-07-19 23:19:09,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ctrl_urb_lock_of_em28xx [2022-07-19 23:19:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-07-19 23:19:09,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-07-19 23:19:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_i2c_unregister [2022-07-19 23:19:09,614 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_i2c_unregister [2022-07-19 23:19:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-19 23:19:09,615 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-19 23:19:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-19 23:19:09,615 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-19 23:19:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_reg [2022-07-19 23:19:09,615 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_reg [2022-07-19 23:19:09,616 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-19 23:19:09,616 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-19 23:19:09,616 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~C_INT [2022-07-19 23:19:09,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~C_INT [2022-07-19 23:19:09,616 INFO L130 BoogieDeclarations]: Found specification of procedure video_is_registered [2022-07-19 23:19:09,617 INFO L138 BoogieDeclarations]: Found implementation of procedure video_is_registered [2022-07-19 23:19:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2022-07-19 23:19:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-19 23:19:09,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-19 23:19:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2022-07-19 23:19:09,618 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2022-07-19 23:19:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 23:19:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure video_mux [2022-07-19 23:19:09,618 INFO L138 BoogieDeclarations]: Found implementation of procedure video_mux [2022-07-19 23:19:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 23:19:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 23:19:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-19 23:19:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-19 23:19:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-19 23:19:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-19 23:19:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_audio_analog_set [2022-07-19 23:19:09,619 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_audio_analog_set [2022-07-19 23:19:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-19 23:19:09,619 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-19 23:19:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_prepare [2022-07-19 23:19:09,620 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_prepare [2022-07-19 23:19:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure format_by_fourcc [2022-07-19 23:19:09,622 INFO L138 BoogieDeclarations]: Found implementation of procedure format_by_fourcc [2022-07-19 23:19:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_reg [2022-07-19 23:19:09,622 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_reg [2022-07-19 23:19:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_reg_len [2022-07-19 23:19:09,623 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_reg_len [2022-07-19 23:19:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-19 23:19:09,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-19 23:19:09,624 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2022-07-19 23:19:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-19 23:19:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure get_ressource [2022-07-19 23:19:09,628 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ressource [2022-07-19 23:19:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~v4l2_std_id~0~TO~C_INT [2022-07-19 23:19:09,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~v4l2_std_id~0~TO~C_INT [2022-07-19 23:19:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-19 23:19:09,628 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-19 23:19:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_set_outfmt [2022-07-19 23:19:09,628 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_set_outfmt [2022-07-19 23:19:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 23:19:09,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 23:19:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-19 23:19:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-19 23:19:09,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-19 23:19:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-19 23:19:09,629 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-19 23:19:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_set_plane_payload [2022-07-19 23:19:09,629 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_set_plane_payload [2022-07-19 23:19:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-19 23:19:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-19 23:19:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2022-07-19 23:19:09,630 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2022-07-19 23:19:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-19 23:19:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-19 23:19:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-19 23:19:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-19 23:19:09,630 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-19 23:19:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_v4l2_close [2022-07-19 23:19:09,630 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_v4l2_close [2022-07-19 23:19:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_reg_req_len [2022-07-19 23:19:09,630 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_reg_req_len [2022-07-19 23:19:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2022-07-19 23:19:09,631 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2022-07-19 23:19:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_reg_bits [2022-07-19 23:19:09,631 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_reg_bits [2022-07-19 23:19:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-19 23:19:09,631 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-19 23:19:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-19 23:19:09,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-19 23:19:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_s_ctrl [2022-07-19 23:19:09,631 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_s_ctrl [2022-07-19 23:19:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-19 23:19:09,632 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-19 23:19:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_frequency [2022-07-19 23:19:09,632 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_frequency [2022-07-19 23:19:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_buffer_prepare [2022-07-19 23:19:09,632 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_buffer_prepare [2022-07-19 23:19:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_release_resources [2022-07-19 23:19:09,632 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_release_resources [2022-07-19 23:19:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-19 23:19:09,632 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-19 23:19:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2022-07-19 23:19:09,633 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2022-07-19 23:19:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_em28xx [2022-07-19 23:19:09,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_em28xx [2022-07-19 23:19:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_regs_req [2022-07-19 23:19:09,633 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_regs_req [2022-07-19 23:19:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 23:19:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-07-19 23:19:09,633 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2022-07-19 23:19:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 23:19:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_chip_info [2022-07-19 23:19:09,634 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_chip_info [2022-07-19 23:19:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_set_video_format [2022-07-19 23:19:09,634 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_set_video_format [2022-07-19 23:19:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-19 23:19:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-19 23:19:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-19 23:19:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-19 23:19:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 23:19:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_set_mode [2022-07-19 23:19:09,634 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_set_mode [2022-07-19 23:19:09,635 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2022-07-19 23:19:09,635 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2022-07-19 23:19:09,635 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-19 23:19:09,635 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-19 23:19:09,635 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-19 23:19:09,635 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-19 23:19:09,635 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_resolution_set [2022-07-19 23:19:09,635 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_resolution_set [2022-07-19 23:19:09,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-19 23:19:09,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-19 23:19:09,636 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_is_ac97_ready [2022-07-19 23:19:09,636 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_is_ac97_ready [2022-07-19 23:19:09,636 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u16~0~X~$Pointer$~X~C_INT~TO~C_INT [2022-07-19 23:19:09,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u16~0~X~$Pointer$~X~C_INT~TO~C_INT [2022-07-19 23:19:09,636 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-19 23:19:09,636 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-19 23:19:09,636 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2022-07-19 23:19:09,636 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2022-07-19 23:19:09,636 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_v4l2_open [2022-07-19 23:19:09,636 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_v4l2_open [2022-07-19 23:19:09,636 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_size [2022-07-19 23:19:09,637 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_size [2022-07-19 23:19:09,637 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-19 23:19:09,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-19 23:19:09,637 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-19 23:19:09,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-19 23:19:09,637 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-19 23:19:09,637 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-19 23:19:09,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-19 23:19:09,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-19 23:19:09,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-19 23:19:09,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-19 23:19:09,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-19 23:19:09,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-19 23:19:09,638 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_uninit_usb_xfer [2022-07-19 23:19:09,638 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_uninit_usb_xfer [2022-07-19 23:19:09,638 INFO L130 BoogieDeclarations]: Found specification of procedure finish_field_prepare_next [2022-07-19 23:19:09,638 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_field_prepare_next [2022-07-19 23:19:09,638 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_ac97 [2022-07-19 23:19:09,638 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_ac97 [2022-07-19 23:19:09,638 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_wake_i2c [2022-07-19 23:19:09,639 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_wake_i2c [2022-07-19 23:19:09,639 INFO L130 BoogieDeclarations]: Found specification of procedure size_to_scale [2022-07-19 23:19:09,639 INFO L138 BoogieDeclarations]: Found implementation of procedure size_to_scale [2022-07-19 23:19:09,639 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2022-07-19 23:19:09,639 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2022-07-19 23:19:09,642 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_register [2022-07-19 23:19:09,642 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_register [2022-07-19 23:19:09,642 INFO L130 BoogieDeclarations]: Found specification of procedure scale_to_size [2022-07-19 23:19:09,642 INFO L138 BoogieDeclarations]: Found implementation of procedure scale_to_size [2022-07-19 23:19:09,642 INFO L130 BoogieDeclarations]: Found specification of procedure print_err_status [2022-07-19 23:19:09,642 INFO L138 BoogieDeclarations]: Found implementation of procedure print_err_status [2022-07-19 23:19:09,642 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxw [2022-07-19 23:19:09,642 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxw [2022-07-19 23:19:09,642 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxh [2022-07-19 23:19:09,643 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxh [2022-07-19 23:19:09,643 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_vaddr [2022-07-19 23:19:09,643 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_vaddr [2022-07-19 23:19:09,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-19 23:19:09,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-19 23:19:09,644 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_capture_start [2022-07-19 23:19:09,644 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_capture_start [2022-07-19 23:19:10,433 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 23:19:10,435 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 23:20:45,913 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 23:20:45,927 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 23:20:45,927 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-19 23:20:45,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:20:45 BoogieIcfgContainer [2022-07-19 23:20:45,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 23:20:45,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 23:20:45,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 23:20:45,935 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 23:20:45,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:19:04" (1/3) ... [2022-07-19 23:20:45,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d1fb3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:20:45, skipping insertion in model container [2022-07-19 23:20:45,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:19:08" (2/3) ... [2022-07-19 23:20:45,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d1fb3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:20:45, skipping insertion in model container [2022-07-19 23:20:45,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:20:45" (3/3) ... [2022-07-19 23:20:45,937 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i [2022-07-19 23:20:45,948 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 23:20:45,948 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 23:20:46,005 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 23:20:46,011 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@24175665, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@95c3d9 [2022-07-19 23:20:46,011 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 23:20:46,021 INFO L276 IsEmpty]: Start isEmpty. Operand has 1894 states, 1389 states have (on average 1.3916486681065514) internal successors, (1933), 1414 states have internal predecessors, (1933), 393 states have call successors, (393), 110 states have call predecessors, (393), 110 states have return successors, (393), 392 states have call predecessors, (393), 393 states have call successors, (393) [2022-07-19 23:20:46,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-19 23:20:46,028 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:20:46,028 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:20:46,028 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:20:46,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:20:46,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1357851347, now seen corresponding path program 1 times [2022-07-19 23:20:46,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:20:46,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [267365839] [2022-07-19 23:20:46,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:20:46,071 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:20:46,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:20:46,073 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 23:20:46,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-19 23:21:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:21:29,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 21167 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:21:29,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:21:29,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:21:29,254 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:21:29,254 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:21:29,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [267365839] [2022-07-19 23:21:29,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [267365839] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:21:29,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:21:29,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:21:29,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742749329] [2022-07-19 23:21:29,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:21:29,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:21:29,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:21:29,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:21:29,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:21:29,313 INFO L87 Difference]: Start difference. First operand has 1894 states, 1389 states have (on average 1.3916486681065514) internal successors, (1933), 1414 states have internal predecessors, (1933), 393 states have call successors, (393), 110 states have call predecessors, (393), 110 states have return successors, (393), 392 states have call predecessors, (393), 393 states have call successors, (393) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 23:21:40,302 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.96s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:21:40,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:21:40,786 INFO L93 Difference]: Finished difference Result 3788 states and 5592 transitions. [2022-07-19 23:21:40,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:21:40,789 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-07-19 23:21:40,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:21:40,814 INFO L225 Difference]: With dead ends: 3788 [2022-07-19 23:21:40,814 INFO L226 Difference]: Without dead ends: 1892 [2022-07-19 23:21:40,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:21:40,832 INFO L413 NwaCegarLoop]: 2703 mSDtfsCounter, 2650 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2650 SdHoareTripleChecker+Valid, 2750 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-07-19 23:21:40,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2650 Valid, 2750 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 11.3s Time] [2022-07-19 23:21:40,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1892 states. [2022-07-19 23:21:40,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1892 to 1890. [2022-07-19 23:21:40,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1890 states, 1388 states have (on average 1.3876080691642652) internal successors, (1926), 1409 states have internal predecessors, (1926), 391 states have call successors, (391), 112 states have call predecessors, (391), 110 states have return successors, (380), 379 states have call predecessors, (380), 380 states have call successors, (380) [2022-07-19 23:21:40,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1890 states to 1890 states and 2697 transitions. [2022-07-19 23:21:40,995 INFO L78 Accepts]: Start accepts. Automaton has 1890 states and 2697 transitions. Word has length 12 [2022-07-19 23:21:40,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:21:40,996 INFO L495 AbstractCegarLoop]: Abstraction has 1890 states and 2697 transitions. [2022-07-19 23:21:40,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 23:21:40,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1890 states and 2697 transitions. [2022-07-19 23:21:40,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-07-19 23:21:40,998 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:21:40,998 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:21:41,211 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forcibly destroying the process [2022-07-19 23:21:41,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 137 [2022-07-19 23:21:41,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:21:41,338 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:21:41,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:21:41,338 INFO L85 PathProgramCache]: Analyzing trace with hash -857980350, now seen corresponding path program 1 times [2022-07-19 23:21:41,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:21:41,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [805645772] [2022-07-19 23:21:41,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:21:41,360 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:21:41,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:21:41,363 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 23:21:41,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-19 23:22:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:22:24,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 21168 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:22:24,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:22:24,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:22:24,621 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:22:24,621 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:22:24,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [805645772] [2022-07-19 23:22:24,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [805645772] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:22:24,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:22:24,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:22:24,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062685134] [2022-07-19 23:22:24,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:22:24,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:22:24,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:22:24,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:22:24,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:22:24,623 INFO L87 Difference]: Start difference. First operand 1890 states and 2697 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 23:22:36,074 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:22:36,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:22:36,439 INFO L93 Difference]: Finished difference Result 1892 states and 2698 transitions. [2022-07-19 23:22:36,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:22:36,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-07-19 23:22:36,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:22:36,449 INFO L225 Difference]: With dead ends: 1892 [2022-07-19 23:22:36,449 INFO L226 Difference]: Without dead ends: 1889 [2022-07-19 23:22:36,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:22:36,452 INFO L413 NwaCegarLoop]: 2686 mSDtfsCounter, 2677 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2677 SdHoareTripleChecker+Valid, 2688 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-07-19 23:22:36,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2677 Valid, 2688 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 11.8s Time] [2022-07-19 23:22:36,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1889 states. [2022-07-19 23:22:36,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1889 to 1889. [2022-07-19 23:22:36,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1889 states, 1388 states have (on average 1.3868876080691643) internal successors, (1925), 1408 states have internal predecessors, (1925), 390 states have call successors, (390), 112 states have call predecessors, (390), 110 states have return successors, (380), 379 states have call predecessors, (380), 380 states have call successors, (380) [2022-07-19 23:22:36,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1889 states to 1889 states and 2695 transitions. [2022-07-19 23:22:36,512 INFO L78 Accepts]: Start accepts. Automaton has 1889 states and 2695 transitions. Word has length 13 [2022-07-19 23:22:36,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:22:36,513 INFO L495 AbstractCegarLoop]: Abstraction has 1889 states and 2695 transitions. [2022-07-19 23:22:36,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 23:22:36,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 2695 transitions. [2022-07-19 23:22:36,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-07-19 23:22:36,514 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:22:36,514 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:22:36,727 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forcibly destroying the process [2022-07-19 23:22:36,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 137 [2022-07-19 23:22:36,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:22:36,838 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:22:36,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:22:36,838 INFO L85 PathProgramCache]: Analyzing trace with hash -829281354, now seen corresponding path program 1 times [2022-07-19 23:22:36,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:22:36,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1367097767] [2022-07-19 23:22:36,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:22:36,868 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:22:36,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:22:36,884 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 23:22:36,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-19 23:23:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:23:20,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 21169 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:23:20,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:23:20,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:23:20,501 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:23:20,501 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:23:20,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1367097767] [2022-07-19 23:23:20,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1367097767] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:23:20,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:23:20,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:23:20,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329055648] [2022-07-19 23:23:20,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:23:20,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:23:20,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:23:20,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:23:20,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:23:20,503 INFO L87 Difference]: Start difference. First operand 1889 states and 2695 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)