./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 791161d1 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-?-791161d [2022-07-22 23:33:09,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 23:33:09,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 23:33:09,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 23:33:09,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 23:33:09,684 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 23:33:09,685 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 23:33:09,687 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 23:33:09,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 23:33:09,690 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 23:33:09,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 23:33:09,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 23:33:09,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 23:33:09,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 23:33:09,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 23:33:09,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 23:33:09,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 23:33:09,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 23:33:09,698 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 23:33:09,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 23:33:09,701 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 23:33:09,704 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 23:33:09,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 23:33:09,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 23:33:09,707 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 23:33:09,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 23:33:09,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 23:33:09,713 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 23:33:09,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 23:33:09,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 23:33:09,718 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 23:33:09,719 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 23:33:09,720 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 23:33:09,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 23:33:09,722 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 23:33:09,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 23:33:09,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 23:33:09,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 23:33:09,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 23:33:09,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 23:33:09,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 23:33:09,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 23:33:09,734 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-22 23:33:09,771 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 23:33:09,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 23:33:09,774 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 23:33:09,774 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 23:33:09,775 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 23:33:09,775 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 23:33:09,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 23:33:09,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 23:33:09,776 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 23:33:09,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 23:33:09,778 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 23:33:09,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 23:33:09,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 23:33:09,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 23:33:09,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 23:33:09,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 23:33:09,779 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 23:33:09,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 23:33:09,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 23:33:09,779 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 23:33:09,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 23:33:09,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:33:09,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 23:33:09,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 23:33:09,781 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 23:33:09,781 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 23:33:09,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 23:33:09,781 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 23:33:09,781 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 23:33:09,782 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 23:33:09,782 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 213c19133f8e1eb8e04c1430c89bd3923e29e833639b74dc68815899bbf3f9fa [2022-07-22 23:33:10,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 23:33:10,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 23:33:10,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 23:33:10,038 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 23:33:10,038 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 23:33:10,040 INFO L432 ainManager$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 [2022-07-22 23:33:10,103 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a59c2c1a4/6a1e0138870d422280af9b78b36423bc/FLAG126e5178f [2022-07-22 23:33:11,047 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 23:33:11,047 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 [2022-07-22 23:33:11,119 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a59c2c1a4/6a1e0138870d422280af9b78b36423bc/FLAG126e5178f [2022-07-22 23:33:11,427 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a59c2c1a4/6a1e0138870d422280af9b78b36423bc [2022-07-22 23:33:11,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 23:33:11,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 23:33:11,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 23:33:11,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 23:33:11,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 23:33:11,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:33:11" (1/1) ... [2022-07-22 23:33:11,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14bab50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:33:11, skipping insertion in model container [2022-07-22 23:33:11,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:33:11" (1/1) ... [2022-07-22 23:33:11,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 23:33:11,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:33:15,767 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] [2022-07-22 23:33:16,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:33:16,226 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 23:33:17,043 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) [2022-07-22 23:33:17,048 INFO L158 Benchmark]: Toolchain (without parser) took 5617.49ms. Allocated memory was 113.2MB in the beginning and 264.2MB in the end (delta: 151.0MB). Free memory was 73.6MB in the beginning and 135.1MB in the end (delta: -61.4MB). Peak memory consumption was 133.6MB. Max. memory is 16.1GB. [2022-07-22 23:33:17,049 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 90.2MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 23:33:17,050 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5615.47ms. Allocated memory was 113.2MB in the beginning and 264.2MB in the end (delta: 151.0MB). Free memory was 73.6MB in the beginning and 135.1MB in the end (delta: -61.4MB). Peak memory consumption was 133.6MB. Max. memory is 16.1GB. [2022-07-22 23:33:17,055 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 90.2MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5615.47ms. Allocated memory was 113.2MB in the beginning and 264.2MB in the end (delta: 151.0MB). Free memory was 73.6MB in the beginning and 135.1MB in the end (delta: -61.4MB). Peak memory consumption was 133.6MB. 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-?-791161d [2022-07-22 23:33:19,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 23:33:19,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 23:33:19,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 23:33:19,103 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 23:33:19,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 23:33:19,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 23:33:19,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 23:33:19,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 23:33:19,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 23:33:19,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 23:33:19,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 23:33:19,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 23:33:19,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 23:33:19,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 23:33:19,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 23:33:19,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 23:33:19,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 23:33:19,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 23:33:19,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 23:33:19,144 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 23:33:19,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 23:33:19,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 23:33:19,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 23:33:19,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 23:33:19,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 23:33:19,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 23:33:19,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 23:33:19,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 23:33:19,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 23:33:19,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 23:33:19,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 23:33:19,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 23:33:19,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 23:33:19,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 23:33:19,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 23:33:19,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 23:33:19,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 23:33:19,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 23:33:19,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 23:33:19,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 23:33:19,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 23:33:19,173 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-22 23:33:19,213 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 23:33:19,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 23:33:19,214 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 23:33:19,214 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 23:33:19,215 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 23:33:19,216 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 23:33:19,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 23:33:19,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 23:33:19,217 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 23:33:19,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 23:33:19,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 23:33:19,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 23:33:19,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 23:33:19,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 23:33:19,219 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-22 23:33:19,219 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-22 23:33:19,219 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-22 23:33:19,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 23:33:19,220 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 23:33:19,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 23:33:19,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 23:33:19,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 23:33:19,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 23:33:19,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:33:19,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 23:33:19,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 23:33:19,221 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 23:33:19,221 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-22 23:33:19,221 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-22 23:33:19,222 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 23:33:19,222 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 23:33:19,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 23:33:19,222 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-22 23:33:19,223 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 213c19133f8e1eb8e04c1430c89bd3923e29e833639b74dc68815899bbf3f9fa [2022-07-22 23:33:19,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 23:33:19,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 23:33:19,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 23:33:19,574 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 23:33:19,574 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 23:33:19,576 INFO L432 ainManager$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 [2022-07-22 23:33:19,639 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f22f10a67/6f344c2a6dfa4e1f917385e99abd2f76/FLAG2b6c8bb75 [2022-07-22 23:33:20,660 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 23:33:20,660 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 [2022-07-22 23:33:20,735 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f22f10a67/6f344c2a6dfa4e1f917385e99abd2f76/FLAG2b6c8bb75 [2022-07-22 23:33:21,023 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f22f10a67/6f344c2a6dfa4e1f917385e99abd2f76 [2022-07-22 23:33:21,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 23:33:21,027 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 23:33:21,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 23:33:21,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 23:33:21,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 23:33:21,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:33:21" (1/1) ... [2022-07-22 23:33:21,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c491908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:33:21, skipping insertion in model container [2022-07-22 23:33:21,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:33:21" (1/1) ... [2022-07-22 23:33:21,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 23:33:21,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:33:25,255 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] [2022-07-22 23:33:25,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:33:25,678 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-22 23:33:25,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:33:26,277 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] [2022-07-22 23:33:26,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:33:26,398 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 23:33:27,232 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] [2022-07-22 23:33:27,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:33:27,528 INFO L208 MainTranslator]: Completed translation [2022-07-22 23:33:27,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:33:27 WrapperNode [2022-07-22 23:33:27,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 23:33:27,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 23:33:27,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 23:33:27,530 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 23:33:27,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:33:27" (1/1) ... [2022-07-22 23:33:27,799 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:33:27" (1/1) ... [2022-07-22 23:33:28,206 INFO L137 Inliner]: procedures = 472, calls = 15316, calls flagged for inlining = 155, calls inlined = 77, statements flattened = 12736 [2022-07-22 23:33:28,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 23:33:28,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 23:33:28,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 23:33:28,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 23:33:28,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:33:27" (1/1) ... [2022-07-22 23:33:28,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:33:27" (1/1) ... [2022-07-22 23:33:28,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:33:27" (1/1) ... [2022-07-22 23:33:28,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:33:27" (1/1) ... [2022-07-22 23:33:28,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:33:27" (1/1) ... [2022-07-22 23:33:28,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:33:27" (1/1) ... [2022-07-22 23:33:28,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:33:27" (1/1) ... [2022-07-22 23:33:28,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 23:33:28,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 23:33:28,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 23:33:28,877 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 23:33:28,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:33:27" (1/1) ... [2022-07-22 23:33:28,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:33:28,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 23:33:28,913 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) [2022-07-22 23:33:28,936 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 [2022-07-22 23:33:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-22 23:33:28,951 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-22 23:33:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_regs [2022-07-22 23:33:28,951 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_regs [2022-07-22 23:33:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_capture_area_set [2022-07-22 23:33:28,951 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_capture_area_set [2022-07-22 23:33:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_alloc_urbs [2022-07-22 23:33:28,952 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_alloc_urbs [2022-07-22 23:33:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-07-22 23:33:28,952 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-07-22 23:33:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_fop_mmap [2022-07-22 23:33:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-22 23:33:28,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-22 23:33:28,953 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_stop_streaming [2022-07-22 23:33:28,953 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_stop_streaming [2022-07-22 23:33:28,953 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~C_INT [2022-07-22 23:33:28,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~C_INT [2022-07-22 23:33:28,953 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2022-07-22 23:33:28,953 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2022-07-22 23:33:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-07-22 23:33:28,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-07-22 23:33:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-22 23:33:28,954 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-22 23:33:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure res_free [2022-07-22 23:33:28,954 INFO L138 BoogieDeclarations]: Found implementation of procedure res_free [2022-07-22 23:33:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-22 23:33:28,955 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-22 23:33:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_ac97 [2022-07-22 23:33:28,955 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_ac97 [2022-07-22 23:33:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_em28xx [2022-07-22 23:33:28,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_em28xx [2022-07-22 23:33:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2022-07-22 23:33:28,956 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2022-07-22 23:33:28,956 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-22 23:33:28,956 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-22 23:33:28,956 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-22 23:33:28,957 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-22 23:33:28,957 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_frequency [2022-07-22 23:33:28,957 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_frequency [2022-07-22 23:33:28,957 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-22 23:33:28,957 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-22 23:33:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_register [2022-07-22 23:33:28,958 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_register [2022-07-22 23:33:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-07-22 23:33:28,958 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-07-22 23:33:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 23:33:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_vbi_supported [2022-07-22 23:33:28,959 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_vbi_supported [2022-07-22 23:33:28,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-22 23:33:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-22 23:33:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-22 23:33:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-22 23:33:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-22 23:33:28,961 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-22 23:33:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-22 23:33:28,961 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-22 23:33:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_copy_video [2022-07-22 23:33:28,961 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_copy_video [2022-07-22 23:33:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_gpio_set [2022-07-22 23:33:28,962 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_gpio_set [2022-07-22 23:33:28,962 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_chip_ident [2022-07-22 23:33:28,962 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_chip_ident [2022-07-22 23:33:28,962 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-22 23:33:28,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-22 23:33:28,963 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2022-07-22 23:33:28,963 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2022-07-22 23:33:28,963 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_reg_req [2022-07-22 23:33:28,963 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_reg_req [2022-07-22 23:33:28,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ctrl_urb_lock_of_em28xx [2022-07-22 23:33:28,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ctrl_urb_lock_of_em28xx [2022-07-22 23:33:28,964 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-22 23:33:28,964 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-22 23:33:28,964 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_buffer_done [2022-07-22 23:33:28,965 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_buffer_done [2022-07-22 23:33:28,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ctrl_urb_lock_of_em28xx [2022-07-22 23:33:28,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ctrl_urb_lock_of_em28xx [2022-07-22 23:33:28,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-07-22 23:33:28,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-07-22 23:33:28,965 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_i2c_unregister [2022-07-22 23:33:28,965 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_i2c_unregister [2022-07-22 23:33:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-22 23:33:28,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-22 23:33:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-22 23:33:28,967 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-22 23:33:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_reg [2022-07-22 23:33:28,967 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_reg [2022-07-22 23:33:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-22 23:33:28,967 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-22 23:33:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~C_INT [2022-07-22 23:33:28,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~C_INT [2022-07-22 23:33:28,968 INFO L130 BoogieDeclarations]: Found specification of procedure video_is_registered [2022-07-22 23:33:28,968 INFO L138 BoogieDeclarations]: Found implementation of procedure video_is_registered [2022-07-22 23:33:28,969 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2022-07-22 23:33:28,969 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-22 23:33:28,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-22 23:33:28,970 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2022-07-22 23:33:28,970 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2022-07-22 23:33:28,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 23:33:28,970 INFO L130 BoogieDeclarations]: Found specification of procedure video_mux [2022-07-22 23:33:28,970 INFO L138 BoogieDeclarations]: Found implementation of procedure video_mux [2022-07-22 23:33:28,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 23:33:28,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 23:33:28,971 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-22 23:33:28,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-22 23:33:28,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-22 23:33:28,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-22 23:33:28,971 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_audio_analog_set [2022-07-22 23:33:28,971 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_audio_analog_set [2022-07-22 23:33:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-22 23:33:28,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-22 23:33:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_prepare [2022-07-22 23:33:28,973 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_prepare [2022-07-22 23:33:28,975 INFO L130 BoogieDeclarations]: Found specification of procedure format_by_fourcc [2022-07-22 23:33:28,975 INFO L138 BoogieDeclarations]: Found implementation of procedure format_by_fourcc [2022-07-22 23:33:28,975 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_reg [2022-07-22 23:33:28,975 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_reg [2022-07-22 23:33:28,976 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_reg_len [2022-07-22 23:33:28,977 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_reg_len [2022-07-22 23:33:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-22 23:33:28,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-22 23:33:28,978 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2022-07-22 23:33:28,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-22 23:33:28,983 INFO L130 BoogieDeclarations]: Found specification of procedure get_ressource [2022-07-22 23:33:28,983 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ressource [2022-07-22 23:33:28,983 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~v4l2_std_id~0~TO~C_INT [2022-07-22 23:33:28,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~v4l2_std_id~0~TO~C_INT [2022-07-22 23:33:28,983 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-22 23:33:28,983 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-22 23:33:28,984 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_set_outfmt [2022-07-22 23:33:28,984 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_set_outfmt [2022-07-22 23:33:28,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 23:33:28,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 23:33:28,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-22 23:33:28,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-22 23:33:28,984 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-22 23:33:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-22 23:33:28,985 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-22 23:33:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_set_plane_payload [2022-07-22 23:33:28,985 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_set_plane_payload [2022-07-22 23:33:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-22 23:33:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-22 23:33:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2022-07-22 23:33:28,986 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2022-07-22 23:33:28,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-22 23:33:28,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-22 23:33:28,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-22 23:33:28,986 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-22 23:33:28,986 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-22 23:33:28,986 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_v4l2_close [2022-07-22 23:33:28,987 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_v4l2_close [2022-07-22 23:33:28,987 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_reg_req_len [2022-07-22 23:33:28,987 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_reg_req_len [2022-07-22 23:33:28,987 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2022-07-22 23:33:28,987 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2022-07-22 23:33:28,987 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_reg_bits [2022-07-22 23:33:28,988 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_reg_bits [2022-07-22 23:33:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-22 23:33:28,988 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-22 23:33:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-22 23:33:28,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-22 23:33:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_s_ctrl [2022-07-22 23:33:28,988 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_s_ctrl [2022-07-22 23:33:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-22 23:33:28,989 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-22 23:33:28,989 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_frequency [2022-07-22 23:33:28,989 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_frequency [2022-07-22 23:33:28,989 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_buffer_prepare [2022-07-22 23:33:28,989 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_buffer_prepare [2022-07-22 23:33:28,989 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_release_resources [2022-07-22 23:33:28,989 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_release_resources [2022-07-22 23:33:28,990 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-22 23:33:28,990 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-22 23:33:28,990 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2022-07-22 23:33:28,990 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2022-07-22 23:33:28,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_em28xx [2022-07-22 23:33:28,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_em28xx [2022-07-22 23:33:28,990 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_regs_req [2022-07-22 23:33:28,991 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_regs_req [2022-07-22 23:33:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 23:33:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-07-22 23:33:28,991 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2022-07-22 23:33:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 23:33:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_chip_info [2022-07-22 23:33:28,991 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_chip_info [2022-07-22 23:33:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_set_video_format [2022-07-22 23:33:28,992 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_set_video_format [2022-07-22 23:33:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-22 23:33:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-22 23:33:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-22 23:33:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-22 23:33:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 23:33:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_set_mode [2022-07-22 23:33:28,993 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_set_mode [2022-07-22 23:33:28,993 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2022-07-22 23:33:28,993 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2022-07-22 23:33:28,993 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-22 23:33:28,993 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-22 23:33:28,993 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-22 23:33:28,993 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-22 23:33:28,993 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_resolution_set [2022-07-22 23:33:28,994 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_resolution_set [2022-07-22 23:33:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-22 23:33:28,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-22 23:33:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_is_ac97_ready [2022-07-22 23:33:28,994 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_is_ac97_ready [2022-07-22 23:33:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u16~0~X~$Pointer$~X~C_INT~TO~C_INT [2022-07-22 23:33:28,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u16~0~X~$Pointer$~X~C_INT~TO~C_INT [2022-07-22 23:33:28,995 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-22 23:33:28,995 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-22 23:33:28,995 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2022-07-22 23:33:28,995 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2022-07-22 23:33:28,995 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_v4l2_open [2022-07-22 23:33:28,995 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_v4l2_open [2022-07-22 23:33:28,995 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_size [2022-07-22 23:33:28,995 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_size [2022-07-22 23:33:28,996 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-22 23:33:28,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-22 23:33:28,996 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-22 23:33:28,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-22 23:33:28,996 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-22 23:33:28,996 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-22 23:33:28,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-22 23:33:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-22 23:33:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-22 23:33:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-22 23:33:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-22 23:33:28,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-22 23:33:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_uninit_usb_xfer [2022-07-22 23:33:28,997 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_uninit_usb_xfer [2022-07-22 23:33:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure finish_field_prepare_next [2022-07-22 23:33:28,998 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_field_prepare_next [2022-07-22 23:33:28,998 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_ac97 [2022-07-22 23:33:28,998 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_ac97 [2022-07-22 23:33:28,998 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_wake_i2c [2022-07-22 23:33:28,998 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_wake_i2c [2022-07-22 23:33:28,998 INFO L130 BoogieDeclarations]: Found specification of procedure size_to_scale [2022-07-22 23:33:28,998 INFO L138 BoogieDeclarations]: Found implementation of procedure size_to_scale [2022-07-22 23:33:28,999 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2022-07-22 23:33:29,000 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2022-07-22 23:33:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_register [2022-07-22 23:33:29,003 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_register [2022-07-22 23:33:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure scale_to_size [2022-07-22 23:33:29,003 INFO L138 BoogieDeclarations]: Found implementation of procedure scale_to_size [2022-07-22 23:33:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure print_err_status [2022-07-22 23:33:29,003 INFO L138 BoogieDeclarations]: Found implementation of procedure print_err_status [2022-07-22 23:33:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxw [2022-07-22 23:33:29,003 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxw [2022-07-22 23:33:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxh [2022-07-22 23:33:29,005 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxh [2022-07-22 23:33:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_vaddr [2022-07-22 23:33:29,005 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_vaddr [2022-07-22 23:33:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-22 23:33:29,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-22 23:33:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_capture_start [2022-07-22 23:33:29,006 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_capture_start [2022-07-22 23:33:29,949 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 23:33:29,952 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 23:35:00,869 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 23:35:00,896 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 23:35:00,896 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-22 23:35:00,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:35:00 BoogieIcfgContainer [2022-07-22 23:35:00,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 23:35:00,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 23:35:00,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 23:35:00,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 23:35:00,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 11:33:21" (1/3) ... [2022-07-22 23:35:00,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a51c38b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:35:00, skipping insertion in model container [2022-07-22 23:35:00,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:33:27" (2/3) ... [2022-07-22 23:35:00,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a51c38b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:35:00, skipping insertion in model container [2022-07-22 23:35:00,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:35:00" (3/3) ... [2022-07-22 23:35:00,910 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i [2022-07-22 23:35:00,925 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 23:35:00,925 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 23:35:01,020 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 23:35:01,030 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@49e0e569, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2dc7393a [2022-07-22 23:35:01,030 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 23:35:01,042 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) [2022-07-22 23:35:01,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-22 23:35:01,049 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:35:01,050 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:35:01,050 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:35:01,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:35:01,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1357851347, now seen corresponding path program 1 times [2022-07-22 23:35:01,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:35:01,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [621381268] [2022-07-22 23:35:01,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:35:01,106 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:35:01,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:35:01,113 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) [2022-07-22 23:35:01,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-22 23:35:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:35:43,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 21167 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:35:43,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:35:43,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:35:43,302 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:35:43,302 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:35:43,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [621381268] [2022-07-22 23:35:43,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [621381268] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:35:43,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:35:43,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:35:43,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216366601] [2022-07-22 23:35:43,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:35:43,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:35:43,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:35:43,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:35:43,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:35:43,347 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) [2022-07-22 23:35:54,744 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:35:55,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:35:55,279 INFO L93 Difference]: Finished difference Result 3788 states and 5592 transitions. [2022-07-22 23:35:55,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:35:55,282 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 [2022-07-22 23:35:55,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:35:55,319 INFO L225 Difference]: With dead ends: 3788 [2022-07-22 23:35:55,320 INFO L226 Difference]: Without dead ends: 1892 [2022-07-22 23:35:55,339 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 [2022-07-22 23:35:55,345 INFO L413 NwaCegarLoop]: 2703 mSDtfsCounter, 2650 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s 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, 11.7s IncrementalHoareTripleChecker+Time [2022-07-22 23:35:55,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2650 Valid, 2750 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 11.7s Time] [2022-07-22 23:35:55,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1892 states. [2022-07-22 23:35:55,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1892 to 1890. [2022-07-22 23:35:55,530 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) [2022-07-22 23:35:55,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1890 states to 1890 states and 2697 transitions. [2022-07-22 23:35:55,548 INFO L78 Accepts]: Start accepts. Automaton has 1890 states and 2697 transitions. Word has length 12 [2022-07-22 23:35:55,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:35:55,549 INFO L495 AbstractCegarLoop]: Abstraction has 1890 states and 2697 transitions. [2022-07-22 23:35:55,549 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) [2022-07-22 23:35:55,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1890 states and 2697 transitions. [2022-07-22 23:35:55,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-07-22 23:35:55,550 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:35:55,551 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:35:55,767 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forcibly destroying the process [2022-07-22 23:35:55,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 137 [2022-07-22 23:35:55,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:35:55,876 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:35:55,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:35:55,877 INFO L85 PathProgramCache]: Analyzing trace with hash -857980350, now seen corresponding path program 1 times [2022-07-22 23:35:55,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:35:55,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1122860951] [2022-07-22 23:35:55,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:35:55,912 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:35:55,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:35:55,914 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) [2022-07-22 23:35:55,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-22 23:36:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:36:37,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 21168 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:36:37,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:36:38,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:36:38,106 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:36:38,106 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:36:38,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1122860951] [2022-07-22 23:36:38,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1122860951] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:36:38,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:36:38,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:36:38,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428907741] [2022-07-22 23:36:38,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:36:38,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:36:38,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:36:38,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:36:38,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:36:38,109 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) [2022-07-22 23:36:49,958 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.83s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:36:50,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:36:50,299 INFO L93 Difference]: Finished difference Result 1892 states and 2698 transitions. [2022-07-22 23:36:50,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:36:50,300 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 [2022-07-22 23:36:50,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:36:50,312 INFO L225 Difference]: With dead ends: 1892 [2022-07-22 23:36:50,312 INFO L226 Difference]: Without dead ends: 1889 [2022-07-22 23:36:50,313 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 [2022-07-22 23:36:50,315 INFO L413 NwaCegarLoop]: 2686 mSDtfsCounter, 2677 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s 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, 12.1s IncrementalHoareTripleChecker+Time [2022-07-22 23:36:50,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2677 Valid, 2688 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 12.1s Time] [2022-07-22 23:36:50,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1889 states. [2022-07-22 23:36:50,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1889 to 1889. [2022-07-22 23:36:50,376 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) [2022-07-22 23:36:50,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1889 states to 1889 states and 2695 transitions. [2022-07-22 23:36:50,388 INFO L78 Accepts]: Start accepts. Automaton has 1889 states and 2695 transitions. Word has length 13 [2022-07-22 23:36:50,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:36:50,388 INFO L495 AbstractCegarLoop]: Abstraction has 1889 states and 2695 transitions. [2022-07-22 23:36:50,391 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) [2022-07-22 23:36:50,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 2695 transitions. [2022-07-22 23:36:50,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-07-22 23:36:50,393 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:36:50,393 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:36:50,619 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forcibly destroying the process [2022-07-22 23:36:50,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 137 [2022-07-22 23:36:50,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:36:50,736 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:36:50,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:36:50,736 INFO L85 PathProgramCache]: Analyzing trace with hash -829281354, now seen corresponding path program 1 times [2022-07-22 23:36:50,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:36:50,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [899207200] [2022-07-22 23:36:50,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:36:50,758 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:36:50,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:36:50,760 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) [2022-07-22 23:36:50,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process