./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 6c24879c 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-?-6c24879 [2022-07-12 12:16:33,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 12:16:33,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 12:16:33,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 12:16:33,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 12:16:33,213 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 12:16:33,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 12:16:33,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 12:16:33,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 12:16:33,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 12:16:33,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 12:16:33,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 12:16:33,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 12:16:33,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 12:16:33,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 12:16:33,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 12:16:33,240 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 12:16:33,241 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 12:16:33,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 12:16:33,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 12:16:33,248 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 12:16:33,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 12:16:33,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 12:16:33,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 12:16:33,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 12:16:33,256 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 12:16:33,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 12:16:33,257 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 12:16:33,258 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 12:16:33,258 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 12:16:33,259 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 12:16:33,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 12:16:33,261 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 12:16:33,261 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 12:16:33,262 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 12:16:33,262 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 12:16:33,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 12:16:33,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 12:16:33,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 12:16:33,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 12:16:33,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 12:16:33,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 12:16:33,267 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 12:16:33,301 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 12:16:33,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 12:16:33,308 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 12:16:33,308 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 12:16:33,308 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 12:16:33,309 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 12:16:33,309 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 12:16:33,309 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 12:16:33,309 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 12:16:33,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 12:16:33,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 12:16:33,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 12:16:33,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 12:16:33,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 12:16:33,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 12:16:33,310 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 12:16:33,310 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 12:16:33,310 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 12:16:33,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 12:16:33,311 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 12:16:33,311 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 12:16:33,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:16:33,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 12:16:33,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 12:16:33,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 12:16:33,324 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 12:16:33,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 12:16:33,324 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 12:16:33,324 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 12:16:33,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 12:16:33,324 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 213c19133f8e1eb8e04c1430c89bd3923e29e833639b74dc68815899bbf3f9fa [2022-07-12 12:16:33,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 12:16:33,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 12:16:33,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 12:16:33,689 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 12:16:33,690 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 12:16:33,691 INFO L432 ainManager$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 [2022-07-12 12:16:33,790 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b15164906/7df0c62df5584ceaaa46fb207f72bd8b/FLAG9de8e3e4b [2022-07-12 12:16:34,698 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 12:16:34,699 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 [2022-07-12 12:16:34,770 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b15164906/7df0c62df5584ceaaa46fb207f72bd8b/FLAG9de8e3e4b [2022-07-12 12:16:35,291 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b15164906/7df0c62df5584ceaaa46fb207f72bd8b [2022-07-12 12:16:35,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 12:16:35,295 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 12:16:35,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 12:16:35,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 12:16:35,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 12:16:35,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:16:35" (1/1) ... [2022-07-12 12:16:35,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@455ee06c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:16:35, skipping insertion in model container [2022-07-12 12:16:35,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:16:35" (1/1) ... [2022-07-12 12:16:35,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 12:16:35,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:16:39,688 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] [2022-07-12 12:16:39,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:16:40,164 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 12:16:40,804 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) [2022-07-12 12:16:40,809 INFO L158 Benchmark]: Toolchain (without parser) took 5512.68ms. Allocated memory was 86.0MB in the beginning and 276.8MB in the end (delta: 190.8MB). Free memory was 37.5MB in the beginning and 143.4MB in the end (delta: -105.9MB). Peak memory consumption was 121.1MB. Max. memory is 16.1GB. [2022-07-12 12:16:40,810 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 86.0MB. Free memory was 59.8MB in the beginning and 59.8MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 12:16:40,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5502.81ms. Allocated memory was 86.0MB in the beginning and 276.8MB in the end (delta: 190.8MB). Free memory was 37.3MB in the beginning and 143.4MB in the end (delta: -106.0MB). Peak memory consumption was 121.1MB. Max. memory is 16.1GB. [2022-07-12 12:16:40,814 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 86.0MB. Free memory was 59.8MB in the beginning and 59.8MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5502.81ms. Allocated memory was 86.0MB in the beginning and 276.8MB in the end (delta: 190.8MB). Free memory was 37.3MB in the beginning and 143.4MB in the end (delta: -106.0MB). Peak memory consumption was 121.1MB. 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-?-6c24879 [2022-07-12 12:16:42,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 12:16:42,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 12:16:42,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 12:16:42,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 12:16:42,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 12:16:42,399 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 12:16:42,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 12:16:42,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 12:16:42,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 12:16:42,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 12:16:42,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 12:16:42,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 12:16:42,433 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 12:16:42,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 12:16:42,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 12:16:42,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 12:16:42,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 12:16:42,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 12:16:42,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 12:16:42,442 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 12:16:42,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 12:16:42,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 12:16:42,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 12:16:42,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 12:16:42,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 12:16:42,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 12:16:42,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 12:16:42,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 12:16:42,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 12:16:42,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 12:16:42,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 12:16:42,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 12:16:42,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 12:16:42,460 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 12:16:42,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 12:16:42,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 12:16:42,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 12:16:42,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 12:16:42,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 12:16:42,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 12:16:42,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 12:16:42,466 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 12:16:42,490 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 12:16:42,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 12:16:42,492 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 12:16:42,493 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 12:16:42,493 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 12:16:42,494 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 12:16:42,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 12:16:42,494 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 12:16:42,494 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 12:16:42,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 12:16:42,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 12:16:42,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 12:16:42,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 12:16:42,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 12:16:42,496 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 12:16:42,496 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 12:16:42,496 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 12:16:42,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 12:16:42,497 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 12:16:42,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 12:16:42,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 12:16:42,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 12:16:42,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 12:16:42,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:16:42,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 12:16:42,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 12:16:42,498 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 12:16:42,498 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 12:16:42,498 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 12:16:42,498 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 12:16:42,499 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 12:16:42,499 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 12:16:42,499 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 12:16:42,499 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 213c19133f8e1eb8e04c1430c89bd3923e29e833639b74dc68815899bbf3f9fa [2022-07-12 12:16:42,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 12:16:42,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 12:16:42,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 12:16:42,801 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 12:16:42,801 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 12:16:42,802 INFO L432 ainManager$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 [2022-07-12 12:16:42,857 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35724100b/1c57f729e0c14a6a87083b147bcdc24a/FLAG4fcf5f8c3 [2022-07-12 12:16:43,672 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 12:16:43,673 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 [2022-07-12 12:16:43,732 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35724100b/1c57f729e0c14a6a87083b147bcdc24a/FLAG4fcf5f8c3 [2022-07-12 12:16:44,150 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35724100b/1c57f729e0c14a6a87083b147bcdc24a [2022-07-12 12:16:44,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 12:16:44,154 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 12:16:44,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 12:16:44,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 12:16:44,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 12:16:44,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:16:44" (1/1) ... [2022-07-12 12:16:44,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d90b430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:16:44, skipping insertion in model container [2022-07-12 12:16:44,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:16:44" (1/1) ... [2022-07-12 12:16:44,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 12:16:44,324 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:16:47,764 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] [2022-07-12 12:16:48,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:16:48,128 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 12:16:48,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:16:48,636 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] [2022-07-12 12:16:48,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:16:48,713 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 12:16:49,308 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] [2022-07-12 12:16:49,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:16:49,537 INFO L208 MainTranslator]: Completed translation [2022-07-12 12:16:49,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:16:49 WrapperNode [2022-07-12 12:16:49,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 12:16:49,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 12:16:49,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 12:16:49,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 12:16:49,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:16:49" (1/1) ... [2022-07-12 12:16:49,760 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:16:49" (1/1) ... [2022-07-12 12:16:50,050 INFO L137 Inliner]: procedures = 472, calls = 15316, calls flagged for inlining = 155, calls inlined = 77, statements flattened = 12736 [2022-07-12 12:16:50,051 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 12:16:50,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 12:16:50,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 12:16:50,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 12:16:50,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:16:49" (1/1) ... [2022-07-12 12:16:50,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:16:49" (1/1) ... [2022-07-12 12:16:50,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:16:49" (1/1) ... [2022-07-12 12:16:50,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:16:49" (1/1) ... [2022-07-12 12:16:50,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:16:49" (1/1) ... [2022-07-12 12:16:50,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:16:49" (1/1) ... [2022-07-12 12:16:50,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:16:49" (1/1) ... [2022-07-12 12:16:50,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 12:16:50,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 12:16:50,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 12:16:50,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 12:16:50,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:16:49" (1/1) ... [2022-07-12 12:16:50,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:16:50,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:16:50,678 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) [2022-07-12 12:16:50,684 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 [2022-07-12 12:16:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-12 12:16:50,713 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-12 12:16:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_regs [2022-07-12 12:16:50,714 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_regs [2022-07-12 12:16:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_capture_area_set [2022-07-12 12:16:50,714 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_capture_area_set [2022-07-12 12:16:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_alloc_urbs [2022-07-12 12:16:50,714 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_alloc_urbs [2022-07-12 12:16:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-07-12 12:16:50,714 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-07-12 12:16:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_fop_mmap [2022-07-12 12:16:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 12:16:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 12:16:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_stop_streaming [2022-07-12 12:16:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_stop_streaming [2022-07-12 12:16:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~C_INT [2022-07-12 12:16:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~C_INT [2022-07-12 12:16:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2022-07-12 12:16:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2022-07-12 12:16:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-07-12 12:16:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-07-12 12:16:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 12:16:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 12:16:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure res_free [2022-07-12 12:16:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure res_free [2022-07-12 12:16:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 12:16:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 12:16:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_ac97 [2022-07-12 12:16:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_ac97 [2022-07-12 12:16:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_em28xx [2022-07-12 12:16:50,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_em28xx [2022-07-12 12:16:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2022-07-12 12:16:50,717 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2022-07-12 12:16:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 12:16:50,718 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 12:16:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-12 12:16:50,718 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-12 12:16:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_frequency [2022-07-12 12:16:50,718 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_frequency [2022-07-12 12:16:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 12:16:50,719 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 12:16:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_register [2022-07-12 12:16:50,719 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_register [2022-07-12 12:16:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-07-12 12:16:50,719 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-07-12 12:16:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 12:16:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_vbi_supported [2022-07-12 12:16:50,720 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_vbi_supported [2022-07-12 12:16:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 12:16:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 12:16:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 12:16:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 12:16:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-12 12:16:50,721 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-12 12:16:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 12:16:50,722 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 12:16:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_copy_video [2022-07-12 12:16:50,722 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_copy_video [2022-07-12 12:16:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_gpio_set [2022-07-12 12:16:50,722 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_gpio_set [2022-07-12 12:16:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_chip_ident [2022-07-12 12:16:50,723 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_chip_ident [2022-07-12 12:16:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-12 12:16:50,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-12 12:16:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2022-07-12 12:16:50,723 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2022-07-12 12:16:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_reg_req [2022-07-12 12:16:50,724 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_reg_req [2022-07-12 12:16:50,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ctrl_urb_lock_of_em28xx [2022-07-12 12:16:50,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ctrl_urb_lock_of_em28xx [2022-07-12 12:16:50,724 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-12 12:16:50,724 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-12 12:16:50,724 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_buffer_done [2022-07-12 12:16:50,724 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_buffer_done [2022-07-12 12:16:50,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ctrl_urb_lock_of_em28xx [2022-07-12 12:16:50,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ctrl_urb_lock_of_em28xx [2022-07-12 12:16:50,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-07-12 12:16:50,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-07-12 12:16:50,725 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_i2c_unregister [2022-07-12 12:16:50,725 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_i2c_unregister [2022-07-12 12:16:50,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 12:16:50,726 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 12:16:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-12 12:16:50,726 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-12 12:16:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_reg [2022-07-12 12:16:50,726 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_reg [2022-07-12 12:16:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-12 12:16:50,727 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-12 12:16:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~C_INT [2022-07-12 12:16:50,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~C_INT [2022-07-12 12:16:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure video_is_registered [2022-07-12 12:16:50,728 INFO L138 BoogieDeclarations]: Found implementation of procedure video_is_registered [2022-07-12 12:16:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2022-07-12 12:16:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-12 12:16:50,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-12 12:16:50,729 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2022-07-12 12:16:50,729 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2022-07-12 12:16:50,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 12:16:50,729 INFO L130 BoogieDeclarations]: Found specification of procedure video_mux [2022-07-12 12:16:50,729 INFO L138 BoogieDeclarations]: Found implementation of procedure video_mux [2022-07-12 12:16:50,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 12:16:50,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 12:16:50,729 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 12:16:50,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 12:16:50,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 12:16:50,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 12:16:50,730 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_audio_analog_set [2022-07-12 12:16:50,730 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_audio_analog_set [2022-07-12 12:16:50,730 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-12 12:16:50,730 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-12 12:16:50,731 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_prepare [2022-07-12 12:16:50,731 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_prepare [2022-07-12 12:16:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure format_by_fourcc [2022-07-12 12:16:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure format_by_fourcc [2022-07-12 12:16:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_reg [2022-07-12 12:16:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_reg [2022-07-12 12:16:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_reg_len [2022-07-12 12:16:50,735 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_reg_len [2022-07-12 12:16:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-12 12:16:50,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-12 12:16:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2022-07-12 12:16:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 12:16:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure get_ressource [2022-07-12 12:16:50,740 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ressource [2022-07-12 12:16:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~v4l2_std_id~0~TO~C_INT [2022-07-12 12:16:50,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~v4l2_std_id~0~TO~C_INT [2022-07-12 12:16:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-12 12:16:50,740 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-12 12:16:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_set_outfmt [2022-07-12 12:16:50,740 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_set_outfmt [2022-07-12 12:16:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 12:16:50,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 12:16:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 12:16:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-12 12:16:50,741 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-12 12:16:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 12:16:50,741 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 12:16:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_set_plane_payload [2022-07-12 12:16:50,741 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_set_plane_payload [2022-07-12 12:16:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 12:16:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 12:16:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2022-07-12 12:16:50,742 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2022-07-12 12:16:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 12:16:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 12:16:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 12:16:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-12 12:16:50,742 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-12 12:16:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_v4l2_close [2022-07-12 12:16:50,742 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_v4l2_close [2022-07-12 12:16:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_reg_req_len [2022-07-12 12:16:50,743 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_reg_req_len [2022-07-12 12:16:50,743 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2022-07-12 12:16:50,743 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2022-07-12 12:16:50,743 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_reg_bits [2022-07-12 12:16:50,743 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_reg_bits [2022-07-12 12:16:50,743 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 12:16:50,743 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 12:16:50,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 12:16:50,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 12:16:50,743 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_s_ctrl [2022-07-12 12:16:50,744 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_s_ctrl [2022-07-12 12:16:50,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 12:16:50,744 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 12:16:50,744 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_frequency [2022-07-12 12:16:50,744 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_frequency [2022-07-12 12:16:50,744 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_buffer_prepare [2022-07-12 12:16:50,744 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_buffer_prepare [2022-07-12 12:16:50,744 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_release_resources [2022-07-12 12:16:50,744 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_release_resources [2022-07-12 12:16:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-12 12:16:50,745 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-12 12:16:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2022-07-12 12:16:50,745 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2022-07-12 12:16:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_em28xx [2022-07-12 12:16:50,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_em28xx [2022-07-12 12:16:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_regs_req [2022-07-12 12:16:50,746 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_regs_req [2022-07-12 12:16:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 12:16:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-07-12 12:16:50,746 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2022-07-12 12:16:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 12:16:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_chip_info [2022-07-12 12:16:50,746 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_chip_info [2022-07-12 12:16:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_set_video_format [2022-07-12 12:16:50,746 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_set_video_format [2022-07-12 12:16:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 12:16:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 12:16:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 12:16:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 12:16:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 12:16:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_set_mode [2022-07-12 12:16:50,747 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_set_mode [2022-07-12 12:16:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2022-07-12 12:16:50,747 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2022-07-12 12:16:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 12:16:50,747 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 12:16:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-12 12:16:50,748 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-12 12:16:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_resolution_set [2022-07-12 12:16:50,748 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_resolution_set [2022-07-12 12:16:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-12 12:16:50,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-12 12:16:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_is_ac97_ready [2022-07-12 12:16:50,748 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_is_ac97_ready [2022-07-12 12:16:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u16~0~X~$Pointer$~X~C_INT~TO~C_INT [2022-07-12 12:16:50,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u16~0~X~$Pointer$~X~C_INT~TO~C_INT [2022-07-12 12:16:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-12 12:16:50,749 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-12 12:16:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2022-07-12 12:16:50,749 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2022-07-12 12:16:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_v4l2_open [2022-07-12 12:16:50,749 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_v4l2_open [2022-07-12 12:16:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_size [2022-07-12 12:16:50,749 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_size [2022-07-12 12:16:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-12 12:16:50,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-12 12:16:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 12:16:50,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 12:16:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 12:16:50,750 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 12:16:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 12:16:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 12:16:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 12:16:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 12:16:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 12:16:50,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 12:16:50,751 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_uninit_usb_xfer [2022-07-12 12:16:50,751 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_uninit_usb_xfer [2022-07-12 12:16:50,751 INFO L130 BoogieDeclarations]: Found specification of procedure finish_field_prepare_next [2022-07-12 12:16:50,751 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_field_prepare_next [2022-07-12 12:16:50,751 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_ac97 [2022-07-12 12:16:50,751 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_ac97 [2022-07-12 12:16:50,751 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_wake_i2c [2022-07-12 12:16:50,751 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_wake_i2c [2022-07-12 12:16:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure size_to_scale [2022-07-12 12:16:50,752 INFO L138 BoogieDeclarations]: Found implementation of procedure size_to_scale [2022-07-12 12:16:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2022-07-12 12:16:50,753 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2022-07-12 12:16:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_register [2022-07-12 12:16:50,755 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_register [2022-07-12 12:16:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure scale_to_size [2022-07-12 12:16:50,755 INFO L138 BoogieDeclarations]: Found implementation of procedure scale_to_size [2022-07-12 12:16:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure print_err_status [2022-07-12 12:16:50,756 INFO L138 BoogieDeclarations]: Found implementation of procedure print_err_status [2022-07-12 12:16:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxw [2022-07-12 12:16:50,756 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxw [2022-07-12 12:16:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxh [2022-07-12 12:16:50,757 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxh [2022-07-12 12:16:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_vaddr [2022-07-12 12:16:50,757 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_vaddr [2022-07-12 12:16:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 12:16:50,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 12:16:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_capture_start [2022-07-12 12:16:50,757 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_capture_start [2022-07-12 12:16:51,653 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 12:16:51,657 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 12:18:29,279 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 12:18:29,322 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 12:18:29,325 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-12 12:18:29,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:18:29 BoogieIcfgContainer [2022-07-12 12:18:29,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 12:18:29,346 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 12:18:29,346 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 12:18:29,348 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 12:18:29,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 12:16:44" (1/3) ... [2022-07-12 12:18:29,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51682fc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:18:29, skipping insertion in model container [2022-07-12 12:18:29,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:16:49" (2/3) ... [2022-07-12 12:18:29,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51682fc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:18:29, skipping insertion in model container [2022-07-12 12:18:29,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:18:29" (3/3) ... [2022-07-12 12:18:29,351 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i [2022-07-12 12:18:29,361 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 12:18:29,374 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 12:18:29,508 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 12:18:29,517 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@348b215a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@14848242 [2022-07-12 12:18:29,518 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 12:18:29,545 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) [2022-07-12 12:18:29,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-12 12:18:29,552 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:18:29,553 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:18:29,553 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:18:29,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:18:29,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1357851347, now seen corresponding path program 1 times [2022-07-12 12:18:29,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:18:29,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1129438433] [2022-07-12 12:18:29,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:18:29,649 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:18:29,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:18:29,669 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) [2022-07-12 12:18:29,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 12:19:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:20,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 21167 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:19:20,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:19:20,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:19:20,584 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:19:20,585 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:19:20,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1129438433] [2022-07-12 12:19:20,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1129438433] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:19:20,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:19:20,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:19:20,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907484484] [2022-07-12 12:19:20,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:19:20,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:19:20,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:19:20,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:19:20,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:19:20,680 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) [2022-07-12 12:19:32,112 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:19:32,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:19:32,627 INFO L93 Difference]: Finished difference Result 3788 states and 5592 transitions. [2022-07-12 12:19:32,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:19:32,629 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 [2022-07-12 12:19:32,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:19:32,647 INFO L225 Difference]: With dead ends: 3788 [2022-07-12 12:19:32,647 INFO L226 Difference]: Without dead ends: 1892 [2022-07-12 12:19:32,659 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 [2022-07-12 12:19:32,662 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 [2022-07-12 12:19:32,664 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] [2022-07-12 12:19:32,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1892 states. [2022-07-12 12:19:32,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1892 to 1890. [2022-07-12 12:19:32,799 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) [2022-07-12 12:19:32,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1890 states to 1890 states and 2697 transitions. [2022-07-12 12:19:32,815 INFO L78 Accepts]: Start accepts. Automaton has 1890 states and 2697 transitions. Word has length 12 [2022-07-12 12:19:32,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:19:32,815 INFO L495 AbstractCegarLoop]: Abstraction has 1890 states and 2697 transitions. [2022-07-12 12:19:32,815 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) [2022-07-12 12:19:32,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1890 states and 2697 transitions. [2022-07-12 12:19:32,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-07-12 12:19:32,817 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:19:32,817 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:19:33,031 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forcibly destroying the process [2022-07-12 12:19:33,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 137 [2022-07-12 12:19:33,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:19:33,156 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:19:33,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:19:33,156 INFO L85 PathProgramCache]: Analyzing trace with hash -857980350, now seen corresponding path program 1 times [2022-07-12 12:19:33,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:19:33,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [378069813] [2022-07-12 12:19:33,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:19:33,181 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:19:33,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:19:33,183 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) [2022-07-12 12:19:33,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 12:20:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:20:16,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 21168 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:20:16,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:20:16,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:20:16,298 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:20:16,298 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:20:16,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [378069813] [2022-07-12 12:20:16,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [378069813] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:20:16,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:20:16,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:20:16,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502200493] [2022-07-12 12:20:16,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:20:16,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:20:16,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:20:16,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:20:16,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:20:16,300 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) [2022-07-12 12:20:27,505 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:20:27,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:20:27,863 INFO L93 Difference]: Finished difference Result 1892 states and 2698 transitions. [2022-07-12 12:20:27,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:20:27,863 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 [2022-07-12 12:20:27,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:20:27,872 INFO L225 Difference]: With dead ends: 1892 [2022-07-12 12:20:27,872 INFO L226 Difference]: Without dead ends: 1889 [2022-07-12 12:20:27,873 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 [2022-07-12 12:20:27,877 INFO L413 NwaCegarLoop]: 2686 mSDtfsCounter, 2677 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2677 SdHoareTripleChecker+Valid, 2688 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2022-07-12 12:20:27,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2677 Valid, 2688 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 11.5s Time] [2022-07-12 12:20:27,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1889 states. [2022-07-12 12:20:27,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1889 to 1889. [2022-07-12 12:20:27,925 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) [2022-07-12 12:20:27,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1889 states to 1889 states and 2695 transitions. [2022-07-12 12:20:27,935 INFO L78 Accepts]: Start accepts. Automaton has 1889 states and 2695 transitions. Word has length 13 [2022-07-12 12:20:27,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:20:27,935 INFO L495 AbstractCegarLoop]: Abstraction has 1889 states and 2695 transitions. [2022-07-12 12:20:27,938 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) [2022-07-12 12:20:27,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 2695 transitions. [2022-07-12 12:20:27,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-07-12 12:20:27,939 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:20:27,939 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:20:28,175 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forcibly destroying the process [2022-07-12 12:20:28,300 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 137 [2022-07-12 12:20:28,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:20:28,301 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:20:28,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:20:28,301 INFO L85 PathProgramCache]: Analyzing trace with hash -829281354, now seen corresponding path program 1 times [2022-07-12 12:20:28,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:20:28,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [288540997] [2022-07-12 12:20:28,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:20:28,330 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:20:28,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:20:28,332 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) [2022-07-12 12:20:28,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process