./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.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 762915d608ecb097448a47e33c85639d8aa65e1e4c75d703a75bd3458f3eb2ea --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 00:17:40,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 00:17:40,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 00:17:40,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 00:17:40,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 00:17:40,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 00:17:40,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 00:17:40,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 00:17:40,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 00:17:40,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 00:17:40,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 00:17:40,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 00:17:40,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 00:17:40,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 00:17:40,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 00:17:40,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 00:17:40,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 00:17:40,265 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 00:17:40,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 00:17:40,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 00:17:40,270 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 00:17:40,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 00:17:40,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 00:17:40,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 00:17:40,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 00:17:40,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 00:17:40,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 00:17:40,297 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 00:17:40,298 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 00:17:40,300 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 00:17:40,302 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 00:17:40,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 00:17:40,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 00:17:40,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 00:17:40,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 00:17:40,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 00:17:40,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 00:17:40,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 00:17:40,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 00:17:40,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 00:17:40,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 00:17:40,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 00:17:40,317 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 00:17:40,347 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 00:17:40,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 00:17:40,348 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 00:17:40,348 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 00:17:40,349 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 00:17:40,349 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 00:17:40,350 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 00:17:40,350 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 00:17:40,350 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 00:17:40,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 00:17:40,351 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 00:17:40,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 00:17:40,352 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 00:17:40,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 00:17:40,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 00:17:40,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 00:17:40,352 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 00:17:40,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 00:17:40,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 00:17:40,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 00:17:40,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 00:17:40,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:17:40,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 00:17:40,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 00:17:40,356 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 00:17:40,356 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 00:17:40,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 00:17:40,369 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 00:17:40,369 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 00:17:40,369 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 00:17:40,370 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 762915d608ecb097448a47e33c85639d8aa65e1e4c75d703a75bd3458f3eb2ea [2022-07-20 00:17:40,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 00:17:40,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 00:17:40,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 00:17:40,663 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 00:17:40,664 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 00:17:40,665 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-20 00:17:40,716 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b68975e80/30a5aff7f5f0433dbed833f6e3ca8625/FLAG324f700e8 [2022-07-20 00:17:41,674 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 00:17:41,675 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-20 00:17:41,737 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b68975e80/30a5aff7f5f0433dbed833f6e3ca8625/FLAG324f700e8 [2022-07-20 00:17:42,200 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b68975e80/30a5aff7f5f0433dbed833f6e3ca8625 [2022-07-20 00:17:42,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 00:17:42,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 00:17:42,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 00:17:42,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 00:17:42,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 00:17:42,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:17:42" (1/1) ... [2022-07-20 00:17:42,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@110c54c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:17:42, skipping insertion in model container [2022-07-20 00:17:42,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:17:42" (1/1) ... [2022-07-20 00:17:42,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 00:17:42,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:17:42,853 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3818] [2022-07-20 00:17:45,788 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i[445730,445743] [2022-07-20 00:17:45,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:17:45,944 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 00:17:46,020 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3818] [2022-07-20 00:17:46,484 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:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) 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) [2022-07-20 00:17:46,490 INFO L158 Benchmark]: Toolchain (without parser) took 4284.95ms. Allocated memory was 90.2MB in the beginning and 201.3MB in the end (delta: 111.1MB). Free memory was 47.5MB in the beginning and 107.3MB in the end (delta: -59.8MB). Peak memory consumption was 116.2MB. Max. memory is 16.1GB. [2022-07-20 00:17:46,490 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 90.2MB. Free memory was 64.4MB in the beginning and 64.3MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 00:17:46,491 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4283.36ms. Allocated memory was 90.2MB in the beginning and 201.3MB in the end (delta: 111.1MB). Free memory was 47.3MB in the beginning and 107.3MB in the end (delta: -60.0MB). Peak memory consumption was 116.2MB. Max. memory is 16.1GB. [2022-07-20 00:17:46,492 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 90.2MB. Free memory was 64.4MB in the beginning and 64.3MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4283.36ms. Allocated memory was 90.2MB in the beginning and 201.3MB in the end (delta: 111.1MB). Free memory was 47.3MB in the beginning and 107.3MB in the end (delta: -60.0MB). Peak memory consumption was 116.2MB. 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.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 762915d608ecb097448a47e33c85639d8aa65e1e4c75d703a75bd3458f3eb2ea --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 00:17:48,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 00:17:48,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 00:17:48,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 00:17:48,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 00:17:48,512 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 00:17:48,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 00:17:48,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 00:17:48,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 00:17:48,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 00:17:48,530 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 00:17:48,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 00:17:48,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 00:17:48,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 00:17:48,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 00:17:48,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 00:17:48,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 00:17:48,545 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 00:17:48,547 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 00:17:48,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 00:17:48,554 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 00:17:48,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 00:17:48,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 00:17:48,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 00:17:48,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 00:17:48,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 00:17:48,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 00:17:48,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 00:17:48,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 00:17:48,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 00:17:48,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 00:17:48,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 00:17:48,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 00:17:48,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 00:17:48,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 00:17:48,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 00:17:48,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 00:17:48,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 00:17:48,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 00:17:48,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 00:17:48,577 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 00:17:48,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 00:17:48,583 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 00:17:48,618 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 00:17:48,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 00:17:48,619 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 00:17:48,619 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 00:17:48,620 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 00:17:48,620 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 00:17:48,621 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 00:17:48,621 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 00:17:48,621 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 00:17:48,622 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 00:17:48,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 00:17:48,623 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 00:17:48,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 00:17:48,623 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 00:17:48,623 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 00:17:48,634 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 00:17:48,634 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 00:17:48,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 00:17:48,634 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 00:17:48,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 00:17:48,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 00:17:48,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 00:17:48,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 00:17:48,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:17:48,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 00:17:48,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 00:17:48,636 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 00:17:48,636 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 00:17:48,637 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 00:17:48,637 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 00:17:48,637 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 00:17:48,637 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 00:17:48,638 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 00:17:48,638 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 762915d608ecb097448a47e33c85639d8aa65e1e4c75d703a75bd3458f3eb2ea [2022-07-20 00:17:48,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 00:17:49,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 00:17:49,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 00:17:49,027 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 00:17:49,027 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 00:17:49,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-20 00:17:49,094 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/405f968b6/1fcf17dd129541e986428ab420d13627/FLAG8fe491250 [2022-07-20 00:17:50,141 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 00:17:50,142 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-20 00:17:50,212 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/405f968b6/1fcf17dd129541e986428ab420d13627/FLAG8fe491250 [2022-07-20 00:17:50,618 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/405f968b6/1fcf17dd129541e986428ab420d13627 [2022-07-20 00:17:50,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 00:17:50,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 00:17:50,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 00:17:50,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 00:17:50,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 00:17:50,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:17:50" (1/1) ... [2022-07-20 00:17:50,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b043cd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:17:50, skipping insertion in model container [2022-07-20 00:17:50,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:17:50" (1/1) ... [2022-07-20 00:17:50,639 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 00:17:50,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:17:51,291 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3818] [2022-07-20 00:17:54,233 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i[445730,445743] [2022-07-20 00:17:54,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:17:54,392 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 00:17:54,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:17:54,664 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3818] [2022-07-20 00:17:55,026 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i[445730,445743] [2022-07-20 00:17:55,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:17:55,057 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 00:17:55,160 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3818] [2022-07-20 00:17:55,664 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i[445730,445743] [2022-07-20 00:17:55,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:17:55,845 INFO L208 MainTranslator]: Completed translation [2022-07-20 00:17:55,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:17:55 WrapperNode [2022-07-20 00:17:55,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 00:17:55,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 00:17:55,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 00:17:55,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 00:17:55,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:17:55" (1/1) ... [2022-07-20 00:17:55,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:17:55" (1/1) ... [2022-07-20 00:17:56,324 INFO L137 Inliner]: procedures = 322, calls = 6141, calls flagged for inlining = 114, calls inlined = 111, statements flattened = 13824 [2022-07-20 00:17:56,325 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 00:17:56,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 00:17:56,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 00:17:56,326 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 00:17:56,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:17:55" (1/1) ... [2022-07-20 00:17:56,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:17:55" (1/1) ... [2022-07-20 00:17:56,406 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:17:55" (1/1) ... [2022-07-20 00:17:56,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:17:55" (1/1) ... [2022-07-20 00:17:56,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:17:55" (1/1) ... [2022-07-20 00:17:56,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:17:55" (1/1) ... [2022-07-20 00:17:56,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:17:55" (1/1) ... [2022-07-20 00:17:56,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 00:17:56,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 00:17:56,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 00:17:56,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 00:17:56,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:17:55" (1/1) ... [2022-07-20 00:17:56,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:17:56,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:17:56,764 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) [2022-07-20 00:17:56,792 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 [2022-07-20 00:17:56,804 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-20 00:17:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-20 00:17:56,805 INFO L130 BoogieDeclarations]: Found specification of procedure to_sd [2022-07-20 00:17:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sd [2022-07-20 00:17:56,805 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_tuner [2022-07-20 00:17:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_tuner [2022-07-20 00:17:56,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 00:17:56,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 00:17:56,806 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ctrl [2022-07-20 00:17:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ctrl [2022-07-20 00:17:56,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 00:17:56,806 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_s_parameters [2022-07-20 00:17:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_s_parameters [2022-07-20 00:17:56,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 00:17:56,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 00:17:56,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 00:17:56,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 00:17:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 00:17:56,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 00:17:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 00:17:56,807 INFO L130 BoogieDeclarations]: Found specification of procedure input_change [2022-07-20 00:17:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure input_change [2022-07-20 00:17:56,808 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_g_parameters [2022-07-20 00:17:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_g_parameters [2022-07-20 00:17:56,808 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_querymenu [2022-07-20 00:17:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_querymenu [2022-07-20 00:17:56,808 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-20 00:17:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-20 00:17:56,808 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_probe [2022-07-20 00:17:56,809 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_probe [2022-07-20 00:17:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 00:17:56,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 00:17:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-20 00:17:56,809 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-20 00:17:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_shutdown [2022-07-20 00:17:56,809 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_shutdown [2022-07-20 00:17:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2388x [2022-07-20 00:17:56,810 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2388x [2022-07-20 00:17:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_tuner [2022-07-20 00:17:56,810 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_tuner [2022-07-20 00:17:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2583x [2022-07-20 00:17:56,810 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2583x [2022-07-20 00:17:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-20 00:17:56,811 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-20 00:17:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 00:17:56,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 00:17:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure to_ir_state [2022-07-20 00:17:56,811 INFO L138 BoogieDeclarations]: Found implementation of procedure to_ir_state [2022-07-20 00:17:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_enable [2022-07-20 00:17:56,811 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_enable [2022-07-20 00:17:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-07-20 00:17:56,812 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-07-20 00:17:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_ns [2022-07-20 00:17:56,812 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_ns [2022-07-20 00:17:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-20 00:17:56,812 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-20 00:17:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 00:17:56,812 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 00:17:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 00:17:56,813 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 00:17:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_freq_to_clock_divider [2022-07-20 00:17:56,813 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_freq_to_clock_divider [2022-07-20 00:17:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_demodulation_enable [2022-07-20 00:17:56,813 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_demodulation_enable [2022-07-20 00:17:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 00:17:56,814 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 00:17:56,814 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_work_handler [2022-07-20 00:17:56,814 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_work_handler [2022-07-20 00:17:56,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 00:17:56,814 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 00:17:56,814 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 00:17:56,814 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write [2022-07-20 00:17:56,815 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write [2022-07-20 00:17:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 00:17:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2022-07-20 00:17:56,815 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2022-07-20 00:17:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2022-07-20 00:17:56,815 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2022-07-20 00:17:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-07-20 00:17:56,816 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-07-20 00:17:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 00:17:56,816 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 00:17:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure set_volume [2022-07-20 00:17:56,816 INFO L138 BoogieDeclarations]: Found implementation of procedure set_volume [2022-07-20 00:17:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_sliced_fmt [2022-07-20 00:17:56,817 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_sliced_fmt [2022-07-20 00:17:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_initialize [2022-07-20 00:17:56,817 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_initialize [2022-07-20 00:17:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 00:17:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ext_ctrls [2022-07-20 00:17:56,817 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ext_ctrls [2022-07-20 00:17:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 00:17:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 00:17:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 00:17:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 00:17:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 00:17:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_notify [2022-07-20 00:17:56,818 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_notify [2022-07-20 00:17:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 00:17:56,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 00:17:56,819 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-20 00:17:56,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-20 00:17:56,819 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-20 00:17:56,819 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-20 00:17:56,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-20 00:17:56,819 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-20 00:17:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-20 00:17:56,820 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-20 00:17:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-20 00:17:56,820 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-20 00:17:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2022-07-20 00:17:56,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2022-07-20 00:17:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_resolution [2022-07-20 00:17:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_resolution [2022-07-20 00:17:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-20 00:17:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-20 00:17:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_try_ext_ctrls [2022-07-20 00:17:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_try_ext_ctrls [2022-07-20 00:17:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-20 00:17:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-20 00:17:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-20 00:17:56,822 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-20 00:17:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure cx25836_initialize [2022-07-20 00:17:56,822 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25836_initialize [2022-07-20 00:17:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write4 [2022-07-20 00:17:56,822 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write4 [2022-07-20 00:17:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ext_ctrls [2022-07-20 00:17:56,823 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ext_ctrls [2022-07-20 00:17:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_frequency [2022-07-20 00:17:56,823 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_frequency [2022-07-20 00:17:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_std_setup [2022-07-20 00:17:56,823 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_std_setup [2022-07-20 00:17:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_tx [2022-07-20 00:17:56,823 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_tx [2022-07-20 00:17:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-07-20 00:17:56,824 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-07-20 00:17:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_queryctrl [2022-07-20 00:17:56,824 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_queryctrl [2022-07-20 00:17:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_modulation_enable [2022-07-20 00:17:56,824 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_modulation_enable [2022-07-20 00:17:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure cx23885_initialize [2022-07-20 00:17:56,824 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23885_initialize [2022-07-20 00:17:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_raw_fmt [2022-07-20 00:17:56,825 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_raw_fmt [2022-07-20 00:17:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_freq [2022-07-20 00:17:56,825 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_freq [2022-07-20 00:17:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_std [2022-07-20 00:17:56,825 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_std [2022-07-20 00:17:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or [2022-07-20 00:17:56,825 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or [2022-07-20 00:17:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ctrl [2022-07-20 00:17:56,826 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ctrl [2022-07-20 00:17:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_s_parameters [2022-07-20 00:17:56,826 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_s_parameters [2022-07-20 00:17:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure to_state [2022-07-20 00:17:56,826 INFO L138 BoogieDeclarations]: Found implementation of procedure to_state [2022-07-20 00:17:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure set_audclk_freq [2022-07-20 00:17:56,827 INFO L138 BoogieDeclarations]: Found implementation of procedure set_audclk_freq [2022-07-20 00:17:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_register [2022-07-20 00:17:56,827 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_register [2022-07-20 00:17:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_register [2022-07-20 00:17:56,827 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_register [2022-07-20 00:17:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure set_input [2022-07-20 00:17:56,827 INFO L138 BoogieDeclarations]: Found implementation of procedure set_input [2022-07-20 00:17:56,828 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_g_parameters [2022-07-20 00:17:56,828 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_g_parameters [2022-07-20 00:17:56,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 00:17:56,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 00:17:56,828 INFO L130 BoogieDeclarations]: Found specification of procedure cx23888_std_setup [2022-07-20 00:17:56,828 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23888_std_setup [2022-07-20 00:17:56,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 00:17:56,828 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_initialize [2022-07-20 00:17:56,829 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_initialize [2022-07-20 00:17:56,829 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-20 00:17:56,829 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-20 00:17:56,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 00:17:56,829 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-20 00:17:56,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-20 00:17:56,829 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_rx [2022-07-20 00:17:56,830 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_rx [2022-07-20 00:17:56,830 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or4 [2022-07-20 00:17:56,830 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or4 [2022-07-20 00:17:56,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 00:17:56,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 00:17:56,830 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_input_status [2022-07-20 00:17:56,830 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_input_status [2022-07-20 00:17:56,830 INFO L130 BoogieDeclarations]: Found specification of procedure lpf_count_to_ns [2022-07-20 00:17:56,831 INFO L138 BoogieDeclarations]: Found implementation of procedure lpf_count_to_ns [2022-07-20 00:17:56,831 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_set_audclk_freq [2022-07-20 00:17:56,831 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_set_audclk_freq [2022-07-20 00:17:56,831 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read [2022-07-20 00:17:56,831 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read [2022-07-20 00:17:56,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 00:17:56,831 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_us [2022-07-20 00:17:56,831 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_us [2022-07-20 00:17:56,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 00:17:56,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 00:17:56,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 00:17:56,832 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 00:17:56,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 00:17:56,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 00:17:56,832 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 00:17:56,833 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_sliced_fmt [2022-07-20 00:17:56,833 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_sliced_fmt [2022-07-20 00:17:56,833 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2022-07-20 00:17:56,833 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2022-07-20 00:17:56,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 00:17:56,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 00:17:56,833 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-07-20 00:17:56,833 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-07-20 00:17:56,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 00:17:56,834 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_name [2022-07-20 00:17:56,834 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_name [2022-07-20 00:17:56,834 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_decode_vbi_line [2022-07-20 00:17:56,834 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_decode_vbi_line [2022-07-20 00:17:56,834 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_adapter_id [2022-07-20 00:17:56,834 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_adapter_id [2022-07-20 00:17:56,834 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_carrier_freq [2022-07-20 00:17:56,835 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_carrier_freq [2022-07-20 00:17:56,835 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_clocks_to_clock_divider [2022-07-20 00:17:56,835 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_clocks_to_clock_divider [2022-07-20 00:17:56,835 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx231xx [2022-07-20 00:17:56,835 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx231xx [2022-07-20 00:17:56,835 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2022-07-20 00:17:56,835 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2022-07-20 00:17:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_s_edge_detection [2022-07-20 00:17:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_s_edge_detection [2022-07-20 00:17:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-07-20 00:17:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-07-20 00:17:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_probe [2022-07-20 00:17:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_probe [2022-07-20 00:17:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-20 00:17:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-20 00:17:56,837 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-20 00:17:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-20 00:17:56,837 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read4 [2022-07-20 00:17:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read4 [2022-07-20 00:17:56,837 INFO L130 BoogieDeclarations]: Found specification of procedure odd_parity [2022-07-20 00:17:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure odd_parity [2022-07-20 00:17:56,837 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_enable [2022-07-20 00:17:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_enable [2022-07-20 00:17:56,838 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-20 00:17:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-20 00:17:56,838 INFO L130 BoogieDeclarations]: Found specification of procedure filter_rx_s_min_width [2022-07-20 00:17:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure filter_rx_s_min_width [2022-07-20 00:17:56,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 00:17:56,838 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_shutdown [2022-07-20 00:17:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_shutdown [2022-07-20 00:17:56,839 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-20 00:17:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-20 00:17:56,839 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-20 00:17:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-20 00:17:56,839 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23885 [2022-07-20 00:17:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23885 [2022-07-20 00:17:56,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 00:17:56,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 00:17:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_pulse_clocks [2022-07-20 00:17:56,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_pulse_clocks [2022-07-20 00:17:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23888 [2022-07-20 00:17:56,840 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23888 [2022-07-20 00:17:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23887 [2022-07-20 00:17:56,840 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23887 [2022-07-20 00:17:58,288 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 00:17:58,294 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 00:18:02,448 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 00:20:55,495 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 00:20:55,541 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 00:20:55,541 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 00:20:55,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:20:55 BoogieIcfgContainer [2022-07-20 00:20:55,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 00:20:55,554 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 00:20:55,554 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 00:20:55,556 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 00:20:55,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:17:50" (1/3) ... [2022-07-20 00:20:55,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7249af14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:20:55, skipping insertion in model container [2022-07-20 00:20:55,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:17:55" (2/3) ... [2022-07-20 00:20:55,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7249af14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:20:55, skipping insertion in model container [2022-07-20 00:20:55,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:20:55" (3/3) ... [2022-07-20 00:20:55,559 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-20 00:20:55,572 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 00:20:55,572 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 00:20:55,774 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 00:20:55,786 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@2af82251, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7ba36e54 [2022-07-20 00:20:55,786 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 00:20:55,816 INFO L276 IsEmpty]: Start isEmpty. Operand has 8650 states, 4970 states have (on average 1.1877263581488933) internal successors, (5903), 5007 states have internal predecessors, (5903), 3563 states have call successors, (3563), 116 states have call predecessors, (3563), 115 states have return successors, (3548), 3540 states have call predecessors, (3548), 3548 states have call successors, (3548) [2022-07-20 00:20:55,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2022-07-20 00:20:55,851 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:20:55,852 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:20:55,853 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:20:55,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:20:55,859 INFO L85 PathProgramCache]: Analyzing trace with hash 2043482198, now seen corresponding path program 1 times [2022-07-20 00:20:55,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:20:55,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1014438576] [2022-07-20 00:20:55,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:20:55,878 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:20:55,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:20:55,881 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) [2022-07-20 00:20:55,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 00:20:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:58,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 3295 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-20 00:20:58,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:20:58,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2844 backedges. 513 proven. 0 refuted. 0 times theorem prover too weak. 2331 trivial. 0 not checked. [2022-07-20 00:20:58,532 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:20:58,533 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:20:58,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1014438576] [2022-07-20 00:20:58,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1014438576] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:20:58,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:20:58,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 00:20:58,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469022842] [2022-07-20 00:20:58,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:20:58,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-20 00:20:58,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:20:58,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-20 00:20:58,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-20 00:20:58,601 INFO L87 Difference]: Start difference. First operand has 8650 states, 4970 states have (on average 1.1877263581488933) internal successors, (5903), 5007 states have internal predecessors, (5903), 3563 states have call successors, (3563), 116 states have call predecessors, (3563), 115 states have return successors, (3548), 3540 states have call predecessors, (3548), 3548 states have call successors, (3548) Second operand has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-20 00:20:59,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:20:59,149 INFO L93 Difference]: Finished difference Result 17295 states and 26077 transitions. [2022-07-20 00:20:59,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-20 00:20:59,152 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 458 [2022-07-20 00:20:59,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:20:59,278 INFO L225 Difference]: With dead ends: 17295 [2022-07-20 00:20:59,278 INFO L226 Difference]: Without dead ends: 8628 [2022-07-20 00:20:59,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 457 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-20 00:20:59,374 INFO L413 NwaCegarLoop]: 13010 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13010 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 00:20:59,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13010 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 00:20:59,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8628 states. [2022-07-20 00:21:02,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8628 to 8628. [2022-07-20 00:21:02,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8628 states, 4965 states have (on average 1.1842900302114803) internal successors, (5880), 4985 states have internal predecessors, (5880), 3548 states have call successors, (3548), 115 states have call predecessors, (3548), 114 states have return successors, (3547), 3539 states have call predecessors, (3547), 3547 states have call successors, (3547) [2022-07-20 00:21:02,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8628 states to 8628 states and 12975 transitions. [2022-07-20 00:21:02,756 INFO L78 Accepts]: Start accepts. Automaton has 8628 states and 12975 transitions. Word has length 458 [2022-07-20 00:21:02,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:21:02,759 INFO L495 AbstractCegarLoop]: Abstraction has 8628 states and 12975 transitions. [2022-07-20 00:21:02,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-20 00:21:02,760 INFO L276 IsEmpty]: Start isEmpty. Operand 8628 states and 12975 transitions. [2022-07-20 00:21:02,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2022-07-20 00:21:02,773 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:21:02,774 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:21:02,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-20 00:21:02,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:21:02,988 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:21:02,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:21:02,988 INFO L85 PathProgramCache]: Analyzing trace with hash 739151226, now seen corresponding path program 1 times [2022-07-20 00:21:02,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:21:02,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1790633146] [2022-07-20 00:21:02,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:21:02,993 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:21:02,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:21:02,995 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) [2022-07-20 00:21:02,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 00:21:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:21:05,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 3295 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-20 00:21:05,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:21:06,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2844 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 2736 trivial. 0 not checked. [2022-07-20 00:21:06,056 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:21:06,056 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:21:06,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1790633146] [2022-07-20 00:21:06,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1790633146] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:21:06,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:21:06,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:21:06,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872127138] [2022-07-20 00:21:06,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:21:06,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:21:06,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:21:06,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:21:06,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:21:06,062 INFO L87 Difference]: Start difference. First operand 8628 states and 12975 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-20 00:21:09,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:21:09,533 INFO L93 Difference]: Finished difference Result 17222 states and 25921 transitions. [2022-07-20 00:21:09,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 00:21:09,535 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 458 [2022-07-20 00:21:09,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:21:09,621 INFO L225 Difference]: With dead ends: 17222 [2022-07-20 00:21:09,621 INFO L226 Difference]: Without dead ends: 8629 [2022-07-20 00:21:09,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 453 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:21:09,706 INFO L413 NwaCegarLoop]: 12957 mSDtfsCounter, 6 mSDsluCounter, 51787 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 64744 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-20 00:21:09,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 64744 Invalid, 142 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-20 00:21:09,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8629 states. [2022-07-20 00:21:12,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8629 to 8629. [2022-07-20 00:21:12,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8629 states, 4966 states have (on average 1.184252919855014) internal successors, (5881), 4986 states have internal predecessors, (5881), 3548 states have call successors, (3548), 115 states have call predecessors, (3548), 114 states have return successors, (3547), 3539 states have call predecessors, (3547), 3547 states have call successors, (3547) [2022-07-20 00:21:12,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8629 states to 8629 states and 12976 transitions. [2022-07-20 00:21:12,702 INFO L78 Accepts]: Start accepts. Automaton has 8629 states and 12976 transitions. Word has length 458 [2022-07-20 00:21:12,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:21:12,706 INFO L495 AbstractCegarLoop]: Abstraction has 8629 states and 12976 transitions. [2022-07-20 00:21:12,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-20 00:21:12,707 INFO L276 IsEmpty]: Start isEmpty. Operand 8629 states and 12976 transitions. [2022-07-20 00:21:12,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2022-07-20 00:21:12,716 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:21:12,716 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:21:12,797 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-20 00:21:12,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:21:12,936 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:21:12,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:21:12,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1444156937, now seen corresponding path program 1 times [2022-07-20 00:21:12,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:21:12,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [283246794] [2022-07-20 00:21:12,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:21:12,939 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:21:12,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:21:12,941 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) [2022-07-20 00:21:12,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 00:21:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:21:15,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 3438 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-20 00:21:15,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:21:16,142 INFO L134 CoverageAnalysis]: Checked inductivity of 3091 backedges. 144 proven. 1 refuted. 0 times theorem prover too weak. 2946 trivial. 0 not checked. [2022-07-20 00:21:16,143 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 00:21:19,282 INFO L134 CoverageAnalysis]: Checked inductivity of 3091 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 2970 trivial. 0 not checked. [2022-07-20 00:21:19,282 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:21:19,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [283246794] [2022-07-20 00:21:19,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [283246794] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 00:21:19,283 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 00:21:19,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-20 00:21:19,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45576726] [2022-07-20 00:21:19,283 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 00:21:19,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-20 00:21:19,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:21:19,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-20 00:21:19,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-20 00:21:19,287 INFO L87 Difference]: Start difference. First operand 8629 states and 12976 transitions. Second operand has 11 states, 9 states have (on average 10.333333333333334) internal successors, (93), 11 states have internal predecessors, (93), 4 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (50), 4 states have call predecessors, (50), 4 states have call successors, (50) [2022-07-20 00:21:23,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:21:23,226 INFO L93 Difference]: Finished difference Result 17229 states and 25929 transitions. [2022-07-20 00:21:23,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 00:21:23,227 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 10.333333333333334) internal successors, (93), 11 states have internal predecessors, (93), 4 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (50), 4 states have call predecessors, (50), 4 states have call successors, (50) Word has length 471 [2022-07-20 00:21:23,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:21:23,316 INFO L225 Difference]: With dead ends: 17229 [2022-07-20 00:21:23,317 INFO L226 Difference]: Without dead ends: 8635 [2022-07-20 00:21:23,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 943 GetRequests, 931 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-07-20 00:21:23,371 INFO L413 NwaCegarLoop]: 12958 mSDtfsCounter, 10 mSDsluCounter, 64744 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 77702 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-20 00:21:23,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 77702 Invalid, 200 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-20 00:21:23,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8635 states. [2022-07-20 00:21:26,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8635 to 8635. [2022-07-20 00:21:26,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8635 states, 4970 states have (on average 1.1841046277665996) internal successors, (5885), 4990 states have internal predecessors, (5885), 3549 states have call successors, (3549), 116 states have call predecessors, (3549), 115 states have return successors, (3548), 3540 states have call predecessors, (3548), 3548 states have call successors, (3548) [2022-07-20 00:21:26,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8635 states to 8635 states and 12982 transitions. [2022-07-20 00:21:26,212 INFO L78 Accepts]: Start accepts. Automaton has 8635 states and 12982 transitions. Word has length 471 [2022-07-20 00:21:26,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:21:26,213 INFO L495 AbstractCegarLoop]: Abstraction has 8635 states and 12982 transitions. [2022-07-20 00:21:26,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 10.333333333333334) internal successors, (93), 11 states have internal predecessors, (93), 4 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (50), 4 states have call predecessors, (50), 4 states have call successors, (50) [2022-07-20 00:21:26,213 INFO L276 IsEmpty]: Start isEmpty. Operand 8635 states and 12982 transitions. [2022-07-20 00:21:26,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2022-07-20 00:21:26,223 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:21:26,223 INFO L195 NwaCegarLoop]: trace histogram [26, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:21:26,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-20 00:21:26,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:21:26,439 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:21:26,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:21:26,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1704583322, now seen corresponding path program 2 times [2022-07-20 00:21:26,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:21:26,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2092120460] [2022-07-20 00:21:26,442 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 00:21:26,442 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:21:26,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:21:26,447 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 00:21:26,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 00:21:28,261 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 00:21:28,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 00:21:28,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 2040 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 00:21:28,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:21:28,883 INFO L134 CoverageAnalysis]: Checked inductivity of 3507 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3507 trivial. 0 not checked. [2022-07-20 00:21:28,883 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:21:28,883 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:21:28,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2092120460] [2022-07-20 00:21:28,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2092120460] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:21:28,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:21:28,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 00:21:28,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685662569] [2022-07-20 00:21:28,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:21:28,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:21:28,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:21:28,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:21:28,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:21:28,885 INFO L87 Difference]: Start difference. First operand 8635 states and 12982 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2022-07-20 00:21:31,031 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:21:31,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:21:31,820 INFO L93 Difference]: Finished difference Result 25720 states and 38688 transitions. [2022-07-20 00:21:31,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:21:31,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 484 [2022-07-20 00:21:31,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:21:31,941 INFO L225 Difference]: With dead ends: 25720 [2022-07-20 00:21:31,941 INFO L226 Difference]: Without dead ends: 17158 [2022-07-20 00:21:32,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 482 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:21:32,020 INFO L413 NwaCegarLoop]: 16496 mSDtfsCounter, 12811 mSDsluCounter, 12961 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12811 SdHoareTripleChecker+Valid, 29457 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-20 00:21:32,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12811 Valid, 29457 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-07-20 00:21:32,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17158 states. [2022-07-20 00:21:40,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17158 to 17158. [2022-07-20 00:21:40,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17158 states, 9874 states have (on average 1.1849301195057726) internal successors, (11700), 9914 states have internal predecessors, (11700), 7054 states have call successors, (7054), 230 states have call predecessors, (7054), 229 states have return successors, (7053), 7037 states have call predecessors, (7053), 7053 states have call successors, (7053) [2022-07-20 00:21:40,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17158 states to 17158 states and 25807 transitions. [2022-07-20 00:21:40,365 INFO L78 Accepts]: Start accepts. Automaton has 17158 states and 25807 transitions. Word has length 484 [2022-07-20 00:21:40,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:21:40,368 INFO L495 AbstractCegarLoop]: Abstraction has 17158 states and 25807 transitions. [2022-07-20 00:21:40,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2022-07-20 00:21:40,369 INFO L276 IsEmpty]: Start isEmpty. Operand 17158 states and 25807 transitions. [2022-07-20 00:21:40,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2022-07-20 00:21:40,374 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:21:40,374 INFO L195 NwaCegarLoop]: trace histogram [26, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:21:40,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-20 00:21:40,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:21:40,596 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:21:40,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:21:40,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1122531750, now seen corresponding path program 1 times [2022-07-20 00:21:40,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:21:40,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [991541021] [2022-07-20 00:21:40,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:21:40,598 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:21:40,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:21:40,600 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 00:21:40,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 00:21:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:21:42,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 3590 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-20 00:21:42,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:21:44,052 INFO L134 CoverageAnalysis]: Checked inductivity of 3507 backedges. 204 proven. 3 refuted. 0 times theorem prover too weak. 3300 trivial. 0 not checked. [2022-07-20 00:21:44,052 INFO L328 TraceCheckSpWp]: Computing backward predicates...