./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-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 d63f3d312d028079695bf95fa29efe98b168bcd1b57f8b32c4056bb2f52ae36f --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 00:56:32,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 00:56:32,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 00:56:32,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 00:56:32,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 00:56:32,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 00:56:32,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 00:56:32,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 00:56:32,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 00:56:32,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 00:56:32,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 00:56:32,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 00:56:32,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 00:56:32,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 00:56:32,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 00:56:32,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 00:56:32,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 00:56:32,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 00:56:32,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 00:56:32,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 00:56:32,513 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 00:56:32,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 00:56:32,514 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 00:56:32,515 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 00:56:32,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 00:56:32,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 00:56:32,523 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 00:56:32,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 00:56:32,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 00:56:32,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 00:56:32,525 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 00:56:32,526 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 00:56:32,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 00:56:32,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 00:56:32,528 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 00:56:32,529 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 00:56:32,529 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 00:56:32,530 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 00:56:32,530 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 00:56:32,530 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 00:56:32,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 00:56:32,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 00:56:32,534 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 00:56:32,562 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 00:56:32,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 00:56:32,563 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 00:56:32,563 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 00:56:32,564 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 00:56:32,564 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 00:56:32,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 00:56:32,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 00:56:32,565 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 00:56:32,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 00:56:32,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 00:56:32,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 00:56:32,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 00:56:32,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 00:56:32,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 00:56:32,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 00:56:32,568 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 00:56:32,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 00:56:32,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 00:56:32,568 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 00:56:32,568 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 00:56:32,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:56:32,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 00:56:32,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 00:56:32,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 00:56:32,569 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 00:56:32,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 00:56:32,570 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 00:56:32,570 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 00:56:32,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 00:56:32,571 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d63f3d312d028079695bf95fa29efe98b168bcd1b57f8b32c4056bb2f52ae36f [2022-07-23 00:56:32,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 00:56:32,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 00:56:32,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 00:56:32,827 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 00:56:32,828 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 00:56:32,829 INFO L432 ainManager$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-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-23 00:56:32,899 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f6f60d58/6ddd779d7e91442a9c9546d64d8facc6/FLAG93a220c23 [2022-07-23 00:56:33,718 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 00:56:33,718 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-23 00:56:33,770 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f6f60d58/6ddd779d7e91442a9c9546d64d8facc6/FLAG93a220c23 [2022-07-23 00:56:33,909 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f6f60d58/6ddd779d7e91442a9c9546d64d8facc6 [2022-07-23 00:56:33,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 00:56:33,912 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 00:56:33,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 00:56:33,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 00:56:33,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 00:56:33,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:56:33" (1/1) ... [2022-07-23 00:56:33,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@845692c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:56:33, skipping insertion in model container [2022-07-23 00:56:33,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:56:33" (1/1) ... [2022-07-23 00:56:33,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 00:56:34,089 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:56:34,509 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3810] [2022-07-23 00:56:36,424 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-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i[459385,459398] [2022-07-23 00:56:36,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:56:36,699 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 00:56:36,810 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3810] [2022-07-23 00:56:37,186 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) [2022-07-23 00:56:37,195 INFO L158 Benchmark]: Toolchain (without parser) took 3282.57ms. Allocated memory was 104.9MB in the beginning and 276.8MB in the end (delta: 172.0MB). Free memory was 58.9MB in the beginning and 162.8MB in the end (delta: -103.9MB). Peak memory consumption was 94.6MB. Max. memory is 16.1GB. [2022-07-23 00:56:37,196 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 00:56:37,197 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3278.08ms. Allocated memory was 104.9MB in the beginning and 276.8MB in the end (delta: 172.0MB). Free memory was 58.8MB in the beginning and 162.8MB in the end (delta: -104.1MB). Peak memory consumption was 94.6MB. Max. memory is 16.1GB. [2022-07-23 00:56:37,199 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3278.08ms. Allocated memory was 104.9MB in the beginning and 276.8MB in the end (delta: 172.0MB). Free memory was 58.8MB in the beginning and 162.8MB in the end (delta: -104.1MB). Peak memory consumption was 94.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-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 d63f3d312d028079695bf95fa29efe98b168bcd1b57f8b32c4056bb2f52ae36f --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 00:56:38,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 00:56:38,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 00:56:38,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 00:56:38,919 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 00:56:38,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 00:56:38,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 00:56:38,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 00:56:38,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 00:56:38,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 00:56:38,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 00:56:38,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 00:56:38,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 00:56:38,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 00:56:38,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 00:56:38,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 00:56:38,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 00:56:38,947 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 00:56:38,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 00:56:38,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 00:56:38,954 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 00:56:38,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 00:56:38,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 00:56:38,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 00:56:38,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 00:56:38,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 00:56:38,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 00:56:38,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 00:56:38,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 00:56:38,965 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 00:56:38,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 00:56:38,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 00:56:38,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 00:56:38,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 00:56:38,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 00:56:38,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 00:56:38,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 00:56:38,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 00:56:38,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 00:56:38,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 00:56:38,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 00:56:38,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 00:56:38,973 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 00:56:39,011 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 00:56:39,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 00:56:39,013 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 00:56:39,013 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 00:56:39,014 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 00:56:39,014 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 00:56:39,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 00:56:39,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 00:56:39,015 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 00:56:39,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 00:56:39,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 00:56:39,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 00:56:39,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 00:56:39,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 00:56:39,017 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 00:56:39,017 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 00:56:39,017 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 00:56:39,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 00:56:39,018 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 00:56:39,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 00:56:39,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 00:56:39,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 00:56:39,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 00:56:39,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:56:39,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 00:56:39,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 00:56:39,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 00:56:39,019 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 00:56:39,019 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 00:56:39,020 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 00:56:39,020 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 00:56:39,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 00:56:39,020 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 00:56:39,021 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d63f3d312d028079695bf95fa29efe98b168bcd1b57f8b32c4056bb2f52ae36f [2022-07-23 00:56:39,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 00:56:39,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 00:56:39,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 00:56:39,329 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 00:56:39,329 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 00:56:39,331 INFO L432 ainManager$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-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-23 00:56:39,385 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1557afbf6/32e102a48ea64de38ee2fa3366f2d2bc/FLAGd3f4df6ab [2022-07-23 00:56:40,222 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 00:56:40,222 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-23 00:56:40,274 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1557afbf6/32e102a48ea64de38ee2fa3366f2d2bc/FLAGd3f4df6ab [2022-07-23 00:56:40,723 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1557afbf6/32e102a48ea64de38ee2fa3366f2d2bc [2022-07-23 00:56:40,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 00:56:40,726 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 00:56:40,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 00:56:40,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 00:56:40,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 00:56:40,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:56:40" (1/1) ... [2022-07-23 00:56:40,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1843cdcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:56:40, skipping insertion in model container [2022-07-23 00:56:40,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:56:40" (1/1) ... [2022-07-23 00:56:40,737 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 00:56:40,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:56:41,378 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3810] [2022-07-23 00:56:43,252 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-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i[459385,459398] [2022-07-23 00:56:43,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:56:43,633 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 00:56:43,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:56:43,755 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3810] [2022-07-23 00:56:44,142 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-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i[459385,459398] [2022-07-23 00:56:44,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:56:44,169 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 00:56:44,251 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3810] [2022-07-23 00:56:44,661 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-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i[459385,459398] [2022-07-23 00:56:44,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:56:44,895 INFO L208 MainTranslator]: Completed translation [2022-07-23 00:56:44,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:56:44 WrapperNode [2022-07-23 00:56:44,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 00:56:44,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 00:56:44,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 00:56:44,897 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 00:56:44,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:56:44" (1/1) ... [2022-07-23 00:56:45,058 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:56:44" (1/1) ... [2022-07-23 00:56:45,298 INFO L137 Inliner]: procedures = 442, calls = 6361, calls flagged for inlining = 129, calls inlined = 123, statements flattened = 13972 [2022-07-23 00:56:45,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 00:56:45,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 00:56:45,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 00:56:45,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 00:56:45,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:56:44" (1/1) ... [2022-07-23 00:56:45,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:56:44" (1/1) ... [2022-07-23 00:56:45,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:56:44" (1/1) ... [2022-07-23 00:56:45,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:56:44" (1/1) ... [2022-07-23 00:56:45,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:56:44" (1/1) ... [2022-07-23 00:56:45,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:56:44" (1/1) ... [2022-07-23 00:56:45,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:56:44" (1/1) ... [2022-07-23 00:56:45,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 00:56:45,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 00:56:45,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 00:56:45,741 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 00:56:45,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:56:44" (1/1) ... [2022-07-23 00:56:45,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:56:45,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:56:45,772 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) [2022-07-23 00:56:45,794 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 [2022-07-23 00:56:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-23 00:56:45,810 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-23 00:56:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure to_sd [2022-07-23 00:56:45,810 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sd [2022-07-23 00:56:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_tuner [2022-07-23 00:56:45,810 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_tuner [2022-07-23 00:56:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 00:56:45,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 00:56:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 00:56:45,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 00:56:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2388x [2022-07-23 00:56:45,811 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2388x [2022-07-23 00:56:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_tuner [2022-07-23 00:56:45,811 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_tuner [2022-07-23 00:56:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2583x [2022-07-23 00:56:45,812 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2583x [2022-07-23 00:56:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure to_ir_state [2022-07-23 00:56:45,812 INFO L138 BoogieDeclarations]: Found implementation of procedure to_ir_state [2022-07-23 00:56:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-07-23 00:56:45,812 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-07-23 00:56:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_ns [2022-07-23 00:56:45,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_ns [2022-07-23 00:56:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 00:56:45,813 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 00:56:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2022-07-23 00:56:45,813 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2022-07-23 00:56:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-07-23 00:56:45,814 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-07-23 00:56:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 00:56:45,814 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 00:56:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_sliced_fmt [2022-07-23 00:56:45,814 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_sliced_fmt [2022-07-23 00:56:45,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 00:56:45,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 00:56:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 00:56:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2022-07-23 00:56:45,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2022-07-23 00:56:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_resolution [2022-07-23 00:56:45,819 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_resolution [2022-07-23 00:56:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-23 00:56:45,819 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-23 00:56:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure cx25836_initialize [2022-07-23 00:56:45,820 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25836_initialize [2022-07-23 00:56:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write4 [2022-07-23 00:56:45,820 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write4 [2022-07-23 00:56:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ext_ctrls [2022-07-23 00:56:45,820 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ext_ctrls [2022-07-23 00:56:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_frequency [2022-07-23 00:56:45,820 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_frequency [2022-07-23 00:56:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_std_setup [2022-07-23 00:56:45,820 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_std_setup [2022-07-23 00:56:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-07-23 00:56:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-07-23 00:56:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_modulation_enable [2022-07-23 00:56:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_modulation_enable [2022-07-23 00:56:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure cx23885_initialize [2022-07-23 00:56:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23885_initialize [2022-07-23 00:56:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_raw_fmt [2022-07-23 00:56:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_raw_fmt [2022-07-23 00:56:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or [2022-07-23 00:56:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or [2022-07-23 00:56:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ctrl [2022-07-23 00:56:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ctrl [2022-07-23 00:56:45,822 INFO L130 BoogieDeclarations]: Found specification of procedure set_audclk_freq [2022-07-23 00:56:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure set_audclk_freq [2022-07-23 00:56:45,822 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_g_parameters [2022-07-23 00:56:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_g_parameters [2022-07-23 00:56:45,822 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_initialize [2022-07-23 00:56:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_initialize [2022-07-23 00:56:45,822 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-23 00:56:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-23 00:56:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tx_params_lock_of_cx25840_ir_state [2022-07-23 00:56:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tx_params_lock_of_cx25840_ir_state [2022-07-23 00:56:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 00:56:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 00:56:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_input_status [2022-07-23 00:56:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_input_status [2022-07-23 00:56:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure lpf_count_to_ns [2022-07-23 00:56:45,839 INFO L138 BoogieDeclarations]: Found implementation of procedure lpf_count_to_ns [2022-07-23 00:56:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_set_audclk_freq [2022-07-23 00:56:45,840 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_set_audclk_freq [2022-07-23 00:56:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 00:56:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_us [2022-07-23 00:56:45,840 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_us [2022-07-23 00:56:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 00:56:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 00:56:45,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 00:56:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 00:56:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 00:56:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 00:56:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 00:56:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-07-23 00:56:45,843 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-07-23 00:56:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 00:56:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_name [2022-07-23 00:56:45,843 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_name [2022-07-23 00:56:45,844 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_decode_vbi_line [2022-07-23 00:56:45,844 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_decode_vbi_line [2022-07-23 00:56:45,844 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_clocks_to_clock_divider [2022-07-23 00:56:45,844 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_clocks_to_clock_divider [2022-07-23 00:56:45,844 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx231xx [2022-07-23 00:56:45,844 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx231xx [2022-07-23 00:56:45,845 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-07-23 00:56:45,845 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-07-23 00:56:45,845 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_probe [2022-07-23 00:56:45,845 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_probe [2022-07-23 00:56:45,845 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-23 00:56:45,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-23 00:56:45,846 INFO L130 BoogieDeclarations]: Found specification of procedure odd_parity [2022-07-23 00:56:45,849 INFO L138 BoogieDeclarations]: Found implementation of procedure odd_parity [2022-07-23 00:56:45,849 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_enable [2022-07-23 00:56:45,849 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_enable [2022-07-23 00:56:45,849 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-23 00:56:45,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-23 00:56:45,850 INFO L130 BoogieDeclarations]: Found specification of procedure filter_rx_s_min_width [2022-07-23 00:56:45,850 INFO L138 BoogieDeclarations]: Found implementation of procedure filter_rx_s_min_width [2022-07-23 00:56:45,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 00:56:45,850 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_shutdown [2022-07-23 00:56:45,856 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_shutdown [2022-07-23 00:56:45,856 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-23 00:56:45,856 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-23 00:56:45,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 00:56:45,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 00:56:45,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 00:56:45,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 00:56:45,857 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ctrl [2022-07-23 00:56:45,857 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ctrl [2022-07-23 00:56:45,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 00:56:45,857 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_s_parameters [2022-07-23 00:56:45,857 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_s_parameters [2022-07-23 00:56:45,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 00:56:45,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 00:56:45,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 00:56:45,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 00:56:45,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 00:56:45,858 INFO L130 BoogieDeclarations]: Found specification of procedure input_change [2022-07-23 00:56:45,858 INFO L138 BoogieDeclarations]: Found implementation of procedure input_change [2022-07-23 00:56:45,858 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_g_parameters [2022-07-23 00:56:45,858 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_g_parameters [2022-07-23 00:56:45,859 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_querymenu [2022-07-23 00:56:45,859 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_querymenu [2022-07-23 00:56:45,859 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-23 00:56:45,859 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-23 00:56:45,859 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_probe [2022-07-23 00:56:45,859 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_probe [2022-07-23 00:56:45,859 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-23 00:56:45,859 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-23 00:56:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_shutdown [2022-07-23 00:56:45,860 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_shutdown [2022-07-23 00:56:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 00:56:45,860 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 00:56:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 00:56:45,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 00:56:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_enable [2022-07-23 00:56:45,860 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_enable [2022-07-23 00:56:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-23 00:56:45,861 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-23 00:56:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 00:56:45,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 00:56:45,921 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 00:56:45,922 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 00:56:45,922 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_freq_to_clock_divider [2022-07-23 00:56:45,922 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_freq_to_clock_divider [2022-07-23 00:56:45,922 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_demodulation_enable [2022-07-23 00:56:45,922 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_demodulation_enable [2022-07-23 00:56:45,922 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-23 00:56:45,922 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-23 00:56:45,922 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_work_handler [2022-07-23 00:56:45,922 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_work_handler [2022-07-23 00:56:45,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 00:56:45,922 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 00:56:45,922 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 00:56:45,922 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write [2022-07-23 00:56:45,922 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write [2022-07-23 00:56:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 00:56:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2022-07-23 00:56:45,923 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2022-07-23 00:56:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure set_volume [2022-07-23 00:56:45,923 INFO L138 BoogieDeclarations]: Found implementation of procedure set_volume [2022-07-23 00:56:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_initialize [2022-07-23 00:56:45,923 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_initialize [2022-07-23 00:56:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 00:56:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ext_ctrls [2022-07-23 00:56:45,923 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ext_ctrls [2022-07-23 00:56:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 00:56:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 00:56:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 00:56:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 00:56:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_notify [2022-07-23 00:56:45,924 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_notify [2022-07-23 00:56:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-23 00:56:45,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-23 00:56:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-23 00:56:45,924 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-23 00:56:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-23 00:56:45,924 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-23 00:56:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-23 00:56:45,924 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-23 00:56:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-23 00:56:45,924 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-23 00:56:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_try_ext_ctrls [2022-07-23 00:56:45,924 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_try_ext_ctrls [2022-07-23 00:56:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-23 00:56:45,925 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-23 00:56:45,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_rx_params_lock_of_cx25840_ir_state [2022-07-23 00:56:45,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_rx_params_lock_of_cx25840_ir_state [2022-07-23 00:56:45,925 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_tx [2022-07-23 00:56:45,925 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_tx [2022-07-23 00:56:45,925 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_queryctrl [2022-07-23 00:56:45,925 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_queryctrl [2022-07-23 00:56:45,925 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_freq [2022-07-23 00:56:45,925 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_freq [2022-07-23 00:56:45,925 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_std [2022-07-23 00:56:45,925 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_std [2022-07-23 00:56:45,925 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_s_parameters [2022-07-23 00:56:45,925 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_s_parameters [2022-07-23 00:56:45,925 INFO L130 BoogieDeclarations]: Found specification of procedure to_state [2022-07-23 00:56:45,925 INFO L138 BoogieDeclarations]: Found implementation of procedure to_state [2022-07-23 00:56:45,926 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_register [2022-07-23 00:56:45,926 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_register [2022-07-23 00:56:45,926 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_register [2022-07-23 00:56:45,926 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_register [2022-07-23 00:56:45,926 INFO L130 BoogieDeclarations]: Found specification of procedure set_input [2022-07-23 00:56:45,926 INFO L138 BoogieDeclarations]: Found implementation of procedure set_input [2022-07-23 00:56:45,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 00:56:45,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 00:56:45,926 INFO L130 BoogieDeclarations]: Found specification of procedure cx23888_std_setup [2022-07-23 00:56:45,926 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23888_std_setup [2022-07-23 00:56:45,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 00:56:45,926 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-23 00:56:45,926 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-23 00:56:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 00:56:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_rx [2022-07-23 00:56:45,927 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_rx [2022-07-23 00:56:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or4 [2022-07-23 00:56:45,928 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or4 [2022-07-23 00:56:45,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tx_params_lock_of_cx25840_ir_state [2022-07-23 00:56:45,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tx_params_lock_of_cx25840_ir_state [2022-07-23 00:56:45,929 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read [2022-07-23 00:56:45,929 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read [2022-07-23 00:56:45,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-23 00:56:45,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-23 00:56:45,930 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_sliced_fmt [2022-07-23 00:56:45,930 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_sliced_fmt [2022-07-23 00:56:45,930 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2022-07-23 00:56:45,930 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2022-07-23 00:56:45,930 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_adapter_id [2022-07-23 00:56:45,930 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_adapter_id [2022-07-23 00:56:45,930 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_carrier_freq [2022-07-23 00:56:45,930 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_carrier_freq [2022-07-23 00:56:45,930 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2022-07-23 00:56:45,930 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2022-07-23 00:56:45,930 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_s_edge_detection [2022-07-23 00:56:45,930 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_s_edge_detection [2022-07-23 00:56:45,930 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-23 00:56:45,930 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-23 00:56:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read4 [2022-07-23 00:56:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read4 [2022-07-23 00:56:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_rx_params_lock_of_cx25840_ir_state [2022-07-23 00:56:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_rx_params_lock_of_cx25840_ir_state [2022-07-23 00:56:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-23 00:56:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-23 00:56:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23885 [2022-07-23 00:56:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23885 [2022-07-23 00:56:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_pulse_clocks [2022-07-23 00:56:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_pulse_clocks [2022-07-23 00:56:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23888 [2022-07-23 00:56:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23888 [2022-07-23 00:56:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23887 [2022-07-23 00:56:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23887 [2022-07-23 00:56:47,231 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 00:56:47,234 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 00:56:50,561 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 00:59:37,913 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 00:59:37,958 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 00:59:37,959 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 00:59:37,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:59:37 BoogieIcfgContainer [2022-07-23 00:59:37,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 00:59:37,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 00:59:37,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 00:59:37,974 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 00:59:37,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 12:56:40" (1/3) ... [2022-07-23 00:59:37,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@338c252b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:59:37, skipping insertion in model container [2022-07-23 00:59:37,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:56:44" (2/3) ... [2022-07-23 00:59:37,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@338c252b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:59:37, skipping insertion in model container [2022-07-23 00:59:37,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:59:37" (3/3) ... [2022-07-23 00:59:37,977 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-23 00:59:37,986 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 00:59:37,987 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 00:59:38,142 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 00:59:38,152 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@894e2c0, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@476900de [2022-07-23 00:59:38,152 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 00:59:38,180 INFO L276 IsEmpty]: Start isEmpty. Operand has 8702 states, 4997 states have (on average 1.1885131078647189) internal successors, (5939), 5043 states have internal predecessors, (5939), 3584 states have call successors, (3584), 120 states have call predecessors, (3584), 119 states have return successors, (3569), 3561 states have call predecessors, (3569), 3569 states have call successors, (3569) [2022-07-23 00:59:38,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2022-07-23 00:59:38,211 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:59:38,212 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] [2022-07-23 00:59:38,213 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:59:38,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:59:38,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1030560293, now seen corresponding path program 1 times [2022-07-23 00:59:38,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:59:38,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [719089668] [2022-07-23 00:59:38,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:59:38,233 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:59:38,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:59:38,236 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) [2022-07-23 00:59:38,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 00:59:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:59:40,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 3300 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-23 00:59:40,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:59:40,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2844 backedges. 513 proven. 0 refuted. 0 times theorem prover too weak. 2331 trivial. 0 not checked. [2022-07-23 00:59:40,861 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:59:40,862 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:59:40,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [719089668] [2022-07-23 00:59:40,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [719089668] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:59:40,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:59:40,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 00:59:40,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989872729] [2022-07-23 00:59:40,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:59:40,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-23 00:59:40,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:59:40,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-23 00:59:40,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-23 00:59:40,946 INFO L87 Difference]: Start difference. First operand has 8702 states, 4997 states have (on average 1.1885131078647189) internal successors, (5939), 5043 states have internal predecessors, (5939), 3584 states have call successors, (3584), 120 states have call predecessors, (3584), 119 states have return successors, (3569), 3561 states have call predecessors, (3569), 3569 states have call successors, (3569) 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) [2022-07-23 00:59:41,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:59:41,405 INFO L93 Difference]: Finished difference Result 17399 states and 26261 transitions. [2022-07-23 00:59:41,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-23 00:59:41,407 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 [2022-07-23 00:59:41,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:59:41,509 INFO L225 Difference]: With dead ends: 17399 [2022-07-23 00:59:41,509 INFO L226 Difference]: Without dead ends: 8680 [2022-07-23 00:59:41,600 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 [2022-07-23 00:59:41,606 INFO L413 NwaCegarLoop]: 13079 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, 13079 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 [2022-07-23 00:59:41,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13079 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 00:59:41,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8680 states. [2022-07-23 00:59:45,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8680 to 8680. [2022-07-23 00:59:45,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8680 states, 4992 states have (on average 1.1850961538461537) internal successors, (5916), 5021 states have internal predecessors, (5916), 3569 states have call successors, (3569), 119 states have call predecessors, (3569), 118 states have return successors, (3559), 3551 states have call predecessors, (3559), 3559 states have call successors, (3559) [2022-07-23 00:59:45,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8680 states to 8680 states and 13044 transitions. [2022-07-23 00:59:45,542 INFO L78 Accepts]: Start accepts. Automaton has 8680 states and 13044 transitions. Word has length 458 [2022-07-23 00:59:45,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:59:45,544 INFO L495 AbstractCegarLoop]: Abstraction has 8680 states and 13044 transitions. [2022-07-23 00:59:45,545 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) [2022-07-23 00:59:45,545 INFO L276 IsEmpty]: Start isEmpty. Operand 8680 states and 13044 transitions. [2022-07-23 00:59:45,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2022-07-23 00:59:45,560 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:59:45,561 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] [2022-07-23 00:59:45,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-23 00:59:45,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 00:59:45,776 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:59:45,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:59:45,777 INFO L85 PathProgramCache]: Analyzing trace with hash -273770679, now seen corresponding path program 1 times [2022-07-23 00:59:45,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:59:45,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [730822386] [2022-07-23 00:59:45,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:59:45,781 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:59:45,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:59:45,783 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) [2022-07-23 00:59:45,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 00:59:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:59:48,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 3300 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-23 00:59:48,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:59:49,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2844 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 2736 trivial. 0 not checked. [2022-07-23 00:59:49,651 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:59:49,651 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:59:49,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [730822386] [2022-07-23 00:59:49,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [730822386] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:59:49,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:59:49,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 00:59:49,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887441633] [2022-07-23 00:59:49,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:59:49,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 00:59:49,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:59:49,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 00:59:49,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:59:49,654 INFO L87 Difference]: Start difference. First operand 8680 states and 13044 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) [2022-07-23 00:59:52,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:59:52,968 INFO L93 Difference]: Finished difference Result 17326 states and 26059 transitions. [2022-07-23 00:59:52,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 00:59:52,969 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 [2022-07-23 00:59:52,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:59:53,059 INFO L225 Difference]: With dead ends: 17326 [2022-07-23 00:59:53,059 INFO L226 Difference]: Without dead ends: 8681 [2022-07-23 00:59:53,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 453 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-23 00:59:53,123 INFO L413 NwaCegarLoop]: 13026 mSDtfsCounter, 6 mSDsluCounter, 52063 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 65089 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-23 00:59:53,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 65089 Invalid, 142 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-23 00:59:53,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8681 states. [2022-07-23 00:59:56,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8681 to 8681. [2022-07-23 00:59:56,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8681 states, 4993 states have (on average 1.185059082715802) internal successors, (5917), 5022 states have internal predecessors, (5917), 3569 states have call successors, (3569), 119 states have call predecessors, (3569), 118 states have return successors, (3559), 3551 states have call predecessors, (3559), 3559 states have call successors, (3559) [2022-07-23 00:59:56,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8681 states to 8681 states and 13045 transitions. [2022-07-23 00:59:56,314 INFO L78 Accepts]: Start accepts. Automaton has 8681 states and 13045 transitions. Word has length 458 [2022-07-23 00:59:56,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:59:56,317 INFO L495 AbstractCegarLoop]: Abstraction has 8681 states and 13045 transitions. [2022-07-23 00:59:56,318 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) [2022-07-23 00:59:56,318 INFO L276 IsEmpty]: Start isEmpty. Operand 8681 states and 13045 transitions. [2022-07-23 00:59:56,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2022-07-23 00:59:56,327 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:59:56,327 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] [2022-07-23 00:59:56,406 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-23 00:59:56,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 00:59:56,544 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:59:56,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:59:56,544 INFO L85 PathProgramCache]: Analyzing trace with hash 2004782655, now seen corresponding path program 1 times [2022-07-23 00:59:56,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:59:56,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [391714980] [2022-07-23 00:59:56,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:59:56,548 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:59:56,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:59:56,551 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) [2022-07-23 00:59:56,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 00:59:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:59:59,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 3443 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 00:59:59,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:00:00,435 INFO L134 CoverageAnalysis]: Checked inductivity of 3091 backedges. 144 proven. 1 refuted. 0 times theorem prover too weak. 2946 trivial. 0 not checked. [2022-07-23 01:00:00,435 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:00:04,071 INFO L134 CoverageAnalysis]: Checked inductivity of 3091 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 2970 trivial. 0 not checked. [2022-07-23 01:00:04,072 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:00:04,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [391714980] [2022-07-23 01:00:04,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [391714980] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:00:04,072 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 01:00:04,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-23 01:00:04,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459184495] [2022-07-23 01:00:04,073 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 01:00:04,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-23 01:00:04,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:00:04,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-23 01:00:04,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-23 01:00:04,075 INFO L87 Difference]: Start difference. First operand 8681 states and 13045 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) [2022-07-23 01:00:09,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:00:09,942 INFO L93 Difference]: Finished difference Result 17333 states and 26067 transitions. [2022-07-23 01:00:09,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 01:00:09,944 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 [2022-07-23 01:00:09,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:00:10,046 INFO L225 Difference]: With dead ends: 17333 [2022-07-23 01:00:10,046 INFO L226 Difference]: Without dead ends: 8687 [2022-07-23 01:00:10,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 943 GetRequests, 931 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-07-23 01:00:10,101 INFO L413 NwaCegarLoop]: 13027 mSDtfsCounter, 8 mSDsluCounter, 91117 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 104144 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-23 01:00:10,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 104144 Invalid, 249 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [25 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-23 01:00:10,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8687 states. [2022-07-23 01:00:12,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8687 to 8687. [2022-07-23 01:00:12,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8687 states, 4997 states have (on average 1.1849109465679408) internal successors, (5921), 5026 states have internal predecessors, (5921), 3570 states have call successors, (3570), 120 states have call predecessors, (3570), 119 states have return successors, (3560), 3552 states have call predecessors, (3560), 3560 states have call successors, (3560) [2022-07-23 01:00:13,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8687 states to 8687 states and 13051 transitions. [2022-07-23 01:00:13,044 INFO L78 Accepts]: Start accepts. Automaton has 8687 states and 13051 transitions. Word has length 471 [2022-07-23 01:00:13,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:00:13,046 INFO L495 AbstractCegarLoop]: Abstraction has 8687 states and 13051 transitions. [2022-07-23 01:00:13,046 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) [2022-07-23 01:00:13,046 INFO L276 IsEmpty]: Start isEmpty. Operand 8687 states and 13051 transitions. [2022-07-23 01:00:13,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2022-07-23 01:00:13,056 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:00:13,056 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] [2022-07-23 01:00:13,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 01:00:13,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:00:13,276 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:00:13,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:00:13,276 INFO L85 PathProgramCache]: Analyzing trace with hash 990167561, now seen corresponding path program 2 times [2022-07-23 01:00:13,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:00:13,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2015618966] [2022-07-23 01:00:13,280 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 01:00:13,280 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:00:13,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:00:13,282 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) [2022-07-23 01:00:13,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 01:00:14,838 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 01:00:14,839 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 01:00:14,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 2045 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 01:00:14,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:00:15,538 INFO L134 CoverageAnalysis]: Checked inductivity of 3507 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3507 trivial. 0 not checked. [2022-07-23 01:00:15,538 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:00:15,538 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:00:15,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2015618966] [2022-07-23 01:00:15,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2015618966] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:00:15,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:00:15,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 01:00:15,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86960772] [2022-07-23 01:00:15,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:00:15,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:00:15,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:00:15,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:00:15,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:00:15,541 INFO L87 Difference]: Start difference. First operand 8687 states and 13051 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) [2022-07-23 01:00:17,706 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:00:18,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:00:18,615 INFO L93 Difference]: Finished difference Result 25868 states and 38881 transitions. [2022-07-23 01:00:18,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:00:18,619 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 [2022-07-23 01:00:18,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:00:18,740 INFO L225 Difference]: With dead ends: 25868 [2022-07-23 01:00:18,741 INFO L226 Difference]: Without dead ends: 17254 [2022-07-23 01:00:18,800 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 [2022-07-23 01:00:18,802 INFO L413 NwaCegarLoop]: 16578 mSDtfsCounter, 12866 mSDsluCounter, 13030 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12866 SdHoareTripleChecker+Valid, 29608 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-23 01:00:18,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12866 Valid, 29608 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-07-23 01:00:18,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17254 states. [2022-07-23 01:00:26,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17254 to 17248. [2022-07-23 01:00:26,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17248 states, 9923 states have (on average 1.1853270180388995) internal successors, (11762), 9972 states have internal predecessors, (11762), 7087 states have call successors, (7087), 238 states have call predecessors, (7087), 237 states have return successors, (7077), 7061 states have call predecessors, (7077), 7077 states have call successors, (7077) [2022-07-23 01:00:27,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17248 states to 17248 states and 25926 transitions. [2022-07-23 01:00:27,208 INFO L78 Accepts]: Start accepts. Automaton has 17248 states and 25926 transitions. Word has length 484 [2022-07-23 01:00:27,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:00:27,210 INFO L495 AbstractCegarLoop]: Abstraction has 17248 states and 25926 transitions. [2022-07-23 01:00:27,210 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) [2022-07-23 01:00:27,211 INFO L276 IsEmpty]: Start isEmpty. Operand 17248 states and 25926 transitions. [2022-07-23 01:00:27,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2022-07-23 01:00:27,215 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:00:27,215 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] [2022-07-23 01:00:27,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 01:00:27,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:00:27,436 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:00:27,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:00:27,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1513227909, now seen corresponding path program 1 times [2022-07-23 01:00:27,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:00:27,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1086870409] [2022-07-23 01:00:27,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:00:27,439 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:00:27,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:00:27,441 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) [2022-07-23 01:00:27,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 01:00:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:00:30,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 3595 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-23 01:00:30,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:00:31,862 INFO L134 CoverageAnalysis]: Checked inductivity of 3507 backedges. 204 proven. 3 refuted. 0 times theorem prover too weak. 3300 trivial. 0 not checked. [2022-07-23 01:00:31,862 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:00:36,033 INFO L134 CoverageAnalysis]: Checked inductivity of 3507 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 3324 trivial. 0 not checked. [2022-07-23 01:00:36,034 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:00:36,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1086870409] [2022-07-23 01:00:36,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1086870409] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:00:36,034 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 01:00:36,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-23 01:00:36,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994489350] [2022-07-23 01:00:36,035 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 01:00:36,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-23 01:00:36,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:00:36,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-23 01:00:36,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-23 01:00:36,037 INFO L87 Difference]: Start difference. First operand 17248 states and 25926 transitions. Second operand has 13 states, 11 states have (on average 8.909090909090908) internal successors, (98), 13 states have internal predecessors, (98), 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)