./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 35987657 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-?-3598765 [2022-07-21 12:13:19,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 12:13:19,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 12:13:19,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 12:13:19,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 12:13:19,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 12:13:19,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 12:13:19,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 12:13:19,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 12:13:19,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 12:13:19,822 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 12:13:19,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 12:13:19,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 12:13:19,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 12:13:19,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 12:13:19,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 12:13:19,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 12:13:19,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 12:13:19,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 12:13:19,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 12:13:19,841 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 12:13:19,841 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 12:13:19,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 12:13:19,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 12:13:19,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 12:13:19,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 12:13:19,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 12:13:19,849 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 12:13:19,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 12:13:19,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 12:13:19,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 12:13:19,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 12:13:19,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 12:13:19,852 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 12:13:19,853 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 12:13:19,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 12:13:19,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 12:13:19,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 12:13:19,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 12:13:19,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 12:13:19,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 12:13:19,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 12:13:19,858 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 12:13:19,889 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 12:13:19,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 12:13:19,890 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 12:13:19,890 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 12:13:19,891 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 12:13:19,891 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 12:13:19,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 12:13:19,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 12:13:19,892 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 12:13:19,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 12:13:19,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 12:13:19,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 12:13:19,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 12:13:19,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 12:13:19,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 12:13:19,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 12:13:19,893 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 12:13:19,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 12:13:19,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 12:13:19,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 12:13:19,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 12:13:19,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:13:19,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 12:13:19,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 12:13:19,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 12:13:19,895 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 12:13:19,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 12:13:19,895 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 12:13:19,895 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 12:13:19,895 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 12:13:19,895 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d63f3d312d028079695bf95fa29efe98b168bcd1b57f8b32c4056bb2f52ae36f [2022-07-21 12:13:20,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 12:13:20,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 12:13:20,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 12:13:20,261 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 12:13:20,261 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 12:13:20,263 INFO L432 ainManager$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 [2022-07-21 12:13:20,309 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d411891a/446aa9b2ff4043b19bb3a9b4edd43433/FLAG519b5632f [2022-07-21 12:13:21,150 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 12:13:21,151 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 [2022-07-21 12:13:21,195 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d411891a/446aa9b2ff4043b19bb3a9b4edd43433/FLAG519b5632f [2022-07-21 12:13:21,340 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d411891a/446aa9b2ff4043b19bb3a9b4edd43433 [2022-07-21 12:13:21,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 12:13:21,346 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 12:13:21,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 12:13:21,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 12:13:21,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 12:13:21,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:13:21" (1/1) ... [2022-07-21 12:13:21,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12c5398c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:13:21, skipping insertion in model container [2022-07-21 12:13:21,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:13:21" (1/1) ... [2022-07-21 12:13:21,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 12:13:21,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:13:21,868 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3810] [2022-07-21 12:13:24,133 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] [2022-07-21 12:13:24,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:13:24,472 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 12:13:24,537 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3810] [2022-07-21 12:13:24,972 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) [2022-07-21 12:13:24,978 INFO L158 Benchmark]: Toolchain (without parser) took 3631.72ms. Allocated memory was 58.7MB in the beginning and 195.0MB in the end (delta: 136.3MB). Free memory was 29.8MB in the beginning and 79.6MB in the end (delta: -49.8MB). Peak memory consumption was 99.0MB. Max. memory is 16.1GB. [2022-07-21 12:13:24,979 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 58.7MB. Free memory was 41.3MB in the beginning and 41.3MB in the end (delta: 50.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 12:13:24,980 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3629.93ms. Allocated memory was 58.7MB in the beginning and 195.0MB in the end (delta: 136.3MB). Free memory was 29.6MB in the beginning and 79.6MB in the end (delta: -50.0MB). Peak memory consumption was 99.0MB. Max. memory is 16.1GB. [2022-07-21 12:13:24,981 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 58.7MB. Free memory was 41.3MB in the beginning and 41.3MB in the end (delta: 50.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3629.93ms. Allocated memory was 58.7MB in the beginning and 195.0MB in the end (delta: 136.3MB). Free memory was 29.6MB in the beginning and 79.6MB in the end (delta: -50.0MB). Peak memory consumption was 99.0MB. 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-?-3598765 [2022-07-21 12:13:27,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 12:13:27,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 12:13:27,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 12:13:27,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 12:13:27,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 12:13:27,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 12:13:27,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 12:13:27,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 12:13:27,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 12:13:27,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 12:13:27,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 12:13:27,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 12:13:27,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 12:13:27,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 12:13:27,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 12:13:27,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 12:13:27,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 12:13:27,704 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 12:13:27,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 12:13:27,709 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 12:13:27,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 12:13:27,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 12:13:27,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 12:13:27,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 12:13:27,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 12:13:27,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 12:13:27,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 12:13:27,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 12:13:27,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 12:13:27,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 12:13:27,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 12:13:27,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 12:13:27,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 12:13:27,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 12:13:27,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 12:13:27,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 12:13:27,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 12:13:27,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 12:13:27,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 12:13:27,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 12:13:27,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 12:13:27,744 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 12:13:27,786 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 12:13:27,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 12:13:27,787 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 12:13:27,787 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 12:13:27,787 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 12:13:27,788 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 12:13:27,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 12:13:27,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 12:13:27,788 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 12:13:27,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 12:13:27,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 12:13:27,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 12:13:27,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 12:13:27,790 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 12:13:27,790 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 12:13:27,790 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 12:13:27,790 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 12:13:27,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 12:13:27,790 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 12:13:27,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 12:13:27,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 12:13:27,791 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 12:13:27,791 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 12:13:27,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:13:27,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 12:13:27,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 12:13:27,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 12:13:27,808 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 12:13:27,808 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 12:13:27,808 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 12:13:27,809 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 12:13:27,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 12:13:27,809 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 12:13:27,809 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d63f3d312d028079695bf95fa29efe98b168bcd1b57f8b32c4056bb2f52ae36f [2022-07-21 12:13:28,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 12:13:28,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 12:13:28,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 12:13:28,322 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 12:13:28,323 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 12:13:28,325 INFO L432 ainManager$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 [2022-07-21 12:13:28,413 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4f5f9a67/ff158725edea4196afa9bc868d67b10d/FLAG583bf5c98 [2022-07-21 12:13:29,616 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 12:13:29,617 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 [2022-07-21 12:13:29,709 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4f5f9a67/ff158725edea4196afa9bc868d67b10d/FLAG583bf5c98 [2022-07-21 12:13:29,884 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4f5f9a67/ff158725edea4196afa9bc868d67b10d [2022-07-21 12:13:29,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 12:13:29,887 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 12:13:29,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 12:13:29,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 12:13:29,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 12:13:29,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:13:29" (1/1) ... [2022-07-21 12:13:29,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67a11a83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:13:29, skipping insertion in model container [2022-07-21 12:13:29,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:13:29" (1/1) ... [2022-07-21 12:13:29,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 12:13:30,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:13:30,800 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3810] [2022-07-21 12:13:33,877 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] [2022-07-21 12:13:34,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:13:34,233 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 12:13:34,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:13:34,358 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3810] [2022-07-21 12:13:34,674 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] [2022-07-21 12:13:34,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:13:34,701 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 12:13:34,755 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3810] [2022-07-21 12:13:35,082 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] [2022-07-21 12:13:35,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:13:35,244 INFO L208 MainTranslator]: Completed translation [2022-07-21 12:13:35,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:13:35 WrapperNode [2022-07-21 12:13:35,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 12:13:35,246 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 12:13:35,246 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 12:13:35,246 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 12:13:35,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:13:35" (1/1) ... [2022-07-21 12:13:35,323 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:13:35" (1/1) ... [2022-07-21 12:13:35,498 INFO L137 Inliner]: procedures = 442, calls = 6361, calls flagged for inlining = 129, calls inlined = 123, statements flattened = 13972 [2022-07-21 12:13:35,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 12:13:35,499 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 12:13:35,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 12:13:35,499 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 12:13:35,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:13:35" (1/1) ... [2022-07-21 12:13:35,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:13:35" (1/1) ... [2022-07-21 12:13:35,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:13:35" (1/1) ... [2022-07-21 12:13:35,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:13:35" (1/1) ... [2022-07-21 12:13:35,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:13:35" (1/1) ... [2022-07-21 12:13:35,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:13:35" (1/1) ... [2022-07-21 12:13:35,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:13:35" (1/1) ... [2022-07-21 12:13:35,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 12:13:35,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 12:13:35,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 12:13:35,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 12:13:35,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:13:35" (1/1) ... [2022-07-21 12:13:35,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:13:35,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 12:13:35,873 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) [2022-07-21 12:13:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-21 12:13:35,928 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-21 12:13:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure to_sd [2022-07-21 12:13:35,928 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sd [2022-07-21 12:13:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_tuner [2022-07-21 12:13:35,928 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_tuner [2022-07-21 12:13:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 12:13:35,928 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 12:13:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 12:13:35,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 12:13:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2388x [2022-07-21 12:13:35,929 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2388x [2022-07-21 12:13:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_tuner [2022-07-21 12:13:35,929 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_tuner [2022-07-21 12:13:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2583x [2022-07-21 12:13:35,929 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2583x [2022-07-21 12:13:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure to_ir_state [2022-07-21 12:13:35,930 INFO L138 BoogieDeclarations]: Found implementation of procedure to_ir_state [2022-07-21 12:13:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-07-21 12:13:35,930 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-07-21 12:13:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_ns [2022-07-21 12:13:35,930 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_ns [2022-07-21 12:13:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 12:13:35,930 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 12:13:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2022-07-21 12:13:35,931 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2022-07-21 12:13:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-07-21 12:13:35,931 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-07-21 12:13:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 12:13:35,931 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 12:13:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_sliced_fmt [2022-07-21 12:13:35,931 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_sliced_fmt [2022-07-21 12:13:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 12:13:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 12:13:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 12:13:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2022-07-21 12:13:35,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2022-07-21 12:13:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_resolution [2022-07-21 12:13:35,908 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 [2022-07-21 12:13:35,933 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_resolution [2022-07-21 12:13:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-21 12:13:35,933 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-21 12:13:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure cx25836_initialize [2022-07-21 12:13:35,933 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25836_initialize [2022-07-21 12:13:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write4 [2022-07-21 12:13:35,933 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write4 [2022-07-21 12:13:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ext_ctrls [2022-07-21 12:13:35,934 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ext_ctrls [2022-07-21 12:13:35,934 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_frequency [2022-07-21 12:13:35,934 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_frequency [2022-07-21 12:13:35,934 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_std_setup [2022-07-21 12:13:35,934 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_std_setup [2022-07-21 12:13:35,934 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-07-21 12:13:35,934 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-07-21 12:13:35,934 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_modulation_enable [2022-07-21 12:13:35,934 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_modulation_enable [2022-07-21 12:13:35,935 INFO L130 BoogieDeclarations]: Found specification of procedure cx23885_initialize [2022-07-21 12:13:35,935 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23885_initialize [2022-07-21 12:13:35,935 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_raw_fmt [2022-07-21 12:13:35,935 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_raw_fmt [2022-07-21 12:13:35,935 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or [2022-07-21 12:13:35,935 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or [2022-07-21 12:13:35,935 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ctrl [2022-07-21 12:13:35,935 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ctrl [2022-07-21 12:13:35,935 INFO L130 BoogieDeclarations]: Found specification of procedure set_audclk_freq [2022-07-21 12:13:35,936 INFO L138 BoogieDeclarations]: Found implementation of procedure set_audclk_freq [2022-07-21 12:13:35,936 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_g_parameters [2022-07-21 12:13:35,936 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_g_parameters [2022-07-21 12:13:35,936 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_initialize [2022-07-21 12:13:35,936 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_initialize [2022-07-21 12:13:35,936 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-21 12:13:35,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-21 12:13:35,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tx_params_lock_of_cx25840_ir_state [2022-07-21 12:13:35,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tx_params_lock_of_cx25840_ir_state [2022-07-21 12:13:35,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-21 12:13:35,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-21 12:13:35,937 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_input_status [2022-07-21 12:13:35,937 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_input_status [2022-07-21 12:13:35,937 INFO L130 BoogieDeclarations]: Found specification of procedure lpf_count_to_ns [2022-07-21 12:13:35,937 INFO L138 BoogieDeclarations]: Found implementation of procedure lpf_count_to_ns [2022-07-21 12:13:35,937 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_set_audclk_freq [2022-07-21 12:13:35,937 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_set_audclk_freq [2022-07-21 12:13:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 12:13:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_us [2022-07-21 12:13:35,938 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_us [2022-07-21 12:13:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 12:13:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 12:13:35,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 12:13:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 12:13:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 12:13:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 12:13:35,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 12:13:35,939 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-07-21 12:13:35,939 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-07-21 12:13:35,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 12:13:35,939 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_name [2022-07-21 12:13:35,939 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_name [2022-07-21 12:13:35,939 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_decode_vbi_line [2022-07-21 12:13:35,939 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_decode_vbi_line [2022-07-21 12:13:35,940 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_clocks_to_clock_divider [2022-07-21 12:13:35,940 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_clocks_to_clock_divider [2022-07-21 12:13:35,940 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx231xx [2022-07-21 12:13:35,940 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx231xx [2022-07-21 12:13:35,940 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-07-21 12:13:35,940 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-07-21 12:13:35,940 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_probe [2022-07-21 12:13:35,940 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_probe [2022-07-21 12:13:35,940 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-21 12:13:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-21 12:13:35,941 INFO L130 BoogieDeclarations]: Found specification of procedure odd_parity [2022-07-21 12:13:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure odd_parity [2022-07-21 12:13:35,941 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_enable [2022-07-21 12:13:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_enable [2022-07-21 12:13:35,941 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-21 12:13:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-21 12:13:35,941 INFO L130 BoogieDeclarations]: Found specification of procedure filter_rx_s_min_width [2022-07-21 12:13:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure filter_rx_s_min_width [2022-07-21 12:13:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 12:13:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_shutdown [2022-07-21 12:13:35,942 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_shutdown [2022-07-21 12:13:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-21 12:13:35,942 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-21 12:13:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 12:13:35,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 12:13:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 12:13:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 12:13:35,943 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ctrl [2022-07-21 12:13:35,943 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ctrl [2022-07-21 12:13:35,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 12:13:35,943 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_s_parameters [2022-07-21 12:13:35,943 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_s_parameters [2022-07-21 12:13:35,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 12:13:35,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 12:13:35,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 12:13:35,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 12:13:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 12:13:35,944 INFO L130 BoogieDeclarations]: Found specification of procedure input_change [2022-07-21 12:13:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure input_change [2022-07-21 12:13:35,944 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_g_parameters [2022-07-21 12:13:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_g_parameters [2022-07-21 12:13:35,944 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_querymenu [2022-07-21 12:13:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_querymenu [2022-07-21 12:13:35,944 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-21 12:13:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-21 12:13:35,945 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_probe [2022-07-21 12:13:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_probe [2022-07-21 12:13:35,945 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-21 12:13:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-21 12:13:35,945 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_shutdown [2022-07-21 12:13:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_shutdown [2022-07-21 12:13:35,945 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 12:13:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 12:13:35,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 12:13:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 12:13:35,946 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_enable [2022-07-21 12:13:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_enable [2022-07-21 12:13:35,946 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-21 12:13:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-21 12:13:35,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 12:13:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 12:13:35,946 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 12:13:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 12:13:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_freq_to_clock_divider [2022-07-21 12:13:35,947 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_freq_to_clock_divider [2022-07-21 12:13:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_demodulation_enable [2022-07-21 12:13:35,947 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_demodulation_enable [2022-07-21 12:13:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-21 12:13:35,947 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-21 12:13:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_work_handler [2022-07-21 12:13:35,947 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_work_handler [2022-07-21 12:13:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 12:13:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 12:13:35,948 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 12:13:35,948 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write [2022-07-21 12:13:35,948 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write [2022-07-21 12:13:35,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 12:13:35,948 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2022-07-21 12:13:35,948 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2022-07-21 12:13:35,948 INFO L130 BoogieDeclarations]: Found specification of procedure set_volume [2022-07-21 12:13:35,948 INFO L138 BoogieDeclarations]: Found implementation of procedure set_volume [2022-07-21 12:13:35,948 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_initialize [2022-07-21 12:13:35,949 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_initialize [2022-07-21 12:13:35,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 12:13:35,949 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ext_ctrls [2022-07-21 12:13:35,949 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ext_ctrls [2022-07-21 12:13:35,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 12:13:35,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 12:13:35,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 12:13:35,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 12:13:35,949 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_notify [2022-07-21 12:13:35,950 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_notify [2022-07-21 12:13:35,950 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-21 12:13:35,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-21 12:13:35,950 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-21 12:13:35,950 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-21 12:13:35,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-21 12:13:35,950 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-21 12:13:35,950 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-21 12:13:35,950 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-21 12:13:35,950 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-21 12:13:35,951 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-21 12:13:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_try_ext_ctrls [2022-07-21 12:13:35,951 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_try_ext_ctrls [2022-07-21 12:13:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-21 12:13:35,951 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-21 12:13:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_rx_params_lock_of_cx25840_ir_state [2022-07-21 12:13:35,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_rx_params_lock_of_cx25840_ir_state [2022-07-21 12:13:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_tx [2022-07-21 12:13:35,951 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_tx [2022-07-21 12:13:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_queryctrl [2022-07-21 12:13:35,952 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_queryctrl [2022-07-21 12:13:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_freq [2022-07-21 12:13:35,952 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_freq [2022-07-21 12:13:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_std [2022-07-21 12:13:35,952 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_std [2022-07-21 12:13:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_s_parameters [2022-07-21 12:13:35,952 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_s_parameters [2022-07-21 12:13:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure to_state [2022-07-21 12:13:35,952 INFO L138 BoogieDeclarations]: Found implementation of procedure to_state [2022-07-21 12:13:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_register [2022-07-21 12:13:35,953 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_register [2022-07-21 12:13:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_register [2022-07-21 12:13:35,953 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_register [2022-07-21 12:13:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure set_input [2022-07-21 12:13:35,953 INFO L138 BoogieDeclarations]: Found implementation of procedure set_input [2022-07-21 12:13:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 12:13:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 12:13:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure cx23888_std_setup [2022-07-21 12:13:35,954 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23888_std_setup [2022-07-21 12:13:35,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 12:13:35,954 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-21 12:13:35,954 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-21 12:13:35,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 12:13:35,954 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_rx [2022-07-21 12:13:35,954 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_rx [2022-07-21 12:13:35,954 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or4 [2022-07-21 12:13:35,954 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or4 [2022-07-21 12:13:35,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tx_params_lock_of_cx25840_ir_state [2022-07-21 12:13:35,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tx_params_lock_of_cx25840_ir_state [2022-07-21 12:13:35,955 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read [2022-07-21 12:13:35,955 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read [2022-07-21 12:13:35,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-21 12:13:35,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-21 12:13:35,955 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_sliced_fmt [2022-07-21 12:13:35,955 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_sliced_fmt [2022-07-21 12:13:35,955 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2022-07-21 12:13:35,956 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2022-07-21 12:13:35,956 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_adapter_id [2022-07-21 12:13:35,956 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_adapter_id [2022-07-21 12:13:35,956 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_carrier_freq [2022-07-21 12:13:35,956 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_carrier_freq [2022-07-21 12:13:35,956 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2022-07-21 12:13:35,956 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2022-07-21 12:13:35,956 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_s_edge_detection [2022-07-21 12:13:35,956 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_s_edge_detection [2022-07-21 12:13:35,957 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-21 12:13:35,957 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-21 12:13:35,957 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read4 [2022-07-21 12:13:35,957 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read4 [2022-07-21 12:13:35,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_rx_params_lock_of_cx25840_ir_state [2022-07-21 12:13:35,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_rx_params_lock_of_cx25840_ir_state [2022-07-21 12:13:35,957 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-21 12:13:35,957 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-21 12:13:35,957 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23885 [2022-07-21 12:13:35,958 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23885 [2022-07-21 12:13:35,958 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_pulse_clocks [2022-07-21 12:13:35,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_pulse_clocks [2022-07-21 12:13:35,958 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23888 [2022-07-21 12:13:35,958 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23888 [2022-07-21 12:13:35,958 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23887 [2022-07-21 12:13:35,958 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23887 [2022-07-21 12:13:37,075 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 12:13:37,078 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 12:13:40,347 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 12:16:49,428 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 12:16:49,480 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 12:16:49,486 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 12:16:49,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:16:49 BoogieIcfgContainer [2022-07-21 12:16:49,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 12:16:49,507 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 12:16:49,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 12:16:49,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 12:16:49,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:13:29" (1/3) ... [2022-07-21 12:16:49,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5871263a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:16:49, skipping insertion in model container [2022-07-21 12:16:49,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:13:35" (2/3) ... [2022-07-21 12:16:49,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5871263a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:16:49, skipping insertion in model container [2022-07-21 12:16:49,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:16:49" (3/3) ... [2022-07-21 12:16:49,526 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-21 12:16:49,551 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 12:16:49,551 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 12:16:49,852 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 12:16:49,873 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@62252f75, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5be2e2a2 [2022-07-21 12:16:49,873 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 12:16:49,916 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) [2022-07-21 12:16:49,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2022-07-21 12:16:49,987 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:16:49,989 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] [2022-07-21 12:16:49,989 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:16:49,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:16:49,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1030560293, now seen corresponding path program 1 times [2022-07-21 12:16:50,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:16:50,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [262155995] [2022-07-21 12:16:50,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:16:50,026 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:16:50,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:16:50,042 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) [2022-07-21 12:16:50,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 12:16:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:16:53,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 3300 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-21 12:16:53,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:16:53,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2844 backedges. 513 proven. 0 refuted. 0 times theorem prover too weak. 2331 trivial. 0 not checked. [2022-07-21 12:16:53,781 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:16:53,782 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:16:53,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [262155995] [2022-07-21 12:16:53,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [262155995] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:16:53,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:16:53,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 12:16:53,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898346528] [2022-07-21 12:16:53,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:16:53,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 12:16:53,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:16:53,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 12:16:53,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 12:16:53,893 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) [2022-07-21 12:16:54,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:16:54,792 INFO L93 Difference]: Finished difference Result 17399 states and 26261 transitions. [2022-07-21 12:16:54,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 12:16:54,794 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 [2022-07-21 12:16:54,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:16:54,979 INFO L225 Difference]: With dead ends: 17399 [2022-07-21 12:16:54,988 INFO L226 Difference]: Without dead ends: 8680 [2022-07-21 12:16:55,139 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 [2022-07-21 12:16:55,159 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, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 12:16:55,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13079 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 12:16:55,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8680 states. [2022-07-21 12:16:59,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8680 to 8680. [2022-07-21 12:16:59,591 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) [2022-07-21 12:16:59,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8680 states to 8680 states and 13044 transitions. [2022-07-21 12:16:59,768 INFO L78 Accepts]: Start accepts. Automaton has 8680 states and 13044 transitions. Word has length 458 [2022-07-21 12:16:59,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:16:59,769 INFO L495 AbstractCegarLoop]: Abstraction has 8680 states and 13044 transitions. [2022-07-21 12:16:59,770 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) [2022-07-21 12:16:59,770 INFO L276 IsEmpty]: Start isEmpty. Operand 8680 states and 13044 transitions. [2022-07-21 12:16:59,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2022-07-21 12:16:59,795 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:16:59,795 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] [2022-07-21 12:16:59,910 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 12:17:00,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:17:00,012 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:17:00,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:17:00,013 INFO L85 PathProgramCache]: Analyzing trace with hash -273770679, now seen corresponding path program 1 times [2022-07-21 12:17:00,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:17:00,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1317719426] [2022-07-21 12:17:00,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:17:00,016 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:17:00,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:17:00,032 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) [2022-07-21 12:17:00,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 12:17:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:17:04,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 3300 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 12:17:04,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:17:05,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2844 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 2736 trivial. 0 not checked. [2022-07-21 12:17:05,259 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:17:05,260 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:17:05,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1317719426] [2022-07-21 12:17:05,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1317719426] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:17:05,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:17:05,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:17:05,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860463137] [2022-07-21 12:17:05,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:17:05,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:17:05,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:17:05,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:17:05,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:17:05,277 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) [2022-07-21 12:17:10,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:17:10,447 INFO L93 Difference]: Finished difference Result 17326 states and 26059 transitions. [2022-07-21 12:17:10,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 12:17:10,448 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 [2022-07-21 12:17:10,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:17:10,596 INFO L225 Difference]: With dead ends: 17326 [2022-07-21 12:17:10,611 INFO L226 Difference]: Without dead ends: 8681 [2022-07-21 12:17:10,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 453 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-21 12:17:10,717 INFO L413 NwaCegarLoop]: 13026 mSDtfsCounter, 6 mSDsluCounter, 52063 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 65089 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-21 12:17:10,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 65089 Invalid, 142 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [16 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-07-21 12:17:10,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8681 states. [2022-07-21 12:17:13,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8681 to 8681. [2022-07-21 12:17:13,796 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) [2022-07-21 12:17:13,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8681 states to 8681 states and 13045 transitions. [2022-07-21 12:17:13,926 INFO L78 Accepts]: Start accepts. Automaton has 8681 states and 13045 transitions. Word has length 458 [2022-07-21 12:17:13,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:17:13,929 INFO L495 AbstractCegarLoop]: Abstraction has 8681 states and 13045 transitions. [2022-07-21 12:17:13,930 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) [2022-07-21 12:17:13,930 INFO L276 IsEmpty]: Start isEmpty. Operand 8681 states and 13045 transitions. [2022-07-21 12:17:13,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2022-07-21 12:17:13,936 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:17:13,936 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] [2022-07-21 12:17:14,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 12:17:14,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:17:14,168 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:17:14,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:17:14,168 INFO L85 PathProgramCache]: Analyzing trace with hash 2004782655, now seen corresponding path program 1 times [2022-07-21 12:17:14,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:17:14,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [516010884] [2022-07-21 12:17:14,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:17:14,172 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:17:14,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:17:14,176 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) [2022-07-21 12:17:14,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 12:17:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:17:18,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 3443 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 12:17:18,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:17:19,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3091 backedges. 144 proven. 1 refuted. 0 times theorem prover too weak. 2946 trivial. 0 not checked. [2022-07-21 12:17:19,568 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 12:17:23,631 INFO L134 CoverageAnalysis]: Checked inductivity of 3091 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 2970 trivial. 0 not checked. [2022-07-21 12:17:23,632 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:17:23,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [516010884] [2022-07-21 12:17:23,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [516010884] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 12:17:23,632 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 12:17:23,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-21 12:17:23,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836652013] [2022-07-21 12:17:23,633 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 12:17:23,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 12:17:23,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:17:23,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 12:17:23,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-21 12:17:23,637 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) [2022-07-21 12:17:31,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:17:31,268 INFO L93 Difference]: Finished difference Result 17333 states and 26067 transitions. [2022-07-21 12:17:31,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 12:17:31,270 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 [2022-07-21 12:17:31,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:17:31,421 INFO L225 Difference]: With dead ends: 17333 [2022-07-21 12:17:31,421 INFO L226 Difference]: Without dead ends: 8687 [2022-07-21 12:17:31,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 943 GetRequests, 931 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-07-21 12:17:31,521 INFO L413 NwaCegarLoop]: 13027 mSDtfsCounter, 8 mSDsluCounter, 91117 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 104144 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-07-21 12:17:31,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 104144 Invalid, 249 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [25 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-07-21 12:17:31,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8687 states. [2022-07-21 12:17:34,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8687 to 8687. [2022-07-21 12:17:34,580 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) [2022-07-21 12:17:34,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8687 states to 8687 states and 13051 transitions. [2022-07-21 12:17:34,676 INFO L78 Accepts]: Start accepts. Automaton has 8687 states and 13051 transitions. Word has length 471 [2022-07-21 12:17:34,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:17:34,684 INFO L495 AbstractCegarLoop]: Abstraction has 8687 states and 13051 transitions. [2022-07-21 12:17:34,685 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) [2022-07-21 12:17:34,685 INFO L276 IsEmpty]: Start isEmpty. Operand 8687 states and 13051 transitions. [2022-07-21 12:17:34,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2022-07-21 12:17:34,707 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:17:34,708 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] [2022-07-21 12:17:34,813 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 12:17:34,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:17:34,928 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:17:34,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:17:34,928 INFO L85 PathProgramCache]: Analyzing trace with hash 990167561, now seen corresponding path program 2 times [2022-07-21 12:17:34,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:17:34,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [374012705] [2022-07-21 12:17:34,931 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 12:17:34,931 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:17:34,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:17:34,951 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) [2022-07-21 12:17:34,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 12:17:36,916 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 12:17:36,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 12:17:36,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 2045 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 12:17:36,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:17:37,731 INFO L134 CoverageAnalysis]: Checked inductivity of 3507 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3507 trivial. 0 not checked. [2022-07-21 12:17:37,731 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:17:37,731 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:17:37,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [374012705] [2022-07-21 12:17:37,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [374012705] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:17:37,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:17:37,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 12:17:37,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541624319] [2022-07-21 12:17:37,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:17:37,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 12:17:37,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:17:37,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 12:17:37,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 12:17:37,733 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) [2022-07-21 12:17:39,902 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:17:41,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:17:41,273 INFO L93 Difference]: Finished difference Result 25868 states and 38881 transitions. [2022-07-21 12:17:41,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 12:17:41,274 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 [2022-07-21 12:17:41,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:17:41,532 INFO L225 Difference]: With dead ends: 25868 [2022-07-21 12:17:41,533 INFO L226 Difference]: Without dead ends: 17254 [2022-07-21 12:17:41,661 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 [2022-07-21 12:17:41,674 INFO L413 NwaCegarLoop]: 16578 mSDtfsCounter, 12866 mSDsluCounter, 13030 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12866 SdHoareTripleChecker+Valid, 29608 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-21 12:17:41,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12866 Valid, 29608 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2022-07-21 12:17:41,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17254 states. [2022-07-21 12:17:49,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17254 to 17248. [2022-07-21 12:17:49,421 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) [2022-07-21 12:17:49,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17248 states to 17248 states and 25926 transitions. [2022-07-21 12:17:49,680 INFO L78 Accepts]: Start accepts. Automaton has 17248 states and 25926 transitions. Word has length 484 [2022-07-21 12:17:49,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:17:49,682 INFO L495 AbstractCegarLoop]: Abstraction has 17248 states and 25926 transitions. [2022-07-21 12:17:49,682 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) [2022-07-21 12:17:49,683 INFO L276 IsEmpty]: Start isEmpty. Operand 17248 states and 25926 transitions. [2022-07-21 12:17:49,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2022-07-21 12:17:49,687 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:17:49,687 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] [2022-07-21 12:17:49,717 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-21 12:17:49,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:17:49,904 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:17:49,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:17:49,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1513227909, now seen corresponding path program 1 times [2022-07-21 12:17:49,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:17:49,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1310996885] [2022-07-21 12:17:49,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:17:49,906 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:17:49,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:17:49,928 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) [2022-07-21 12:17:49,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 12:17:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:17:53,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 3595 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 12:17:53,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:17:54,436 INFO L134 CoverageAnalysis]: Checked inductivity of 3507 backedges. 204 proven. 3 refuted. 0 times theorem prover too weak. 3300 trivial. 0 not checked. [2022-07-21 12:17:54,437 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 12:17:58,670 INFO L134 CoverageAnalysis]: Checked inductivity of 3507 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 3324 trivial. 0 not checked. [2022-07-21 12:17:58,670 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:17:58,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1310996885] [2022-07-21 12:17:58,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1310996885] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 12:17:58,671 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 12:17:58,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-21 12:17:58,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077065770] [2022-07-21 12:17:58,671 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 12:17:58,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-21 12:17:58,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:17:58,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-21 12:17:58,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-21 12:17:58,673 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) [2022-07-21 12:18:05,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:18:05,509 INFO L93 Difference]: Finished difference Result 34471 states and 51843 transitions. [2022-07-21 12:18:05,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 12:18:05,510 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 487 [2022-07-21 12:18:05,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:18:05,599 INFO L225 Difference]: With dead ends: 34471 [2022-07-21 12:18:05,599 INFO L226 Difference]: Without dead ends: 17250 [2022-07-21 12:18:05,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 975 GetRequests, 961 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2022-07-21 12:18:05,677 INFO L413 NwaCegarLoop]: 13027 mSDtfsCounter, 9 mSDsluCounter, 130172 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 143199 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-07-21 12:18:05,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 143199 Invalid, 343 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [27 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-07-21 12:18:05,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17250 states.