./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 762915d608ecb097448a47e33c85639d8aa65e1e4c75d703a75bd3458f3eb2ea --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 13:14:53,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 13:14:53,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 13:14:53,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 13:14:53,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 13:14:53,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 13:14:53,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 13:14:53,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 13:14:53,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 13:14:53,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 13:14:53,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 13:14:53,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 13:14:53,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 13:14:53,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 13:14:53,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 13:14:53,951 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 13:14:53,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 13:14:53,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 13:14:53,954 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 13:14:53,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 13:14:53,959 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 13:14:53,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 13:14:53,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 13:14:53,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 13:14:53,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 13:14:53,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 13:14:53,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 13:14:53,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 13:14:53,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 13:14:53,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 13:14:53,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 13:14:53,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 13:14:53,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 13:14:53,980 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 13:14:53,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 13:14:53,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 13:14:53,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 13:14:53,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 13:14:53,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 13:14:53,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 13:14:53,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 13:14:53,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 13:14:53,985 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 13:14:54,015 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 13:14:54,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 13:14:54,016 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 13:14:54,016 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 13:14:54,017 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 13:14:54,017 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 13:14:54,017 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 13:14:54,017 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 13:14:54,018 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 13:14:54,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 13:14:54,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 13:14:54,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 13:14:54,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 13:14:54,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 13:14:54,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 13:14:54,019 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 13:14:54,019 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 13:14:54,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 13:14:54,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 13:14:54,020 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 13:14:54,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 13:14:54,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:14:54,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 13:14:54,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 13:14:54,024 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 13:14:54,024 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 13:14:54,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 13:14:54,024 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 13:14:54,024 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 13:14:54,025 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 13:14:54,025 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 762915d608ecb097448a47e33c85639d8aa65e1e4c75d703a75bd3458f3eb2ea [2022-07-12 13:14:54,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 13:14:54,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 13:14:54,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 13:14:54,216 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 13:14:54,216 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 13:14:54,217 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-12 13:14:54,258 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13b546b9e/107a4874c0854275866038ac559a3796/FLAG7c6b7aa16 [2022-07-12 13:14:54,948 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 13:14:54,948 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-12 13:14:54,985 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13b546b9e/107a4874c0854275866038ac559a3796/FLAG7c6b7aa16 [2022-07-12 13:14:55,044 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13b546b9e/107a4874c0854275866038ac559a3796 [2022-07-12 13:14:55,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 13:14:55,047 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 13:14:55,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 13:14:55,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 13:14:55,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 13:14:55,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:14:55" (1/1) ... [2022-07-12 13:14:55,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d43e31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:14:55, skipping insertion in model container [2022-07-12 13:14:55,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:14:55" (1/1) ... [2022-07-12 13:14:55,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 13:14:55,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:14:55,511 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3818] [2022-07-12 13:14:57,226 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i[445730,445743] [2022-07-12 13:14:57,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:14:57,318 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 13:14:57,376 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3818] [2022-07-12 13:14:57,717 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) [2022-07-12 13:14:57,723 INFO L158 Benchmark]: Toolchain (without parser) took 2675.12ms. Allocated memory was 104.9MB in the beginning and 203.4MB in the end (delta: 98.6MB). Free memory was 63.6MB in the beginning and 86.5MB in the end (delta: -22.9MB). Peak memory consumption was 103.7MB. Max. memory is 16.1GB. [2022-07-12 13:14:57,724 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 77.6MB. Free memory was 51.9MB in the beginning and 51.9MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 13:14:57,725 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2672.25ms. Allocated memory was 104.9MB in the beginning and 203.4MB in the end (delta: 98.6MB). Free memory was 63.5MB in the beginning and 86.5MB in the end (delta: -23.0MB). Peak memory consumption was 103.7MB. Max. memory is 16.1GB. [2022-07-12 13:14:57,726 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 77.6MB. Free memory was 51.9MB in the beginning and 51.9MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2672.25ms. Allocated memory was 104.9MB in the beginning and 203.4MB in the end (delta: 98.6MB). Free memory was 63.5MB in the beginning and 86.5MB in the end (delta: -23.0MB). Peak memory consumption was 103.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 762915d608ecb097448a47e33c85639d8aa65e1e4c75d703a75bd3458f3eb2ea --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 13:14:59,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 13:14:59,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 13:14:59,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 13:14:59,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 13:14:59,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 13:14:59,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 13:14:59,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 13:14:59,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 13:14:59,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 13:14:59,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 13:14:59,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 13:14:59,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 13:14:59,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 13:14:59,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 13:14:59,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 13:14:59,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 13:14:59,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 13:14:59,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 13:14:59,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 13:14:59,234 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 13:14:59,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 13:14:59,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 13:14:59,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 13:14:59,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 13:14:59,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 13:14:59,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 13:14:59,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 13:14:59,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 13:14:59,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 13:14:59,244 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 13:14:59,244 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 13:14:59,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 13:14:59,246 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 13:14:59,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 13:14:59,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 13:14:59,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 13:14:59,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 13:14:59,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 13:14:59,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 13:14:59,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 13:14:59,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 13:14:59,257 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 13:14:59,281 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 13:14:59,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 13:14:59,281 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 13:14:59,282 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 13:14:59,282 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 13:14:59,282 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 13:14:59,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 13:14:59,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 13:14:59,283 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 13:14:59,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 13:14:59,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 13:14:59,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 13:14:59,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 13:14:59,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 13:14:59,292 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 13:14:59,292 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 13:14:59,293 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 13:14:59,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 13:14:59,293 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 13:14:59,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 13:14:59,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 13:14:59,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 13:14:59,294 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 13:14:59,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:14:59,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 13:14:59,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 13:14:59,294 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 13:14:59,295 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 13:14:59,295 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 13:14:59,295 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 13:14:59,295 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 13:14:59,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 13:14:59,296 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 13:14:59,296 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 762915d608ecb097448a47e33c85639d8aa65e1e4c75d703a75bd3458f3eb2ea [2022-07-12 13:14:59,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 13:14:59,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 13:14:59,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 13:14:59,557 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 13:14:59,558 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 13:14:59,559 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-12 13:14:59,605 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fdf8ae7a/d0d367cf1f4e4b298cd6e774c433d7c6/FLAG848b43994 [2022-07-12 13:15:00,277 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 13:15:00,277 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-12 13:15:00,323 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fdf8ae7a/d0d367cf1f4e4b298cd6e774c433d7c6/FLAG848b43994 [2022-07-12 13:15:00,585 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fdf8ae7a/d0d367cf1f4e4b298cd6e774c433d7c6 [2022-07-12 13:15:00,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 13:15:00,587 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 13:15:00,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 13:15:00,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 13:15:00,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 13:15:00,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:15:00" (1/1) ... [2022-07-12 13:15:00,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32aa0959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:15:00, skipping insertion in model container [2022-07-12 13:15:00,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:15:00" (1/1) ... [2022-07-12 13:15:00,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 13:15:00,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:15:01,042 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3818] [2022-07-12 13:15:02,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i[445730,445743] [2022-07-12 13:15:02,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:15:02,757 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 13:15:02,814 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:15:02,864 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3818] [2022-07-12 13:15:03,174 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i[445730,445743] [2022-07-12 13:15:03,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:15:03,192 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 13:15:03,265 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3818] [2022-07-12 13:15:03,607 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i[445730,445743] [2022-07-12 13:15:03,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:15:03,768 INFO L208 MainTranslator]: Completed translation [2022-07-12 13:15:03,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:15:03 WrapperNode [2022-07-12 13:15:03,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 13:15:03,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 13:15:03,770 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 13:15:03,770 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 13:15:03,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:15:03" (1/1) ... [2022-07-12 13:15:03,852 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:15:03" (1/1) ... [2022-07-12 13:15:04,044 INFO L137 Inliner]: procedures = 322, calls = 6141, calls flagged for inlining = 114, calls inlined = 111, statements flattened = 13824 [2022-07-12 13:15:04,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 13:15:04,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 13:15:04,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 13:15:04,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 13:15:04,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:15:03" (1/1) ... [2022-07-12 13:15:04,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:15:03" (1/1) ... [2022-07-12 13:15:04,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:15:03" (1/1) ... [2022-07-12 13:15:04,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:15:03" (1/1) ... [2022-07-12 13:15:04,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:15:03" (1/1) ... [2022-07-12 13:15:04,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:15:03" (1/1) ... [2022-07-12 13:15:04,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:15:03" (1/1) ... [2022-07-12 13:15:04,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 13:15:04,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 13:15:04,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 13:15:04,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 13:15:04,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:15:03" (1/1) ... [2022-07-12 13:15:04,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:15:04,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 13:15:04,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 13:15:04,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 13:15:04,515 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-12 13:15:04,516 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-12 13:15:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure to_sd [2022-07-12 13:15:04,516 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sd [2022-07-12 13:15:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_tuner [2022-07-12 13:15:04,516 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_tuner [2022-07-12 13:15:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 13:15:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 13:15:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ctrl [2022-07-12 13:15:04,517 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ctrl [2022-07-12 13:15:04,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 13:15:04,517 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_s_parameters [2022-07-12 13:15:04,517 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_s_parameters [2022-07-12 13:15:04,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 13:15:04,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 13:15:04,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 13:15:04,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 13:15:04,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 13:15:04,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 13:15:04,518 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 13:15:04,518 INFO L130 BoogieDeclarations]: Found specification of procedure input_change [2022-07-12 13:15:04,518 INFO L138 BoogieDeclarations]: Found implementation of procedure input_change [2022-07-12 13:15:04,518 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_g_parameters [2022-07-12 13:15:04,518 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_g_parameters [2022-07-12 13:15:04,518 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_querymenu [2022-07-12 13:15:04,518 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_querymenu [2022-07-12 13:15:04,519 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-12 13:15:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-12 13:15:04,519 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_probe [2022-07-12 13:15:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_probe [2022-07-12 13:15:04,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 13:15:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 13:15:04,519 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-12 13:15:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-12 13:15:04,520 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_shutdown [2022-07-12 13:15:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_shutdown [2022-07-12 13:15:04,520 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2388x [2022-07-12 13:15:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2388x [2022-07-12 13:15:04,520 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_tuner [2022-07-12 13:15:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_tuner [2022-07-12 13:15:04,520 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2583x [2022-07-12 13:15:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2583x [2022-07-12 13:15:04,521 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 13:15:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 13:15:04,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 13:15:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 13:15:04,522 INFO L130 BoogieDeclarations]: Found specification of procedure to_ir_state [2022-07-12 13:15:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure to_ir_state [2022-07-12 13:15:04,522 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_enable [2022-07-12 13:15:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_enable [2022-07-12 13:15:04,523 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-07-12 13:15:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-07-12 13:15:04,523 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_ns [2022-07-12 13:15:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_ns [2022-07-12 13:15:04,523 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-12 13:15:04,524 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-12 13:15:04,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 13:15:04,524 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 13:15:04,524 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 13:15:04,524 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 13:15:04,524 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_freq_to_clock_divider [2022-07-12 13:15:04,524 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_freq_to_clock_divider [2022-07-12 13:15:04,524 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_demodulation_enable [2022-07-12 13:15:04,525 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_demodulation_enable [2022-07-12 13:15:04,525 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 13:15:04,525 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 13:15:04,525 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_work_handler [2022-07-12 13:15:04,525 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_work_handler [2022-07-12 13:15:04,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 13:15:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 13:15:04,526 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 13:15:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write [2022-07-12 13:15:04,526 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write [2022-07-12 13:15:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 13:15:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2022-07-12 13:15:04,526 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2022-07-12 13:15:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2022-07-12 13:15:04,526 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2022-07-12 13:15:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-07-12 13:15:04,527 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-07-12 13:15:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 13:15:04,527 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 13:15:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure set_volume [2022-07-12 13:15:04,528 INFO L138 BoogieDeclarations]: Found implementation of procedure set_volume [2022-07-12 13:15:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_sliced_fmt [2022-07-12 13:15:04,528 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_sliced_fmt [2022-07-12 13:15:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_initialize [2022-07-12 13:15:04,528 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_initialize [2022-07-12 13:15:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 13:15:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ext_ctrls [2022-07-12 13:15:04,529 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ext_ctrls [2022-07-12 13:15:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 13:15:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 13:15:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 13:15:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 13:15:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 13:15:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_notify [2022-07-12 13:15:04,530 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_notify [2022-07-12 13:15:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 13:15:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 13:15:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-12 13:15:04,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-12 13:15:04,531 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-12 13:15:04,531 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-12 13:15:04,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-12 13:15:04,531 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-12 13:15:04,531 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-12 13:15:04,532 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-12 13:15:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-12 13:15:04,534 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-12 13:15:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2022-07-12 13:15:04,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2022-07-12 13:15:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_resolution [2022-07-12 13:15:04,535 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_resolution [2022-07-12 13:15:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-12 13:15:04,536 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-12 13:15:04,536 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_try_ext_ctrls [2022-07-12 13:15:04,536 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_try_ext_ctrls [2022-07-12 13:15:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-12 13:15:04,540 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-12 13:15:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-12 13:15:04,540 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-12 13:15:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure cx25836_initialize [2022-07-12 13:15:04,540 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25836_initialize [2022-07-12 13:15:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write4 [2022-07-12 13:15:04,541 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write4 [2022-07-12 13:15:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ext_ctrls [2022-07-12 13:15:04,541 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ext_ctrls [2022-07-12 13:15:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_frequency [2022-07-12 13:15:04,541 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_frequency [2022-07-12 13:15:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_std_setup [2022-07-12 13:15:04,541 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_std_setup [2022-07-12 13:15:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_tx [2022-07-12 13:15:04,541 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_tx [2022-07-12 13:15:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-07-12 13:15:04,541 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-07-12 13:15:04,542 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_queryctrl [2022-07-12 13:15:04,542 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_queryctrl [2022-07-12 13:15:04,542 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_modulation_enable [2022-07-12 13:15:04,542 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_modulation_enable [2022-07-12 13:15:04,542 INFO L130 BoogieDeclarations]: Found specification of procedure cx23885_initialize [2022-07-12 13:15:04,542 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23885_initialize [2022-07-12 13:15:04,542 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_raw_fmt [2022-07-12 13:15:04,542 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_raw_fmt [2022-07-12 13:15:04,542 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_freq [2022-07-12 13:15:04,542 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_freq [2022-07-12 13:15:04,543 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_std [2022-07-12 13:15:04,543 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_std [2022-07-12 13:15:04,543 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or [2022-07-12 13:15:04,543 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or [2022-07-12 13:15:04,543 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ctrl [2022-07-12 13:15:04,543 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ctrl [2022-07-12 13:15:04,543 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_s_parameters [2022-07-12 13:15:04,543 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_s_parameters [2022-07-12 13:15:04,543 INFO L130 BoogieDeclarations]: Found specification of procedure to_state [2022-07-12 13:15:04,543 INFO L138 BoogieDeclarations]: Found implementation of procedure to_state [2022-07-12 13:15:04,543 INFO L130 BoogieDeclarations]: Found specification of procedure set_audclk_freq [2022-07-12 13:15:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure set_audclk_freq [2022-07-12 13:15:04,544 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_register [2022-07-12 13:15:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_register [2022-07-12 13:15:04,544 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_register [2022-07-12 13:15:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_register [2022-07-12 13:15:04,544 INFO L130 BoogieDeclarations]: Found specification of procedure set_input [2022-07-12 13:15:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure set_input [2022-07-12 13:15:04,544 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_g_parameters [2022-07-12 13:15:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_g_parameters [2022-07-12 13:15:04,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 13:15:04,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 13:15:04,545 INFO L130 BoogieDeclarations]: Found specification of procedure cx23888_std_setup [2022-07-12 13:15:04,545 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23888_std_setup [2022-07-12 13:15:04,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 13:15:04,545 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_initialize [2022-07-12 13:15:04,545 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_initialize [2022-07-12 13:15:04,545 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-12 13:15:04,545 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-12 13:15:04,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 13:15:04,545 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-12 13:15:04,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-12 13:15:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_rx [2022-07-12 13:15:04,546 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_rx [2022-07-12 13:15:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or4 [2022-07-12 13:15:04,546 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or4 [2022-07-12 13:15:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-12 13:15:04,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-12 13:15:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_input_status [2022-07-12 13:15:04,546 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_input_status [2022-07-12 13:15:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure lpf_count_to_ns [2022-07-12 13:15:04,546 INFO L138 BoogieDeclarations]: Found implementation of procedure lpf_count_to_ns [2022-07-12 13:15:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_set_audclk_freq [2022-07-12 13:15:04,547 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_set_audclk_freq [2022-07-12 13:15:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read [2022-07-12 13:15:04,547 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read [2022-07-12 13:15:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 13:15:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_us [2022-07-12 13:15:04,547 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_us [2022-07-12 13:15:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-12 13:15:04,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-12 13:15:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 13:15:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 13:15:04,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 13:15:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 13:15:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 13:15:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_sliced_fmt [2022-07-12 13:15:04,548 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_sliced_fmt [2022-07-12 13:15:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2022-07-12 13:15:04,548 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2022-07-12 13:15:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 13:15:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 13:15:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-07-12 13:15:04,548 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-07-12 13:15:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 13:15:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_name [2022-07-12 13:15:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_name [2022-07-12 13:15:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_decode_vbi_line [2022-07-12 13:15:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_decode_vbi_line [2022-07-12 13:15:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_adapter_id [2022-07-12 13:15:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_adapter_id [2022-07-12 13:15:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_carrier_freq [2022-07-12 13:15:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_carrier_freq [2022-07-12 13:15:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_clocks_to_clock_divider [2022-07-12 13:15:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_clocks_to_clock_divider [2022-07-12 13:15:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx231xx [2022-07-12 13:15:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx231xx [2022-07-12 13:15:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2022-07-12 13:15:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2022-07-12 13:15:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_s_edge_detection [2022-07-12 13:15:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_s_edge_detection [2022-07-12 13:15:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-07-12 13:15:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-07-12 13:15:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_probe [2022-07-12 13:15:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_probe [2022-07-12 13:15:04,551 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-12 13:15:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-12 13:15:04,551 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-12 13:15:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-12 13:15:04,552 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read4 [2022-07-12 13:15:04,554 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read4 [2022-07-12 13:15:04,554 INFO L130 BoogieDeclarations]: Found specification of procedure odd_parity [2022-07-12 13:15:04,554 INFO L138 BoogieDeclarations]: Found implementation of procedure odd_parity [2022-07-12 13:15:04,554 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_enable [2022-07-12 13:15:04,554 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_enable [2022-07-12 13:15:04,554 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-12 13:15:04,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-12 13:15:04,555 INFO L130 BoogieDeclarations]: Found specification of procedure filter_rx_s_min_width [2022-07-12 13:15:04,555 INFO L138 BoogieDeclarations]: Found implementation of procedure filter_rx_s_min_width [2022-07-12 13:15:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 13:15:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_shutdown [2022-07-12 13:15:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_shutdown [2022-07-12 13:15:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-12 13:15:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-12 13:15:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-12 13:15:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-12 13:15:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23885 [2022-07-12 13:15:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23885 [2022-07-12 13:15:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 13:15:04,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 13:15:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_pulse_clocks [2022-07-12 13:15:04,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_pulse_clocks [2022-07-12 13:15:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23888 [2022-07-12 13:15:04,557 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23888 [2022-07-12 13:15:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23887 [2022-07-12 13:15:04,557 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23887 [2022-07-12 13:15:05,681 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 13:15:05,683 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 13:15:09,287 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 13:17:53,118 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 13:17:53,156 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 13:17:53,157 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 13:17:53,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:17:53 BoogieIcfgContainer [2022-07-12 13:17:53,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 13:17:53,168 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 13:17:53,168 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 13:17:53,170 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 13:17:53,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 01:15:00" (1/3) ... [2022-07-12 13:17:53,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a7681f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:17:53, skipping insertion in model container [2022-07-12 13:17:53,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:15:03" (2/3) ... [2022-07-12 13:17:53,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a7681f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:17:53, skipping insertion in model container [2022-07-12 13:17:53,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:17:53" (3/3) ... [2022-07-12 13:17:53,173 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-12 13:17:53,186 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 13:17:53,186 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 13:17:53,341 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 13:17:53,345 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@153b56ba, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@200f5c6 [2022-07-12 13:17:53,345 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 13:17:53,365 INFO L276 IsEmpty]: Start isEmpty. Operand has 8650 states, 4970 states have (on average 1.1877263581488933) internal successors, (5903), 5007 states have internal predecessors, (5903), 3563 states have call successors, (3563), 116 states have call predecessors, (3563), 115 states have return successors, (3548), 3540 states have call predecessors, (3548), 3548 states have call successors, (3548) [2022-07-12 13:17:53,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2022-07-12 13:17:53,397 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:17:53,399 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] [2022-07-12 13:17:53,400 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:17:53,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:17:53,404 INFO L85 PathProgramCache]: Analyzing trace with hash 2043482198, now seen corresponding path program 1 times [2022-07-12 13:17:53,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:17:53,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [34861033] [2022-07-12 13:17:53,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:17:53,419 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:17:53,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:17:53,421 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:17:53,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 13:17:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:17:55,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 3295 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-12 13:17:55,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:17:55,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2844 backedges. 513 proven. 0 refuted. 0 times theorem prover too weak. 2331 trivial. 0 not checked. [2022-07-12 13:17:55,687 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:17:55,688 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:17:55,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [34861033] [2022-07-12 13:17:55,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [34861033] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:17:55,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:17:55,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 13:17:55,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089657388] [2022-07-12 13:17:55,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:17:55,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 13:17:55,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:17:55,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 13:17:55,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 13:17:55,742 INFO L87 Difference]: Start difference. First operand has 8650 states, 4970 states have (on average 1.1877263581488933) internal successors, (5903), 5007 states have internal predecessors, (5903), 3563 states have call successors, (3563), 116 states have call predecessors, (3563), 115 states have return successors, (3548), 3540 states have call predecessors, (3548), 3548 states have call successors, (3548) Second operand has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-12 13:17:56,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:17:56,311 INFO L93 Difference]: Finished difference Result 17295 states and 26077 transitions. [2022-07-12 13:17:56,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 13:17:56,313 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 [2022-07-12 13:17:56,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:17:56,389 INFO L225 Difference]: With dead ends: 17295 [2022-07-12 13:17:56,389 INFO L226 Difference]: Without dead ends: 8628 [2022-07-12 13:17:56,447 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 [2022-07-12 13:17:56,451 INFO L413 NwaCegarLoop]: 13010 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13010 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 13:17:56,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13010 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 13:17:56,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8628 states. [2022-07-12 13:17:59,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8628 to 8628. [2022-07-12 13:17:59,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8628 states, 4965 states have (on average 1.1842900302114803) internal successors, (5880), 4985 states have internal predecessors, (5880), 3548 states have call successors, (3548), 115 states have call predecessors, (3548), 114 states have return successors, (3547), 3539 states have call predecessors, (3547), 3547 states have call successors, (3547) [2022-07-12 13:17:59,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8628 states to 8628 states and 12975 transitions. [2022-07-12 13:17:59,669 INFO L78 Accepts]: Start accepts. Automaton has 8628 states and 12975 transitions. Word has length 458 [2022-07-12 13:17:59,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:17:59,671 INFO L495 AbstractCegarLoop]: Abstraction has 8628 states and 12975 transitions. [2022-07-12 13:17:59,671 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) [2022-07-12 13:17:59,671 INFO L276 IsEmpty]: Start isEmpty. Operand 8628 states and 12975 transitions. [2022-07-12 13:17:59,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2022-07-12 13:17:59,682 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:17:59,683 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] [2022-07-12 13:17:59,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 13:17:59,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:17:59,904 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:17:59,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:17:59,904 INFO L85 PathProgramCache]: Analyzing trace with hash 739151226, now seen corresponding path program 1 times [2022-07-12 13:17:59,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:17:59,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1784127981] [2022-07-12 13:17:59,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:17:59,907 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:17:59,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:17:59,908 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:17:59,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 13:18:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:18:02,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 3295 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-12 13:18:02,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:18:02,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2844 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 2736 trivial. 0 not checked. [2022-07-12 13:18:02,700 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:18:02,710 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:18:02,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1784127981] [2022-07-12 13:18:02,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1784127981] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:18:02,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:18:02,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 13:18:02,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609282247] [2022-07-12 13:18:02,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:18:02,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 13:18:02,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:18:02,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 13:18:02,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 13:18:02,713 INFO L87 Difference]: Start difference. First operand 8628 states and 12975 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-12 13:18:05,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:18:05,602 INFO L93 Difference]: Finished difference Result 17222 states and 25921 transitions. [2022-07-12 13:18:05,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 13:18:05,603 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 [2022-07-12 13:18:05,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:18:05,776 INFO L225 Difference]: With dead ends: 17222 [2022-07-12 13:18:05,776 INFO L226 Difference]: Without dead ends: 8629 [2022-07-12 13:18:05,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 453 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-12 13:18:05,823 INFO L413 NwaCegarLoop]: 12957 mSDtfsCounter, 6 mSDsluCounter, 51787 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 64744 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-12 13:18:05,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 64744 Invalid, 142 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-12 13:18:05,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8629 states. [2022-07-12 13:18:08,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8629 to 8629. [2022-07-12 13:18:08,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8629 states, 4966 states have (on average 1.184252919855014) internal successors, (5881), 4986 states have internal predecessors, (5881), 3548 states have call successors, (3548), 115 states have call predecessors, (3548), 114 states have return successors, (3547), 3539 states have call predecessors, (3547), 3547 states have call successors, (3547) [2022-07-12 13:18:08,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8629 states to 8629 states and 12976 transitions. [2022-07-12 13:18:08,592 INFO L78 Accepts]: Start accepts. Automaton has 8629 states and 12976 transitions. Word has length 458 [2022-07-12 13:18:08,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:18:08,595 INFO L495 AbstractCegarLoop]: Abstraction has 8629 states and 12976 transitions. [2022-07-12 13:18:08,595 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) [2022-07-12 13:18:08,596 INFO L276 IsEmpty]: Start isEmpty. Operand 8629 states and 12976 transitions. [2022-07-12 13:18:08,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2022-07-12 13:18:08,602 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:18:08,602 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] [2022-07-12 13:18:08,658 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 13:18:08,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:18:08,828 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:18:08,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:18:08,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1444156937, now seen corresponding path program 1 times [2022-07-12 13:18:08,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:18:08,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [958472079] [2022-07-12 13:18:08,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:18:08,830 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:18:08,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:18:08,832 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:18:08,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 13:18:10,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:18:11,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 3438 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-12 13:18:11,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:18:11,996 INFO L134 CoverageAnalysis]: Checked inductivity of 3091 backedges. 144 proven. 1 refuted. 0 times theorem prover too weak. 2946 trivial. 0 not checked. [2022-07-12 13:18:11,996 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 13:18:15,003 INFO L134 CoverageAnalysis]: Checked inductivity of 3091 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 2970 trivial. 0 not checked. [2022-07-12 13:18:15,003 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:18:15,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [958472079] [2022-07-12 13:18:15,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [958472079] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 13:18:15,004 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 13:18:15,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-12 13:18:15,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639236336] [2022-07-12 13:18:15,004 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 13:18:15,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 13:18:15,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:18:15,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 13:18:15,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-12 13:18:15,008 INFO L87 Difference]: Start difference. First operand 8629 states and 12976 transitions. Second operand has 11 states, 9 states have (on average 10.333333333333334) internal successors, (93), 11 states have internal predecessors, (93), 4 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (50), 4 states have call predecessors, (50), 4 states have call successors, (50) [2022-07-12 13:18:19,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:18:19,006 INFO L93 Difference]: Finished difference Result 17229 states and 25929 transitions. [2022-07-12 13:18:19,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 13:18:19,007 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 [2022-07-12 13:18:19,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:18:19,072 INFO L225 Difference]: With dead ends: 17229 [2022-07-12 13:18:19,073 INFO L226 Difference]: Without dead ends: 8635 [2022-07-12 13:18:19,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 943 GetRequests, 931 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-07-12 13:18:19,111 INFO L413 NwaCegarLoop]: 12958 mSDtfsCounter, 10 mSDsluCounter, 64744 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 77702 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-12 13:18:19,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 77702 Invalid, 200 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-12 13:18:19,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8635 states. [2022-07-12 13:18:21,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8635 to 8635. [2022-07-12 13:18:21,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8635 states, 4970 states have (on average 1.1841046277665996) internal successors, (5885), 4990 states have internal predecessors, (5885), 3549 states have call successors, (3549), 116 states have call predecessors, (3549), 115 states have return successors, (3548), 3540 states have call predecessors, (3548), 3548 states have call successors, (3548) [2022-07-12 13:18:21,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8635 states to 8635 states and 12982 transitions. [2022-07-12 13:18:21,755 INFO L78 Accepts]: Start accepts. Automaton has 8635 states and 12982 transitions. Word has length 471 [2022-07-12 13:18:21,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:18:21,757 INFO L495 AbstractCegarLoop]: Abstraction has 8635 states and 12982 transitions. [2022-07-12 13:18:21,757 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) [2022-07-12 13:18:21,757 INFO L276 IsEmpty]: Start isEmpty. Operand 8635 states and 12982 transitions. [2022-07-12 13:18:21,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2022-07-12 13:18:21,763 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:18:21,763 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] [2022-07-12 13:18:21,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 13:18:21,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:18:21,992 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:18:21,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:18:21,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1704583322, now seen corresponding path program 2 times [2022-07-12 13:18:21,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:18:21,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [868952137] [2022-07-12 13:18:21,994 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 13:18:21,994 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:18:21,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:18:21,996 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) [2022-07-12 13:18:21,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 13:18:23,562 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 13:18:23,563 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 13:18:23,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 2040 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 13:18:23,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:18:24,185 INFO L134 CoverageAnalysis]: Checked inductivity of 3507 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3507 trivial. 0 not checked. [2022-07-12 13:18:24,185 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:18:24,185 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:18:24,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [868952137] [2022-07-12 13:18:24,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [868952137] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:18:24,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:18:24,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 13:18:24,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714217149] [2022-07-12 13:18:24,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:18:24,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 13:18:24,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:18:24,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 13:18:24,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 13:18:24,187 INFO L87 Difference]: Start difference. First operand 8635 states and 12982 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2022-07-12 13:18:26,330 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:18:27,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:18:27,037 INFO L93 Difference]: Finished difference Result 25720 states and 38688 transitions. [2022-07-12 13:18:27,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 13:18:27,038 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 [2022-07-12 13:18:27,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:18:27,136 INFO L225 Difference]: With dead ends: 25720 [2022-07-12 13:18:27,137 INFO L226 Difference]: Without dead ends: 17158 [2022-07-12 13:18:27,183 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 [2022-07-12 13:18:27,185 INFO L413 NwaCegarLoop]: 16496 mSDtfsCounter, 12811 mSDsluCounter, 12961 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12811 SdHoareTripleChecker+Valid, 29457 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-12 13:18:27,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12811 Valid, 29457 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-07-12 13:18:27,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17158 states. [2022-07-12 13:18:34,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17158 to 17158. [2022-07-12 13:18:34,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17158 states, 9874 states have (on average 1.1849301195057726) internal successors, (11700), 9914 states have internal predecessors, (11700), 7054 states have call successors, (7054), 230 states have call predecessors, (7054), 229 states have return successors, (7053), 7037 states have call predecessors, (7053), 7053 states have call successors, (7053) [2022-07-12 13:18:34,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17158 states to 17158 states and 25807 transitions. [2022-07-12 13:18:34,761 INFO L78 Accepts]: Start accepts. Automaton has 17158 states and 25807 transitions. Word has length 484 [2022-07-12 13:18:34,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:18:34,763 INFO L495 AbstractCegarLoop]: Abstraction has 17158 states and 25807 transitions. [2022-07-12 13:18:34,763 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) [2022-07-12 13:18:34,764 INFO L276 IsEmpty]: Start isEmpty. Operand 17158 states and 25807 transitions. [2022-07-12 13:18:34,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2022-07-12 13:18:34,769 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:18:34,769 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] [2022-07-12 13:18:34,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 13:18:34,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:18:34,984 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:18:34,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:18:34,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1122531750, now seen corresponding path program 1 times [2022-07-12 13:18:34,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:18:34,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [95281190] [2022-07-12 13:18:34,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:18:34,986 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:18:34,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:18:34,988 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) [2022-07-12 13:18:34,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 13:18:37,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:18:37,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 3590 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-12 13:18:37,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:18:38,388 INFO L134 CoverageAnalysis]: Checked inductivity of 3507 backedges. 204 proven. 3 refuted. 0 times theorem prover too weak. 3300 trivial. 0 not checked. [2022-07-12 13:18:38,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 13:18:42,151 INFO L134 CoverageAnalysis]: Checked inductivity of 3507 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 3324 trivial. 0 not checked. [2022-07-12 13:18:42,152 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:18:42,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [95281190] [2022-07-12 13:18:42,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [95281190] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 13:18:42,152 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 13:18:42,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-12 13:18:42,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091958961] [2022-07-12 13:18:42,152 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 13:18:42,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-12 13:18:42,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:18:42,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-12 13:18:42,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-12 13:18:42,154 INFO L87 Difference]: Start difference. First operand 17158 states and 25807 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) [2022-07-12 13:18:46,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:18:46,945 INFO L93 Difference]: Finished difference Result 34291 states and 51605 transitions. [2022-07-12 13:18:46,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-12 13:18:46,946 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 [2022-07-12 13:18:46,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:18:47,041 INFO L225 Difference]: With dead ends: 34291 [2022-07-12 13:18:47,041 INFO L226 Difference]: Without dead ends: 17160 [2022-07-12 13:18:47,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 975 GetRequests, 961 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2022-07-12 13:18:47,133 INFO L413 NwaCegarLoop]: 12958 mSDtfsCounter, 13 mSDsluCounter, 90653 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 103611 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-07-12 13:18:47,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 103611 Invalid, 259 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [35 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-07-12 13:18:47,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17160 states. [2022-07-12 13:18:54,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17160 to 17160. [2022-07-12 13:18:54,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17160 states, 9876 states have (on average 1.1848926690968002) internal successors, (11702), 9916 states have internal predecessors, (11702), 7054 states have call successors, (7054), 230 states have call predecessors, (7054), 229 states have return successors, (7053), 7037 states have call predecessors, (7053), 7053 states have call successors, (7053) [2022-07-12 13:18:54,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17160 states to 17160 states and 25809 transitions. [2022-07-12 13:18:54,830 INFO L78 Accepts]: Start accepts. Automaton has 17160 states and 25809 transitions. Word has length 487 [2022-07-12 13:18:54,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:18:54,831 INFO L495 AbstractCegarLoop]: Abstraction has 17160 states and 25809 transitions. [2022-07-12 13:18:54,831 INFO L496 AbstractCegarLoop]: INTERPOLANT 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) [2022-07-12 13:18:54,831 INFO L276 IsEmpty]: Start isEmpty. Operand 17160 states and 25809 transitions. [2022-07-12 13:18:54,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2022-07-12 13:18:54,835 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:18:54,835 INFO L195 NwaCegarLoop]: trace histogram [39, 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] [2022-07-12 13:18:54,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 13:18:55,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:18:55,060 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:18:55,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:18:55,060 INFO L85 PathProgramCache]: Analyzing trace with hash -788487683, now seen corresponding path program 2 times [2022-07-12 13:18:55,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:18:55,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [473845772] [2022-07-12 13:18:55,062 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 13:18:55,062 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:18:55,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:18:55,064 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:18:55,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 13:18:56,733 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 13:18:56,733 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 13:18:56,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 2049 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 13:18:56,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:19:11,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4092 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4092 trivial. 0 not checked. [2022-07-12 13:19:11,876 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:19:11,876 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:19:11,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [473845772] [2022-07-12 13:19:11,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [473845772] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:19:11,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:19:11,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 13:19:11,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374486401] [2022-07-12 13:19:11,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:19:11,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 13:19:11,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:19:11,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 13:19:11,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 13:19:11,878 INFO L87 Difference]: Start difference. First operand 17160 states and 25809 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 2 states have internal predecessors, (76), 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)