./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-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.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 7e5652ce767ff2e1bcbd3f583f8e33ee2c54a0e67349cc7d1c1f8d74e875d01c --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 12:44:59,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 12:44:59,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 12:44:59,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 12:44:59,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 12:44:59,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 12:44:59,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 12:44:59,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 12:44:59,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 12:44:59,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 12:44:59,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 12:44:59,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 12:44:59,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 12:44:59,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 12:44:59,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 12:44:59,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 12:44:59,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 12:44:59,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 12:44:59,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 12:44:59,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 12:44:59,907 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 12:44:59,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 12:44:59,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 12:44:59,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 12:44:59,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 12:44:59,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 12:44:59,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 12:44:59,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 12:44:59,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 12:44:59,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 12:44:59,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 12:44:59,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 12:44:59,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 12:44:59,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 12:44:59,928 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 12:44:59,929 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 12:44:59,929 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 12:44:59,930 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 12:44:59,930 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 12:44:59,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 12:44:59,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 12:44:59,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 12:44:59,937 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 12:44:59,961 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 12:44:59,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 12:44:59,962 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 12:44:59,962 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 12:44:59,963 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 12:44:59,963 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 12:44:59,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 12:44:59,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 12:44:59,964 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 12:44:59,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 12:44:59,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 12:44:59,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 12:44:59,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 12:44:59,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 12:44:59,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 12:44:59,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 12:44:59,966 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 12:44:59,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 12:44:59,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 12:44:59,966 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 12:44:59,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 12:44:59,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:44:59,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 12:44:59,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 12:44:59,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 12:44:59,967 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 12:44:59,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 12:44:59,968 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 12:44:59,968 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 12:44:59,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 12:44:59,968 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e5652ce767ff2e1bcbd3f583f8e33ee2c54a0e67349cc7d1c1f8d74e875d01c [2022-07-21 12:45:00,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 12:45:00,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 12:45:00,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 12:45:00,266 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 12:45:00,266 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 12:45:00,267 INFO L432 ainManager$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-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i [2022-07-21 12:45:00,330 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80e96c590/c7f161ccbe8b4f5da5715eb76e49cfc5/FLAGce3f73953 [2022-07-21 12:45:01,012 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 12:45:01,013 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i [2022-07-21 12:45:01,049 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80e96c590/c7f161ccbe8b4f5da5715eb76e49cfc5/FLAGce3f73953 [2022-07-21 12:45:01,093 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80e96c590/c7f161ccbe8b4f5da5715eb76e49cfc5 [2022-07-21 12:45:01,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 12:45:01,096 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 12:45:01,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 12:45:01,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 12:45:01,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 12:45:01,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:45:01" (1/1) ... [2022-07-21 12:45:01,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70c9aab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:45:01, skipping insertion in model container [2022-07-21 12:45:01,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:45:01" (1/1) ... [2022-07-21 12:45:01,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 12:45:01,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:45:03,441 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-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i[418024,418037] [2022-07-21 12:45:03,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:45:03,548 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 12:45:03,676 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: cmd = (unsigned int )cmd & 64510U [8505] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-21 12:45:03,680 INFO L158 Benchmark]: Toolchain (without parser) took 2582.70ms. Allocated memory was 58.7MB in the beginning and 136.3MB in the end (delta: 77.6MB). Free memory was 31.5MB in the beginning and 50.7MB in the end (delta: -19.2MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. [2022-07-21 12:45:03,680 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 58.7MB. Free memory was 40.5MB in the beginning and 40.5MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 12:45:03,680 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2580.63ms. Allocated memory was 58.7MB in the beginning and 136.3MB in the end (delta: 77.6MB). Free memory was 31.3MB in the beginning and 50.7MB in the end (delta: -19.4MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. [2022-07-21 12:45:03,681 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 58.7MB. Free memory was 40.5MB in the beginning and 40.5MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2580.63ms. Allocated memory was 58.7MB in the beginning and 136.3MB in the end (delta: 77.6MB). Free memory was 31.3MB in the beginning and 50.7MB in the end (delta: -19.4MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: cmd = (unsigned int )cmd & 64510U [8505] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: cmd = (unsigned int )cmd & 64510U [8505]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) 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-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.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 7e5652ce767ff2e1bcbd3f583f8e33ee2c54a0e67349cc7d1c1f8d74e875d01c --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 12:45:05,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 12:45:05,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 12:45:05,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 12:45:05,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 12:45:05,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 12:45:05,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 12:45:05,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 12:45:05,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 12:45:05,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 12:45:05,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 12:45:05,101 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 12:45:05,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 12:45:05,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 12:45:05,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 12:45:05,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 12:45:05,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 12:45:05,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 12:45:05,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 12:45:05,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 12:45:05,114 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 12:45:05,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 12:45:05,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 12:45:05,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 12:45:05,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 12:45:05,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 12:45:05,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 12:45:05,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 12:45:05,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 12:45:05,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 12:45:05,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 12:45:05,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 12:45:05,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 12:45:05,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 12:45:05,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 12:45:05,136 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 12:45:05,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 12:45:05,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 12:45:05,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 12:45:05,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 12:45:05,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 12:45:05,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 12:45:05,145 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 12:45:05,168 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 12:45:05,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 12:45:05,168 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 12:45:05,169 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 12:45:05,169 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 12:45:05,169 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 12:45:05,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 12:45:05,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 12:45:05,170 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 12:45:05,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 12:45:05,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 12:45:05,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 12:45:05,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 12:45:05,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 12:45:05,172 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 12:45:05,172 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 12:45:05,172 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 12:45:05,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 12:45:05,172 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 12:45:05,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 12:45:05,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 12:45:05,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 12:45:05,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 12:45:05,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:45:05,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 12:45:05,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 12:45:05,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 12:45:05,174 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 12:45:05,174 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 12:45:05,174 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 12:45:05,174 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 12:45:05,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 12:45:05,175 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 12:45:05,175 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e5652ce767ff2e1bcbd3f583f8e33ee2c54a0e67349cc7d1c1f8d74e875d01c [2022-07-21 12:45:05,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 12:45:05,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 12:45:05,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 12:45:05,468 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 12:45:05,469 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 12:45:05,470 INFO L432 ainManager$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-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i [2022-07-21 12:45:05,525 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ca9d8b05/3b29dd0000284289ab6fd0bf3c4db838/FLAGa8c9a2e67 [2022-07-21 12:45:06,140 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 12:45:06,140 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i [2022-07-21 12:45:06,188 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ca9d8b05/3b29dd0000284289ab6fd0bf3c4db838/FLAGa8c9a2e67 [2022-07-21 12:45:06,250 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ca9d8b05/3b29dd0000284289ab6fd0bf3c4db838 [2022-07-21 12:45:06,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 12:45:06,254 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 12:45:06,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 12:45:06,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 12:45:06,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 12:45:06,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:45:06" (1/1) ... [2022-07-21 12:45:06,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fea291b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:45:06, skipping insertion in model container [2022-07-21 12:45:06,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:45:06" (1/1) ... [2022-07-21 12:45:06,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 12:45:06,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:45:08,627 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-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i[418024,418037] [2022-07-21 12:45:08,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:45:08,707 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 12:45:08,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:45:08,992 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-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i[418024,418037] [2022-07-21 12:45:08,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:45:09,016 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 12:45:09,313 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-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i[418024,418037] [2022-07-21 12:45:09,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:45:09,449 INFO L208 MainTranslator]: Completed translation [2022-07-21 12:45:09,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:45:09 WrapperNode [2022-07-21 12:45:09,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 12:45:09,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 12:45:09,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 12:45:09,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 12:45:09,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:45:09" (1/1) ... [2022-07-21 12:45:09,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:45:09" (1/1) ... [2022-07-21 12:45:09,689 INFO L137 Inliner]: procedures = 479, calls = 3161, calls flagged for inlining = 208, calls inlined = 193, statements flattened = 7239 [2022-07-21 12:45:09,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 12:45:09,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 12:45:09,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 12:45:09,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 12:45:09,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:45:09" (1/1) ... [2022-07-21 12:45:09,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:45:09" (1/1) ... [2022-07-21 12:45:09,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:45:09" (1/1) ... [2022-07-21 12:45:09,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:45:09" (1/1) ... [2022-07-21 12:45:09,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:45:09" (1/1) ... [2022-07-21 12:45:09,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:45:09" (1/1) ... [2022-07-21 12:45:09,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:45:09" (1/1) ... [2022-07-21 12:45:09,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 12:45:09,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 12:45:09,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 12:45:09,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 12:45:09,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:45:09" (1/1) ... [2022-07-21 12:45:09,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:45:09,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 12:45:09,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 12:45:09,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 12:45:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-21 12:45:09,977 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-21 12:45:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 12:45:09,977 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 12:45:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2022-07-21 12:45:09,977 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2022-07-21 12:45:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 12:45:09,977 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 12:45:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2022-07-21 12:45:09,977 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2022-07-21 12:45:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-21 12:45:09,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-21 12:45:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 12:45:09,978 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 12:45:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-21 12:45:09,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-21 12:45:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 12:45:09,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 12:45:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2022-07-21 12:45:09,979 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2022-07-21 12:45:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-07-21 12:45:09,979 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-07-21 12:45:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_error_detected [2022-07-21 12:45:09,979 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_error_detected [2022-07-21 12:45:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_change_mtu [2022-07-21 12:45:09,979 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_change_mtu [2022-07-21 12:45:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-07-21 12:45:09,979 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-07-21 12:45:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-21 12:45:09,980 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-21 12:45:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 12:45:09,980 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 12:45:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 12:45:09,980 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 12:45:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 12:45:09,981 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 12:45:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2022-07-21 12:45:09,981 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2022-07-21 12:45:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2022-07-21 12:45:09,981 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2022-07-21 12:45:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 12:45:09,981 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 12:45:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2022-07-21 12:45:09,982 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2022-07-21 12:45:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 12:45:09,982 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 12:45:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-21 12:45:09,982 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-21 12:45:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 12:45:09,983 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 12:45:09,983 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 12:45:09,983 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 12:45:09,984 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2022-07-21 12:45:09,984 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2022-07-21 12:45:09,984 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-21 12:45:09,984 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-21 12:45:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-21 12:45:09,985 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-21 12:45:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 12:45:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-07-21 12:45:09,985 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-07-21 12:45:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-21 12:45:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 12:45:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 12:45:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 12:45:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2022-07-21 12:45:09,986 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2022-07-21 12:45:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-21 12:45:09,986 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-21 12:45:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2022-07-21 12:45:09,987 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2022-07-21 12:45:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-21 12:45:09,987 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-21 12:45:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 12:45:09,987 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 12:45:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 12:45:09,987 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 12:45:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2022-07-21 12:45:09,988 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2022-07-21 12:45:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 12:45:09,988 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 12:45:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 12:45:09,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 12:45:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2022-07-21 12:45:09,988 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2022-07-21 12:45:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_task [2022-07-21 12:45:09,989 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_task [2022-07-21 12:45:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 12:45:09,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 12:45:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 12:45:09,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 12:45:09,990 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-21 12:45:09,990 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-21 12:45:09,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 12:45:09,991 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 12:45:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-21 12:45:09,991 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-21 12:45:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-07-21 12:45:09,991 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-07-21 12:45:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-21 12:45:09,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-21 12:45:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2022-07-21 12:45:09,991 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2022-07-21 12:45:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-21 12:45:09,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-21 12:45:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 12:45:09,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 12:45:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2022-07-21 12:45:09,992 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2022-07-21 12:45:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-21 12:45:09,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-21 12:45:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 12:45:09,995 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2022-07-21 12:45:09,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2022-07-21 12:45:09,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 12:45:09,995 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-21 12:45:09,995 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-21 12:45:09,996 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_fix_features [2022-07-21 12:45:09,996 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_fix_features [2022-07-21 12:45:09,996 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 12:45:09,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 12:45:10,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 12:45:10,001 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 12:45:10,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 12:45:10,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 12:45:10,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 12:45:10,001 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-21 12:45:10,001 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-21 12:45:10,001 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2022-07-21 12:45:10,001 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2022-07-21 12:45:10,001 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-07-21 12:45:10,002 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-07-21 12:45:10,002 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-21 12:45:10,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-21 12:45:10,002 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2022-07-21 12:45:10,002 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2022-07-21 12:45:10,002 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-21 12:45:10,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-21 12:45:10,002 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-21 12:45:10,002 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-21 12:45:10,002 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 12:45:10,003 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 12:45:10,003 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2022-07-21 12:45:10,003 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2022-07-21 12:45:10,003 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_stats [2022-07-21 12:45:10,003 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_stats [2022-07-21 12:45:10,003 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-07-21 12:45:10,003 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-07-21 12:45:10,003 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-21 12:45:10,003 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-21 12:45:10,003 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 12:45:10,004 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 12:45:10,004 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2022-07-21 12:45:10,004 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2022-07-21 12:45:10,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 12:45:10,004 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-21 12:45:10,004 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-21 12:45:10,004 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-07-21 12:45:10,004 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-07-21 12:45:10,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 12:45:10,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 12:45:10,005 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-21 12:45:10,005 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-21 12:45:10,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 12:45:10,005 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 12:45:10,005 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 12:45:10,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 12:45:10,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 12:45:10,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 12:45:10,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 12:45:10,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 12:45:10,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 12:45:10,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 12:45:10,006 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 12:45:10,006 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 12:45:10,006 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-21 12:45:10,006 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-21 12:45:10,006 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2022-07-21 12:45:10,006 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2022-07-21 12:45:10,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2022-07-21 12:45:10,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2022-07-21 12:45:10,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 12:45:10,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 12:45:10,007 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-21 12:45:10,007 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-21 12:45:10,007 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-21 12:45:10,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-21 12:45:10,007 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-21 12:45:10,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-21 12:45:10,008 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_mac_addr [2022-07-21 12:45:10,008 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_mac_addr [2022-07-21 12:45:10,008 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-21 12:45:10,008 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-21 12:45:10,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 12:45:10,008 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 12:45:10,008 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2022-07-21 12:45:10,008 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2022-07-21 12:45:10,008 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 12:45:10,008 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 12:45:10,009 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 12:45:10,009 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 12:45:10,009 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-21 12:45:10,009 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-21 12:45:10,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2022-07-21 12:45:10,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2022-07-21 12:45:10,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 12:45:10,009 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 12:45:10,009 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 12:45:10,009 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-21 12:45:10,010 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-21 12:45:10,010 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 12:45:10,010 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 12:45:10,010 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2022-07-21 12:45:10,010 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2022-07-21 12:45:10,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 12:45:10,010 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2022-07-21 12:45:10,010 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2022-07-21 12:45:10,010 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2022-07-21 12:45:10,010 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2022-07-21 12:45:10,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-21 12:45:10,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-21 12:45:10,011 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-21 12:45:10,011 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-21 12:45:10,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 12:45:10,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 12:45:10,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 12:45:10,011 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2022-07-21 12:45:10,011 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2022-07-21 12:45:10,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 12:45:10,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 12:45:10,012 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2022-07-21 12:45:10,012 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2022-07-21 12:45:10,012 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2022-07-21 12:45:10,012 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2022-07-21 12:45:10,012 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 12:45:10,012 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 12:45:10,012 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-21 12:45:10,013 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-21 12:45:10,013 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-21 12:45:10,015 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-21 12:45:10,015 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-21 12:45:10,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-21 12:45:10,016 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 12:45:10,016 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 12:45:10,016 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-21 12:45:10,016 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-21 12:45:10,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 12:45:10,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 12:45:10,017 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_ioctl [2022-07-21 12:45:10,017 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_ioctl [2022-07-21 12:45:10,017 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_link_chg_task [2022-07-21 12:45:10,017 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_link_chg_task [2022-07-21 12:45:10,018 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2022-07-21 12:45:10,018 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2022-07-21 12:45:10,018 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2022-07-21 12:45:10,018 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2022-07-21 12:45:10,018 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2022-07-21 12:45:10,018 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2022-07-21 12:45:10,018 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 12:45:10,019 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 12:45:10,019 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-21 12:45:10,019 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-21 12:45:10,019 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 12:45:10,019 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 12:45:10,019 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2022-07-21 12:45:10,019 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2022-07-21 12:45:10,019 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-21 12:45:10,019 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-21 12:45:10,019 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2022-07-21 12:45:10,020 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2022-07-21 12:45:10,020 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 12:45:10,020 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 12:45:10,020 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_slot_reset [2022-07-21 12:45:10,020 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_slot_reset [2022-07-21 12:45:10,020 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2022-07-21 12:45:10,020 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2022-07-21 12:45:10,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 12:45:10,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 12:45:10,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 12:45:10,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 12:45:10,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 12:45:10,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 12:45:10,021 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2022-07-21 12:45:10,021 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2022-07-21 12:45:10,021 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2022-07-21 12:45:10,021 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2022-07-21 12:45:10,021 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 12:45:10,021 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 12:45:10,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-21 12:45:10,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-21 12:45:10,022 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-21 12:45:10,022 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-21 12:45:10,022 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_features [2022-07-21 12:45:10,022 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_features [2022-07-21 12:45:10,022 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-21 12:45:10,022 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-21 12:45:10,022 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2022-07-21 12:45:10,022 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2022-07-21 12:45:10,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-21 12:45:10,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-21 12:45:10,023 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-07-21 12:45:10,023 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-07-21 12:45:10,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_6 [2022-07-21 12:45:10,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_6 [2022-07-21 12:45:10,023 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-21 12:45:10,023 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-21 12:45:10,023 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2022-07-21 12:45:10,023 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2022-07-21 12:45:10,024 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-21 12:45:10,024 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-21 12:45:10,024 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-21 12:45:10,024 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-21 12:45:10,024 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2022-07-21 12:45:10,024 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2022-07-21 12:45:10,024 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-07-21 12:45:10,024 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-07-21 12:45:10,024 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 12:45:10,025 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 12:45:10,025 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-21 12:45:10,025 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-21 12:45:10,025 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-07-21 12:45:10,025 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-07-21 12:45:10,025 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2022-07-21 12:45:10,025 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2022-07-21 12:45:10,025 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2022-07-21 12:45:10,025 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2022-07-21 12:45:10,900 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 12:45:10,903 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 12:45:11,351 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 12:46:11,790 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 12:46:11,816 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 12:46:11,816 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 12:46:11,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:46:11 BoogieIcfgContainer [2022-07-21 12:46:11,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 12:46:11,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 12:46:11,821 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 12:46:11,823 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 12:46:11,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:45:06" (1/3) ... [2022-07-21 12:46:11,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff4f63d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:46:11, skipping insertion in model container [2022-07-21 12:46:11,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:45:09" (2/3) ... [2022-07-21 12:46:11,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff4f63d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:46:11, skipping insertion in model container [2022-07-21 12:46:11,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:46:11" (3/3) ... [2022-07-21 12:46:11,825 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i [2022-07-21 12:46:11,836 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 12:46:11,836 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 12:46:11,907 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 12:46:11,916 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@1fb52757, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@729157c2 [2022-07-21 12:46:11,916 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 12:46:11,925 INFO L276 IsEmpty]: Start isEmpty. Operand has 2730 states, 1872 states have (on average 1.3178418803418803) internal successors, (2467), 1910 states have internal predecessors, (2467), 710 states have call successors, (710), 147 states have call predecessors, (710), 146 states have return successors, (699), 695 states have call predecessors, (699), 699 states have call successors, (699) [2022-07-21 12:46:11,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-07-21 12:46:11,955 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:46:11,955 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:46:11,956 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:46:11,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:46:11,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1343496821, now seen corresponding path program 1 times [2022-07-21 12:46:11,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:46:11,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [338866377] [2022-07-21 12:46:11,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:46:11,972 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:46:11,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:46:11,974 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 12:46:11,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 12:46:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:14,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 2381 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 12:46:14,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:46:15,340 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-07-21 12:46:15,340 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:46:15,341 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:46:15,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [338866377] [2022-07-21 12:46:15,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [338866377] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:46:15,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:46:15,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:46:15,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047688651] [2022-07-21 12:46:15,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:46:15,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:46:15,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:46:15,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:46:15,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:46:15,392 INFO L87 Difference]: Start difference. First operand has 2730 states, 1872 states have (on average 1.3178418803418803) internal successors, (2467), 1910 states have internal predecessors, (2467), 710 states have call successors, (710), 147 states have call predecessors, (710), 146 states have return successors, (699), 695 states have call predecessors, (699), 699 states have call successors, (699) Second operand has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-21 12:46:16,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:46:16,515 INFO L93 Difference]: Finished difference Result 5461 states and 7798 transitions. [2022-07-21 12:46:16,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 12:46:16,517 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 175 [2022-07-21 12:46:16,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:46:16,548 INFO L225 Difference]: With dead ends: 5461 [2022-07-21 12:46:16,549 INFO L226 Difference]: Without dead ends: 2704 [2022-07-21 12:46:16,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-21 12:46:16,568 INFO L413 NwaCegarLoop]: 3860 mSDtfsCounter, 6 mSDsluCounter, 15414 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 19274 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 12:46:16,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 19274 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 12:46:16,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2704 states. [2022-07-21 12:46:16,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2704 to 2704. [2022-07-21 12:46:16,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 1858 states have (on average 1.308934337997847) internal successors, (2432), 1884 states have internal predecessors, (2432), 699 states have call successors, (699), 146 states have call predecessors, (699), 146 states have return successors, (701), 694 states have call predecessors, (701), 698 states have call successors, (701) [2022-07-21 12:46:16,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3832 transitions. [2022-07-21 12:46:16,720 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3832 transitions. Word has length 175 [2022-07-21 12:46:16,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:46:16,721 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3832 transitions. [2022-07-21 12:46:16,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-21 12:46:16,721 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3832 transitions. [2022-07-21 12:46:16,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-07-21 12:46:16,729 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:46:16,729 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:46:16,789 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 12:46:16,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:46:16,954 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:46:16,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:46:16,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1977155801, now seen corresponding path program 1 times [2022-07-21 12:46:16,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:46:16,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1194615461] [2022-07-21 12:46:16,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:46:16,956 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:46:16,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:46:16,960 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 12:46:16,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 12:46:19,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:20,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 2447 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 12:46:20,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:46:20,582 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 60 proven. 1 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2022-07-21 12:46:20,582 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 12:46:22,317 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2022-07-21 12:46:22,318 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:46:22,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1194615461] [2022-07-21 12:46:22,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1194615461] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 12:46:22,318 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 12:46:22,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-21 12:46:22,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016379998] [2022-07-21 12:46:22,318 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 12:46:22,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 12:46:22,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:46:22,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 12:46:22,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-21 12:46:22,320 INFO L87 Difference]: Start difference. First operand 2704 states and 3832 transitions. Second operand has 11 states, 9 states have (on average 9.88888888888889) internal successors, (89), 11 states have internal predecessors, (89), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-07-21 12:46:24,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:46:24,547 INFO L93 Difference]: Finished difference Result 5407 states and 7675 transitions. [2022-07-21 12:46:24,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 12:46:24,549 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 9.88888888888889) internal successors, (89), 11 states have internal predecessors, (89), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 181 [2022-07-21 12:46:24,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:46:24,561 INFO L225 Difference]: With dead ends: 5407 [2022-07-21 12:46:24,562 INFO L226 Difference]: Without dead ends: 2712 [2022-07-21 12:46:24,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-21 12:46:24,572 INFO L413 NwaCegarLoop]: 3816 mSDtfsCounter, 14 mSDsluCounter, 22857 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 26673 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-21 12:46:24,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 26673 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-21 12:46:24,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2712 states. [2022-07-21 12:46:24,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2712 to 2710. [2022-07-21 12:46:24,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 1862 states have (on average 1.3088077336197637) internal successors, (2437), 1888 states have internal predecessors, (2437), 700 states have call successors, (700), 147 states have call predecessors, (700), 147 states have return successors, (702), 695 states have call predecessors, (702), 699 states have call successors, (702) [2022-07-21 12:46:24,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3839 transitions. [2022-07-21 12:46:24,646 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3839 transitions. Word has length 181 [2022-07-21 12:46:24,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:46:24,647 INFO L495 AbstractCegarLoop]: Abstraction has 2710 states and 3839 transitions. [2022-07-21 12:46:24,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 9.88888888888889) internal successors, (89), 11 states have internal predecessors, (89), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-07-21 12:46:24,647 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3839 transitions. [2022-07-21 12:46:24,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-21 12:46:24,653 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:46:24,653 INFO L195 NwaCegarLoop]: trace histogram [12, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:46:24,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 12:46:24,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:46:24,879 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:46:24,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:46:24,880 INFO L85 PathProgramCache]: Analyzing trace with hash 169060683, now seen corresponding path program 2 times [2022-07-21 12:46:24,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:46:24,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1078266494] [2022-07-21 12:46:24,882 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 12:46:24,883 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:46:24,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:46:24,885 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 12:46:24,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 12:46:27,480 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 12:46:27,480 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 12:46:27,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 2050 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 12:46:27,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:46:27,792 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2022-07-21 12:46:27,792 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:46:27,792 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:46:27,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1078266494] [2022-07-21 12:46:27,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1078266494] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:46:27,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:46:27,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 12:46:27,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884937736] [2022-07-21 12:46:27,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:46:27,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 12:46:27,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:46:27,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 12:46:27,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 12:46:27,794 INFO L87 Difference]: Start difference. First operand 2710 states and 3839 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 12:46:28,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:46:28,940 INFO L93 Difference]: Finished difference Result 7374 states and 10438 transitions. [2022-07-21 12:46:28,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 12:46:28,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 187 [2022-07-21 12:46:28,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:46:28,963 INFO L225 Difference]: With dead ends: 7374 [2022-07-21 12:46:28,963 INFO L226 Difference]: Without dead ends: 4700 [2022-07-21 12:46:28,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 12:46:28,977 INFO L413 NwaCegarLoop]: 4321 mSDtfsCounter, 2853 mSDsluCounter, 3650 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2853 SdHoareTripleChecker+Valid, 7971 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-21 12:46:28,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2853 Valid, 7971 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-21 12:46:28,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4700 states. [2022-07-21 12:46:29,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4700 to 4650. [2022-07-21 12:46:29,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4650 states, 3205 states have (on average 1.3129485179407177) internal successors, (4208), 3256 states have internal predecessors, (4208), 1186 states have call successors, (1186), 258 states have call predecessors, (1186), 258 states have return successors, (1191), 1170 states have call predecessors, (1191), 1185 states have call successors, (1191) [2022-07-21 12:46:29,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4650 states to 4650 states and 6585 transitions. [2022-07-21 12:46:29,098 INFO L78 Accepts]: Start accepts. Automaton has 4650 states and 6585 transitions. Word has length 187 [2022-07-21 12:46:29,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:46:29,099 INFO L495 AbstractCegarLoop]: Abstraction has 4650 states and 6585 transitions. [2022-07-21 12:46:29,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 12:46:29,100 INFO L276 IsEmpty]: Start isEmpty. Operand 4650 states and 6585 transitions. [2022-07-21 12:46:29,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-07-21 12:46:29,105 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:46:29,106 INFO L195 NwaCegarLoop]: trace histogram [12, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:46:29,159 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 12:46:29,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:46:29,320 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:46:29,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:46:29,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1445243466, now seen corresponding path program 1 times [2022-07-21 12:46:29,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:46:29,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [116075560] [2022-07-21 12:46:29,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:46:29,323 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:46:29,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:46:29,327 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 12:46:29,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 12:46:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:32,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 2583 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 12:46:32,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:46:33,044 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 365 proven. 3 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2022-07-21 12:46:33,044 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 12:46:34,991 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2022-07-21 12:46:34,992 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:46:34,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [116075560] [2022-07-21 12:46:34,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [116075560] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 12:46:34,992 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 12:46:34,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-21 12:46:34,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280545942] [2022-07-21 12:46:34,992 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 12:46:34,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-21 12:46:34,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:46:34,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-21 12:46:34,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-21 12:46:34,994 INFO L87 Difference]: Start difference. First operand 4650 states and 6585 transitions. Second operand has 13 states, 11 states have (on average 9.090909090909092) internal successors, (100), 13 states have internal predecessors, (100), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-21 12:46:38,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:46:38,485 INFO L93 Difference]: Finished difference Result 9304 states and 13193 transitions. [2022-07-21 12:46:38,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-21 12:46:38,486 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 9.090909090909092) internal successors, (100), 13 states have internal predecessors, (100), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 263 [2022-07-21 12:46:38,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:46:38,520 INFO L225 Difference]: With dead ends: 9304 [2022-07-21 12:46:38,521 INFO L226 Difference]: Without dead ends: 4660 [2022-07-21 12:46:38,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 529 GetRequests, 513 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2022-07-21 12:46:38,543 INFO L413 NwaCegarLoop]: 3817 mSDtfsCounter, 14 mSDsluCounter, 38092 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 41909 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-21 12:46:38,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 41909 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-21 12:46:38,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4660 states. [2022-07-21 12:46:38,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4660 to 4652. [2022-07-21 12:46:38,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4652 states, 3207 states have (on average 1.313376987839102) internal successors, (4212), 3258 states have internal predecessors, (4212), 1186 states have call successors, (1186), 258 states have call predecessors, (1186), 258 states have return successors, (1191), 1170 states have call predecessors, (1191), 1185 states have call successors, (1191) [2022-07-21 12:46:38,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4652 states to 4652 states and 6589 transitions. [2022-07-21 12:46:38,706 INFO L78 Accepts]: Start accepts. Automaton has 4652 states and 6589 transitions. Word has length 263 [2022-07-21 12:46:38,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:46:38,706 INFO L495 AbstractCegarLoop]: Abstraction has 4652 states and 6589 transitions. [2022-07-21 12:46:38,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 9.090909090909092) internal successors, (100), 13 states have internal predecessors, (100), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-21 12:46:38,707 INFO L276 IsEmpty]: Start isEmpty. Operand 4652 states and 6589 transitions. [2022-07-21 12:46:38,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-07-21 12:46:38,714 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:46:38,715 INFO L195 NwaCegarLoop]: trace histogram [18, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:46:38,789 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 12:46:38,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:46:38,922 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:46:38,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:46:38,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1904306258, now seen corresponding path program 2 times [2022-07-21 12:46:38,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:46:38,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1886899629] [2022-07-21 12:46:38,926 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 12:46:38,926 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:46:38,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:46:38,927 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 12:46:38,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 12:46:41,236 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 12:46:41,237 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 12:46:41,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 1805 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 12:46:41,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:46:45,224 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2022-07-21 12:46:45,224 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:46:45,224 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:46:45,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1886899629] [2022-07-21 12:46:45,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1886899629] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:46:45,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:46:45,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 12:46:45,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960580665] [2022-07-21 12:46:45,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:46:45,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 12:46:45,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:46:45,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 12:46:45,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 12:46:45,225 INFO L87 Difference]: Start difference. First operand 4652 states and 6589 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-07-21 12:46:45,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:46:45,406 INFO L93 Difference]: Finished difference Result 9020 states and 12807 transitions. [2022-07-21 12:46:45,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 12:46:45,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 269 [2022-07-21 12:46:45,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:46:45,447 INFO L225 Difference]: With dead ends: 9020 [2022-07-21 12:46:45,447 INFO L226 Difference]: Without dead ends: 9017 [2022-07-21 12:46:45,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 12:46:45,453 INFO L413 NwaCegarLoop]: 4851 mSDtfsCounter, 3590 mSDsluCounter, 3730 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3590 SdHoareTripleChecker+Valid, 8581 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 12:46:45,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3590 Valid, 8581 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 12:46:45,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9017 states. [2022-07-21 12:46:45,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9017 to 8974. [2022-07-21 12:46:45,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8974 states, 6201 states have (on average 1.3154329946782777) internal successors, (8157), 6291 states have internal predecessors, (8157), 2272 states have call successors, (2272), 499 states have call predecessors, (2272), 500 states have return successors, (2300), 2246 states have call predecessors, (2300), 2271 states have call successors, (2300) [2022-07-21 12:46:45,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8974 states to 8974 states and 12729 transitions. [2022-07-21 12:46:45,765 INFO L78 Accepts]: Start accepts. Automaton has 8974 states and 12729 transitions. Word has length 269 [2022-07-21 12:46:45,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:46:45,766 INFO L495 AbstractCegarLoop]: Abstraction has 8974 states and 12729 transitions. [2022-07-21 12:46:45,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-07-21 12:46:45,766 INFO L276 IsEmpty]: Start isEmpty. Operand 8974 states and 12729 transitions. [2022-07-21 12:46:45,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2022-07-21 12:46:45,790 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:46:45,790 INFO L195 NwaCegarLoop]: trace histogram [18, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:46:45,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 12:46:46,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:46:46,014 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:46:46,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:46:46,015 INFO L85 PathProgramCache]: Analyzing trace with hash 379216905, now seen corresponding path program 1 times [2022-07-21 12:46:46,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:46:46,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2030792863] [2022-07-21 12:46:46,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:46:46,019 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:46:46,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:46:46,020 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) [2022-07-21 12:46:46,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 12:46:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:54,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 7987 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-21 12:46:54,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:46:54,729 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 176 proven. 6 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2022-07-21 12:46:54,729 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 12:46:57,213 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 0 proven. 116 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2022-07-21 12:46:57,213 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:46:57,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2030792863] [2022-07-21 12:46:57,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2030792863] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 12:46:57,213 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 12:46:57,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-21 12:46:57,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725968208] [2022-07-21 12:46:57,214 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 12:46:57,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-21 12:46:57,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:46:57,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-21 12:46:57,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-21 12:46:57,216 INFO L87 Difference]: Start difference. First operand 8974 states and 12729 transitions. Second operand has 15 states, 13 states have (on average 25.923076923076923) internal successors, (337), 15 states have internal predecessors, (337), 4 states have call successors, (101), 2 states have call predecessors, (101), 5 states have return successors, (100), 4 states have call predecessors, (100), 4 states have call successors, (100) [2022-07-21 12:47:00,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:47:00,807 INFO L93 Difference]: Finished difference Result 17970 states and 25525 transitions. [2022-07-21 12:47:00,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 12:47:00,809 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 25.923076923076923) internal successors, (337), 15 states have internal predecessors, (337), 4 states have call successors, (101), 2 states have call predecessors, (101), 5 states have return successors, (100), 4 states have call predecessors, (100), 4 states have call successors, (100) Word has length 493 [2022-07-21 12:47:00,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:47:00,852 INFO L225 Difference]: With dead ends: 17970 [2022-07-21 12:47:00,853 INFO L226 Difference]: Without dead ends: 9002 [2022-07-21 12:47:00,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 990 GetRequests, 971 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2022-07-21 12:47:00,880 INFO L413 NwaCegarLoop]: 3818 mSDtfsCounter, 25 mSDsluCounter, 26670 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 30488 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-21 12:47:00,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 30488 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-21 12:47:00,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9002 states. [2022-07-21 12:47:01,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9002 to 8978. [2022-07-21 12:47:01,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8978 states, 6205 states have (on average 1.3158742949234488) internal successors, (8165), 6295 states have internal predecessors, (8165), 2272 states have call successors, (2272), 499 states have call predecessors, (2272), 500 states have return successors, (2300), 2246 states have call predecessors, (2300), 2271 states have call successors, (2300) [2022-07-21 12:47:01,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8978 states to 8978 states and 12737 transitions. [2022-07-21 12:47:01,093 INFO L78 Accepts]: Start accepts. Automaton has 8978 states and 12737 transitions. Word has length 493 [2022-07-21 12:47:01,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:47:01,093 INFO L495 AbstractCegarLoop]: Abstraction has 8978 states and 12737 transitions. [2022-07-21 12:47:01,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 25.923076923076923) internal successors, (337), 15 states have internal predecessors, (337), 4 states have call successors, (101), 2 states have call predecessors, (101), 5 states have return successors, (100), 4 states have call predecessors, (100), 4 states have call successors, (100) [2022-07-21 12:47:01,094 INFO L276 IsEmpty]: Start isEmpty. Operand 8978 states and 12737 transitions. [2022-07-21 12:47:01,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2022-07-21 12:47:01,116 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:47:01,117 INFO L195 NwaCegarLoop]: trace histogram [24, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:47:01,257 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-21 12:47:01,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:47:01,332 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:47:01,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:47:01,332 INFO L85 PathProgramCache]: Analyzing trace with hash -617231059, now seen corresponding path program 2 times [2022-07-21 12:47:01,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:47:01,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1135511566] [2022-07-21 12:47:01,335 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 12:47:01,335 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:47:01,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:47:01,337 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 12:47:01,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 12:47:04,491 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 12:47:04,491 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 12:47:04,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 2051 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 12:47:04,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:47:04,813 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 764 trivial. 0 not checked. [2022-07-21 12:47:04,813 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:47:04,813 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:47:04,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1135511566] [2022-07-21 12:47:04,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1135511566] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:47:04,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:47:04,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 12:47:04,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4127906] [2022-07-21 12:47:04,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:47:04,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 12:47:04,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:47:04,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 12:47:04,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 12:47:04,815 INFO L87 Difference]: Start difference. First operand 8978 states and 12737 transitions. Second operand has 5 states, 4 states have (on average 58.75) internal successors, (235), 4 states have internal predecessors, (235), 3 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2022-07-21 12:47:05,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:47:05,183 INFO L93 Difference]: Finished difference Result 12340 states and 18053 transitions. [2022-07-21 12:47:05,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 12:47:05,184 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 58.75) internal successors, (235), 4 states have internal predecessors, (235), 3 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 499 [2022-07-21 12:47:05,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:47:05,230 INFO L225 Difference]: With dead ends: 12340 [2022-07-21 12:47:05,230 INFO L226 Difference]: Without dead ends: 12337 [2022-07-21 12:47:05,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 495 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:47:05,237 INFO L413 NwaCegarLoop]: 5491 mSDtfsCounter, 1091 mSDsluCounter, 15067 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1406 SdHoareTripleChecker+Valid, 20558 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 12:47:05,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1406 Valid, 20558 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 12:47:05,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12337 states. [2022-07-21 12:47:05,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12337 to 8986. [2022-07-21 12:47:05,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8986 states, 6211 states have (on average 1.3155691515053936) internal successors, (8171), 6301 states have internal predecessors, (8171), 2272 states have call successors, (2272), 501 states have call predecessors, (2272), 502 states have return successors, (2300), 2246 states have call predecessors, (2300), 2271 states have call successors, (2300) [2022-07-21 12:47:05,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8986 states to 8986 states and 12743 transitions. [2022-07-21 12:47:05,563 INFO L78 Accepts]: Start accepts. Automaton has 8986 states and 12743 transitions. Word has length 499 [2022-07-21 12:47:05,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:47:05,565 INFO L495 AbstractCegarLoop]: Abstraction has 8986 states and 12743 transitions. [2022-07-21 12:47:05,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 58.75) internal successors, (235), 4 states have internal predecessors, (235), 3 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2022-07-21 12:47:05,565 INFO L276 IsEmpty]: Start isEmpty. Operand 8986 states and 12743 transitions. [2022-07-21 12:47:05,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2022-07-21 12:47:05,586 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:47:05,587 INFO L195 NwaCegarLoop]: trace histogram [24, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:47:05,681 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-21 12:47:05,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:47:05,812 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:47:05,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:47:05,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1432241005, now seen corresponding path program 1 times [2022-07-21 12:47:05,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:47:05,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1445798495] [2022-07-21 12:47:05,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:47:05,816 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:47:05,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:47:05,817 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 12:47:05,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-21 12:47:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:47:17,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 8156 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-21 12:47:17,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:47:17,917 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 413 proven. 10 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2022-07-21 12:47:17,917 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 12:47:20,934 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 95 proven. 72 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2022-07-21 12:47:20,934 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:47:20,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1445798495] [2022-07-21 12:47:20,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1445798495] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 12:47:20,934 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 12:47:20,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2022-07-21 12:47:20,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39953542] [2022-07-21 12:47:20,935 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 12:47:20,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-21 12:47:20,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:47:20,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-21 12:47:20,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2022-07-21 12:47:20,936 INFO L87 Difference]: Start difference. First operand 8986 states and 12743 transitions. Second operand has 17 states, 15 states have (on average 23.666666666666668) internal successors, (355), 17 states have internal predecessors, (355), 4 states have call successors, (103), 2 states have call predecessors, (103), 5 states have return successors, (101), 4 states have call predecessors, (101), 4 states have call successors, (101) [2022-07-21 12:47:24,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:47:24,954 INFO L93 Difference]: Finished difference Result 18005 states and 25578 transitions. [2022-07-21 12:47:24,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-21 12:47:24,956 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 23.666666666666668) internal successors, (355), 17 states have internal predecessors, (355), 4 states have call successors, (103), 2 states have call predecessors, (103), 5 states have return successors, (101), 4 states have call predecessors, (101), 4 states have call successors, (101) Word has length 515 [2022-07-21 12:47:24,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:47:24,989 INFO L225 Difference]: With dead ends: 18005 [2022-07-21 12:47:24,989 INFO L226 Difference]: Without dead ends: 9028 [2022-07-21 12:47:25,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1034 GetRequests, 1013 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2022-07-21 12:47:25,018 INFO L413 NwaCegarLoop]: 3818 mSDtfsCounter, 79 mSDsluCounter, 30482 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 34300 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-21 12:47:25,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 34300 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-21 12:47:25,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9028 states. [2022-07-21 12:47:25,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9028 to 8998. [2022-07-21 12:47:25,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8998 states, 6222 states have (on average 1.3162970106075218) internal successors, (8190), 6312 states have internal predecessors, (8190), 2272 states have call successors, (2272), 502 states have call predecessors, (2272), 503 states have return successors, (2303), 2246 states have call predecessors, (2303), 2271 states have call successors, (2303) [2022-07-21 12:47:25,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8998 states to 8998 states and 12765 transitions. [2022-07-21 12:47:25,232 INFO L78 Accepts]: Start accepts. Automaton has 8998 states and 12765 transitions. Word has length 515 [2022-07-21 12:47:25,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:47:25,233 INFO L495 AbstractCegarLoop]: Abstraction has 8998 states and 12765 transitions. [2022-07-21 12:47:25,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 23.666666666666668) internal successors, (355), 17 states have internal predecessors, (355), 4 states have call successors, (103), 2 states have call predecessors, (103), 5 states have return successors, (101), 4 states have call predecessors, (101), 4 states have call successors, (101) [2022-07-21 12:47:25,233 INFO L276 IsEmpty]: Start isEmpty. Operand 8998 states and 12765 transitions. [2022-07-21 12:47:25,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2022-07-21 12:47:25,257 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:47:25,258 INFO L195 NwaCegarLoop]: trace histogram [26, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:47:25,442 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-21 12:47:25,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:47:25,480 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:47:25,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:47:25,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1068023619, now seen corresponding path program 2 times [2022-07-21 12:47:25,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:47:25,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1192228105] [2022-07-21 12:47:25,484 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 12:47:25,484 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:47:25,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:47:25,485 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 12:47:25,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process