./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 f4b24e32 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-?-f4b24e3 [2022-07-14 01:51:46,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 01:51:46,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 01:51:46,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 01:51:46,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 01:51:46,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 01:51:46,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 01:51:46,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 01:51:46,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 01:51:46,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 01:51:46,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 01:51:46,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 01:51:46,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 01:51:47,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 01:51:47,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 01:51:47,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 01:51:47,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 01:51:47,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 01:51:47,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 01:51:47,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 01:51:47,011 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 01:51:47,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 01:51:47,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 01:51:47,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 01:51:47,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 01:51:47,018 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 01:51:47,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 01:51:47,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 01:51:47,020 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 01:51:47,020 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 01:51:47,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 01:51:47,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 01:51:47,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 01:51:47,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 01:51:47,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 01:51:47,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 01:51:47,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 01:51:47,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 01:51:47,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 01:51:47,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 01:51:47,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 01:51:47,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 01:51:47,028 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 01:51:47,055 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 01:51:47,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 01:51:47,056 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 01:51:47,056 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 01:51:47,056 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 01:51:47,057 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 01:51:47,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 01:51:47,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 01:51:47,057 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 01:51:47,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 01:51:47,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 01:51:47,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 01:51:47,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 01:51:47,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 01:51:47,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 01:51:47,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 01:51:47,059 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 01:51:47,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 01:51:47,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 01:51:47,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 01:51:47,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 01:51:47,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:51:47,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 01:51:47,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 01:51:47,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 01:51:47,061 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 01:51:47,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 01:51:47,061 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 01:51:47,061 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 01:51:47,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 01:51:47,062 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e5652ce767ff2e1bcbd3f583f8e33ee2c54a0e67349cc7d1c1f8d74e875d01c [2022-07-14 01:51:47,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 01:51:47,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 01:51:47,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 01:51:47,256 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 01:51:47,256 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 01:51:47,257 INFO L432 ainManager$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 [2022-07-14 01:51:47,310 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1863fa282/a665854264484aaa970341aa2496edd1/FLAGad9fde651 [2022-07-14 01:51:47,986 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 01:51:47,991 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 [2022-07-14 01:51:48,032 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1863fa282/a665854264484aaa970341aa2496edd1/FLAGad9fde651 [2022-07-14 01:51:48,334 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1863fa282/a665854264484aaa970341aa2496edd1 [2022-07-14 01:51:48,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 01:51:48,336 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 01:51:48,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 01:51:48,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 01:51:48,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 01:51:48,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:51:48" (1/1) ... [2022-07-14 01:51:48,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e04c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:51:48, skipping insertion in model container [2022-07-14 01:51:48,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:51:48" (1/1) ... [2022-07-14 01:51:48,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 01:51:48,451 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 01:51:50,657 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] [2022-07-14 01:51:50,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:51:50,733 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 01:51:50,863 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) [2022-07-14 01:51:50,882 INFO L158 Benchmark]: Toolchain (without parser) took 2544.70ms. Allocated memory was 98.6MB in the beginning and 180.4MB in the end (delta: 81.8MB). Free memory was 59.5MB in the beginning and 75.3MB in the end (delta: -15.8MB). Peak memory consumption was 71.7MB. Max. memory is 16.1GB. [2022-07-14 01:51:50,882 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 98.6MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 01:51:50,883 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2542.05ms. Allocated memory was 98.6MB in the beginning and 180.4MB in the end (delta: 81.8MB). Free memory was 59.5MB in the beginning and 75.3MB in the end (delta: -15.8MB). Peak memory consumption was 71.7MB. Max. memory is 16.1GB. [2022-07-14 01:51:50,883 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 98.6MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2542.05ms. Allocated memory was 98.6MB in the beginning and 180.4MB in the end (delta: 81.8MB). Free memory was 59.5MB in the beginning and 75.3MB in the end (delta: -15.8MB). Peak memory consumption was 71.7MB. 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-?-f4b24e3 [2022-07-14 01:51:52,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 01:51:52,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 01:51:52,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 01:51:52,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 01:51:52,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 01:51:52,456 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 01:51:52,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 01:51:52,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 01:51:52,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 01:51:52,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 01:51:52,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 01:51:52,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 01:51:52,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 01:51:52,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 01:51:52,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 01:51:52,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 01:51:52,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 01:51:52,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 01:51:52,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 01:51:52,475 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 01:51:52,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 01:51:52,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 01:51:52,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 01:51:52,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 01:51:52,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 01:51:52,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 01:51:52,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 01:51:52,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 01:51:52,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 01:51:52,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 01:51:52,490 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 01:51:52,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 01:51:52,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 01:51:52,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 01:51:52,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 01:51:52,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 01:51:52,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 01:51:52,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 01:51:52,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 01:51:52,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 01:51:52,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 01:51:52,500 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 01:51:52,524 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 01:51:52,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 01:51:52,525 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 01:51:52,525 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 01:51:52,525 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 01:51:52,526 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 01:51:52,526 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 01:51:52,526 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 01:51:52,526 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 01:51:52,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 01:51:52,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 01:51:52,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 01:51:52,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 01:51:52,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 01:51:52,528 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 01:51:52,528 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 01:51:52,528 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 01:51:52,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 01:51:52,528 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 01:51:52,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 01:51:52,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 01:51:52,529 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 01:51:52,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 01:51:52,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:51:52,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 01:51:52,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 01:51:52,530 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 01:51:52,530 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 01:51:52,530 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 01:51:52,530 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 01:51:52,530 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 01:51:52,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 01:51:52,531 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 01:51:52,531 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e5652ce767ff2e1bcbd3f583f8e33ee2c54a0e67349cc7d1c1f8d74e875d01c [2022-07-14 01:51:52,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 01:51:52,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 01:51:52,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 01:51:52,789 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 01:51:52,789 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 01:51:52,790 INFO L432 ainManager$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 [2022-07-14 01:51:52,828 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97b31acaa/55424817d3af45ad9d8f48f43136a444/FLAGcc04160b6 [2022-07-14 01:51:53,494 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 01:51:53,495 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 [2022-07-14 01:51:53,543 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97b31acaa/55424817d3af45ad9d8f48f43136a444/FLAGcc04160b6 [2022-07-14 01:51:53,868 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97b31acaa/55424817d3af45ad9d8f48f43136a444 [2022-07-14 01:51:53,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 01:51:53,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 01:51:53,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 01:51:53,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 01:51:53,875 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 01:51:53,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:51:53" (1/1) ... [2022-07-14 01:51:53,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1998898e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:51:53, skipping insertion in model container [2022-07-14 01:51:53,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:51:53" (1/1) ... [2022-07-14 01:51:53,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 01:51:54,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 01:51:56,308 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] [2022-07-14 01:51:56,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:51:56,392 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 01:51:56,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 01:51:56,835 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] [2022-07-14 01:51:56,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:51:56,884 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 01:51:57,130 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] [2022-07-14 01:51:57,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:51:57,313 INFO L208 MainTranslator]: Completed translation [2022-07-14 01:51:57,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:51:57 WrapperNode [2022-07-14 01:51:57,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 01:51:57,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 01:51:57,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 01:51:57,315 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 01:51:57,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:51:57" (1/1) ... [2022-07-14 01:51:57,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:51:57" (1/1) ... [2022-07-14 01:51:57,601 INFO L137 Inliner]: procedures = 479, calls = 3161, calls flagged for inlining = 208, calls inlined = 193, statements flattened = 7239 [2022-07-14 01:51:57,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 01:51:57,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 01:51:57,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 01:51:57,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 01:51:57,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:51:57" (1/1) ... [2022-07-14 01:51:57,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:51:57" (1/1) ... [2022-07-14 01:51:57,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:51:57" (1/1) ... [2022-07-14 01:51:57,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:51:57" (1/1) ... [2022-07-14 01:51:57,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:51:57" (1/1) ... [2022-07-14 01:51:57,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:51:57" (1/1) ... [2022-07-14 01:51:57,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:51:57" (1/1) ... [2022-07-14 01:51:57,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 01:51:57,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 01:51:57,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 01:51:57,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 01:51:57,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:51:57" (1/1) ... [2022-07-14 01:51:57,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:51:57,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 01:51:57,876 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) [2022-07-14 01:51:57,884 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 [2022-07-14 01:51:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-14 01:51:57,905 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-14 01:51:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-14 01:51:57,906 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-14 01:51:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2022-07-14 01:51:57,906 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2022-07-14 01:51:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 01:51:57,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 01:51:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2022-07-14 01:51:57,907 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2022-07-14 01:51:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-14 01:51:57,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-14 01:51:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 01:51:57,907 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 01:51:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-14 01:51:57,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-14 01:51:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 01:51:57,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 01:51:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2022-07-14 01:51:57,908 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2022-07-14 01:51:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-07-14 01:51:57,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-07-14 01:51:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_error_detected [2022-07-14 01:51:57,908 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_error_detected [2022-07-14 01:51:57,909 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_change_mtu [2022-07-14 01:51:57,909 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_change_mtu [2022-07-14 01:51:57,909 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-07-14 01:51:57,909 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-07-14 01:51:57,909 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-14 01:51:57,909 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-14 01:51:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 01:51:57,910 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 01:51:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 01:51:57,910 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 01:51:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 01:51:57,910 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 01:51:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2022-07-14 01:51:57,910 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2022-07-14 01:51:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2022-07-14 01:51:57,911 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2022-07-14 01:51:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-14 01:51:57,911 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-14 01:51:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2022-07-14 01:51:57,911 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2022-07-14 01:51:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 01:51:57,912 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 01:51:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-14 01:51:57,912 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-14 01:51:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 01:51:57,913 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 01:51:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 01:51:57,913 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 01:51:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2022-07-14 01:51:57,914 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2022-07-14 01:51:57,914 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-14 01:51:57,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-14 01:51:57,914 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-14 01:51:57,914 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-14 01:51:57,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 01:51:57,914 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-07-14 01:51:57,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-07-14 01:51:57,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-14 01:51:57,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 01:51:57,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 01:51:57,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 01:51:57,915 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2022-07-14 01:51:57,915 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2022-07-14 01:51:57,915 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-14 01:51:57,916 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-14 01:51:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2022-07-14 01:51:57,916 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2022-07-14 01:51:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-14 01:51:57,916 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-14 01:51:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 01:51:57,916 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 01:51:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 01:51:57,916 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 01:51:57,917 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2022-07-14 01:51:57,917 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2022-07-14 01:51:57,917 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 01:51:57,917 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 01:51:57,917 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 01:51:57,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 01:51:57,918 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2022-07-14 01:51:57,918 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2022-07-14 01:51:57,918 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_task [2022-07-14 01:51:57,918 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_task [2022-07-14 01:51:57,918 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 01:51:57,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 01:51:57,919 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 01:51:57,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 01:51:57,919 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-14 01:51:57,919 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-14 01:51:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 01:51:57,920 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 01:51:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-14 01:51:57,920 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-14 01:51:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-07-14 01:51:57,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-07-14 01:51:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 01:51:57,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 01:51:57,921 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2022-07-14 01:51:57,921 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2022-07-14 01:51:57,921 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-14 01:51:57,921 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-14 01:51:57,921 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 01:51:57,921 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 01:51:57,921 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2022-07-14 01:51:57,922 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2022-07-14 01:51:57,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-14 01:51:57,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-14 01:51:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 01:51:57,924 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2022-07-14 01:51:57,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2022-07-14 01:51:57,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 01:51:57,924 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-14 01:51:57,925 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-14 01:51:57,926 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_fix_features [2022-07-14 01:51:57,926 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_fix_features [2022-07-14 01:51:57,926 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 01:51:57,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 01:51:57,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 01:51:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 01:51:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 01:51:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 01:51:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 01:51:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-14 01:51:57,931 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-14 01:51:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2022-07-14 01:51:57,931 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2022-07-14 01:51:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-07-14 01:51:57,931 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-07-14 01:51:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-14 01:51:57,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-14 01:51:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2022-07-14 01:51:57,932 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2022-07-14 01:51:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-14 01:51:57,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-14 01:51:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-14 01:51:57,932 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-14 01:51:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 01:51:57,932 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 01:51:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2022-07-14 01:51:57,933 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2022-07-14 01:51:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_stats [2022-07-14 01:51:57,933 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_stats [2022-07-14 01:51:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-07-14 01:51:57,933 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-07-14 01:51:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-14 01:51:57,933 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-14 01:51:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 01:51:57,933 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 01:51:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2022-07-14 01:51:57,934 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2022-07-14 01:51:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 01:51:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-14 01:51:57,934 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-14 01:51:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-07-14 01:51:57,934 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-07-14 01:51:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 01:51:57,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 01:51:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-14 01:51:57,934 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-14 01:51:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 01:51:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 01:51:57,935 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 01:51:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 01:51:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 01:51:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 01:51:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 01:51:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 01:51:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 01:51:57,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 01:51:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 01:51:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 01:51:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-14 01:51:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-14 01:51:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2022-07-14 01:51:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2022-07-14 01:51:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2022-07-14 01:51:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2022-07-14 01:51:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 01:51:57,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 01:51:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-14 01:51:57,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-14 01:51:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-14 01:51:57,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-14 01:51:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-14 01:51:57,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-14 01:51:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_mac_addr [2022-07-14 01:51:57,937 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_mac_addr [2022-07-14 01:51:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-14 01:51:57,938 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-14 01:51:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 01:51:57,938 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 01:51:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2022-07-14 01:51:57,938 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2022-07-14 01:51:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 01:51:57,938 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 01:51:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 01:51:57,938 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 01:51:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-14 01:51:57,939 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-14 01:51:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2022-07-14 01:51:57,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2022-07-14 01:51:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 01:51:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 01:51:57,939 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 01:51:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-14 01:51:57,939 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-14 01:51:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-14 01:51:57,939 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-14 01:51:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2022-07-14 01:51:57,940 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2022-07-14 01:51:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 01:51:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2022-07-14 01:51:57,940 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2022-07-14 01:51:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2022-07-14 01:51:57,940 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2022-07-14 01:51:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-14 01:51:57,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-14 01:51:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-14 01:51:57,941 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-14 01:51:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 01:51:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 01:51:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 01:51:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2022-07-14 01:51:57,941 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2022-07-14 01:51:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 01:51:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 01:51:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2022-07-14 01:51:57,941 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2022-07-14 01:51:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2022-07-14 01:51:57,942 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2022-07-14 01:51:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-14 01:51:57,942 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-14 01:51:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-14 01:51:57,942 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-14 01:51:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-14 01:51:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-14 01:51:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-14 01:51:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-14 01:51:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 01:51:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 01:51:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-14 01:51:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-14 01:51:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 01:51:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 01:51:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_ioctl [2022-07-14 01:51:57,947 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_ioctl [2022-07-14 01:51:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_link_chg_task [2022-07-14 01:51:57,947 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_link_chg_task [2022-07-14 01:51:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2022-07-14 01:51:57,947 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2022-07-14 01:51:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2022-07-14 01:51:57,947 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2022-07-14 01:51:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2022-07-14 01:51:57,947 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2022-07-14 01:51:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 01:51:57,948 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 01:51:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-14 01:51:57,948 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-14 01:51:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 01:51:57,948 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 01:51:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2022-07-14 01:51:57,948 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2022-07-14 01:51:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-14 01:51:57,948 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-14 01:51:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2022-07-14 01:51:57,948 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2022-07-14 01:51:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 01:51:57,949 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 01:51:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_slot_reset [2022-07-14 01:51:57,949 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_slot_reset [2022-07-14 01:51:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2022-07-14 01:51:57,949 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2022-07-14 01:51:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 01:51:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 01:51:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 01:51:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 01:51:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 01:51:57,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 01:51:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2022-07-14 01:51:57,950 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2022-07-14 01:51:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2022-07-14 01:51:57,950 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2022-07-14 01:51:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-14 01:51:57,950 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-14 01:51:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-14 01:51:57,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-14 01:51:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-14 01:51:57,951 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-14 01:51:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_features [2022-07-14 01:51:57,951 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_features [2022-07-14 01:51:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-14 01:51:57,951 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-14 01:51:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2022-07-14 01:51:57,951 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2022-07-14 01:51:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-14 01:51:57,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-14 01:51:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-07-14 01:51:57,952 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-07-14 01:51:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_6 [2022-07-14 01:51:57,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_6 [2022-07-14 01:51:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-14 01:51:57,952 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-14 01:51:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2022-07-14 01:51:57,952 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2022-07-14 01:51:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-14 01:51:57,952 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-14 01:51:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-14 01:51:57,952 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-14 01:51:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2022-07-14 01:51:57,953 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2022-07-14 01:51:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-07-14 01:51:57,953 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-07-14 01:51:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-14 01:51:57,953 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-14 01:51:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-14 01:51:57,953 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-14 01:51:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-07-14 01:51:57,953 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-07-14 01:51:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2022-07-14 01:51:57,954 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2022-07-14 01:51:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2022-07-14 01:51:57,954 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2022-07-14 01:51:58,757 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 01:51:58,762 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 01:51:59,256 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 01:52:56,450 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 01:52:56,471 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 01:52:56,471 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 01:52:56,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:52:56 BoogieIcfgContainer [2022-07-14 01:52:56,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 01:52:56,475 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 01:52:56,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 01:52:56,477 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 01:52:56,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 01:51:53" (1/3) ... [2022-07-14 01:52:56,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b267006 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:52:56, skipping insertion in model container [2022-07-14 01:52:56,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:51:57" (2/3) ... [2022-07-14 01:52:56,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b267006 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:52:56, skipping insertion in model container [2022-07-14 01:52:56,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:52:56" (3/3) ... [2022-07-14 01:52:56,479 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 [2022-07-14 01:52:56,489 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 01:52:56,489 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 01:52:56,556 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 01:52:56,565 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@7cdb44c3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@464b5de6 [2022-07-14 01:52:56,565 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 01:52:56,574 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) [2022-07-14 01:52:56,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-07-14 01:52:56,598 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:52:56,598 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] [2022-07-14 01:52:56,599 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:52:56,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:52:56,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1343496821, now seen corresponding path program 1 times [2022-07-14 01:52:56,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:52:56,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [759490676] [2022-07-14 01:52:56,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:52:56,620 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:52:56,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:52:56,622 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) [2022-07-14 01:52:56,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 01:52:59,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:52:59,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 2381 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 01:52:59,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:53:00,069 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-07-14 01:53:00,069 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 01:53:00,070 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:53:00,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [759490676] [2022-07-14 01:53:00,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [759490676] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:53:00,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:53:00,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 01:53:00,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789545664] [2022-07-14 01:53:00,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:53:00,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 01:53:00,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:53:00,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 01:53:00,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:53:00,112 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) [2022-07-14 01:53:01,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:53:01,269 INFO L93 Difference]: Finished difference Result 5461 states and 7798 transitions. [2022-07-14 01:53:01,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 01:53:01,272 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 [2022-07-14 01:53:01,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:53:01,303 INFO L225 Difference]: With dead ends: 5461 [2022-07-14 01:53:01,304 INFO L226 Difference]: Without dead ends: 2704 [2022-07-14 01:53:01,321 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 [2022-07-14 01:53:01,327 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, 0.8s IncrementalHoareTripleChecker+Time [2022-07-14 01:53:01,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 19274 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-14 01:53:01,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2704 states. [2022-07-14 01:53:01,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2704 to 2704. [2022-07-14 01:53:01,442 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) [2022-07-14 01:53:01,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3832 transitions. [2022-07-14 01:53:01,457 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3832 transitions. Word has length 175 [2022-07-14 01:53:01,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:53:01,458 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3832 transitions. [2022-07-14 01:53:01,458 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) [2022-07-14 01:53:01,458 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3832 transitions. [2022-07-14 01:53:01,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-07-14 01:53:01,463 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:53:01,464 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] [2022-07-14 01:53:01,520 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-14 01:53:01,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:53:01,680 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:53:01,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:53:01,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1977155801, now seen corresponding path program 1 times [2022-07-14 01:53:01,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:53:01,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [596838633] [2022-07-14 01:53:01,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:53:01,683 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:53:01,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:53:01,684 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) [2022-07-14 01:53:01,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 01:53:04,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:53:04,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 2447 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 01:53:04,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:53:05,290 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 60 proven. 1 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2022-07-14 01:53:05,290 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 01:53:06,976 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2022-07-14 01:53:06,976 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:53:06,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [596838633] [2022-07-14 01:53:06,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [596838633] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 01:53:06,976 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 01:53:06,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-14 01:53:06,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181890232] [2022-07-14 01:53:06,977 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 01:53:06,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-14 01:53:06,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:53:06,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-14 01:53:06,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-14 01:53:06,980 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) [2022-07-14 01:53:09,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:53:09,177 INFO L93 Difference]: Finished difference Result 5407 states and 7675 transitions. [2022-07-14 01:53:09,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-14 01:53:09,178 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 [2022-07-14 01:53:09,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:53:09,192 INFO L225 Difference]: With dead ends: 5407 [2022-07-14 01:53:09,192 INFO L226 Difference]: Without dead ends: 2712 [2022-07-14 01:53:09,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-14 01:53:09,204 INFO L413 NwaCegarLoop]: 3816 mSDtfsCounter, 14 mSDsluCounter, 22857 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-07-14 01:53:09,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 26673 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-14 01:53:09,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2712 states. [2022-07-14 01:53:09,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2712 to 2710. [2022-07-14 01:53:09,271 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) [2022-07-14 01:53:09,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3839 transitions. [2022-07-14 01:53:09,286 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3839 transitions. Word has length 181 [2022-07-14 01:53:09,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:53:09,287 INFO L495 AbstractCegarLoop]: Abstraction has 2710 states and 3839 transitions. [2022-07-14 01:53:09,288 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) [2022-07-14 01:53:09,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3839 transitions. [2022-07-14 01:53:09,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-14 01:53:09,292 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:53:09,292 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] [2022-07-14 01:53:09,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 01:53:09,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:53:09,497 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:53:09,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:53:09,498 INFO L85 PathProgramCache]: Analyzing trace with hash 169060683, now seen corresponding path program 2 times [2022-07-14 01:53:09,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:53:09,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [628129476] [2022-07-14 01:53:09,509 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 01:53:09,509 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:53:09,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:53:09,510 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) [2022-07-14 01:53:09,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 01:53:12,071 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 01:53:12,071 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 01:53:12,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 2050 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 01:53:12,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:53:12,392 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2022-07-14 01:53:12,393 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 01:53:12,393 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:53:12,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [628129476] [2022-07-14 01:53:12,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [628129476] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:53:12,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:53:12,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 01:53:12,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444225519] [2022-07-14 01:53:12,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:53:12,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 01:53:12,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:53:12,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 01:53:12,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 01:53:12,395 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) [2022-07-14 01:53:13,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:53:13,596 INFO L93 Difference]: Finished difference Result 7374 states and 10438 transitions. [2022-07-14 01:53:13,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 01:53:13,597 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 [2022-07-14 01:53:13,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:53:13,624 INFO L225 Difference]: With dead ends: 7374 [2022-07-14 01:53:13,624 INFO L226 Difference]: Without dead ends: 4700 [2022-07-14 01:53:13,639 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 [2022-07-14 01:53:13,641 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, 1.1s IncrementalHoareTripleChecker+Time [2022-07-14 01:53:13,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2853 Valid, 7971 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-14 01:53:13,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4700 states. [2022-07-14 01:53:13,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4700 to 4650. [2022-07-14 01:53:13,825 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) [2022-07-14 01:53:13,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4650 states to 4650 states and 6585 transitions. [2022-07-14 01:53:13,843 INFO L78 Accepts]: Start accepts. Automaton has 4650 states and 6585 transitions. Word has length 187 [2022-07-14 01:53:13,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:53:13,844 INFO L495 AbstractCegarLoop]: Abstraction has 4650 states and 6585 transitions. [2022-07-14 01:53:13,844 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) [2022-07-14 01:53:13,844 INFO L276 IsEmpty]: Start isEmpty. Operand 4650 states and 6585 transitions. [2022-07-14 01:53:13,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-07-14 01:53:13,850 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:53:13,851 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] [2022-07-14 01:53:13,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 01:53:14,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:53:14,064 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:53:14,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:53:14,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1445243466, now seen corresponding path program 1 times [2022-07-14 01:53:14,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:53:14,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [854507788] [2022-07-14 01:53:14,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:53:14,066 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:53:14,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:53:14,068 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) [2022-07-14 01:53:14,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 01:53:16,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:53:17,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 2583 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 01:53:17,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:53:17,650 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 365 proven. 3 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2022-07-14 01:53:17,650 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 01:53:19,773 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2022-07-14 01:53:19,773 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:53:19,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [854507788] [2022-07-14 01:53:19,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [854507788] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 01:53:19,774 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 01:53:19,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-14 01:53:19,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017449470] [2022-07-14 01:53:19,774 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 01:53:19,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-14 01:53:19,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:53:19,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-14 01:53:19,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-14 01:53:19,782 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) [2022-07-14 01:53:23,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:53:23,448 INFO L93 Difference]: Finished difference Result 9304 states and 13193 transitions. [2022-07-14 01:53:23,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-14 01:53:23,450 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 [2022-07-14 01:53:23,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:53:23,477 INFO L225 Difference]: With dead ends: 9304 [2022-07-14 01:53:23,477 INFO L226 Difference]: Without dead ends: 4660 [2022-07-14 01:53:23,495 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 [2022-07-14 01:53:23,496 INFO L413 NwaCegarLoop]: 3817 mSDtfsCounter, 14 mSDsluCounter, 38092 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s 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, 2.9s IncrementalHoareTripleChecker+Time [2022-07-14 01:53:23,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 41909 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-14 01:53:23,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4660 states. [2022-07-14 01:53:23,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4660 to 4652. [2022-07-14 01:53:23,621 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) [2022-07-14 01:53:23,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4652 states to 4652 states and 6589 transitions. [2022-07-14 01:53:23,726 INFO L78 Accepts]: Start accepts. Automaton has 4652 states and 6589 transitions. Word has length 263 [2022-07-14 01:53:23,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:53:23,727 INFO L495 AbstractCegarLoop]: Abstraction has 4652 states and 6589 transitions. [2022-07-14 01:53:23,728 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) [2022-07-14 01:53:23,728 INFO L276 IsEmpty]: Start isEmpty. Operand 4652 states and 6589 transitions. [2022-07-14 01:53:23,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-07-14 01:53:23,735 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:53:23,735 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] [2022-07-14 01:53:23,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 01:53:23,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:53:23,955 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:53:23,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:53:23,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1904306258, now seen corresponding path program 2 times [2022-07-14 01:53:23,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:53:23,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1409294926] [2022-07-14 01:53:23,958 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 01:53:23,958 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:53:23,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:53:23,959 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) [2022-07-14 01:53:23,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 01:53:26,173 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 01:53:26,174 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 01:53:26,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 1805 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 01:53:26,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:53:30,502 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2022-07-14 01:53:30,502 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 01:53:30,503 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:53:30,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1409294926] [2022-07-14 01:53:30,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1409294926] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:53:30,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:53:30,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 01:53:30,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17033157] [2022-07-14 01:53:30,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:53:30,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 01:53:30,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:53:30,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 01:53:30,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 01:53:30,504 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) [2022-07-14 01:53:30,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:53:30,654 INFO L93 Difference]: Finished difference Result 9020 states and 12807 transitions. [2022-07-14 01:53:30,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 01:53:30,655 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 [2022-07-14 01:53:30,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:53:30,699 INFO L225 Difference]: With dead ends: 9020 [2022-07-14 01:53:30,700 INFO L226 Difference]: Without dead ends: 9017 [2022-07-14 01:53:30,706 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 [2022-07-14 01:53:30,707 INFO L413 NwaCegarLoop]: 4851 mSDtfsCounter, 3590 mSDsluCounter, 3730 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 01:53:30,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3590 Valid, 8581 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 01:53:30,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9017 states. [2022-07-14 01:53:30,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9017 to 8974. [2022-07-14 01:53:30,937 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) [2022-07-14 01:53:31,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8974 states to 8974 states and 12729 transitions. [2022-07-14 01:53:31,023 INFO L78 Accepts]: Start accepts. Automaton has 8974 states and 12729 transitions. Word has length 269 [2022-07-14 01:53:31,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:53:31,025 INFO L495 AbstractCegarLoop]: Abstraction has 8974 states and 12729 transitions. [2022-07-14 01:53:31,025 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) [2022-07-14 01:53:31,025 INFO L276 IsEmpty]: Start isEmpty. Operand 8974 states and 12729 transitions. [2022-07-14 01:53:31,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2022-07-14 01:53:31,051 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:53:31,051 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] [2022-07-14 01:53:31,105 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-14 01:53:31,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:53:31,276 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:53:31,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:53:31,276 INFO L85 PathProgramCache]: Analyzing trace with hash 379216905, now seen corresponding path program 1 times [2022-07-14 01:53:31,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:53:31,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1575302595] [2022-07-14 01:53:31,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:53:31,280 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:53:31,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:53:31,281 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) [2022-07-14 01:53:31,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 01:53:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:53:39,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 7987 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-14 01:53:39,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:53:39,746 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 176 proven. 6 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2022-07-14 01:53:39,746 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 01:53:42,482 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 0 proven. 116 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2022-07-14 01:53:42,483 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:53:42,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1575302595] [2022-07-14 01:53:42,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1575302595] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 01:53:42,483 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 01:53:42,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-14 01:53:42,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113449720] [2022-07-14 01:53:42,483 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 01:53:42,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-14 01:53:42,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:53:42,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-14 01:53:42,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-14 01:53:42,485 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) [2022-07-14 01:53:45,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:53:45,968 INFO L93 Difference]: Finished difference Result 17970 states and 25525 transitions. [2022-07-14 01:53:45,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-14 01:53:45,969 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 [2022-07-14 01:53:45,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:53:46,013 INFO L225 Difference]: With dead ends: 17970 [2022-07-14 01:53:46,013 INFO L226 Difference]: Without dead ends: 9002 [2022-07-14 01:53:46,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 990 GetRequests, 971 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2022-07-14 01:53:46,040 INFO L413 NwaCegarLoop]: 3818 mSDtfsCounter, 25 mSDsluCounter, 26670 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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 [2022-07-14 01:53:46,041 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] [2022-07-14 01:53:46,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9002 states. [2022-07-14 01:53:46,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9002 to 8978. [2022-07-14 01:53:46,228 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) [2022-07-14 01:53:46,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8978 states to 8978 states and 12737 transitions. [2022-07-14 01:53:46,257 INFO L78 Accepts]: Start accepts. Automaton has 8978 states and 12737 transitions. Word has length 493 [2022-07-14 01:53:46,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:53:46,258 INFO L495 AbstractCegarLoop]: Abstraction has 8978 states and 12737 transitions. [2022-07-14 01:53:46,258 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) [2022-07-14 01:53:46,258 INFO L276 IsEmpty]: Start isEmpty. Operand 8978 states and 12737 transitions. [2022-07-14 01:53:46,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2022-07-14 01:53:46,283 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:53:46,283 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] [2022-07-14 01:53:46,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-14 01:53:46,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:53:46,503 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:53:46,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:53:46,504 INFO L85 PathProgramCache]: Analyzing trace with hash -617231059, now seen corresponding path program 2 times [2022-07-14 01:53:46,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:53:46,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1049873672] [2022-07-14 01:53:46,507 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 01:53:46,507 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:53:46,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:53:46,508 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) [2022-07-14 01:53:46,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 01:53:49,552 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 01:53:49,552 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 01:53:49,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 2051 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 01:53:49,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:53:49,893 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 764 trivial. 0 not checked. [2022-07-14 01:53:49,893 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 01:53:49,893 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:53:49,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1049873672] [2022-07-14 01:53:49,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1049873672] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:53:49,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:53:49,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 01:53:49,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657373901] [2022-07-14 01:53:49,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:53:49,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 01:53:49,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:53:49,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 01:53:49,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 01:53:49,895 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) [2022-07-14 01:53:50,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:53:50,321 INFO L93 Difference]: Finished difference Result 12340 states and 18053 transitions. [2022-07-14 01:53:50,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 01:53:50,322 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 [2022-07-14 01:53:50,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:53:50,370 INFO L225 Difference]: With dead ends: 12340 [2022-07-14 01:53:50,370 INFO L226 Difference]: Without dead ends: 12337 [2022-07-14 01:53:50,377 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 [2022-07-14 01:53:50,378 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 [2022-07-14 01:53:50,379 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] [2022-07-14 01:53:50,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12337 states. [2022-07-14 01:53:50,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12337 to 8986. [2022-07-14 01:53:50,623 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) [2022-07-14 01:53:50,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8986 states to 8986 states and 12743 transitions. [2022-07-14 01:53:50,652 INFO L78 Accepts]: Start accepts. Automaton has 8986 states and 12743 transitions. Word has length 499 [2022-07-14 01:53:50,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:53:50,653 INFO L495 AbstractCegarLoop]: Abstraction has 8986 states and 12743 transitions. [2022-07-14 01:53:50,653 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) [2022-07-14 01:53:50,653 INFO L276 IsEmpty]: Start isEmpty. Operand 8986 states and 12743 transitions. [2022-07-14 01:53:50,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2022-07-14 01:53:50,676 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:53:50,676 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] [2022-07-14 01:53:50,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-14 01:53:50,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:53:50,896 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:53:50,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:53:50,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1432241005, now seen corresponding path program 1 times [2022-07-14 01:53:50,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:53:50,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1529794415] [2022-07-14 01:53:50,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:53:50,899 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:53:50,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:53:50,900 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) [2022-07-14 01:53:50,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-14 01:54:01,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:54:01,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 8156 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-14 01:54:01,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:54:02,388 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 413 proven. 10 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2022-07-14 01:54:02,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 01:54:05,355 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 95 proven. 72 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2022-07-14 01:54:05,355 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:54:05,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1529794415] [2022-07-14 01:54:05,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1529794415] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 01:54:05,355 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 01:54:05,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2022-07-14 01:54:05,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662636398] [2022-07-14 01:54:05,356 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 01:54:05,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-14 01:54:05,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:54:05,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-14 01:54:05,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2022-07-14 01:54:05,358 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) [2022-07-14 01:54:09,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:54:09,465 INFO L93 Difference]: Finished difference Result 18005 states and 25578 transitions. [2022-07-14 01:54:09,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-14 01:54:09,466 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 [2022-07-14 01:54:09,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:54:09,503 INFO L225 Difference]: With dead ends: 18005 [2022-07-14 01:54:09,503 INFO L226 Difference]: Without dead ends: 9028 [2022-07-14 01:54:09,531 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 [2022-07-14 01:54:09,532 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, 3.2s IncrementalHoareTripleChecker+Time [2022-07-14 01:54:09,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 34300 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-14 01:54:09,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9028 states. [2022-07-14 01:54:09,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9028 to 8998. [2022-07-14 01:54:09,797 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) [2022-07-14 01:54:09,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8998 states to 8998 states and 12765 transitions. [2022-07-14 01:54:09,825 INFO L78 Accepts]: Start accepts. Automaton has 8998 states and 12765 transitions. Word has length 515 [2022-07-14 01:54:09,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:54:09,826 INFO L495 AbstractCegarLoop]: Abstraction has 8998 states and 12765 transitions. [2022-07-14 01:54:09,826 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) [2022-07-14 01:54:09,826 INFO L276 IsEmpty]: Start isEmpty. Operand 8998 states and 12765 transitions. [2022-07-14 01:54:09,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2022-07-14 01:54:09,854 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:54:09,855 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] [2022-07-14 01:54:10,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-14 01:54:10,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:54:10,074 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:54:10,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:54:10,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1068023619, now seen corresponding path program 2 times [2022-07-14 01:54:10,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:54:10,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [632986508] [2022-07-14 01:54:10,078 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 01:54:10,078 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:54:10,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:54:10,079 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) [2022-07-14 01:54:10,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process