./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 eb692b52 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-?-eb692b5 [2022-07-20 01:13:44,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:13:44,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:13:44,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:13:44,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:13:44,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:13:44,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:13:44,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:13:44,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:13:44,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:13:44,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:13:44,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:13:44,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:13:44,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:13:44,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:13:44,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:13:44,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:13:44,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:13:44,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:13:44,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:13:44,283 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:13:44,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:13:44,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:13:44,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:13:44,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:13:44,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:13:44,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:13:44,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:13:44,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:13:44,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:13:44,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:13:44,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:13:44,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:13:44,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:13:44,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:13:44,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:13:44,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:13:44,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:13:44,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:13:44,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:13:44,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:13:44,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:13:44,299 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 01:13:44,316 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:13:44,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:13:44,316 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:13:44,317 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:13:44,317 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:13:44,317 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:13:44,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:13:44,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:13:44,318 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:13:44,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:13:44,319 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 01:13:44,319 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:13:44,319 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:13:44,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:13:44,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:13:44,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:13:44,320 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:13:44,320 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:13:44,320 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:13:44,320 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:13:44,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:13:44,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:13:44,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:13:44,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:13:44,321 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:13:44,321 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 01:13:44,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 01:13:44,321 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:13:44,321 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:13:44,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:13:44,322 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e5652ce767ff2e1bcbd3f583f8e33ee2c54a0e67349cc7d1c1f8d74e875d01c [2022-07-20 01:13:44,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:13:44,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:13:44,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:13:44,537 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:13:44,537 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:13:44,538 INFO L432 ainManager$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 [2022-07-20 01:13:44,585 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75e423744/52e16f62cacc42e9be4af96492ee1279/FLAGdf1986a1d [2022-07-20 01:13:45,254 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:13:45,255 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 [2022-07-20 01:13:45,304 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75e423744/52e16f62cacc42e9be4af96492ee1279/FLAGdf1986a1d [2022-07-20 01:13:45,332 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75e423744/52e16f62cacc42e9be4af96492ee1279 [2022-07-20 01:13:45,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:13:45,336 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:13:45,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:13:45,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:13:45,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:13:45,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:13:45" (1/1) ... [2022-07-20 01:13:45,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4028d492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:13:45, skipping insertion in model container [2022-07-20 01:13:45,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:13:45" (1/1) ... [2022-07-20 01:13:45,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:13:45,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:13:47,566 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] [2022-07-20 01:13:47,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:13:47,650 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:13:47,805 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) [2022-07-20 01:13:47,812 INFO L158 Benchmark]: Toolchain (without parser) took 2474.89ms. Allocated memory was 123.7MB in the beginning and 163.6MB in the end (delta: 39.8MB). Free memory was 76.0MB in the beginning and 92.1MB in the end (delta: -16.1MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB. [2022-07-20 01:13:47,813 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 86.0MB. Free memory was 45.2MB in the beginning and 45.2MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 01:13:47,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2472.27ms. Allocated memory was 123.7MB in the beginning and 163.6MB in the end (delta: 39.8MB). Free memory was 75.5MB in the beginning and 92.1MB in the end (delta: -16.6MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB. [2022-07-20 01:13:47,816 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 86.0MB. Free memory was 45.2MB in the beginning and 45.2MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2472.27ms. Allocated memory was 123.7MB in the beginning and 163.6MB in the end (delta: 39.8MB). Free memory was 75.5MB in the beginning and 92.1MB in the end (delta: -16.6MB). Peak memory consumption was 75.1MB. 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-?-eb692b5 [2022-07-20 01:13:49,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:13:49,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:13:49,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:13:49,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:13:49,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:13:49,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:13:49,303 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:13:49,305 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:13:49,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:13:49,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:13:49,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:13:49,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:13:49,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:13:49,317 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:13:49,318 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:13:49,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:13:49,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:13:49,323 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:13:49,324 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:13:49,327 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:13:49,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:13:49,328 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:13:49,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:13:49,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:13:49,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:13:49,334 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:13:49,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:13:49,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:13:49,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:13:49,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:13:49,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:13:49,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:13:49,337 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:13:49,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:13:49,339 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:13:49,339 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:13:49,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:13:49,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:13:49,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:13:49,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:13:49,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:13:49,342 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 01:13:49,366 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:13:49,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:13:49,366 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:13:49,367 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:13:49,367 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:13:49,367 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:13:49,368 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:13:49,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:13:49,368 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:13:49,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:13:49,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:13:49,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:13:49,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:13:49,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:13:49,369 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 01:13:49,370 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 01:13:49,370 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 01:13:49,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:13:49,370 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:13:49,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:13:49,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:13:49,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:13:49,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:13:49,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:13:49,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:13:49,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:13:49,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:13:49,371 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 01:13:49,371 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 01:13:49,372 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:13:49,372 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:13:49,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:13:49,372 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 01:13:49,372 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e5652ce767ff2e1bcbd3f583f8e33ee2c54a0e67349cc7d1c1f8d74e875d01c [2022-07-20 01:13:49,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:13:49,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:13:49,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:13:49,631 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:13:49,632 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:13:49,633 INFO L432 ainManager$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 [2022-07-20 01:13:49,686 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bc0b54b3/197c7fea5e2c40f2bbd1ada2efe089a8/FLAG17e745137 [2022-07-20 01:13:50,343 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:13:50,344 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 [2022-07-20 01:13:50,382 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bc0b54b3/197c7fea5e2c40f2bbd1ada2efe089a8/FLAG17e745137 [2022-07-20 01:13:50,452 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bc0b54b3/197c7fea5e2c40f2bbd1ada2efe089a8 [2022-07-20 01:13:50,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:13:50,455 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:13:50,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:13:50,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:13:50,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:13:50,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:13:50" (1/1) ... [2022-07-20 01:13:50,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@740f80c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:13:50, skipping insertion in model container [2022-07-20 01:13:50,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:13:50" (1/1) ... [2022-07-20 01:13:50,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:13:50,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:13:52,773 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] [2022-07-20 01:13:52,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:13:52,847 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 01:13:52,896 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:13:53,203 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] [2022-07-20 01:13:53,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:13:53,229 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:13:53,498 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] [2022-07-20 01:13:53,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:13:53,661 INFO L208 MainTranslator]: Completed translation [2022-07-20 01:13:53,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:13:53 WrapperNode [2022-07-20 01:13:53,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 01:13:53,663 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 01:13:53,663 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 01:13:53,663 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 01:13:53,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:13:53" (1/1) ... [2022-07-20 01:13:53,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:13:53" (1/1) ... [2022-07-20 01:13:53,909 INFO L137 Inliner]: procedures = 479, calls = 3161, calls flagged for inlining = 208, calls inlined = 193, statements flattened = 7239 [2022-07-20 01:13:53,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 01:13:53,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 01:13:53,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 01:13:53,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 01:13:53,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:13:53" (1/1) ... [2022-07-20 01:13:53,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:13:53" (1/1) ... [2022-07-20 01:13:53,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:13:53" (1/1) ... [2022-07-20 01:13:53,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:13:53" (1/1) ... [2022-07-20 01:13:54,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:13:53" (1/1) ... [2022-07-20 01:13:54,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:13:53" (1/1) ... [2022-07-20 01:13:54,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:13:53" (1/1) ... [2022-07-20 01:13:54,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 01:13:54,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 01:13:54,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 01:13:54,183 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 01:13:54,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:13:53" (1/1) ... [2022-07-20 01:13:54,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:13:54,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 01:13:54,208 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) [2022-07-20 01:13:54,215 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 [2022-07-20 01:13:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-20 01:13:54,241 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-20 01:13:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-20 01:13:54,242 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-20 01:13:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2022-07-20 01:13:54,242 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2022-07-20 01:13:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 01:13:54,242 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 01:13:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2022-07-20 01:13:54,243 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2022-07-20 01:13:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-20 01:13:54,243 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-20 01:13:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 01:13:54,243 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 01:13:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-20 01:13:54,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-20 01:13:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 01:13:54,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 01:13:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2022-07-20 01:13:54,244 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2022-07-20 01:13:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-07-20 01:13:54,244 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-07-20 01:13:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_error_detected [2022-07-20 01:13:54,244 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_error_detected [2022-07-20 01:13:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_change_mtu [2022-07-20 01:13:54,244 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_change_mtu [2022-07-20 01:13:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-07-20 01:13:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-07-20 01:13:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-20 01:13:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-20 01:13:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 01:13:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 01:13:54,246 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 01:13:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 01:13:54,246 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 01:13:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 01:13:54,246 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2022-07-20 01:13:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2022-07-20 01:13:54,246 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2022-07-20 01:13:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2022-07-20 01:13:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-20 01:13:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-20 01:13:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2022-07-20 01:13:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2022-07-20 01:13:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 01:13:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 01:13:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-20 01:13:54,248 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-20 01:13:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 01:13:54,248 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 01:13:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 01:13:54,249 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 01:13:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2022-07-20 01:13:54,250 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2022-07-20 01:13:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-20 01:13:54,250 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-20 01:13:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-20 01:13:54,250 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-20 01:13:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 01:13:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-07-20 01:13:54,250 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-07-20 01:13:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-20 01:13:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 01:13:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 01:13:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 01:13:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2022-07-20 01:13:54,251 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2022-07-20 01:13:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-20 01:13:54,252 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-20 01:13:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2022-07-20 01:13:54,252 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2022-07-20 01:13:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-20 01:13:54,252 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-20 01:13:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 01:13:54,252 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 01:13:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-20 01:13:54,253 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-20 01:13:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2022-07-20 01:13:54,253 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2022-07-20 01:13:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 01:13:54,253 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 01:13:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 01:13:54,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 01:13:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2022-07-20 01:13:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2022-07-20 01:13:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_task [2022-07-20 01:13:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_task [2022-07-20 01:13:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-20 01:13:54,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-20 01:13:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 01:13:54,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 01:13:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-20 01:13:54,255 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-20 01:13:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 01:13:54,256 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 01:13:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-20 01:13:54,256 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-20 01:13:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-07-20 01:13:54,256 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-07-20 01:13:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-20 01:13:54,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-20 01:13:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2022-07-20 01:13:54,257 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2022-07-20 01:13:54,257 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-20 01:13:54,257 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-20 01:13:54,257 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 01:13:54,257 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 01:13:54,257 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2022-07-20 01:13:54,257 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2022-07-20 01:13:54,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 01:13:54,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 01:13:54,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 01:13:54,260 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2022-07-20 01:13:54,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2022-07-20 01:13:54,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 01:13:54,260 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-20 01:13:54,260 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-20 01:13:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_fix_features [2022-07-20 01:13:54,262 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_fix_features [2022-07-20 01:13:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 01:13:54,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 01:13:54,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 01:13:54,266 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 01:13:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 01:13:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 01:13:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 01:13:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-20 01:13:54,267 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-20 01:13:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2022-07-20 01:13:54,267 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2022-07-20 01:13:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-07-20 01:13:54,267 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-07-20 01:13:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-20 01:13:54,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-20 01:13:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2022-07-20 01:13:54,268 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2022-07-20 01:13:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-20 01:13:54,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-20 01:13:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-20 01:13:54,268 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-20 01:13:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 01:13:54,268 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 01:13:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2022-07-20 01:13:54,269 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2022-07-20 01:13:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_stats [2022-07-20 01:13:54,269 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_stats [2022-07-20 01:13:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-07-20 01:13:54,269 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-07-20 01:13:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-20 01:13:54,269 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-20 01:13:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 01:13:54,269 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 01:13:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2022-07-20 01:13:54,269 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2022-07-20 01:13:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 01:13:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-20 01:13:54,270 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-20 01:13:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-07-20 01:13:54,270 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-07-20 01:13:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 01:13:54,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 01:13:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-20 01:13:54,270 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-20 01:13:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 01:13:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-20 01:13:54,271 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-20 01:13:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 01:13:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 01:13:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 01:13:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 01:13:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 01:13:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 01:13:54,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 01:13:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-20 01:13:54,272 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-20 01:13:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-20 01:13:54,272 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-20 01:13:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2022-07-20 01:13:54,272 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2022-07-20 01:13:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2022-07-20 01:13:54,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2022-07-20 01:13:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 01:13:54,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 01:13:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-20 01:13:54,273 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-20 01:13:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-20 01:13:54,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-20 01:13:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-20 01:13:54,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-20 01:13:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_mac_addr [2022-07-20 01:13:54,274 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_mac_addr [2022-07-20 01:13:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-20 01:13:54,274 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-20 01:13:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 01:13:54,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 01:13:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2022-07-20 01:13:54,274 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2022-07-20 01:13:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 01:13:54,274 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 01:13:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 01:13:54,275 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 01:13:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-20 01:13:54,275 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-20 01:13:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2022-07-20 01:13:54,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2022-07-20 01:13:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 01:13:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 01:13:54,275 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 01:13:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-20 01:13:54,275 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-20 01:13:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 01:13:54,276 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 01:13:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2022-07-20 01:13:54,276 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2022-07-20 01:13:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 01:13:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2022-07-20 01:13:54,276 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2022-07-20 01:13:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2022-07-20 01:13:54,276 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2022-07-20 01:13:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-20 01:13:54,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-20 01:13:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-20 01:13:54,277 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-20 01:13:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 01:13:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 01:13:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 01:13:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2022-07-20 01:13:54,277 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2022-07-20 01:13:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 01:13:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 01:13:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2022-07-20 01:13:54,278 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2022-07-20 01:13:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2022-07-20 01:13:54,278 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2022-07-20 01:13:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 01:13:54,278 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 01:13:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-20 01:13:54,278 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-20 01:13:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-20 01:13:54,281 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-20 01:13:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-20 01:13:54,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-20 01:13:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 01:13:54,282 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 01:13:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-20 01:13:54,282 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-20 01:13:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-20 01:13:54,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-20 01:13:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_ioctl [2022-07-20 01:13:54,287 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_ioctl [2022-07-20 01:13:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_link_chg_task [2022-07-20 01:13:54,287 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_link_chg_task [2022-07-20 01:13:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2022-07-20 01:13:54,287 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2022-07-20 01:13:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2022-07-20 01:13:54,287 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2022-07-20 01:13:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2022-07-20 01:13:54,287 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2022-07-20 01:13:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 01:13:54,287 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 01:13:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-20 01:13:54,287 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-20 01:13:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 01:13:54,287 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 01:13:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2022-07-20 01:13:54,288 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2022-07-20 01:13:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-20 01:13:54,288 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-20 01:13:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2022-07-20 01:13:54,288 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2022-07-20 01:13:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 01:13:54,288 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 01:13:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_slot_reset [2022-07-20 01:13:54,288 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_slot_reset [2022-07-20 01:13:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2022-07-20 01:13:54,288 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2022-07-20 01:13:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 01:13:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 01:13:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 01:13:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 01:13:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 01:13:54,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 01:13:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2022-07-20 01:13:54,288 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2022-07-20 01:13:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2022-07-20 01:13:54,288 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2022-07-20 01:13:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-20 01:13:54,288 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-20 01:13:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 01:13:54,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 01:13:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-20 01:13:54,289 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-20 01:13:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_features [2022-07-20 01:13:54,289 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_features [2022-07-20 01:13:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-20 01:13:54,289 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-20 01:13:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2022-07-20 01:13:54,289 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2022-07-20 01:13:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-20 01:13:54,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-20 01:13:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-07-20 01:13:54,289 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-07-20 01:13:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_6 [2022-07-20 01:13:54,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_6 [2022-07-20 01:13:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-20 01:13:54,289 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-20 01:13:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2022-07-20 01:13:54,289 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2022-07-20 01:13:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-20 01:13:54,289 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-20 01:13:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-20 01:13:54,289 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-20 01:13:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2022-07-20 01:13:54,289 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2022-07-20 01:13:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-07-20 01:13:54,290 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-07-20 01:13:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-20 01:13:54,290 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-20 01:13:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-20 01:13:54,290 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-20 01:13:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-07-20 01:13:54,290 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-07-20 01:13:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2022-07-20 01:13:54,290 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2022-07-20 01:13:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2022-07-20 01:13:54,290 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2022-07-20 01:13:55,115 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 01:13:55,122 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 01:13:55,660 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 01:14:56,143 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 01:14:56,160 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 01:14:56,160 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 01:14:56,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:14:56 BoogieIcfgContainer [2022-07-20 01:14:56,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 01:14:56,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 01:14:56,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 01:14:56,168 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 01:14:56,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:13:50" (1/3) ... [2022-07-20 01:14:56,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ac59bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:14:56, skipping insertion in model container [2022-07-20 01:14:56,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:13:53" (2/3) ... [2022-07-20 01:14:56,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ac59bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:14:56, skipping insertion in model container [2022-07-20 01:14:56,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:14:56" (3/3) ... [2022-07-20 01:14:56,170 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 [2022-07-20 01:14:56,180 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 01:14:56,180 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 01:14:56,243 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 01:14:56,247 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@2b59701f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4a438075 [2022-07-20 01:14:56,247 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 01:14:56,256 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) [2022-07-20 01:14:56,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-07-20 01:14:56,290 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:14:56,291 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] [2022-07-20 01:14:56,292 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:14:56,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:14:56,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1343496821, now seen corresponding path program 1 times [2022-07-20 01:14:56,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:14:56,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [144412113] [2022-07-20 01:14:56,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:14:56,312 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:14:56,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:14:56,314 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) [2022-07-20 01:14:56,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 01:14:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:14:59,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 2381 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-20 01:14:59,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:14:59,622 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-07-20 01:14:59,623 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:14:59,623 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:14:59,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [144412113] [2022-07-20 01:14:59,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [144412113] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:14:59,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:14:59,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:14:59,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542796822] [2022-07-20 01:14:59,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:14:59,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:14:59,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:14:59,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:14:59,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:14:59,651 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) [2022-07-20 01:15:00,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:15:00,795 INFO L93 Difference]: Finished difference Result 5461 states and 7798 transitions. [2022-07-20 01:15:00,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 01:15:00,799 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 [2022-07-20 01:15:00,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:15:00,826 INFO L225 Difference]: With dead ends: 5461 [2022-07-20 01:15:00,827 INFO L226 Difference]: Without dead ends: 2704 [2022-07-20 01:15:00,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-20 01:15:00,844 INFO L413 NwaCegarLoop]: 3860 mSDtfsCounter, 6 mSDsluCounter, 15414 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 19274 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-20 01:15:00,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 19274 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-20 01:15:00,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2704 states. [2022-07-20 01:15:00,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2704 to 2704. [2022-07-20 01:15:00,985 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) [2022-07-20 01:15:00,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3832 transitions. [2022-07-20 01:15:01,000 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3832 transitions. Word has length 175 [2022-07-20 01:15:01,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:15:01,001 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3832 transitions. [2022-07-20 01:15:01,001 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) [2022-07-20 01:15:01,001 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3832 transitions. [2022-07-20 01:15:01,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-07-20 01:15:01,008 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:15:01,008 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] [2022-07-20 01:15:01,063 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-20 01:15:01,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:15:01,219 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:15:01,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:15:01,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1977155801, now seen corresponding path program 1 times [2022-07-20 01:15:01,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:15:01,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1707698999] [2022-07-20 01:15:01,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:15:01,223 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:15:01,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:15:01,224 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) [2022-07-20 01:15:01,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 01:15:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:04,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 2447 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-20 01:15:04,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:15:04,631 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 60 proven. 1 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2022-07-20 01:15:04,631 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 01:15:06,015 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2022-07-20 01:15:06,016 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:15:06,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1707698999] [2022-07-20 01:15:06,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1707698999] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 01:15:06,016 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 01:15:06,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-20 01:15:06,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439466912] [2022-07-20 01:15:06,017 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 01:15:06,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-20 01:15:06,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:15:06,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-20 01:15:06,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-20 01:15:06,019 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) [2022-07-20 01:15:07,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:15:07,929 INFO L93 Difference]: Finished difference Result 5407 states and 7675 transitions. [2022-07-20 01:15:07,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-20 01:15:07,930 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 [2022-07-20 01:15:07,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:15:07,943 INFO L225 Difference]: With dead ends: 5407 [2022-07-20 01:15:07,943 INFO L226 Difference]: Without dead ends: 2712 [2022-07-20 01:15:07,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-20 01:15:07,953 INFO L413 NwaCegarLoop]: 3816 mSDtfsCounter, 14 mSDsluCounter, 22857 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.4s IncrementalHoareTripleChecker+Time [2022-07-20 01:15:07,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 26673 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-20 01:15:07,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2712 states. [2022-07-20 01:15:08,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2712 to 2710. [2022-07-20 01:15:08,016 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) [2022-07-20 01:15:08,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3839 transitions. [2022-07-20 01:15:08,031 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3839 transitions. Word has length 181 [2022-07-20 01:15:08,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:15:08,033 INFO L495 AbstractCegarLoop]: Abstraction has 2710 states and 3839 transitions. [2022-07-20 01:15:08,033 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) [2022-07-20 01:15:08,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3839 transitions. [2022-07-20 01:15:08,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-20 01:15:08,038 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:15:08,038 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] [2022-07-20 01:15:08,104 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-20 01:15:08,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:15:08,251 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:15:08,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:15:08,252 INFO L85 PathProgramCache]: Analyzing trace with hash 169060683, now seen corresponding path program 2 times [2022-07-20 01:15:08,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:15:08,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1516799814] [2022-07-20 01:15:08,254 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 01:15:08,254 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:15:08,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:15:08,256 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) [2022-07-20 01:15:08,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 01:15:10,590 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 01:15:10,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 01:15:10,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 2050 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:15:10,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:15:10,954 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2022-07-20 01:15:10,954 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:15:10,954 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:15:10,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1516799814] [2022-07-20 01:15:10,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1516799814] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:15:10,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:15:10,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:15:10,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262103747] [2022-07-20 01:15:10,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:15:10,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:15:10,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:15:10,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:15:10,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:15:10,956 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) [2022-07-20 01:15:12,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:15:12,024 INFO L93 Difference]: Finished difference Result 7374 states and 10438 transitions. [2022-07-20 01:15:12,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:15:12,025 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 [2022-07-20 01:15:12,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:15:12,055 INFO L225 Difference]: With dead ends: 7374 [2022-07-20 01:15:12,055 INFO L226 Difference]: Without dead ends: 4700 [2022-07-20 01:15:12,071 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 [2022-07-20 01:15:12,073 INFO L413 NwaCegarLoop]: 4321 mSDtfsCounter, 2853 mSDsluCounter, 3650 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2853 SdHoareTripleChecker+Valid, 7971 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-20 01:15:12,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2853 Valid, 7971 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-20 01:15:12,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4700 states. [2022-07-20 01:15:12,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4700 to 4650. [2022-07-20 01:15:12,196 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) [2022-07-20 01:15:12,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4650 states to 4650 states and 6585 transitions. [2022-07-20 01:15:12,212 INFO L78 Accepts]: Start accepts. Automaton has 4650 states and 6585 transitions. Word has length 187 [2022-07-20 01:15:12,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:15:12,213 INFO L495 AbstractCegarLoop]: Abstraction has 4650 states and 6585 transitions. [2022-07-20 01:15:12,213 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) [2022-07-20 01:15:12,213 INFO L276 IsEmpty]: Start isEmpty. Operand 4650 states and 6585 transitions. [2022-07-20 01:15:12,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-07-20 01:15:12,220 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:15:12,220 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] [2022-07-20 01:15:12,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-20 01:15:12,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:15:12,434 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:15:12,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:15:12,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1445243466, now seen corresponding path program 1 times [2022-07-20 01:15:12,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:15:12,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1049140129] [2022-07-20 01:15:12,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:15:12,436 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:15:12,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:15:12,437 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) [2022-07-20 01:15:12,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 01:15:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:15,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 2583 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-20 01:15:15,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:15:15,861 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 365 proven. 3 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2022-07-20 01:15:15,861 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 01:15:17,713 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2022-07-20 01:15:17,713 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:15:17,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1049140129] [2022-07-20 01:15:17,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1049140129] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 01:15:17,714 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 01:15:17,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-20 01:15:17,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530212396] [2022-07-20 01:15:17,714 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 01:15:17,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-20 01:15:17,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:15:17,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-20 01:15:17,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-20 01:15:17,715 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) [2022-07-20 01:15:20,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:15:20,840 INFO L93 Difference]: Finished difference Result 9304 states and 13193 transitions. [2022-07-20 01:15:20,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-20 01:15:20,841 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 [2022-07-20 01:15:20,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:15:20,871 INFO L225 Difference]: With dead ends: 9304 [2022-07-20 01:15:20,871 INFO L226 Difference]: Without dead ends: 4660 [2022-07-20 01:15:20,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 529 GetRequests, 513 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2022-07-20 01:15:20,891 INFO L413 NwaCegarLoop]: 3817 mSDtfsCounter, 14 mSDsluCounter, 38092 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.4s IncrementalHoareTripleChecker+Time [2022-07-20 01:15:20,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 41909 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-20 01:15:20,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4660 states. [2022-07-20 01:15:21,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4660 to 4652. [2022-07-20 01:15:21,044 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) [2022-07-20 01:15:21,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4652 states to 4652 states and 6589 transitions. [2022-07-20 01:15:21,059 INFO L78 Accepts]: Start accepts. Automaton has 4652 states and 6589 transitions. Word has length 263 [2022-07-20 01:15:21,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:15:21,059 INFO L495 AbstractCegarLoop]: Abstraction has 4652 states and 6589 transitions. [2022-07-20 01:15:21,064 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) [2022-07-20 01:15:21,065 INFO L276 IsEmpty]: Start isEmpty. Operand 4652 states and 6589 transitions. [2022-07-20 01:15:21,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-07-20 01:15:21,072 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:15:21,072 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] [2022-07-20 01:15:21,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-20 01:15:21,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:15:21,287 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:15:21,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:15:21,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1904306258, now seen corresponding path program 2 times [2022-07-20 01:15:21,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:15:21,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [651297496] [2022-07-20 01:15:21,289 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 01:15:21,290 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:15:21,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:15:21,291 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) [2022-07-20 01:15:21,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 01:15:23,339 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 01:15:23,340 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 01:15:23,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 1805 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:15:23,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:15:26,787 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2022-07-20 01:15:26,787 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:15:26,788 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:15:26,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [651297496] [2022-07-20 01:15:26,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [651297496] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:15:26,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:15:26,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 01:15:26,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792465037] [2022-07-20 01:15:26,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:15:26,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:15:26,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:15:26,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:15:26,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:15:26,789 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) [2022-07-20 01:15:26,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:15:26,929 INFO L93 Difference]: Finished difference Result 9020 states and 12807 transitions. [2022-07-20 01:15:26,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:15:26,929 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 [2022-07-20 01:15:26,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:15:26,973 INFO L225 Difference]: With dead ends: 9020 [2022-07-20 01:15:26,973 INFO L226 Difference]: Without dead ends: 9017 [2022-07-20 01:15:26,980 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 [2022-07-20 01:15:26,980 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 [2022-07-20 01:15:26,981 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] [2022-07-20 01:15:26,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9017 states. [2022-07-20 01:15:27,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9017 to 8974. [2022-07-20 01:15:27,177 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) [2022-07-20 01:15:27,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8974 states to 8974 states and 12729 transitions. [2022-07-20 01:15:27,204 INFO L78 Accepts]: Start accepts. Automaton has 8974 states and 12729 transitions. Word has length 269 [2022-07-20 01:15:27,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:15:27,205 INFO L495 AbstractCegarLoop]: Abstraction has 8974 states and 12729 transitions. [2022-07-20 01:15:27,206 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) [2022-07-20 01:15:27,206 INFO L276 IsEmpty]: Start isEmpty. Operand 8974 states and 12729 transitions. [2022-07-20 01:15:27,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2022-07-20 01:15:27,228 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:15:27,229 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] [2022-07-20 01:15:27,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-20 01:15:27,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:15:27,448 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:15:27,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:15:27,448 INFO L85 PathProgramCache]: Analyzing trace with hash 379216905, now seen corresponding path program 1 times [2022-07-20 01:15:27,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:15:27,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [700073956] [2022-07-20 01:15:27,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:15:27,451 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:15:27,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:15:27,452 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) [2022-07-20 01:15:27,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-20 01:15:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:35,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 7987 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-20 01:15:35,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:15:35,766 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 176 proven. 6 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2022-07-20 01:15:35,766 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 01:15:38,128 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 0 proven. 116 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2022-07-20 01:15:38,128 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:15:38,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [700073956] [2022-07-20 01:15:38,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [700073956] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 01:15:38,128 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 01:15:38,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-20 01:15:38,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181574645] [2022-07-20 01:15:38,129 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 01:15:38,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-20 01:15:38,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:15:38,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-20 01:15:38,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-20 01:15:38,132 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) [2022-07-20 01:15:41,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:15:41,313 INFO L93 Difference]: Finished difference Result 17970 states and 25525 transitions. [2022-07-20 01:15:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-20 01:15:41,314 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 [2022-07-20 01:15:41,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:15:41,358 INFO L225 Difference]: With dead ends: 17970 [2022-07-20 01:15:41,359 INFO L226 Difference]: Without dead ends: 9002 [2022-07-20 01:15:41,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 990 GetRequests, 971 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2022-07-20 01:15:41,383 INFO L413 NwaCegarLoop]: 3818 mSDtfsCounter, 25 mSDsluCounter, 26670 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.3s IncrementalHoareTripleChecker+Time [2022-07-20 01:15:41,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 30488 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-20 01:15:41,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9002 states. [2022-07-20 01:15:41,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9002 to 8978. [2022-07-20 01:15:41,562 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) [2022-07-20 01:15:41,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8978 states to 8978 states and 12737 transitions. [2022-07-20 01:15:41,588 INFO L78 Accepts]: Start accepts. Automaton has 8978 states and 12737 transitions. Word has length 493 [2022-07-20 01:15:41,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:15:41,589 INFO L495 AbstractCegarLoop]: Abstraction has 8978 states and 12737 transitions. [2022-07-20 01:15:41,589 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) [2022-07-20 01:15:41,589 INFO L276 IsEmpty]: Start isEmpty. Operand 8978 states and 12737 transitions. [2022-07-20 01:15:41,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2022-07-20 01:15:41,610 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:15:41,610 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] [2022-07-20 01:15:41,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-20 01:15:41,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:15:41,831 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:15:41,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:15:41,832 INFO L85 PathProgramCache]: Analyzing trace with hash -617231059, now seen corresponding path program 2 times [2022-07-20 01:15:41,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:15:41,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [665258072] [2022-07-20 01:15:41,835 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 01:15:41,835 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:15:41,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:15:41,836 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) [2022-07-20 01:15:41,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-20 01:15:44,814 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 01:15:44,815 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 01:15:44,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 2051 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-20 01:15:44,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:15:45,150 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 764 trivial. 0 not checked. [2022-07-20 01:15:45,150 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:15:45,150 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:15:45,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [665258072] [2022-07-20 01:15:45,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [665258072] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:15:45,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:15:45,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 01:15:45,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325450419] [2022-07-20 01:15:45,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:15:45,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 01:15:45,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:15:45,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 01:15:45,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 01:15:45,152 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) [2022-07-20 01:15:45,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:15:45,514 INFO L93 Difference]: Finished difference Result 12340 states and 18053 transitions. [2022-07-20 01:15:45,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 01:15:45,515 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 [2022-07-20 01:15:45,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:15:45,560 INFO L225 Difference]: With dead ends: 12340 [2022-07-20 01:15:45,561 INFO L226 Difference]: Without dead ends: 12337 [2022-07-20 01:15:45,569 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 [2022-07-20 01:15:45,570 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, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:15:45,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1406 Valid, 20558 Invalid, 16 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 01:15:45,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12337 states. [2022-07-20 01:15:45,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12337 to 8986. [2022-07-20 01:15:45,815 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) [2022-07-20 01:15:45,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8986 states to 8986 states and 12743 transitions. [2022-07-20 01:15:45,842 INFO L78 Accepts]: Start accepts. Automaton has 8986 states and 12743 transitions. Word has length 499 [2022-07-20 01:15:45,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:15:45,843 INFO L495 AbstractCegarLoop]: Abstraction has 8986 states and 12743 transitions. [2022-07-20 01:15:45,843 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) [2022-07-20 01:15:45,843 INFO L276 IsEmpty]: Start isEmpty. Operand 8986 states and 12743 transitions. [2022-07-20 01:15:45,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2022-07-20 01:15:45,869 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:15:45,869 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] [2022-07-20 01:15:45,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-20 01:15:46,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:15:46,084 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:15:46,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:15:46,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1432241005, now seen corresponding path program 1 times [2022-07-20 01:15:46,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:15:46,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2120217803] [2022-07-20 01:15:46,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:15:46,087 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:15:46,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:15:46,088 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) [2022-07-20 01:15:46,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-20 01:15:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:56,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 8156 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-20 01:15:56,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:15:57,452 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 413 proven. 10 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2022-07-20 01:15:57,452 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 01:16:00,233 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 95 proven. 72 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2022-07-20 01:16:00,233 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:16:00,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2120217803] [2022-07-20 01:16:00,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2120217803] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 01:16:00,234 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 01:16:00,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2022-07-20 01:16:00,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597658573] [2022-07-20 01:16:00,234 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 01:16:00,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-20 01:16:00,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:16:00,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-20 01:16:00,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2022-07-20 01:16:00,236 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) [2022-07-20 01:16:03,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:16:03,922 INFO L93 Difference]: Finished difference Result 18005 states and 25578 transitions. [2022-07-20 01:16:03,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-20 01:16:03,923 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 [2022-07-20 01:16:03,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:16:03,958 INFO L225 Difference]: With dead ends: 18005 [2022-07-20 01:16:03,959 INFO L226 Difference]: Without dead ends: 9028 [2022-07-20 01:16:04,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1034 GetRequests, 1013 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2022-07-20 01:16:04,050 INFO L413 NwaCegarLoop]: 3818 mSDtfsCounter, 79 mSDsluCounter, 30482 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s 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, 2.8s IncrementalHoareTripleChecker+Time [2022-07-20 01:16:04,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 34300 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-20 01:16:04,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9028 states. [2022-07-20 01:16:04,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9028 to 8998. [2022-07-20 01:16:04,249 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) [2022-07-20 01:16:04,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8998 states to 8998 states and 12765 transitions. [2022-07-20 01:16:04,278 INFO L78 Accepts]: Start accepts. Automaton has 8998 states and 12765 transitions. Word has length 515 [2022-07-20 01:16:04,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:16:04,279 INFO L495 AbstractCegarLoop]: Abstraction has 8998 states and 12765 transitions. [2022-07-20 01:16:04,279 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) [2022-07-20 01:16:04,279 INFO L276 IsEmpty]: Start isEmpty. Operand 8998 states and 12765 transitions. [2022-07-20 01:16:04,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2022-07-20 01:16:04,299 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:16:04,299 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] [2022-07-20 01:16:04,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-20 01:16:04,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:16:04,515 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:16:04,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:16:04,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1068023619, now seen corresponding path program 2 times [2022-07-20 01:16:04,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:16:04,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2146518852] [2022-07-20 01:16:04,518 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 01:16:04,518 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:16:04,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:16:04,520 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) [2022-07-20 01:16:04,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process