./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 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-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-?-6c24879 [2022-07-12 14:10:59,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 14:10:59,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 14:10:59,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 14:10:59,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 14:10:59,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 14:10:59,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 14:10:59,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 14:10:59,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 14:10:59,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 14:10:59,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 14:10:59,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 14:10:59,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 14:10:59,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 14:10:59,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 14:10:59,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 14:10:59,191 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 14:10:59,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 14:10:59,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 14:10:59,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 14:10:59,206 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 14:10:59,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 14:10:59,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 14:10:59,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 14:10:59,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 14:10:59,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 14:10:59,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 14:10:59,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 14:10:59,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 14:10:59,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 14:10:59,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 14:10:59,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 14:10:59,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 14:10:59,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 14:10:59,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 14:10:59,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 14:10:59,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 14:10:59,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 14:10:59,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 14:10:59,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 14:10:59,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 14:10:59,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 14:10:59,222 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 14:10:59,244 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 14:10:59,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 14:10:59,245 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 14:10:59,245 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 14:10:59,246 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 14:10:59,246 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 14:10:59,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 14:10:59,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 14:10:59,247 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 14:10:59,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 14:10:59,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 14:10:59,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 14:10:59,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 14:10:59,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 14:10:59,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 14:10:59,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 14:10:59,248 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 14:10:59,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 14:10:59,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 14:10:59,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 14:10:59,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 14:10:59,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:10:59,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 14:10:59,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 14:10:59,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 14:10:59,250 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 14:10:59,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 14:10:59,251 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 14:10:59,251 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 14:10:59,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 14:10:59,251 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e5652ce767ff2e1bcbd3f583f8e33ee2c54a0e67349cc7d1c1f8d74e875d01c [2022-07-12 14:10:59,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 14:10:59,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 14:10:59,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 14:10:59,457 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 14:10:59,457 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 14:10:59,458 INFO L432 ainManager$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 [2022-07-12 14:10:59,512 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb3a241c4/932e7c6b690b429ebfa450df437d56a2/FLAGb16707cf5 [2022-07-12 14:11:00,153 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 14:11:00,154 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 [2022-07-12 14:11:00,194 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb3a241c4/932e7c6b690b429ebfa450df437d56a2/FLAGb16707cf5 [2022-07-12 14:11:00,486 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb3a241c4/932e7c6b690b429ebfa450df437d56a2 [2022-07-12 14:11:00,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 14:11:00,489 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 14:11:00,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 14:11:00,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 14:11:00,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 14:11:00,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:11:00" (1/1) ... [2022-07-12 14:11:00,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@479be0f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:11:00, skipping insertion in model container [2022-07-12 14:11:00,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:11:00" (1/1) ... [2022-07-12 14:11:00,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 14:11:00,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:11:02,762 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] [2022-07-12 14:11:02,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:11:02,862 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 14:11:03,022 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) [2022-07-12 14:11:03,026 INFO L158 Benchmark]: Toolchain (without parser) took 2536.36ms. Allocated memory was 90.2MB in the beginning and 165.7MB in the end (delta: 75.5MB). Free memory was 55.6MB in the beginning and 84.4MB in the end (delta: -28.8MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. [2022-07-12 14:11:03,027 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 90.2MB. Free memory was 60.3MB in the beginning and 60.3MB in the end (delta: 31.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 14:11:03,028 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2534.09ms. Allocated memory was 90.2MB in the beginning and 165.7MB in the end (delta: 75.5MB). Free memory was 55.3MB in the beginning and 84.4MB in the end (delta: -29.1MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. [2022-07-12 14:11:03,029 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 90.2MB. Free memory was 60.3MB in the beginning and 60.3MB in the end (delta: 31.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2534.09ms. Allocated memory was 90.2MB in the beginning and 165.7MB in the end (delta: 75.5MB). Free memory was 55.3MB in the beginning and 84.4MB in the end (delta: -29.1MB). Peak memory consumption was 86.0MB. 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-?-6c24879 [2022-07-12 14:11:04,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 14:11:04,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 14:11:04,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 14:11:04,606 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 14:11:04,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 14:11:04,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 14:11:04,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 14:11:04,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 14:11:04,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 14:11:04,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 14:11:04,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 14:11:04,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 14:11:04,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 14:11:04,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 14:11:04,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 14:11:04,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 14:11:04,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 14:11:04,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 14:11:04,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 14:11:04,633 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 14:11:04,634 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 14:11:04,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 14:11:04,636 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 14:11:04,637 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 14:11:04,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 14:11:04,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 14:11:04,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 14:11:04,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 14:11:04,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 14:11:04,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 14:11:04,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 14:11:04,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 14:11:04,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 14:11:04,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 14:11:04,650 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 14:11:04,650 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 14:11:04,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 14:11:04,651 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 14:11:04,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 14:11:04,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 14:11:04,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 14:11:04,656 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 14:11:04,676 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 14:11:04,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 14:11:04,677 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 14:11:04,677 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 14:11:04,677 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 14:11:04,677 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 14:11:04,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 14:11:04,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 14:11:04,678 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 14:11:04,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 14:11:04,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 14:11:04,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 14:11:04,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 14:11:04,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 14:11:04,680 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 14:11:04,680 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 14:11:04,680 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 14:11:04,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 14:11:04,680 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 14:11:04,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 14:11:04,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 14:11:04,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 14:11:04,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 14:11:04,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:11:04,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 14:11:04,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 14:11:04,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 14:11:04,681 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 14:11:04,682 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 14:11:04,682 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 14:11:04,682 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 14:11:04,682 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 14:11:04,682 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 14:11:04,682 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e5652ce767ff2e1bcbd3f583f8e33ee2c54a0e67349cc7d1c1f8d74e875d01c [2022-07-12 14:11:04,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 14:11:04,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 14:11:04,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 14:11:04,967 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 14:11:04,967 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 14:11:04,968 INFO L432 ainManager$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 [2022-07-12 14:11:05,024 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83b1a33ec/5fe235332a5f46c3ae7410aeecdd9efd/FLAG6cd078a66 [2022-07-12 14:11:05,668 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 14:11:05,668 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 [2022-07-12 14:11:05,706 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83b1a33ec/5fe235332a5f46c3ae7410aeecdd9efd/FLAG6cd078a66 [2022-07-12 14:11:05,762 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83b1a33ec/5fe235332a5f46c3ae7410aeecdd9efd [2022-07-12 14:11:05,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 14:11:05,765 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 14:11:05,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 14:11:05,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 14:11:05,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 14:11:05,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:11:05" (1/1) ... [2022-07-12 14:11:05,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9de2a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:11:05, skipping insertion in model container [2022-07-12 14:11:05,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:11:05" (1/1) ... [2022-07-12 14:11:05,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 14:11:05,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:11:08,046 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] [2022-07-12 14:11:08,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:11:08,156 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 14:11:08,277 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:11:08,543 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] [2022-07-12 14:11:08,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:11:08,584 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 14:11:09,046 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] [2022-07-12 14:11:09,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:11:09,266 INFO L208 MainTranslator]: Completed translation [2022-07-12 14:11:09,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:11:09 WrapperNode [2022-07-12 14:11:09,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 14:11:09,267 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 14:11:09,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 14:11:09,268 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 14:11:09,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:11:09" (1/1) ... [2022-07-12 14:11:09,371 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:11:09" (1/1) ... [2022-07-12 14:11:09,530 INFO L137 Inliner]: procedures = 479, calls = 3161, calls flagged for inlining = 208, calls inlined = 193, statements flattened = 7239 [2022-07-12 14:11:09,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 14:11:09,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 14:11:09,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 14:11:09,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 14:11:09,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:11:09" (1/1) ... [2022-07-12 14:11:09,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:11:09" (1/1) ... [2022-07-12 14:11:09,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:11:09" (1/1) ... [2022-07-12 14:11:09,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:11:09" (1/1) ... [2022-07-12 14:11:09,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:11:09" (1/1) ... [2022-07-12 14:11:09,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:11:09" (1/1) ... [2022-07-12 14:11:09,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:11:09" (1/1) ... [2022-07-12 14:11:09,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 14:11:09,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 14:11:09,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 14:11:09,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 14:11:09,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:11:09" (1/1) ... [2022-07-12 14:11:09,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:11:09,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 14:11:09,836 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 14:11:09,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 14:11:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-12 14:11:09,869 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-12 14:11:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-12 14:11:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-12 14:11:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2022-07-12 14:11:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2022-07-12 14:11:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 14:11:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 14:11:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2022-07-12 14:11:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2022-07-12 14:11:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-12 14:11:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-12 14:11:09,871 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 14:11:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 14:11:09,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-12 14:11:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-12 14:11:09,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 14:11:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 14:11:09,872 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2022-07-12 14:11:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2022-07-12 14:11:09,872 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-07-12 14:11:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-07-12 14:11:09,872 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_error_detected [2022-07-12 14:11:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_error_detected [2022-07-12 14:11:09,872 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_change_mtu [2022-07-12 14:11:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_change_mtu [2022-07-12 14:11:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-07-12 14:11:09,873 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-07-12 14:11:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-12 14:11:09,873 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-12 14:11:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 14:11:09,873 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 14:11:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 14:11:09,874 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 14:11:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 14:11:09,874 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 14:11:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2022-07-12 14:11:09,874 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2022-07-12 14:11:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2022-07-12 14:11:09,874 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2022-07-12 14:11:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-12 14:11:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-12 14:11:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2022-07-12 14:11:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2022-07-12 14:11:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 14:11:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 14:11:09,876 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-12 14:11:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-12 14:11:09,876 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 14:11:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 14:11:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 14:11:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 14:11:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2022-07-12 14:11:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2022-07-12 14:11:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-12 14:11:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-12 14:11:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-12 14:11:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-12 14:11:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 14:11:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-07-12 14:11:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-07-12 14:11:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 14:11:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 14:11:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 14:11:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 14:11:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2022-07-12 14:11:09,880 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2022-07-12 14:11:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-12 14:11:09,880 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-12 14:11:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2022-07-12 14:11:09,881 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2022-07-12 14:11:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-12 14:11:09,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-12 14:11:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 14:11:09,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 14:11:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 14:11:09,881 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 14:11:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2022-07-12 14:11:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2022-07-12 14:11:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 14:11:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 14:11:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 14:11:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 14:11:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2022-07-12 14:11:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2022-07-12 14:11:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_task [2022-07-12 14:11:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_task [2022-07-12 14:11:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-12 14:11:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-12 14:11:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 14:11:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 14:11:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-12 14:11:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-12 14:11:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 14:11:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 14:11:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-12 14:11:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-12 14:11:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-07-12 14:11:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-07-12 14:11:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 14:11:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 14:11:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2022-07-12 14:11:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2022-07-12 14:11:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-12 14:11:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-12 14:11:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 14:11:09,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 14:11:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2022-07-12 14:11:09,887 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2022-07-12 14:11:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-12 14:11:09,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-12 14:11:09,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 14:11:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2022-07-12 14:11:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2022-07-12 14:11:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 14:11:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-12 14:11:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-12 14:11:09,891 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_fix_features [2022-07-12 14:11:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_fix_features [2022-07-12 14:11:09,892 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 14:11:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 14:11:09,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 14:11:09,896 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 14:11:09,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 14:11:09,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 14:11:09,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 14:11:09,896 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-12 14:11:09,896 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-12 14:11:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2022-07-12 14:11:09,897 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2022-07-12 14:11:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-07-12 14:11:09,897 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-07-12 14:11:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-12 14:11:09,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-12 14:11:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2022-07-12 14:11:09,897 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2022-07-12 14:11:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-12 14:11:09,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-12 14:11:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-12 14:11:09,898 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-12 14:11:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 14:11:09,898 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 14:11:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2022-07-12 14:11:09,898 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2022-07-12 14:11:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_stats [2022-07-12 14:11:09,899 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_stats [2022-07-12 14:11:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-07-12 14:11:09,899 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-07-12 14:11:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-12 14:11:09,899 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-12 14:11:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 14:11:09,899 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 14:11:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2022-07-12 14:11:09,900 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2022-07-12 14:11:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 14:11:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-12 14:11:09,900 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-12 14:11:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-07-12 14:11:09,900 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-07-12 14:11:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 14:11:09,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 14:11:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-12 14:11:09,901 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-12 14:11:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 14:11:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 14:11:09,901 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 14:11:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 14:11:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 14:11:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 14:11:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 14:11:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 14:11:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 14:11:09,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 14:11:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 14:11:09,902 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 14:11:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-12 14:11:09,903 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-12 14:11:09,903 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2022-07-12 14:11:09,903 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2022-07-12 14:11:09,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2022-07-12 14:11:09,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2022-07-12 14:11:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 14:11:09,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 14:11:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-12 14:11:09,904 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-12 14:11:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-12 14:11:09,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-12 14:11:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-12 14:11:09,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-12 14:11:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_mac_addr [2022-07-12 14:11:09,905 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_mac_addr [2022-07-12 14:11:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-12 14:11:09,906 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-12 14:11:09,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 14:11:09,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 14:11:09,906 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2022-07-12 14:11:09,906 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2022-07-12 14:11:09,906 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 14:11:09,906 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 14:11:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 14:11:09,907 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 14:11:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-12 14:11:09,907 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-12 14:11:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2022-07-12 14:11:09,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2022-07-12 14:11:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 14:11:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 14:11:09,908 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 14:11:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-12 14:11:09,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-12 14:11:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 14:11:09,908 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 14:11:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2022-07-12 14:11:09,908 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2022-07-12 14:11:09,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 14:11:09,909 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2022-07-12 14:11:09,909 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2022-07-12 14:11:09,909 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2022-07-12 14:11:09,909 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2022-07-12 14:11:09,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-12 14:11:09,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-12 14:11:09,910 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-12 14:11:09,910 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-12 14:11:09,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 14:11:09,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 14:11:09,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 14:11:09,910 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2022-07-12 14:11:09,910 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2022-07-12 14:11:09,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 14:11:09,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 14:11:09,911 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2022-07-12 14:11:09,911 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2022-07-12 14:11:09,911 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2022-07-12 14:11:09,911 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2022-07-12 14:11:09,911 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 14:11:09,911 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 14:11:09,912 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-12 14:11:09,912 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-12 14:11:09,913 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-12 14:11:09,915 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-12 14:11:09,915 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-12 14:11:09,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-12 14:11:09,915 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 14:11:09,915 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 14:11:09,915 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-12 14:11:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-12 14:11:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 14:11:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 14:11:09,917 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_ioctl [2022-07-12 14:11:09,917 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_ioctl [2022-07-12 14:11:09,917 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_link_chg_task [2022-07-12 14:11:09,917 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_link_chg_task [2022-07-12 14:11:09,917 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2022-07-12 14:11:09,917 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2022-07-12 14:11:09,917 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2022-07-12 14:11:09,917 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2022-07-12 14:11:09,917 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2022-07-12 14:11:09,918 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2022-07-12 14:11:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 14:11:09,918 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 14:11:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-12 14:11:09,918 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-12 14:11:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 14:11:09,918 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 14:11:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2022-07-12 14:11:09,918 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2022-07-12 14:11:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-12 14:11:09,919 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-12 14:11:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2022-07-12 14:11:09,919 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2022-07-12 14:11:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 14:11:09,919 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 14:11:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_slot_reset [2022-07-12 14:11:09,919 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_slot_reset [2022-07-12 14:11:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2022-07-12 14:11:09,919 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2022-07-12 14:11:09,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 14:11:09,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 14:11:09,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 14:11:09,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 14:11:09,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 14:11:09,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 14:11:09,920 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2022-07-12 14:11:09,920 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2022-07-12 14:11:09,920 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2022-07-12 14:11:09,920 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2022-07-12 14:11:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-12 14:11:09,921 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-12 14:11:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-12 14:11:09,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-12 14:11:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-12 14:11:09,921 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-12 14:11:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_features [2022-07-12 14:11:09,921 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_features [2022-07-12 14:11:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-12 14:11:09,922 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-12 14:11:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2022-07-12 14:11:09,922 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2022-07-12 14:11:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-12 14:11:09,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-12 14:11:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-07-12 14:11:09,922 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-07-12 14:11:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_6 [2022-07-12 14:11:09,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_6 [2022-07-12 14:11:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-12 14:11:09,923 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-12 14:11:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2022-07-12 14:11:09,923 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2022-07-12 14:11:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-12 14:11:09,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-12 14:11:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-12 14:11:09,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-12 14:11:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2022-07-12 14:11:09,924 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2022-07-12 14:11:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-07-12 14:11:09,924 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-07-12 14:11:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 14:11:09,924 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 14:11:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-12 14:11:09,924 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-12 14:11:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-07-12 14:11:09,925 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-07-12 14:11:09,925 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2022-07-12 14:11:09,925 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2022-07-12 14:11:09,925 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2022-07-12 14:11:09,925 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2022-07-12 14:11:10,772 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 14:11:10,774 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 14:11:11,259 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 14:12:13,671 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 14:12:13,685 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 14:12:13,686 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 14:12:13,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:12:13 BoogieIcfgContainer [2022-07-12 14:12:13,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 14:12:13,689 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 14:12:13,690 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 14:12:13,691 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 14:12:13,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 02:11:05" (1/3) ... [2022-07-12 14:12:13,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5995e44d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:12:13, skipping insertion in model container [2022-07-12 14:12:13,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:11:09" (2/3) ... [2022-07-12 14:12:13,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5995e44d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:12:13, skipping insertion in model container [2022-07-12 14:12:13,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:12:13" (3/3) ... [2022-07-12 14:12:13,693 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 [2022-07-12 14:12:13,703 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 14:12:13,704 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 14:12:13,768 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 14:12:13,776 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@8c227d1, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4e96f388 [2022-07-12 14:12:13,776 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 14:12:13,785 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) [2022-07-12 14:12:13,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-07-12 14:12:13,809 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:12:13,810 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] [2022-07-12 14:12:13,811 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:12:13,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:12:13,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1343496821, now seen corresponding path program 1 times [2022-07-12 14:12:13,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:12:13,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1418985639] [2022-07-12 14:12:13,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:12:13,826 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:12:13,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:12:13,828 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:12:13,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 14:12:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:16,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 2381 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-12 14:12:16,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:12:17,234 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-07-12 14:12:17,234 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:12:17,234 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:12:17,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1418985639] [2022-07-12 14:12:17,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1418985639] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:12:17,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:12:17,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:12:17,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058852107] [2022-07-12 14:12:17,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:12:17,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:12:17,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:12:17,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:12:17,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:12:17,267 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) [2022-07-12 14:12:18,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:12:18,492 INFO L93 Difference]: Finished difference Result 5461 states and 7798 transitions. [2022-07-12 14:12:18,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 14:12:18,495 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 [2022-07-12 14:12:18,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:12:18,516 INFO L225 Difference]: With dead ends: 5461 [2022-07-12 14:12:18,516 INFO L226 Difference]: Without dead ends: 2704 [2022-07-12 14:12:18,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-12 14:12:18,531 INFO L413 NwaCegarLoop]: 3860 mSDtfsCounter, 6 mSDsluCounter, 15414 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 19274 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-12 14:12:18,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 19274 Invalid, 88 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-12 14:12:18,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2704 states. [2022-07-12 14:12:18,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2704 to 2704. [2022-07-12 14:12:18,663 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) [2022-07-12 14:12:18,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3832 transitions. [2022-07-12 14:12:18,682 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3832 transitions. Word has length 175 [2022-07-12 14:12:18,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:12:18,683 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 3832 transitions. [2022-07-12 14:12:18,683 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) [2022-07-12 14:12:18,683 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3832 transitions. [2022-07-12 14:12:18,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-07-12 14:12:18,691 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:12:18,692 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] [2022-07-12 14:12:18,748 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-12 14:12:18,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:12:18,906 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:12:18,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:12:18,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1977155801, now seen corresponding path program 1 times [2022-07-12 14:12:18,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:12:18,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1471098129] [2022-07-12 14:12:18,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:12:18,908 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:12:18,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:12:18,909 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:12:18,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 14:12:21,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:22,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 2447 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-12 14:12:22,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:12:22,606 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 60 proven. 1 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2022-07-12 14:12:22,606 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 14:12:24,374 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2022-07-12 14:12:24,374 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:12:24,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1471098129] [2022-07-12 14:12:24,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1471098129] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 14:12:24,375 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 14:12:24,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-12 14:12:24,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710221611] [2022-07-12 14:12:24,375 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 14:12:24,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 14:12:24,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:12:24,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 14:12:24,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-12 14:12:24,378 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) [2022-07-12 14:12:26,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:12:26,682 INFO L93 Difference]: Finished difference Result 5407 states and 7675 transitions. [2022-07-12 14:12:26,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-12 14:12:26,684 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 [2022-07-12 14:12:26,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:12:26,696 INFO L225 Difference]: With dead ends: 5407 [2022-07-12 14:12:26,697 INFO L226 Difference]: Without dead ends: 2712 [2022-07-12 14:12:26,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-12 14:12:26,710 INFO L413 NwaCegarLoop]: 3816 mSDtfsCounter, 14 mSDsluCounter, 22857 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 14:12:26,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 26673 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 14:12:26,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2712 states. [2022-07-12 14:12:26,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2712 to 2710. [2022-07-12 14:12:26,772 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) [2022-07-12 14:12:26,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3839 transitions. [2022-07-12 14:12:26,784 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3839 transitions. Word has length 181 [2022-07-12 14:12:26,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:12:26,784 INFO L495 AbstractCegarLoop]: Abstraction has 2710 states and 3839 transitions. [2022-07-12 14:12:26,785 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) [2022-07-12 14:12:26,785 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3839 transitions. [2022-07-12 14:12:26,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-12 14:12:26,789 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:12:26,790 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] [2022-07-12 14:12:26,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 14:12:27,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:12:27,004 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:12:27,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:12:27,004 INFO L85 PathProgramCache]: Analyzing trace with hash 169060683, now seen corresponding path program 2 times [2022-07-12 14:12:27,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:12:27,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [192587225] [2022-07-12 14:12:27,006 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 14:12:27,006 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:12:27,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:12:27,007 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:12:27,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 14:12:29,420 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 14:12:29,420 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 14:12:29,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 2050 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:12:29,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:12:29,751 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2022-07-12 14:12:29,752 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:12:29,752 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:12:29,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [192587225] [2022-07-12 14:12:29,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [192587225] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:12:29,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:12:29,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:12:29,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529047553] [2022-07-12 14:12:29,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:12:29,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:12:29,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:12:29,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:12:29,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:12:29,753 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) [2022-07-12 14:12:31,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:12:31,047 INFO L93 Difference]: Finished difference Result 7374 states and 10438 transitions. [2022-07-12 14:12:31,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:12:31,048 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 [2022-07-12 14:12:31,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:12:31,076 INFO L225 Difference]: With dead ends: 7374 [2022-07-12 14:12:31,079 INFO L226 Difference]: Without dead ends: 4700 [2022-07-12 14:12:31,092 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 [2022-07-12 14:12:31,096 INFO L413 NwaCegarLoop]: 4321 mSDtfsCounter, 2853 mSDsluCounter, 3650 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-07-12 14:12:31,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2853 Valid, 7971 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-12 14:12:31,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4700 states. [2022-07-12 14:12:31,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4700 to 4650. [2022-07-12 14:12:31,215 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) [2022-07-12 14:12:31,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4650 states to 4650 states and 6585 transitions. [2022-07-12 14:12:31,296 INFO L78 Accepts]: Start accepts. Automaton has 4650 states and 6585 transitions. Word has length 187 [2022-07-12 14:12:31,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:12:31,296 INFO L495 AbstractCegarLoop]: Abstraction has 4650 states and 6585 transitions. [2022-07-12 14:12:31,296 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) [2022-07-12 14:12:31,296 INFO L276 IsEmpty]: Start isEmpty. Operand 4650 states and 6585 transitions. [2022-07-12 14:12:31,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-07-12 14:12:31,304 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:12:31,304 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] [2022-07-12 14:12:31,356 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-07-12 14:12:31,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:12:31,515 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:12:31,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:12:31,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1445243466, now seen corresponding path program 1 times [2022-07-12 14:12:31,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:12:31,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1238016183] [2022-07-12 14:12:31,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:12:31,519 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:12:31,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:12:31,520 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:12:31,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 14:12:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:34,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 2583 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-12 14:12:34,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:12:35,058 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 365 proven. 3 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2022-07-12 14:12:35,058 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 14:12:37,322 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2022-07-12 14:12:37,323 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:12:37,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1238016183] [2022-07-12 14:12:37,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1238016183] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 14:12:37,323 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 14:12:37,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-12 14:12:37,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587764480] [2022-07-12 14:12:37,323 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 14:12:37,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-12 14:12:37,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:12:37,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-12 14:12:37,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-12 14:12:37,324 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) [2022-07-12 14:12:41,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:12:41,015 INFO L93 Difference]: Finished difference Result 9304 states and 13193 transitions. [2022-07-12 14:12:41,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 14:12:41,016 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 [2022-07-12 14:12:41,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:12:41,042 INFO L225 Difference]: With dead ends: 9304 [2022-07-12 14:12:41,042 INFO L226 Difference]: Without dead ends: 4660 [2022-07-12 14:12:41,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 529 GetRequests, 513 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2022-07-12 14:12:41,057 INFO L413 NwaCegarLoop]: 3817 mSDtfsCounter, 14 mSDsluCounter, 38092 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 41909 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-12 14:12:41,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 41909 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-12 14:12:41,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4660 states. [2022-07-12 14:12:41,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4660 to 4652. [2022-07-12 14:12:41,174 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) [2022-07-12 14:12:41,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4652 states to 4652 states and 6589 transitions. [2022-07-12 14:12:41,188 INFO L78 Accepts]: Start accepts. Automaton has 4652 states and 6589 transitions. Word has length 263 [2022-07-12 14:12:41,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:12:41,188 INFO L495 AbstractCegarLoop]: Abstraction has 4652 states and 6589 transitions. [2022-07-12 14:12:41,189 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) [2022-07-12 14:12:41,189 INFO L276 IsEmpty]: Start isEmpty. Operand 4652 states and 6589 transitions. [2022-07-12 14:12:41,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-07-12 14:12:41,196 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:12:41,196 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] [2022-07-12 14:12:41,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 14:12:41,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:12:41,410 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:12:41,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:12:41,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1904306258, now seen corresponding path program 2 times [2022-07-12 14:12:41,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:12:41,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1928918924] [2022-07-12 14:12:41,412 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 14:12:41,413 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:12:41,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:12:41,414 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:12:41,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 14:12:43,641 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 14:12:43,641 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 14:12:43,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 1805 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:12:43,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:12:48,205 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2022-07-12 14:12:48,259 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:12:48,260 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:12:48,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1928918924] [2022-07-12 14:12:48,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1928918924] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:12:48,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:12:48,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 14:12:48,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823552404] [2022-07-12 14:12:48,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:12:48,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:12:48,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:12:48,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:12:48,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:12:48,261 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) [2022-07-12 14:12:48,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:12:48,402 INFO L93 Difference]: Finished difference Result 9020 states and 12807 transitions. [2022-07-12 14:12:48,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:12:48,403 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 [2022-07-12 14:12:48,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:12:48,443 INFO L225 Difference]: With dead ends: 9020 [2022-07-12 14:12:48,443 INFO L226 Difference]: Without dead ends: 9017 [2022-07-12 14:12:48,449 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 [2022-07-12 14:12:48,449 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 [2022-07-12 14:12:48,450 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] [2022-07-12 14:12:48,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9017 states. [2022-07-12 14:12:48,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9017 to 8974. [2022-07-12 14:12:48,701 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) [2022-07-12 14:12:48,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8974 states to 8974 states and 12729 transitions. [2022-07-12 14:12:48,732 INFO L78 Accepts]: Start accepts. Automaton has 8974 states and 12729 transitions. Word has length 269 [2022-07-12 14:12:48,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:12:48,733 INFO L495 AbstractCegarLoop]: Abstraction has 8974 states and 12729 transitions. [2022-07-12 14:12:48,733 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) [2022-07-12 14:12:48,733 INFO L276 IsEmpty]: Start isEmpty. Operand 8974 states and 12729 transitions. [2022-07-12 14:12:48,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2022-07-12 14:12:48,758 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:12:48,758 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] [2022-07-12 14:12:48,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 14:12:48,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:12:48,972 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:12:48,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:12:48,972 INFO L85 PathProgramCache]: Analyzing trace with hash 379216905, now seen corresponding path program 1 times [2022-07-12 14:12:48,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:12:48,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [528159175] [2022-07-12 14:12:48,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:12:48,975 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:12:48,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:12:48,976 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:12:48,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 14:12:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:56,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 7987 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-12 14:12:56,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:12:57,372 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 176 proven. 6 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2022-07-12 14:12:57,373 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 14:13:00,249 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 0 proven. 116 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2022-07-12 14:13:00,250 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:13:00,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [528159175] [2022-07-12 14:13:00,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [528159175] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 14:13:00,250 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 14:13:00,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-12 14:13:00,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968668332] [2022-07-12 14:13:00,250 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 14:13:00,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-12 14:13:00,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:13:00,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-12 14:13:00,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-12 14:13:00,252 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) [2022-07-12 14:13:04,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:13:04,027 INFO L93 Difference]: Finished difference Result 17970 states and 25525 transitions. [2022-07-12 14:13:04,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-12 14:13:04,028 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 [2022-07-12 14:13:04,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:13:04,073 INFO L225 Difference]: With dead ends: 17970 [2022-07-12 14:13:04,073 INFO L226 Difference]: Without dead ends: 9002 [2022-07-12 14:13:04,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 990 GetRequests, 971 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2022-07-12 14:13:04,101 INFO L413 NwaCegarLoop]: 3818 mSDtfsCounter, 25 mSDsluCounter, 26670 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s 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, 2.7s IncrementalHoareTripleChecker+Time [2022-07-12 14:13:04,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 30488 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-12 14:13:04,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9002 states. [2022-07-12 14:13:04,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9002 to 8978. [2022-07-12 14:13:04,301 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) [2022-07-12 14:13:04,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8978 states to 8978 states and 12737 transitions. [2022-07-12 14:13:04,328 INFO L78 Accepts]: Start accepts. Automaton has 8978 states and 12737 transitions. Word has length 493 [2022-07-12 14:13:04,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:13:04,328 INFO L495 AbstractCegarLoop]: Abstraction has 8978 states and 12737 transitions. [2022-07-12 14:13:04,329 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) [2022-07-12 14:13:04,329 INFO L276 IsEmpty]: Start isEmpty. Operand 8978 states and 12737 transitions. [2022-07-12 14:13:04,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2022-07-12 14:13:04,350 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:13:04,350 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] [2022-07-12 14:13:04,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 14:13:04,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:13:04,564 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:13:04,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:13:04,564 INFO L85 PathProgramCache]: Analyzing trace with hash -617231059, now seen corresponding path program 2 times [2022-07-12 14:13:04,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:13:04,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [736075767] [2022-07-12 14:13:04,567 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 14:13:04,567 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:13:04,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:13:04,568 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) [2022-07-12 14:13:04,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 14:13:07,692 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 14:13:07,692 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 14:13:07,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 2051 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-12 14:13:07,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:13:08,067 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 764 trivial. 0 not checked. [2022-07-12 14:13:08,067 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:13:08,067 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:13:08,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [736075767] [2022-07-12 14:13:08,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [736075767] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:13:08,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:13:08,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:13:08,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009627248] [2022-07-12 14:13:08,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:13:08,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:13:08,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:13:08,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:13:08,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:13:08,069 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) [2022-07-12 14:13:08,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:13:08,426 INFO L93 Difference]: Finished difference Result 12340 states and 18053 transitions. [2022-07-12 14:13:08,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 14:13:08,427 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 [2022-07-12 14:13:08,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:13:08,472 INFO L225 Difference]: With dead ends: 12340 [2022-07-12 14:13:08,472 INFO L226 Difference]: Without dead ends: 12337 [2022-07-12 14:13:08,481 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 [2022-07-12 14:13:08,482 INFO L413 NwaCegarLoop]: 5491 mSDtfsCounter, 1091 mSDsluCounter, 15067 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1406 SdHoareTripleChecker+Valid, 20558 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 14:13:08,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1406 Valid, 20558 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 14:13:08,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12337 states. [2022-07-12 14:13:08,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12337 to 8986. [2022-07-12 14:13:08,787 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) [2022-07-12 14:13:08,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8986 states to 8986 states and 12743 transitions. [2022-07-12 14:13:08,819 INFO L78 Accepts]: Start accepts. Automaton has 8986 states and 12743 transitions. Word has length 499 [2022-07-12 14:13:08,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:13:08,820 INFO L495 AbstractCegarLoop]: Abstraction has 8986 states and 12743 transitions. [2022-07-12 14:13:08,820 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) [2022-07-12 14:13:08,820 INFO L276 IsEmpty]: Start isEmpty. Operand 8986 states and 12743 transitions. [2022-07-12 14:13:08,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2022-07-12 14:13:08,844 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:13:08,845 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] [2022-07-12 14:13:08,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-12 14:13:09,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:13:09,064 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:13:09,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:13:09,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1432241005, now seen corresponding path program 1 times [2022-07-12 14:13:09,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:13:09,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [909517499] [2022-07-12 14:13:09,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:13:09,068 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:13:09,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:13:09,077 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) [2022-07-12 14:13:09,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-12 14:13:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:13:19,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 8156 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-12 14:13:19,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:13:20,748 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 413 proven. 10 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2022-07-12 14:13:20,748 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 14:13:24,047 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 95 proven. 72 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2022-07-12 14:13:24,047 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:13:24,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [909517499] [2022-07-12 14:13:24,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [909517499] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 14:13:24,048 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 14:13:24,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2022-07-12 14:13:24,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138206218] [2022-07-12 14:13:24,048 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 14:13:24,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-12 14:13:24,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:13:24,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-12 14:13:24,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2022-07-12 14:13:24,050 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) [2022-07-12 14:13:28,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:13:28,411 INFO L93 Difference]: Finished difference Result 18005 states and 25578 transitions. [2022-07-12 14:13:28,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-12 14:13:28,412 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 [2022-07-12 14:13:28,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:13:28,437 INFO L225 Difference]: With dead ends: 18005 [2022-07-12 14:13:28,437 INFO L226 Difference]: Without dead ends: 9028 [2022-07-12 14:13:28,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1034 GetRequests, 1013 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2022-07-12 14:13:28,455 INFO L413 NwaCegarLoop]: 3818 mSDtfsCounter, 79 mSDsluCounter, 30482 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 34300 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-12 14:13:28,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 34300 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-07-12 14:13:28,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9028 states. [2022-07-12 14:13:28,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9028 to 8998. [2022-07-12 14:13:28,639 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) [2022-07-12 14:13:28,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8998 states to 8998 states and 12765 transitions. [2022-07-12 14:13:28,668 INFO L78 Accepts]: Start accepts. Automaton has 8998 states and 12765 transitions. Word has length 515 [2022-07-12 14:13:28,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:13:28,669 INFO L495 AbstractCegarLoop]: Abstraction has 8998 states and 12765 transitions. [2022-07-12 14:13:28,669 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) [2022-07-12 14:13:28,669 INFO L276 IsEmpty]: Start isEmpty. Operand 8998 states and 12765 transitions. [2022-07-12 14:13:28,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2022-07-12 14:13:28,692 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:13:28,693 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] [2022-07-12 14:13:28,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-12 14:13:28,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:13:28,919 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:13:28,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:13:28,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1068023619, now seen corresponding path program 2 times [2022-07-12 14:13:28,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:13:28,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [871129744] [2022-07-12 14:13:28,923 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 14:13:28,923 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:13:28,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:13:28,924 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) [2022-07-12 14:13:28,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process