./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.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 484c71f67ef44adda28419ba4f7367133d47a44b7b25589681c020e12726250b --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 15:11:30,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 15:11:30,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 15:11:30,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 15:11:30,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 15:11:30,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 15:11:30,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 15:11:30,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 15:11:30,502 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 15:11:30,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 15:11:30,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 15:11:30,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 15:11:30,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 15:11:30,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 15:11:30,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 15:11:30,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 15:11:30,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 15:11:30,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 15:11:30,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 15:11:30,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 15:11:30,520 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 15:11:30,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 15:11:30,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 15:11:30,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 15:11:30,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 15:11:30,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 15:11:30,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 15:11:30,535 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 15:11:30,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 15:11:30,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 15:11:30,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 15:11:30,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 15:11:30,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 15:11:30,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 15:11:30,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 15:11:30,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 15:11:30,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 15:11:30,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 15:11:30,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 15:11:30,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 15:11:30,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 15:11:30,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 15:11:30,551 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 15:11:30,575 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 15:11:30,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 15:11:30,576 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 15:11:30,576 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 15:11:30,577 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 15:11:30,577 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 15:11:30,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 15:11:30,578 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 15:11:30,578 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 15:11:30,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 15:11:30,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 15:11:30,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 15:11:30,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 15:11:30,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 15:11:30,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 15:11:30,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 15:11:30,580 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 15:11:30,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 15:11:30,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 15:11:30,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 15:11:30,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 15:11:30,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 15:11:30,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 15:11:30,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 15:11:30,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 15:11:30,582 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 15:11:30,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 15:11:30,582 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 15:11:30,582 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 15:11:30,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 15:11:30,583 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 484c71f67ef44adda28419ba4f7367133d47a44b7b25589681c020e12726250b [2022-07-21 15:11:30,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 15:11:30,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 15:11:30,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 15:11:30,954 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 15:11:30,955 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 15:11:30,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-21 15:11:31,021 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f1b9255e/0d9c92a5566c4b3a87c54a22356e8837/FLAGe08057f2a [2022-07-21 15:11:31,919 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 15:11:31,919 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-21 15:11:31,991 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f1b9255e/0d9c92a5566c4b3a87c54a22356e8837/FLAGe08057f2a [2022-07-21 15:11:32,316 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f1b9255e/0d9c92a5566c4b3a87c54a22356e8837 [2022-07-21 15:11:32,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 15:11:32,320 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 15:11:32,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 15:11:32,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 15:11:32,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 15:11:32,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:11:32" (1/1) ... [2022-07-21 15:11:32,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a9d6185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:11:32, skipping insertion in model container [2022-07-21 15:11:32,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:11:32" (1/1) ... [2022-07-21 15:11:32,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 15:11:32,501 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 15:11:35,795 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[486836,486849] [2022-07-21 15:11:35,798 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[486983,486996] [2022-07-21 15:11:35,799 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[487122,487135] [2022-07-21 15:11:35,800 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[487280,487293] [2022-07-21 15:11:35,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 15:11:35,953 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 15:11:36,406 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: eecd_reg = eecd_reg & 4294967283U [14641] 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.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-21 15:11:36,426 INFO L158 Benchmark]: Toolchain (without parser) took 4090.52ms. Allocated memory was 62.9MB in the beginning and 136.3MB in the end (delta: 73.4MB). Free memory was 37.4MB in the beginning and 45.6MB in the end (delta: -8.2MB). Peak memory consumption was 79.5MB. Max. memory is 16.1GB. [2022-07-21 15:11:36,427 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory was 44.9MB in the beginning and 44.9MB in the end (delta: 49.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 15:11:36,428 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4089.16ms. Allocated memory was 62.9MB in the beginning and 136.3MB in the end (delta: 73.4MB). Free memory was 37.0MB in the beginning and 45.6MB in the end (delta: -8.6MB). Peak memory consumption was 79.5MB. Max. memory is 16.1GB. [2022-07-21 15:11:36,430 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory was 44.9MB in the beginning and 44.9MB in the end (delta: 49.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4089.16ms. Allocated memory was 62.9MB in the beginning and 136.3MB in the end (delta: 73.4MB). Free memory was 37.0MB in the beginning and 45.6MB in the end (delta: -8.6MB). Peak memory consumption was 79.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: eecd_reg = eecd_reg & 4294967283U [14641] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: eecd_reg = eecd_reg & 4294967283U [14641]: 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.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 484c71f67ef44adda28419ba4f7367133d47a44b7b25589681c020e12726250b --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 15:11:38,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 15:11:38,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 15:11:38,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 15:11:38,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 15:11:38,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 15:11:38,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 15:11:38,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 15:11:38,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 15:11:38,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 15:11:38,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 15:11:38,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 15:11:38,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 15:11:38,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 15:11:38,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 15:11:38,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 15:11:38,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 15:11:38,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 15:11:38,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 15:11:38,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 15:11:38,295 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 15:11:38,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 15:11:38,301 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 15:11:38,302 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 15:11:38,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 15:11:38,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 15:11:38,305 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 15:11:38,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 15:11:38,306 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 15:11:38,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 15:11:38,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 15:11:38,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 15:11:38,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 15:11:38,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 15:11:38,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 15:11:38,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 15:11:38,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 15:11:38,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 15:11:38,311 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 15:11:38,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 15:11:38,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 15:11:38,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 15:11:38,314 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 15:11:38,332 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 15:11:38,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 15:11:38,335 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 15:11:38,335 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 15:11:38,336 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 15:11:38,336 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 15:11:38,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 15:11:38,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 15:11:38,337 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 15:11:38,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 15:11:38,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 15:11:38,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 15:11:38,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 15:11:38,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 15:11:38,339 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 15:11:38,339 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 15:11:38,339 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 15:11:38,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 15:11:38,340 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 15:11:38,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 15:11:38,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 15:11:38,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 15:11:38,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 15:11:38,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 15:11:38,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 15:11:38,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 15:11:38,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 15:11:38,342 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 15:11:38,342 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 15:11:38,342 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 15:11:38,342 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 15:11:38,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 15:11:38,343 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 15:11:38,343 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 484c71f67ef44adda28419ba4f7367133d47a44b7b25589681c020e12726250b [2022-07-21 15:11:38,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 15:11:38,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 15:11:38,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 15:11:38,678 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 15:11:38,679 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 15:11:38,680 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-21 15:11:38,730 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c82b49dd/7b81b557f8064a8c88ffca69fc846007/FLAG61df820f7 [2022-07-21 15:11:39,597 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 15:11:39,598 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-21 15:11:39,667 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c82b49dd/7b81b557f8064a8c88ffca69fc846007/FLAG61df820f7 [2022-07-21 15:11:39,959 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c82b49dd/7b81b557f8064a8c88ffca69fc846007 [2022-07-21 15:11:39,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 15:11:39,962 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 15:11:39,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 15:11:39,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 15:11:39,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 15:11:39,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:11:39" (1/1) ... [2022-07-21 15:11:39,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b5aeabe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:11:39, skipping insertion in model container [2022-07-21 15:11:39,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:11:39" (1/1) ... [2022-07-21 15:11:39,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 15:11:40,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 15:11:43,851 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[486836,486849] [2022-07-21 15:11:43,854 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[486983,486996] [2022-07-21 15:11:43,854 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[487122,487135] [2022-07-21 15:11:43,854 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[487280,487293] [2022-07-21 15:11:43,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 15:11:43,960 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 15:11:44,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 15:11:44,435 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[486836,486849] [2022-07-21 15:11:44,436 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[486983,486996] [2022-07-21 15:11:44,439 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[487122,487135] [2022-07-21 15:11:44,440 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[487280,487293] [2022-07-21 15:11:44,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 15:11:44,495 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 15:11:45,002 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[486836,486849] [2022-07-21 15:11:45,003 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[486983,486996] [2022-07-21 15:11:45,006 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[487122,487135] [2022-07-21 15:11:45,007 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[487280,487293] [2022-07-21 15:11:45,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 15:11:45,290 INFO L208 MainTranslator]: Completed translation [2022-07-21 15:11:45,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:11:45 WrapperNode [2022-07-21 15:11:45,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 15:11:45,293 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 15:11:45,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 15:11:45,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 15:11:45,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:11:45" (1/1) ... [2022-07-21 15:11:45,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:11:45" (1/1) ... [2022-07-21 15:11:45,766 INFO L137 Inliner]: procedures = 494, calls = 6076, calls flagged for inlining = 277, calls inlined = 258, statements flattened = 11688 [2022-07-21 15:11:45,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 15:11:45,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 15:11:45,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 15:11:45,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 15:11:45,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:11:45" (1/1) ... [2022-07-21 15:11:45,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:11:45" (1/1) ... [2022-07-21 15:11:45,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:11:45" (1/1) ... [2022-07-21 15:11:45,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:11:45" (1/1) ... [2022-07-21 15:11:46,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:11:45" (1/1) ... [2022-07-21 15:11:46,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:11:45" (1/1) ... [2022-07-21 15:11:46,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:11:45" (1/1) ... [2022-07-21 15:11:46,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 15:11:46,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 15:11:46,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 15:11:46,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 15:11:46,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:11:45" (1/1) ... [2022-07-21 15:11:46,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 15:11:46,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:11:46,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 15:11:46,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 15:11:46,424 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 15:11:46,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 15:11:46,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 15:11:46,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 15:11:46,425 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 15:11:46,425 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 15:11:46,425 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2022-07-21 15:11:46,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2022-07-21 15:11:46,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 15:11:46,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 15:11:46,426 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2022-07-21 15:11:46,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2022-07-21 15:11:46,426 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-21 15:11:46,426 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-21 15:11:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 15:11:46,427 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 15:11:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-21 15:11:46,427 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-21 15:11:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 15:11:46,427 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 15:11:46,428 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2022-07-21 15:11:46,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2022-07-21 15:11:46,428 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2022-07-21 15:11:46,428 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2022-07-21 15:11:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2022-07-21 15:11:46,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2022-07-21 15:11:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2022-07-21 15:11:46,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2022-07-21 15:11:46,430 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-21 15:11:46,430 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-21 15:11:46,430 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2022-07-21 15:11:46,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2022-07-21 15:11:46,431 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-21 15:11:46,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-21 15:11:46,431 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2022-07-21 15:11:46,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2022-07-21 15:11:46,431 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 15:11:46,432 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 15:11:46,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 15:11:46,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 15:11:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 15:11:46,433 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 15:11:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-21 15:11:46,434 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-21 15:11:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_resume [2022-07-21 15:11:46,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_resume [2022-07-21 15:11:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 15:11:46,434 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 15:11:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 15:11:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 15:11:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 15:11:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-21 15:11:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-21 15:11:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 15:11:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 15:11:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 15:11:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2022-07-21 15:11:46,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2022-07-21 15:11:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 15:11:46,437 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 15:11:46,437 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2022-07-21 15:11:46,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2022-07-21 15:11:46,438 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 15:11:46,438 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 15:11:46,438 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2022-07-21 15:11:46,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2022-07-21 15:11:46,438 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2022-07-21 15:11:46,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2022-07-21 15:11:46,438 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 15:11:46,439 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 15:11:46,439 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2022-07-21 15:11:46,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2022-07-21 15:11:46,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 15:11:46,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 15:11:46,440 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2022-07-21 15:11:46,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2022-07-21 15:11:46,440 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2022-07-21 15:11:46,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2022-07-21 15:11:46,441 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 15:11:46,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 15:11:46,441 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2022-07-21 15:11:46,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2022-07-21 15:11:46,442 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 15:11:46,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 15:11:46,442 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-07-21 15:11:46,442 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-07-21 15:11:46,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 15:11:46,443 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 15:11:46,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-21 15:11:46,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-21 15:11:46,443 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-21 15:11:46,443 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-21 15:11:46,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 15:11:46,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 15:11:46,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 15:11:46,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 15:11:46,444 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2022-07-21 15:11:46,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2022-07-21 15:11:46,444 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-21 15:11:46,445 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-21 15:11:46,445 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 15:11:46,445 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 15:11:46,446 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2022-07-21 15:11:46,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2022-07-21 15:11:46,448 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2022-07-21 15:11:46,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2022-07-21 15:11:46,448 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2022-07-21 15:11:46,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2022-07-21 15:11:46,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 15:11:46,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-21 15:11:46,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-21 15:11:46,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 15:11:46,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 15:11:46,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-21 15:11:46,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-21 15:11:46,451 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-21 15:11:46,451 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-21 15:11:46,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 15:11:46,451 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-21 15:11:46,451 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-21 15:11:46,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 15:11:46,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 15:11:46,452 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 15:11:46,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 15:11:46,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 15:11:46,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 15:11:46,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 15:11:46,453 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 15:11:46,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 15:11:46,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 15:11:46,453 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2022-07-21 15:11:46,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2022-07-21 15:11:46,453 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2022-07-21 15:11:46,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2022-07-21 15:11:46,454 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_remove [2022-07-21 15:11:46,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_remove [2022-07-21 15:11:46,454 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-21 15:11:46,454 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-21 15:11:46,454 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2022-07-21 15:11:46,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2022-07-21 15:11:46,455 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-21 15:11:46,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-21 15:11:46,455 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2022-07-21 15:11:46,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2022-07-21 15:11:46,455 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2022-07-21 15:11:46,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2022-07-21 15:11:46,456 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-21 15:11:46,456 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-21 15:11:46,456 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 15:11:46,456 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 15:11:46,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-21 15:11:46,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-21 15:11:46,456 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2022-07-21 15:11:46,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2022-07-21 15:11:46,457 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2022-07-21 15:11:46,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2022-07-21 15:11:46,457 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2022-07-21 15:11:46,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2022-07-21 15:11:46,457 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-21 15:11:46,457 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-21 15:11:46,458 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 15:11:46,458 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 15:11:46,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 15:11:46,458 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_open [2022-07-21 15:11:46,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_open [2022-07-21 15:11:46,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 15:11:46,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 15:11:46,459 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-21 15:11:46,459 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-21 15:11:46,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 15:11:46,459 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 15:11:46,459 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 15:11:46,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 15:11:46,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 15:11:46,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 15:11:46,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 15:11:46,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 15:11:46,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 15:11:46,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 15:11:46,460 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 15:11:46,461 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 15:11:46,461 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-21 15:11:46,461 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-21 15:11:46,461 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2022-07-21 15:11:46,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2022-07-21 15:11:46,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-21 15:11:46,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-21 15:11:46,462 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2022-07-21 15:11:46,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2022-07-21 15:11:46,462 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-21 15:11:46,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-21 15:11:46,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 15:11:46,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 15:11:46,462 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 15:11:46,463 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 15:11:46,463 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-07-21 15:11:46,463 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-07-21 15:11:46,463 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_close [2022-07-21 15:11:46,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_close [2022-07-21 15:11:46,463 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-21 15:11:46,463 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-21 15:11:46,464 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-21 15:11:46,464 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-21 15:11:46,464 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-21 15:11:46,464 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-21 15:11:46,464 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-21 15:11:46,464 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-21 15:11:46,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 15:11:46,465 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-21 15:11:46,465 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-21 15:11:46,465 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 15:11:46,465 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 15:11:46,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 15:11:46,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 15:11:46,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 15:11:46,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 15:11:46,466 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-21 15:11:46,466 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-21 15:11:46,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 15:11:46,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 15:11:46,466 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-21 15:11:46,467 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-21 15:11:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 15:11:46,467 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 15:11:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 15:11:46,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 15:11:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2022-07-21 15:11:46,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2022-07-21 15:11:46,468 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2022-07-21 15:11:46,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2022-07-21 15:11:46,472 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-21 15:11:46,473 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-21 15:11:46,473 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-21 15:11:46,473 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-21 15:11:46,473 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 15:11:46,473 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 15:11:46,473 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-21 15:11:46,474 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-21 15:11:46,474 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 15:11:46,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 15:11:46,478 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 15:11:46,479 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 15:11:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2022-07-21 15:11:46,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2022-07-21 15:11:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-21 15:11:46,479 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-21 15:11:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 15:11:46,480 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 15:11:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2022-07-21 15:11:46,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2022-07-21 15:11:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 15:11:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 15:11:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 15:11:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 15:11:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 15:11:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 15:11:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2022-07-21 15:11:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2022-07-21 15:11:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 15:11:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 15:11:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2022-07-21 15:11:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2022-07-21 15:11:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-21 15:11:46,482 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-21 15:11:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-21 15:11:46,482 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-21 15:11:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2022-07-21 15:11:46,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2022-07-21 15:11:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-07-21 15:11:46,482 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-07-21 15:11:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-21 15:11:46,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-21 15:11:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2022-07-21 15:11:46,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2022-07-21 15:11:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2022-07-21 15:11:46,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2022-07-21 15:11:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2022-07-21 15:11:46,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2022-07-21 15:11:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2022-07-21 15:11:46,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2022-07-21 15:11:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2022-07-21 15:11:46,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2022-07-21 15:11:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 15:11:46,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 15:11:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-21 15:11:46,485 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-21 15:11:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-21 15:11:46,485 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-21 15:11:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-21 15:11:46,485 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-21 15:11:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-21 15:11:46,485 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-21 15:11:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 15:11:46,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 15:11:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-21 15:11:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2022-07-21 15:11:46,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2022-07-21 15:11:47,752 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 15:11:47,754 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 15:11:48,589 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 15:14:06,484 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 15:14:11,740 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 15:14:11,769 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 15:14:11,770 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-21 15:14:11,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:14:11 BoogieIcfgContainer [2022-07-21 15:14:11,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 15:14:11,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 15:14:11,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 15:14:11,778 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 15:14:11,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:11:39" (1/3) ... [2022-07-21 15:14:11,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac17d5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:14:11, skipping insertion in model container [2022-07-21 15:14:11,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:11:45" (2/3) ... [2022-07-21 15:14:11,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac17d5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:14:11, skipping insertion in model container [2022-07-21 15:14:11,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:14:11" (3/3) ... [2022-07-21 15:14:11,781 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-21 15:14:11,793 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 15:14:11,793 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-21 15:14:11,895 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 15:14:11,905 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@370b8a86, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@64cd7a6b [2022-07-21 15:14:11,905 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-21 15:14:11,921 INFO L276 IsEmpty]: Start isEmpty. Operand has 3294 states, 2239 states have (on average 1.2621706118803038) internal successors, (2826), 2274 states have internal predecessors, (2826), 921 states have call successors, (921), 133 states have call predecessors, (921), 132 states have return successors, (916), 906 states have call predecessors, (916), 916 states have call successors, (916) [2022-07-21 15:14:11,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-07-21 15:14:11,953 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:14:11,954 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:14:11,955 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 15:14:11,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:14:11,958 INFO L85 PathProgramCache]: Analyzing trace with hash -55023453, now seen corresponding path program 1 times [2022-07-21 15:14:11,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:14:11,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [911078109] [2022-07-21 15:14:11,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:14:11,986 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:14:11,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:14:11,989 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 15:14:11,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 15:14:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:14:16,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 4223 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 15:14:16,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:14:16,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-21 15:14:16,395 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:14:16,395 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:14:16,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [911078109] [2022-07-21 15:14:16,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [911078109] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:14:16,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:14:16,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:14:16,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574862409] [2022-07-21 15:14:16,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:14:16,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 15:14:16,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:14:16,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 15:14:16,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 15:14:16,447 INFO L87 Difference]: Start difference. First operand has 3294 states, 2239 states have (on average 1.2621706118803038) internal successors, (2826), 2274 states have internal predecessors, (2826), 921 states have call successors, (921), 133 states have call predecessors, (921), 132 states have return successors, (916), 906 states have call predecessors, (916), 916 states have call successors, (916) Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-21 15:14:17,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:14:17,384 INFO L93 Difference]: Finished difference Result 9747 states and 13977 transitions. [2022-07-21 15:14:17,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 15:14:17,387 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 199 [2022-07-21 15:14:17,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:14:17,463 INFO L225 Difference]: With dead ends: 9747 [2022-07-21 15:14:17,463 INFO L226 Difference]: Without dead ends: 6457 [2022-07-21 15:14:17,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 15:14:17,515 INFO L413 NwaCegarLoop]: 5540 mSDtfsCounter, 4540 mSDsluCounter, 4595 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4540 SdHoareTripleChecker+Valid, 10135 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-21 15:14:17,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4540 Valid, 10135 Invalid, 14 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-21 15:14:17,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6457 states. [2022-07-21 15:14:18,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6457 to 6455. [2022-07-21 15:14:18,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6455 states, 4392 states have (on average 1.252504553734062) internal successors, (5501), 4460 states have internal predecessors, (5501), 1799 states have call successors, (1799), 263 states have call predecessors, (1799), 262 states have return successors, (1797), 1777 states have call predecessors, (1797), 1797 states have call successors, (1797) [2022-07-21 15:14:18,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6455 states to 6455 states and 9097 transitions. [2022-07-21 15:14:18,126 INFO L78 Accepts]: Start accepts. Automaton has 6455 states and 9097 transitions. Word has length 199 [2022-07-21 15:14:18,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:14:18,130 INFO L495 AbstractCegarLoop]: Abstraction has 6455 states and 9097 transitions. [2022-07-21 15:14:18,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-21 15:14:18,131 INFO L276 IsEmpty]: Start isEmpty. Operand 6455 states and 9097 transitions. [2022-07-21 15:14:18,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-07-21 15:14:18,141 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:14:18,142 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:14:18,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 15:14:18,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:14:18,355 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 15:14:18,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:14:18,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1057590409, now seen corresponding path program 1 times [2022-07-21 15:14:18,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:14:18,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [828305378] [2022-07-21 15:14:18,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:14:18,360 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:14:18,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:14:18,361 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 15:14:18,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 15:14:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:14:22,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 4308 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 15:14:22,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:14:23,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-21 15:14:23,192 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:14:23,192 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:14:23,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [828305378] [2022-07-21 15:14:23,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [828305378] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:14:23,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:14:23,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:14:23,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139213777] [2022-07-21 15:14:23,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:14:23,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 15:14:23,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:14:23,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 15:14:23,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 15:14:23,195 INFO L87 Difference]: Start difference. First operand 6455 states and 9097 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-21 15:14:25,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:14:25,176 INFO L93 Difference]: Finished difference Result 15039 states and 21186 transitions. [2022-07-21 15:14:25,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 15:14:25,177 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 223 [2022-07-21 15:14:25,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:14:25,248 INFO L225 Difference]: With dead ends: 15039 [2022-07-21 15:14:25,248 INFO L226 Difference]: Without dead ends: 8621 [2022-07-21 15:14:25,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 15:14:25,289 INFO L413 NwaCegarLoop]: 5512 mSDtfsCounter, 3757 mSDsluCounter, 4537 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3757 SdHoareTripleChecker+Valid, 10049 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-21 15:14:25,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3757 Valid, 10049 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-21 15:14:25,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8621 states. [2022-07-21 15:14:25,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8621 to 8614. [2022-07-21 15:14:25,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8614 states, 5836 states have (on average 1.2433173406442768) internal successors, (7256), 5918 states have internal predecessors, (7256), 2425 states have call successors, (2425), 352 states have call predecessors, (2425), 351 states have return successors, (2423), 2400 states have call predecessors, (2423), 2423 states have call successors, (2423) [2022-07-21 15:14:25,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8614 states to 8614 states and 12104 transitions. [2022-07-21 15:14:25,802 INFO L78 Accepts]: Start accepts. Automaton has 8614 states and 12104 transitions. Word has length 223 [2022-07-21 15:14:25,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:14:25,803 INFO L495 AbstractCegarLoop]: Abstraction has 8614 states and 12104 transitions. [2022-07-21 15:14:25,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-21 15:14:25,804 INFO L276 IsEmpty]: Start isEmpty. Operand 8614 states and 12104 transitions. [2022-07-21 15:14:25,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-07-21 15:14:25,812 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:14:25,812 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 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] [2022-07-21 15:14:25,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 15:14:26,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:14:26,032 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 15:14:26,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:14:26,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1013556946, now seen corresponding path program 1 times [2022-07-21 15:14:26,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:14:26,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [666386191] [2022-07-21 15:14:26,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:14:26,041 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:14:26,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:14:26,043 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 15:14:26,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 15:14:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:14:29,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 4344 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 15:14:29,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:14:30,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 1245 trivial. 0 not checked. [2022-07-21 15:14:30,213 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:14:30,213 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:14:30,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [666386191] [2022-07-21 15:14:30,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [666386191] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:14:30,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:14:30,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:14:30,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681610552] [2022-07-21 15:14:30,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:14:30,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 15:14:30,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:14:30,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 15:14:30,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 15:14:30,215 INFO L87 Difference]: Start difference. First operand 8614 states and 12104 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-21 15:14:31,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:14:31,034 INFO L93 Difference]: Finished difference Result 20388 states and 28656 transitions. [2022-07-21 15:14:31,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 15:14:31,035 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 251 [2022-07-21 15:14:31,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:14:31,162 INFO L225 Difference]: With dead ends: 20388 [2022-07-21 15:14:31,163 INFO L226 Difference]: Without dead ends: 14454 [2022-07-21 15:14:31,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 15:14:31,208 INFO L413 NwaCegarLoop]: 8243 mSDtfsCounter, 4503 mSDsluCounter, 4579 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4503 SdHoareTripleChecker+Valid, 12822 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-21 15:14:31,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4503 Valid, 12822 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-21 15:14:31,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14454 states. [2022-07-21 15:14:32,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14454 to 14448. [2022-07-21 15:14:32,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14448 states, 9797 states have (on average 1.2450750229662142) internal successors, (12198), 9934 states have internal predecessors, (12198), 4059 states have call successors, (4059), 591 states have call predecessors, (4059), 590 states have return successors, (4057), 4019 states have call predecessors, (4057), 4057 states have call successors, (4057) [2022-07-21 15:14:32,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14448 states to 14448 states and 20314 transitions. [2022-07-21 15:14:32,199 INFO L78 Accepts]: Start accepts. Automaton has 14448 states and 20314 transitions. Word has length 251 [2022-07-21 15:14:32,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:14:32,200 INFO L495 AbstractCegarLoop]: Abstraction has 14448 states and 20314 transitions. [2022-07-21 15:14:32,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-21 15:14:32,201 INFO L276 IsEmpty]: Start isEmpty. Operand 14448 states and 20314 transitions. [2022-07-21 15:14:32,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-07-21 15:14:32,209 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:14:32,209 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 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] [2022-07-21 15:14:32,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 15:14:32,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:14:32,431 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 15:14:32,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:14:32,432 INFO L85 PathProgramCache]: Analyzing trace with hash 195908496, now seen corresponding path program 1 times [2022-07-21 15:14:32,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:14:32,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [360365435] [2022-07-21 15:14:32,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:14:32,436 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:14:32,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:14:32,439 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 15:14:32,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 15:14:36,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:14:36,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 4344 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 15:14:36,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:14:43,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2022-07-21 15:14:43,775 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:14:43,776 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:14:43,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [360365435] [2022-07-21 15:14:43,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [360365435] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:14:43,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:14:43,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 15:14:43,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093656580] [2022-07-21 15:14:43,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:14:43,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:14:43,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:14:43,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:14:43,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:14:43,777 INFO L87 Difference]: Start difference. First operand 14448 states and 20314 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-07-21 15:14:44,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:14:44,578 INFO L93 Difference]: Finished difference Result 14448 states and 20314 transitions. [2022-07-21 15:14:44,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 15:14:44,579 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 251 [2022-07-21 15:14:44,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:14:44,642 INFO L225 Difference]: With dead ends: 14448 [2022-07-21 15:14:44,643 INFO L226 Difference]: Without dead ends: 11769 [2022-07-21 15:14:44,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:14:44,666 INFO L413 NwaCegarLoop]: 4601 mSDtfsCounter, 4498 mSDsluCounter, 4601 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4498 SdHoareTripleChecker+Valid, 9202 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 15:14:44,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4498 Valid, 9202 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 15:14:44,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11769 states. [2022-07-21 15:14:45,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11769 to 11769. [2022-07-21 15:14:45,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11769 states, 7988 states have (on average 1.2458688032048073) internal successors, (9952), 8099 states have internal predecessors, (9952), 3298 states have call successors, (3298), 482 states have call predecessors, (3298), 482 states have return successors, (3298), 3267 states have call predecessors, (3298), 3298 states have call successors, (3298) [2022-07-21 15:14:45,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11769 states to 11769 states and 16548 transitions. [2022-07-21 15:14:45,426 INFO L78 Accepts]: Start accepts. Automaton has 11769 states and 16548 transitions. Word has length 251 [2022-07-21 15:14:45,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:14:45,428 INFO L495 AbstractCegarLoop]: Abstraction has 11769 states and 16548 transitions. [2022-07-21 15:14:45,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-07-21 15:14:45,428 INFO L276 IsEmpty]: Start isEmpty. Operand 11769 states and 16548 transitions. [2022-07-21 15:14:45,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-07-21 15:14:45,445 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:14:45,445 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 5, 5, 5, 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] [2022-07-21 15:14:45,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 15:14:45,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:14:45,667 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 15:14:45,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:14:45,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1064779937, now seen corresponding path program 1 times [2022-07-21 15:14:45,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:14:45,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1178692277] [2022-07-21 15:14:45,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:14:45,674 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:14:45,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:14:45,675 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 15:14:45,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 15:14:49,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:14:49,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 4446 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 15:14:49,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:14:51,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1333 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 1194 trivial. 0 not checked. [2022-07-21 15:14:51,666 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:14:51,666 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:14:51,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1178692277] [2022-07-21 15:14:51,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1178692277] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:14:51,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:14:51,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:14:51,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632884715] [2022-07-21 15:14:51,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:14:51,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 15:14:51,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:14:51,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 15:14:51,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 15:14:51,668 INFO L87 Difference]: Start difference. First operand 11769 states and 16548 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-21 15:14:53,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:14:53,572 INFO L93 Difference]: Finished difference Result 26186 states and 36832 transitions. [2022-07-21 15:14:53,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 15:14:53,573 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 283 [2022-07-21 15:14:53,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:14:53,689 INFO L225 Difference]: With dead ends: 26186 [2022-07-21 15:14:53,689 INFO L226 Difference]: Without dead ends: 17097 [2022-07-21 15:14:53,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 15:14:53,741 INFO L413 NwaCegarLoop]: 8316 mSDtfsCounter, 3720 mSDsluCounter, 4510 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3720 SdHoareTripleChecker+Valid, 12826 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-21 15:14:53,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3720 Valid, 12826 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-21 15:14:53,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17097 states. [2022-07-21 15:14:54,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17097 to 17096. [2022-07-21 15:14:54,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17096 states, 11590 states have (on average 1.243658326143227) internal successors, (14414), 11746 states have internal predecessors, (14414), 4804 states have call successors, (4804), 701 states have call predecessors, (4804), 701 states have return successors, (4804), 4762 states have call predecessors, (4804), 4804 states have call successors, (4804) [2022-07-21 15:14:54,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17096 states to 17096 states and 24022 transitions. [2022-07-21 15:14:54,820 INFO L78 Accepts]: Start accepts. Automaton has 17096 states and 24022 transitions. Word has length 283 [2022-07-21 15:14:54,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:14:54,821 INFO L495 AbstractCegarLoop]: Abstraction has 17096 states and 24022 transitions. [2022-07-21 15:14:54,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-21 15:14:54,822 INFO L276 IsEmpty]: Start isEmpty. Operand 17096 states and 24022 transitions. [2022-07-21 15:14:54,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2022-07-21 15:14:54,860 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:14:54,860 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 16, 16, 16, 16, 16, 16, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:14:54,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 15:14:55,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:14:55,080 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 15:14:55,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:14:55,080 INFO L85 PathProgramCache]: Analyzing trace with hash -2108861199, now seen corresponding path program 1 times [2022-07-21 15:14:55,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:14:55,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [60276811] [2022-07-21 15:14:55,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:14:55,085 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:14:55,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:14:55,086 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 15:14:55,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 15:14:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:14:59,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 4586 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 15:14:59,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:14:59,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1595 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 1476 trivial. 0 not checked. [2022-07-21 15:14:59,961 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:14:59,961 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:14:59,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [60276811] [2022-07-21 15:14:59,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [60276811] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:14:59,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:14:59,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:14:59,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278573608] [2022-07-21 15:14:59,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:14:59,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 15:14:59,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:14:59,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 15:14:59,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 15:14:59,963 INFO L87 Difference]: Start difference. First operand 17096 states and 24022 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-21 15:15:01,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:15:01,717 INFO L93 Difference]: Finished difference Result 36834 states and 51766 transitions. [2022-07-21 15:15:01,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 15:15:01,718 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 357 [2022-07-21 15:15:01,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:15:01,848 INFO L225 Difference]: With dead ends: 36834 [2022-07-21 15:15:01,848 INFO L226 Difference]: Without dead ends: 19776 [2022-07-21 15:15:01,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 15:15:01,926 INFO L413 NwaCegarLoop]: 8322 mSDtfsCounter, 3735 mSDsluCounter, 4517 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3735 SdHoareTripleChecker+Valid, 12839 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 15:15:01,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3735 Valid, 12839 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 15:15:01,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19776 states. [2022-07-21 15:15:03,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19776 to 19775. [2022-07-21 15:15:03,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19775 states, 13401 states have (on average 1.2426684575777927) internal successors, (16653), 13580 states have internal predecessors, (16653), 5561 states have call successors, (5561), 812 states have call predecessors, (5561), 812 states have return successors, (5561), 5513 states have call predecessors, (5561), 5561 states have call successors, (5561) [2022-07-21 15:15:03,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19775 states to 19775 states and 27775 transitions. [2022-07-21 15:15:03,135 INFO L78 Accepts]: Start accepts. Automaton has 19775 states and 27775 transitions. Word has length 357 [2022-07-21 15:15:03,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:15:03,136 INFO L495 AbstractCegarLoop]: Abstraction has 19775 states and 27775 transitions. [2022-07-21 15:15:03,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-21 15:15:03,136 INFO L276 IsEmpty]: Start isEmpty. Operand 19775 states and 27775 transitions. [2022-07-21 15:15:03,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2022-07-21 15:15:03,176 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:15:03,176 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 16, 16, 16, 16, 16, 16, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:15:03,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 15:15:03,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:15:03,400 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 15:15:03,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:15:03,400 INFO L85 PathProgramCache]: Analyzing trace with hash 136718255, now seen corresponding path program 1 times [2022-07-21 15:15:03,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:15:03,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1108244814] [2022-07-21 15:15:03,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:15:03,409 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:15:03,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:15:03,410 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 15:15:03,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 15:15:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:07,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 4586 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 15:15:07,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:15:17,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1595 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2022-07-21 15:15:17,703 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:15:17,704 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:15:17,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1108244814] [2022-07-21 15:15:17,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1108244814] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:15:17,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:15:17,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 15:15:17,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33719429] [2022-07-21 15:15:17,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:15:17,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:15:17,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:15:17,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:15:17,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:15:17,705 INFO L87 Difference]: Start difference. First operand 19775 states and 27775 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2022-07-21 15:15:24,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:15:24,442 INFO L93 Difference]: Finished difference Result 25298 states and 36085 transitions. [2022-07-21 15:15:24,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 15:15:24,443 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 357 [2022-07-21 15:15:24,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:15:24,451 INFO L225 Difference]: With dead ends: 25298 [2022-07-21 15:15:24,451 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 15:15:24,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:15:24,547 INFO L413 NwaCegarLoop]: 5980 mSDtfsCounter, 5810 mSDsluCounter, 4897 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 322 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5810 SdHoareTripleChecker+Valid, 10877 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 322 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-07-21 15:15:24,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5810 Valid, 10877 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [322 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-07-21 15:15:24,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 15:15:24,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 15:15:24,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 15:15:24,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 15:15:24,554 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 357 [2022-07-21 15:15:24,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:15:24,555 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 15:15:24,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2022-07-21 15:15:24,557 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 15:15:24,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 15:15:24,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-07-21 15:15:24,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-07-21 15:15:24,680 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-21 15:15:24,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:15:24,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.