./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 eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-?-eb692b5 [2022-07-20 03:40:16,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 03:40:16,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 03:40:16,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 03:40:16,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 03:40:16,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 03:40:16,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 03:40:16,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 03:40:16,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 03:40:16,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 03:40:16,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 03:40:16,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 03:40:16,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 03:40:16,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 03:40:16,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 03:40:16,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 03:40:16,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 03:40:16,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 03:40:16,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 03:40:16,376 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 03:40:16,377 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 03:40:16,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 03:40:16,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 03:40:16,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 03:40:16,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 03:40:16,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 03:40:16,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 03:40:16,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 03:40:16,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 03:40:16,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 03:40:16,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 03:40:16,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 03:40:16,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 03:40:16,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 03:40:16,400 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 03:40:16,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 03:40:16,402 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 03:40:16,403 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 03:40:16,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 03:40:16,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 03:40:16,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 03:40:16,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 03:40:16,408 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 03:40:16,432 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 03:40:16,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 03:40:16,433 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 03:40:16,433 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 03:40:16,434 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 03:40:16,434 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 03:40:16,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 03:40:16,435 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 03:40:16,435 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 03:40:16,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 03:40:16,436 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 03:40:16,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 03:40:16,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 03:40:16,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 03:40:16,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 03:40:16,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 03:40:16,437 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 03:40:16,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 03:40:16,438 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 03:40:16,438 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 03:40:16,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 03:40:16,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:40:16,439 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 03:40:16,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 03:40:16,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 03:40:16,440 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 03:40:16,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 03:40:16,440 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 03:40:16,441 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 03:40:16,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 03:40:16,441 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 484c71f67ef44adda28419ba4f7367133d47a44b7b25589681c020e12726250b [2022-07-20 03:40:16,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 03:40:16,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 03:40:16,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 03:40:16,698 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 03:40:16,699 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 03:40:16,700 INFO L432 ainManager$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 [2022-07-20 03:40:16,766 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6a9fbc0c/ea8b2764a65048d6aff86446f0e8a636/FLAG8ae3cae85 [2022-07-20 03:40:17,619 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 03:40:17,620 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 [2022-07-20 03:40:17,694 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6a9fbc0c/ea8b2764a65048d6aff86446f0e8a636/FLAG8ae3cae85 [2022-07-20 03:40:18,074 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6a9fbc0c/ea8b2764a65048d6aff86446f0e8a636 [2022-07-20 03:40:18,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 03:40:18,078 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 03:40:18,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 03:40:18,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 03:40:18,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 03:40:18,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:40:18" (1/1) ... [2022-07-20 03:40:18,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2550e959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:18, skipping insertion in model container [2022-07-20 03:40:18,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:40:18" (1/1) ... [2022-07-20 03:40:18,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 03:40:18,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:40:21,963 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] [2022-07-20 03:40:21,966 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] [2022-07-20 03:40:21,968 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] [2022-07-20 03:40:21,968 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] [2022-07-20 03:40:22,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:40:22,079 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 03:40:22,418 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) [2022-07-20 03:40:22,427 INFO L158 Benchmark]: Toolchain (without parser) took 4347.46ms. Allocated memory was 119.5MB in the beginning and 186.6MB in the end (delta: 67.1MB). Free memory was 83.1MB in the beginning and 73.7MB in the end (delta: 9.4MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. [2022-07-20 03:40:22,428 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 92.3MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 03:40:22,429 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4344.57ms. Allocated memory was 119.5MB in the beginning and 186.6MB in the end (delta: 67.1MB). Free memory was 82.6MB in the beginning and 73.7MB in the end (delta: 8.8MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. [2022-07-20 03:40:22,431 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 92.3MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4344.57ms. Allocated memory was 119.5MB in the beginning and 186.6MB in the end (delta: 67.1MB). Free memory was 82.6MB in the beginning and 73.7MB in the end (delta: 8.8MB). Peak memory consumption was 92.3MB. 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-?-eb692b5 [2022-07-20 03:40:24,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 03:40:24,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 03:40:24,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 03:40:24,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 03:40:24,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 03:40:24,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 03:40:24,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 03:40:24,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 03:40:24,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 03:40:24,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 03:40:24,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 03:40:24,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 03:40:24,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 03:40:24,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 03:40:24,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 03:40:24,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 03:40:24,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 03:40:24,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 03:40:24,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 03:40:24,344 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 03:40:24,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 03:40:24,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 03:40:24,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 03:40:24,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 03:40:24,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 03:40:24,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 03:40:24,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 03:40:24,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 03:40:24,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 03:40:24,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 03:40:24,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 03:40:24,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 03:40:24,366 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 03:40:24,367 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 03:40:24,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 03:40:24,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 03:40:24,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 03:40:24,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 03:40:24,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 03:40:24,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 03:40:24,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 03:40:24,376 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 03:40:24,402 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 03:40:24,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 03:40:24,404 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 03:40:24,404 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 03:40:24,405 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 03:40:24,405 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 03:40:24,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 03:40:24,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 03:40:24,406 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 03:40:24,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 03:40:24,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 03:40:24,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 03:40:24,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 03:40:24,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 03:40:24,408 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 03:40:24,409 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 03:40:24,409 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 03:40:24,409 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 03:40:24,409 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 03:40:24,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 03:40:24,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 03:40:24,410 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 03:40:24,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 03:40:24,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:40:24,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 03:40:24,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 03:40:24,411 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 03:40:24,411 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 03:40:24,411 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 03:40:24,411 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 03:40:24,412 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 03:40:24,412 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 03:40:24,412 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 03:40:24,412 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 484c71f67ef44adda28419ba4f7367133d47a44b7b25589681c020e12726250b [2022-07-20 03:40:24,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 03:40:24,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 03:40:24,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 03:40:24,765 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 03:40:24,766 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 03:40:24,768 INFO L432 ainManager$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 [2022-07-20 03:40:24,840 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfc9fadd1/40578e1ba2b04c60a8ed1d62b685c535/FLAGcaf2f242d [2022-07-20 03:40:25,863 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 03:40:25,864 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 [2022-07-20 03:40:25,920 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfc9fadd1/40578e1ba2b04c60a8ed1d62b685c535/FLAGcaf2f242d [2022-07-20 03:40:26,230 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfc9fadd1/40578e1ba2b04c60a8ed1d62b685c535 [2022-07-20 03:40:26,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 03:40:26,234 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 03:40:26,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 03:40:26,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 03:40:26,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 03:40:26,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:40:26" (1/1) ... [2022-07-20 03:40:26,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27fc4f23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:26, skipping insertion in model container [2022-07-20 03:40:26,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:40:26" (1/1) ... [2022-07-20 03:40:26,248 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 03:40:26,467 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:40:30,768 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] [2022-07-20 03:40:30,770 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] [2022-07-20 03:40:30,771 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] [2022-07-20 03:40:30,771 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] [2022-07-20 03:40:30,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:40:30,866 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 03:40:31,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:40:31,418 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] [2022-07-20 03:40:31,419 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] [2022-07-20 03:40:31,422 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] [2022-07-20 03:40:31,422 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] [2022-07-20 03:40:31,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:40:31,487 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 03:40:31,937 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] [2022-07-20 03:40:31,937 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] [2022-07-20 03:40:31,938 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] [2022-07-20 03:40:31,941 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] [2022-07-20 03:40:31,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:40:32,199 INFO L208 MainTranslator]: Completed translation [2022-07-20 03:40:32,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:32 WrapperNode [2022-07-20 03:40:32,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 03:40:32,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 03:40:32,202 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 03:40:32,202 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 03:40:32,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:32" (1/1) ... [2022-07-20 03:40:32,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:32" (1/1) ... [2022-07-20 03:40:32,764 INFO L137 Inliner]: procedures = 494, calls = 6076, calls flagged for inlining = 277, calls inlined = 258, statements flattened = 11688 [2022-07-20 03:40:32,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 03:40:32,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 03:40:32,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 03:40:32,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 03:40:32,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:32" (1/1) ... [2022-07-20 03:40:32,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:32" (1/1) ... [2022-07-20 03:40:32,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:32" (1/1) ... [2022-07-20 03:40:32,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:32" (1/1) ... [2022-07-20 03:40:33,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:32" (1/1) ... [2022-07-20 03:40:33,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:32" (1/1) ... [2022-07-20 03:40:33,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:32" (1/1) ... [2022-07-20 03:40:33,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 03:40:33,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 03:40:33,216 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 03:40:33,216 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 03:40:33,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:32" (1/1) ... [2022-07-20 03:40:33,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:40:33,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 03:40:33,244 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 03:40:33,284 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-20 03:40:33,284 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-20 03:40:33,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 03:40:33,285 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 03:40:33,285 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 03:40:33,285 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 03:40:33,285 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2022-07-20 03:40:33,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2022-07-20 03:40:33,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 03:40:33,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 03:40:33,286 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2022-07-20 03:40:33,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2022-07-20 03:40:33,286 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-20 03:40:33,286 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-20 03:40:33,286 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 03:40:33,287 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 03:40:33,287 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-20 03:40:33,287 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-20 03:40:33,287 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 03:40:33,287 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 03:40:33,287 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2022-07-20 03:40:33,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2022-07-20 03:40:33,288 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2022-07-20 03:40:33,288 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2022-07-20 03:40:33,288 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2022-07-20 03:40:33,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2022-07-20 03:40:33,288 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2022-07-20 03:40:33,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2022-07-20 03:40:33,289 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-20 03:40:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-20 03:40:33,289 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2022-07-20 03:40:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2022-07-20 03:40:33,289 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-20 03:40:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-20 03:40:33,290 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2022-07-20 03:40:33,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2022-07-20 03:40:33,290 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-20 03:40:33,290 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-20 03:40:33,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 03:40:33,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 03:40:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 03:40:33,291 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 03:40:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-20 03:40:33,291 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-20 03:40:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_resume [2022-07-20 03:40:33,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_resume [2022-07-20 03:40:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 03:40:33,292 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 03:40:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 03:40:33,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 03:40:33,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 03:40:33,293 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-20 03:40:33,294 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-20 03:40:33,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 03:40:33,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 03:40:33,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 03:40:33,294 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2022-07-20 03:40:33,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2022-07-20 03:40:33,294 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 03:40:33,295 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 03:40:33,295 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2022-07-20 03:40:33,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2022-07-20 03:40:33,296 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 03:40:33,296 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 03:40:33,296 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2022-07-20 03:40:33,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2022-07-20 03:40:33,296 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2022-07-20 03:40:33,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2022-07-20 03:40:33,297 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 03:40:33,297 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 03:40:33,297 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2022-07-20 03:40:33,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 03:40:33,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2022-07-20 03:40:33,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 03:40:33,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 03:40:33,299 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2022-07-20 03:40:33,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2022-07-20 03:40:33,299 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2022-07-20 03:40:33,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2022-07-20 03:40:33,299 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-20 03:40:33,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-20 03:40:33,300 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2022-07-20 03:40:33,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2022-07-20 03:40:33,300 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 03:40:33,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 03:40:33,301 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-07-20 03:40:33,301 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-07-20 03:40:33,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 03:40:33,301 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 03:40:33,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-20 03:40:33,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-20 03:40:33,301 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-20 03:40:33,302 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-20 03:40:33,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 03:40:33,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 03:40:33,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 03:40:33,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 03:40:33,302 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2022-07-20 03:40:33,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2022-07-20 03:40:33,303 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-20 03:40:33,303 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-20 03:40:33,303 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 03:40:33,304 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 03:40:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2022-07-20 03:40:33,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2022-07-20 03:40:33,307 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2022-07-20 03:40:33,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2022-07-20 03:40:33,307 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2022-07-20 03:40:33,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2022-07-20 03:40:33,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 03:40:33,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 03:40:33,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 03:40:33,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 03:40:33,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 03:40:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-20 03:40:33,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-20 03:40:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-20 03:40:33,314 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-20 03:40:33,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 03:40:33,314 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-20 03:40:33,314 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-20 03:40:33,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 03:40:33,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 03:40:33,315 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 03:40:33,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 03:40:33,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 03:40:33,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 03:40:33,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 03:40:33,315 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:40:33,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:40:33,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 03:40:33,316 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2022-07-20 03:40:33,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2022-07-20 03:40:33,316 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2022-07-20 03:40:33,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2022-07-20 03:40:33,316 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_remove [2022-07-20 03:40:33,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_remove [2022-07-20 03:40:33,316 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-20 03:40:33,316 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-20 03:40:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2022-07-20 03:40:33,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2022-07-20 03:40:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-20 03:40:33,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-20 03:40:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2022-07-20 03:40:33,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2022-07-20 03:40:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2022-07-20 03:40:33,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2022-07-20 03:40:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-20 03:40:33,318 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-20 03:40:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 03:40:33,318 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 03:40:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 03:40:33,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 03:40:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2022-07-20 03:40:33,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2022-07-20 03:40:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2022-07-20 03:40:33,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2022-07-20 03:40:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2022-07-20 03:40:33,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2022-07-20 03:40:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-20 03:40:33,319 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-20 03:40:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 03:40:33,320 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 03:40:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 03:40:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_open [2022-07-20 03:40:33,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_open [2022-07-20 03:40:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 03:40:33,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 03:40:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-20 03:40:33,320 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-20 03:40:33,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 03:40:33,321 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-20 03:40:33,321 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-20 03:40:33,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 03:40:33,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 03:40:33,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 03:40:33,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 03:40:33,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 03:40:33,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 03:40:33,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 03:40:33,323 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-20 03:40:33,323 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-20 03:40:33,324 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-20 03:40:33,324 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-20 03:40:33,324 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2022-07-20 03:40:33,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2022-07-20 03:40:33,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-20 03:40:33,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-20 03:40:33,324 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2022-07-20 03:40:33,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2022-07-20 03:40:33,325 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-20 03:40:33,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-20 03:40:33,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 03:40:33,325 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 03:40:33,325 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 03:40:33,325 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 03:40:33,325 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-07-20 03:40:33,325 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-07-20 03:40:33,326 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_close [2022-07-20 03:40:33,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_close [2022-07-20 03:40:33,326 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-20 03:40:33,326 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-20 03:40:33,326 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-20 03:40:33,326 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-20 03:40:33,326 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 03:40:33,326 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 03:40:33,327 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-20 03:40:33,327 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-20 03:40:33,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 03:40:33,327 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-20 03:40:33,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-20 03:40:33,327 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 03:40:33,327 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 03:40:33,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 03:40:33,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 03:40:33,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 03:40:33,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 03:40:33,328 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-20 03:40:33,328 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-20 03:40:33,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 03:40:33,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 03:40:33,328 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-20 03:40:33,329 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-20 03:40:33,329 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 03:40:33,329 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 03:40:33,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 03:40:33,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 03:40:33,329 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2022-07-20 03:40:33,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2022-07-20 03:40:33,329 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2022-07-20 03:40:33,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2022-07-20 03:40:33,333 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-20 03:40:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-20 03:40:33,333 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-20 03:40:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-20 03:40:33,333 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 03:40:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 03:40:33,334 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-20 03:40:33,334 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-20 03:40:33,334 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 03:40:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 03:40:33,335 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 03:40:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 03:40:33,335 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2022-07-20 03:40:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2022-07-20 03:40:33,335 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-20 03:40:33,336 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-20 03:40:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 03:40:33,336 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 03:40:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2022-07-20 03:40:33,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2022-07-20 03:40:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 03:40:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 03:40:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 03:40:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 03:40:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 03:40:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 03:40:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2022-07-20 03:40:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2022-07-20 03:40:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-20 03:40:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-20 03:40:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2022-07-20 03:40:33,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2022-07-20 03:40:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-20 03:40:33,338 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-20 03:40:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-20 03:40:33,338 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-20 03:40:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2022-07-20 03:40:33,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2022-07-20 03:40:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-07-20 03:40:33,338 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-07-20 03:40:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-20 03:40:33,339 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-20 03:40:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2022-07-20 03:40:33,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2022-07-20 03:40:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2022-07-20 03:40:33,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2022-07-20 03:40:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2022-07-20 03:40:33,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2022-07-20 03:40:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2022-07-20 03:40:33,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2022-07-20 03:40:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2022-07-20 03:40:33,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2022-07-20 03:40:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 03:40:33,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 03:40:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-20 03:40:33,340 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-20 03:40:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-20 03:40:33,341 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-20 03:40:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-20 03:40:33,341 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-20 03:40:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-20 03:40:33,341 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-20 03:40:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 03:40:33,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 03:40:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-20 03:40:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2022-07-20 03:40:33,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2022-07-20 03:40:34,562 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 03:40:34,565 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 03:40:35,354 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 03:42:51,118 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 03:42:55,414 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 03:42:55,439 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 03:42:55,440 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 03:42:55,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:42:55 BoogieIcfgContainer [2022-07-20 03:42:55,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 03:42:55,448 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 03:42:55,448 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 03:42:55,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 03:42:55,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:40:26" (1/3) ... [2022-07-20 03:42:55,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12ad41d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:42:55, skipping insertion in model container [2022-07-20 03:42:55,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:32" (2/3) ... [2022-07-20 03:42:55,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12ad41d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:42:55, skipping insertion in model container [2022-07-20 03:42:55,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:42:55" (3/3) ... [2022-07-20 03:42:55,453 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-20 03:42:55,466 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 03:42:55,467 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-20 03:42:55,581 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 03:42:55,592 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@6f795296, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@69a5a567 [2022-07-20 03:42:55,593 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-20 03:42:55,607 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) [2022-07-20 03:42:55,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-07-20 03:42:55,638 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:42:55,639 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] [2022-07-20 03:42:55,640 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:42:55,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:42:55,644 INFO L85 PathProgramCache]: Analyzing trace with hash -55023453, now seen corresponding path program 1 times [2022-07-20 03:42:55,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:42:55,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [903690801] [2022-07-20 03:42:55,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:42:55,666 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:42:55,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:42:55,669 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 03:42:55,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 03:42:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:59,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 4223 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:42:59,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:43:00,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-20 03:43:00,091 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:43:00,091 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:43:00,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [903690801] [2022-07-20 03:43:00,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [903690801] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:43:00,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:43:00,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:43:00,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617161200] [2022-07-20 03:43:00,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:43:00,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:43:00,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:43:00,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:43:00,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:43:00,127 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) [2022-07-20 03:43:00,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:43:00,984 INFO L93 Difference]: Finished difference Result 9747 states and 13977 transitions. [2022-07-20 03:43:00,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:43:00,987 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 [2022-07-20 03:43:00,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:43:01,047 INFO L225 Difference]: With dead ends: 9747 [2022-07-20 03:43:01,048 INFO L226 Difference]: Without dead ends: 6457 [2022-07-20 03:43:01,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:43:01,091 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, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 03:43:01,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4540 Valid, 10135 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 03:43:01,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6457 states. [2022-07-20 03:43:01,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6457 to 6455. [2022-07-20 03:43:01,601 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) [2022-07-20 03:43:01,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6455 states to 6455 states and 9097 transitions. [2022-07-20 03:43:01,666 INFO L78 Accepts]: Start accepts. Automaton has 6455 states and 9097 transitions. Word has length 199 [2022-07-20 03:43:01,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:43:01,669 INFO L495 AbstractCegarLoop]: Abstraction has 6455 states and 9097 transitions. [2022-07-20 03:43:01,669 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) [2022-07-20 03:43:01,670 INFO L276 IsEmpty]: Start isEmpty. Operand 6455 states and 9097 transitions. [2022-07-20 03:43:01,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-07-20 03:43:01,679 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:43:01,680 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] [2022-07-20 03:43:01,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-20 03:43:01,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:43:01,900 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:43:01,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:43:01,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1057590409, now seen corresponding path program 1 times [2022-07-20 03:43:01,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:43:01,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [343800744] [2022-07-20 03:43:01,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:43:01,908 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:43:01,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:43:01,909 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 03:43:01,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 03:43:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:06,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 4308 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:43:06,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:43:06,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-20 03:43:06,875 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:43:06,875 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:43:06,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [343800744] [2022-07-20 03:43:06,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [343800744] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:43:06,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:43:06,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:43:06,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147598572] [2022-07-20 03:43:06,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:43:06,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:43:06,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:43:06,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:43:06,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:43:06,877 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) [2022-07-20 03:43:08,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:43:08,656 INFO L93 Difference]: Finished difference Result 15039 states and 21186 transitions. [2022-07-20 03:43:08,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:43:08,657 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 [2022-07-20 03:43:08,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:43:08,741 INFO L225 Difference]: With dead ends: 15039 [2022-07-20 03:43:08,741 INFO L226 Difference]: Without dead ends: 8621 [2022-07-20 03:43:08,789 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 [2022-07-20 03:43:08,790 INFO L413 NwaCegarLoop]: 5512 mSDtfsCounter, 3757 mSDsluCounter, 4537 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.4s IncrementalHoareTripleChecker+Time [2022-07-20 03:43:08,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3757 Valid, 10049 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-20 03:43:08,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8621 states. [2022-07-20 03:43:09,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8621 to 8614. [2022-07-20 03:43:09,404 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) [2022-07-20 03:43:09,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8614 states to 8614 states and 12104 transitions. [2022-07-20 03:43:09,485 INFO L78 Accepts]: Start accepts. Automaton has 8614 states and 12104 transitions. Word has length 223 [2022-07-20 03:43:09,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:43:09,486 INFO L495 AbstractCegarLoop]: Abstraction has 8614 states and 12104 transitions. [2022-07-20 03:43:09,487 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) [2022-07-20 03:43:09,488 INFO L276 IsEmpty]: Start isEmpty. Operand 8614 states and 12104 transitions. [2022-07-20 03:43:09,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-07-20 03:43:09,496 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:43:09,496 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] [2022-07-20 03:43:09,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-20 03:43:09,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:43:09,712 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:43:09,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:43:09,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1013556946, now seen corresponding path program 1 times [2022-07-20 03:43:09,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:43:09,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [780213026] [2022-07-20 03:43:09,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:43:09,718 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:43:09,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:43:09,720 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 03:43:09,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 03:43:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:13,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 4344 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:43:13,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:43:14,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 1245 trivial. 0 not checked. [2022-07-20 03:43:14,160 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:43:14,161 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:43:14,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [780213026] [2022-07-20 03:43:14,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [780213026] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:43:14,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:43:14,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:43:14,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169660164] [2022-07-20 03:43:14,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:43:14,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:43:14,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:43:14,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:43:14,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:43:14,163 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) [2022-07-20 03:43:15,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:43:15,002 INFO L93 Difference]: Finished difference Result 20388 states and 28656 transitions. [2022-07-20 03:43:15,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:43:15,003 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 [2022-07-20 03:43:15,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:43:15,142 INFO L225 Difference]: With dead ends: 20388 [2022-07-20 03:43:15,142 INFO L226 Difference]: Without dead ends: 14454 [2022-07-20 03:43:15,196 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 [2022-07-20 03:43:15,199 INFO L413 NwaCegarLoop]: 8243 mSDtfsCounter, 4503 mSDsluCounter, 4579 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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 [2022-07-20 03:43:15,200 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] [2022-07-20 03:43:15,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14454 states. [2022-07-20 03:43:16,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14454 to 14448. [2022-07-20 03:43:16,146 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) [2022-07-20 03:43:16,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14448 states to 14448 states and 20314 transitions. [2022-07-20 03:43:16,232 INFO L78 Accepts]: Start accepts. Automaton has 14448 states and 20314 transitions. Word has length 251 [2022-07-20 03:43:16,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:43:16,233 INFO L495 AbstractCegarLoop]: Abstraction has 14448 states and 20314 transitions. [2022-07-20 03:43:16,233 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) [2022-07-20 03:43:16,233 INFO L276 IsEmpty]: Start isEmpty. Operand 14448 states and 20314 transitions. [2022-07-20 03:43:16,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-07-20 03:43:16,241 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:43:16,241 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] [2022-07-20 03:43:16,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-20 03:43:16,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:43:16,460 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:43:16,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:43:16,461 INFO L85 PathProgramCache]: Analyzing trace with hash 195908496, now seen corresponding path program 1 times [2022-07-20 03:43:16,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:43:16,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [293733115] [2022-07-20 03:43:16,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:43:16,468 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:43:16,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:43:16,470 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 03:43:16,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 03:43:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:20,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 4344 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 03:43:20,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:43:26,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2022-07-20 03:43:26,456 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:43:26,456 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:43:26,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [293733115] [2022-07-20 03:43:26,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [293733115] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:43:26,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:43:26,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:43:26,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121461748] [2022-07-20 03:43:26,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:43:26,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:43:26,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:43:26,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:43:26,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:43:26,458 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) [2022-07-20 03:43:27,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:43:27,364 INFO L93 Difference]: Finished difference Result 14448 states and 20314 transitions. [2022-07-20 03:43:27,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 03:43:27,364 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 [2022-07-20 03:43:27,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:43:27,435 INFO L225 Difference]: With dead ends: 14448 [2022-07-20 03:43:27,435 INFO L226 Difference]: Without dead ends: 11769 [2022-07-20 03:43:27,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:43:27,458 INFO L413 NwaCegarLoop]: 4601 mSDtfsCounter, 4498 mSDsluCounter, 4601 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 [2022-07-20 03:43:27,459 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] [2022-07-20 03:43:27,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11769 states. [2022-07-20 03:43:28,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11769 to 11769. [2022-07-20 03:43:28,104 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) [2022-07-20 03:43:28,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11769 states to 11769 states and 16548 transitions. [2022-07-20 03:43:28,172 INFO L78 Accepts]: Start accepts. Automaton has 11769 states and 16548 transitions. Word has length 251 [2022-07-20 03:43:28,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:43:28,173 INFO L495 AbstractCegarLoop]: Abstraction has 11769 states and 16548 transitions. [2022-07-20 03:43:28,173 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) [2022-07-20 03:43:28,173 INFO L276 IsEmpty]: Start isEmpty. Operand 11769 states and 16548 transitions. [2022-07-20 03:43:28,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-07-20 03:43:28,191 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:43:28,191 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] [2022-07-20 03:43:28,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-20 03:43:28,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:43:28,407 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:43:28,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:43:28,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1064779937, now seen corresponding path program 1 times [2022-07-20 03:43:28,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:43:28,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1120030255] [2022-07-20 03:43:28,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:43:28,412 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:43:28,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:43:28,413 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 03:43:28,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 03:43:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:32,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 4446 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:43:32,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:43:33,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1333 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 1194 trivial. 0 not checked. [2022-07-20 03:43:33,745 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:43:33,745 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:43:33,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1120030255] [2022-07-20 03:43:33,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1120030255] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:43:33,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:43:33,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:43:33,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280343218] [2022-07-20 03:43:33,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:43:33,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:43:33,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:43:33,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:43:33,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:43:33,747 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) [2022-07-20 03:43:35,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:43:35,288 INFO L93 Difference]: Finished difference Result 26186 states and 36832 transitions. [2022-07-20 03:43:35,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:43:35,289 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 [2022-07-20 03:43:35,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:43:35,530 INFO L225 Difference]: With dead ends: 26186 [2022-07-20 03:43:35,531 INFO L226 Difference]: Without dead ends: 17097 [2022-07-20 03:43:35,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:43:35,565 INFO L413 NwaCegarLoop]: 8316 mSDtfsCounter, 3720 mSDsluCounter, 4510 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-07-20 03:43:35,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3720 Valid, 12826 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-20 03:43:35,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17097 states. [2022-07-20 03:43:36,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17097 to 17096. [2022-07-20 03:43:36,314 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) [2022-07-20 03:43:36,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17096 states to 17096 states and 24022 transitions. [2022-07-20 03:43:36,414 INFO L78 Accepts]: Start accepts. Automaton has 17096 states and 24022 transitions. Word has length 283 [2022-07-20 03:43:36,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:43:36,415 INFO L495 AbstractCegarLoop]: Abstraction has 17096 states and 24022 transitions. [2022-07-20 03:43:36,415 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) [2022-07-20 03:43:36,415 INFO L276 IsEmpty]: Start isEmpty. Operand 17096 states and 24022 transitions. [2022-07-20 03:43:36,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2022-07-20 03:43:36,449 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:43:36,450 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] [2022-07-20 03:43:36,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-20 03:43:36,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:43:36,684 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:43:36,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:43:36,684 INFO L85 PathProgramCache]: Analyzing trace with hash -2108861199, now seen corresponding path program 1 times [2022-07-20 03:43:36,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:43:36,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [356421669] [2022-07-20 03:43:36,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:43:36,689 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:43:36,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:43:36,692 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 03:43:36,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-20 03:43:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:41,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 4586 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:43:41,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:43:41,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1595 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 1476 trivial. 0 not checked. [2022-07-20 03:43:41,707 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:43:41,707 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:43:41,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [356421669] [2022-07-20 03:43:41,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [356421669] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:43:41,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:43:41,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:43:41,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392421736] [2022-07-20 03:43:41,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:43:41,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:43:41,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:43:41,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:43:41,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:43:41,709 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) [2022-07-20 03:43:43,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:43:43,490 INFO L93 Difference]: Finished difference Result 36834 states and 51766 transitions. [2022-07-20 03:43:43,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:43:43,490 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 [2022-07-20 03:43:43,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:43:43,621 INFO L225 Difference]: With dead ends: 36834 [2022-07-20 03:43:43,621 INFO L226 Difference]: Without dead ends: 19776 [2022-07-20 03:43:43,712 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 [2022-07-20 03:43:43,714 INFO L413 NwaCegarLoop]: 8322 mSDtfsCounter, 3735 mSDsluCounter, 4517 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-07-20 03:43:43,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3735 Valid, 12839 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-20 03:43:43,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19776 states. [2022-07-20 03:43:44,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19776 to 19775. [2022-07-20 03:43:44,671 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) [2022-07-20 03:43:44,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19775 states to 19775 states and 27775 transitions. [2022-07-20 03:43:44,793 INFO L78 Accepts]: Start accepts. Automaton has 19775 states and 27775 transitions. Word has length 357 [2022-07-20 03:43:44,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:43:44,794 INFO L495 AbstractCegarLoop]: Abstraction has 19775 states and 27775 transitions. [2022-07-20 03:43:44,795 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) [2022-07-20 03:43:44,795 INFO L276 IsEmpty]: Start isEmpty. Operand 19775 states and 27775 transitions. [2022-07-20 03:43:44,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2022-07-20 03:43:44,836 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:43:44,836 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] [2022-07-20 03:43:44,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-20 03:43:45,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:43:45,056 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:43:45,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:43:45,056 INFO L85 PathProgramCache]: Analyzing trace with hash 136718255, now seen corresponding path program 1 times [2022-07-20 03:43:45,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:43:45,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1399338873] [2022-07-20 03:43:45,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:43:45,062 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:43:45,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:43:45,063 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 03:43:45,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-20 03:43:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:43:50,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 4586 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 03:43:50,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:43:57,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1595 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2022-07-20 03:43:57,889 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:43:57,890 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:43:57,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1399338873] [2022-07-20 03:43:57,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1399338873] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:43:57,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:43:57,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:43:57,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81009152] [2022-07-20 03:43:57,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:43:57,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:43:57,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:43:57,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:43:57,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:43:57,891 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) [2022-07-20 03:44:03,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:44:03,288 INFO L93 Difference]: Finished difference Result 25298 states and 36085 transitions. [2022-07-20 03:44:03,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 03:44:03,289 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 [2022-07-20 03:44:03,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:44:03,301 INFO L225 Difference]: With dead ends: 25298 [2022-07-20 03:44:03,301 INFO L226 Difference]: Without dead ends: 0 [2022-07-20 03:44:03,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:44:03,403 INFO L413 NwaCegarLoop]: 5980 mSDtfsCounter, 5810 mSDsluCounter, 4897 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 322 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s 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, 4.8s IncrementalHoareTripleChecker+Time [2022-07-20 03:44:03,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5810 Valid, 10877 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [322 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-07-20 03:44:03,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-20 03:44:03,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-20 03:44:03,404 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) [2022-07-20 03:44:03,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-20 03:44:03,410 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 357 [2022-07-20 03:44:03,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:44:03,410 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-20 03:44:03,411 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) [2022-07-20 03:44:03,411 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-20 03:44:03,411 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-20 03:44:03,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-07-20 03:44:03,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-07-20 03:44:03,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-20 03:44:03,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:44:03,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.