./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--qlogic--qlge--qlge.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--qlogic--qlge--qlge.ko-main.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c0ea6f57e56343c309beb482be7e91bdb158dd17f1a1c3ab8bad32fab13935ec --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 10:46:04,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 10:46:04,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 10:46:04,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 10:46:04,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 10:46:04,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 10:46:04,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 10:46:04,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 10:46:04,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 10:46:04,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 10:46:04,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 10:46:04,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 10:46:04,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 10:46:04,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 10:46:04,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 10:46:04,568 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 10:46:04,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 10:46:04,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 10:46:04,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 10:46:04,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 10:46:04,579 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 10:46:04,582 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 10:46:04,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 10:46:04,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 10:46:04,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 10:46:04,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 10:46:04,592 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 10:46:04,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 10:46:04,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 10:46:04,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 10:46:04,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 10:46:04,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 10:46:04,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 10:46:04,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 10:46:04,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 10:46:04,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 10:46:04,600 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 10:46:04,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 10:46:04,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 10:46:04,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 10:46:04,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 10:46:04,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 10:46:04,603 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 10:46:04,624 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 10:46:04,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 10:46:04,624 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 10:46:04,625 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 10:46:04,625 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 10:46:04,626 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 10:46:04,626 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 10:46:04,626 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 10:46:04,626 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 10:46:04,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 10:46:04,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 10:46:04,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 10:46:04,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 10:46:04,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 10:46:04,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 10:46:04,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 10:46:04,628 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 10:46:04,628 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 10:46:04,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 10:46:04,628 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 10:46:04,629 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 10:46:04,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 10:46:04,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 10:46:04,629 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 10:46:04,629 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 10:46:04,629 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 10:46:04,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 10:46:04,630 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 10:46:04,630 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 10:46:04,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 10:46:04,630 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0ea6f57e56343c309beb482be7e91bdb158dd17f1a1c3ab8bad32fab13935ec [2022-07-21 10:46:04,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 10:46:04,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 10:46:04,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 10:46:04,963 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 10:46:04,964 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 10:46:04,965 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--qlogic--qlge--qlge.ko-main.cil.out.i [2022-07-21 10:46:05,017 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66d990fbf/cbf24097fc704f13b3e41a215e6e9383/FLAG88f1b481f [2022-07-21 10:46:05,916 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 10:46:05,917 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--qlogic--qlge--qlge.ko-main.cil.out.i [2022-07-21 10:46:05,975 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66d990fbf/cbf24097fc704f13b3e41a215e6e9383/FLAG88f1b481f [2022-07-21 10:46:06,361 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66d990fbf/cbf24097fc704f13b3e41a215e6e9383 [2022-07-21 10:46:06,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 10:46:06,365 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 10:46:06,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 10:46:06,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 10:46:06,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 10:46:06,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:46:06" (1/1) ... [2022-07-21 10:46:06,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d47fbf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:46:06, skipping insertion in model container [2022-07-21 10:46:06,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:46:06" (1/1) ... [2022-07-21 10:46:06,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 10:46:06,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 10:46:10,743 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--qlogic--qlge--qlge.ko-main.cil.out.i[526761,526774] [2022-07-21 10:46:10,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:46:11,005 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 10:46:11,223 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: HeapLValues must be converted to RValue before their value can be queried. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:517) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-21 10:46:11,229 INFO L158 Benchmark]: Toolchain (without parser) took 4862.99ms. Allocated memory was 58.7MB in the beginning and 146.8MB in the end (delta: 88.1MB). Free memory was 27.1MB in the beginning and 65.8MB in the end (delta: -38.7MB). Peak memory consumption was 83.1MB. Max. memory is 16.1GB. [2022-07-21 10:46:11,230 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 58.7MB. Free memory was 41.4MB in the beginning and 41.3MB in the end (delta: 43.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 10:46:11,232 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4860.27ms. Allocated memory was 58.7MB in the beginning and 146.8MB in the end (delta: 88.1MB). Free memory was 26.9MB in the beginning and 65.8MB in the end (delta: -38.9MB). Peak memory consumption was 83.1MB. Max. memory is 16.1GB. [2022-07-21 10:46:11,234 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 58.7MB. Free memory was 41.4MB in the beginning and 41.3MB in the end (delta: 43.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4860.27ms. Allocated memory was 58.7MB in the beginning and 146.8MB in the end (delta: 88.1MB). Free memory was 26.9MB in the beginning and 65.8MB in the end (delta: -38.9MB). Peak memory consumption was 83.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--qlogic--qlge--qlge.ko-main.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c0ea6f57e56343c309beb482be7e91bdb158dd17f1a1c3ab8bad32fab13935ec --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 10:46:12,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 10:46:12,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 10:46:12,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 10:46:12,998 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 10:46:12,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 10:46:13,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 10:46:13,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 10:46:13,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 10:46:13,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 10:46:13,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 10:46:13,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 10:46:13,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 10:46:13,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 10:46:13,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 10:46:13,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 10:46:13,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 10:46:13,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 10:46:13,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 10:46:13,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 10:46:13,031 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 10:46:13,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 10:46:13,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 10:46:13,034 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 10:46:13,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 10:46:13,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 10:46:13,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 10:46:13,042 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 10:46:13,043 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 10:46:13,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 10:46:13,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 10:46:13,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 10:46:13,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 10:46:13,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 10:46:13,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 10:46:13,050 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 10:46:13,050 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 10:46:13,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 10:46:13,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 10:46:13,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 10:46:13,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 10:46:13,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 10:46:13,065 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 10:46:13,096 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 10:46:13,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 10:46:13,097 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 10:46:13,097 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 10:46:13,097 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 10:46:13,098 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 10:46:13,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 10:46:13,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 10:46:13,099 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 10:46:13,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 10:46:13,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 10:46:13,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 10:46:13,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 10:46:13,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 10:46:13,100 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 10:46:13,101 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 10:46:13,101 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 10:46:13,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 10:46:13,101 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 10:46:13,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 10:46:13,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 10:46:13,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 10:46:13,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 10:46:13,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 10:46:13,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 10:46:13,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 10:46:13,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 10:46:13,103 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 10:46:13,104 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 10:46:13,104 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 10:46:13,104 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 10:46:13,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 10:46:13,105 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 10:46:13,105 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0ea6f57e56343c309beb482be7e91bdb158dd17f1a1c3ab8bad32fab13935ec [2022-07-21 10:46:13,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 10:46:13,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 10:46:13,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 10:46:13,425 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 10:46:13,426 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 10:46:13,427 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--qlogic--qlge--qlge.ko-main.cil.out.i [2022-07-21 10:46:13,483 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/496c26d01/e2bb5aad842b43418d33804db73c235f/FLAGde6319439 [2022-07-21 10:46:14,432 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 10:46:14,433 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--qlogic--qlge--qlge.ko-main.cil.out.i [2022-07-21 10:46:14,508 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/496c26d01/e2bb5aad842b43418d33804db73c235f/FLAGde6319439 [2022-07-21 10:46:14,809 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/496c26d01/e2bb5aad842b43418d33804db73c235f [2022-07-21 10:46:14,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 10:46:14,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 10:46:14,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 10:46:14,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 10:46:14,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 10:46:14,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:46:14" (1/1) ... [2022-07-21 10:46:14,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27833804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:46:14, skipping insertion in model container [2022-07-21 10:46:14,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:46:14" (1/1) ... [2022-07-21 10:46:14,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 10:46:14,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 10:46:19,146 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--qlogic--qlge--qlge.ko-main.cil.out.i[526761,526774] [2022-07-21 10:46:19,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:46:19,366 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 10:46:19,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 10:46:19,936 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--qlogic--qlge--qlge.ko-main.cil.out.i[526761,526774] [2022-07-21 10:46:19,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:46:19,982 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 10:46:20,413 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--qlogic--qlge--qlge.ko-main.cil.out.i[526761,526774] [2022-07-21 10:46:20,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:46:20,768 INFO L208 MainTranslator]: Completed translation [2022-07-21 10:46:20,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:46:20 WrapperNode [2022-07-21 10:46:20,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 10:46:20,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 10:46:20,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 10:46:20,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 10:46:20,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:46:20" (1/1) ... [2022-07-21 10:46:20,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:46:20" (1/1) ... [2022-07-21 10:46:21,213 INFO L137 Inliner]: procedures = 603, calls = 7081, calls flagged for inlining = 252, calls inlined = 236, statements flattened = 13839 [2022-07-21 10:46:21,214 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 10:46:21,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 10:46:21,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 10:46:21,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 10:46:21,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:46:20" (1/1) ... [2022-07-21 10:46:21,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:46:20" (1/1) ... [2022-07-21 10:46:21,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:46:20" (1/1) ... [2022-07-21 10:46:21,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:46:20" (1/1) ... [2022-07-21 10:46:21,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:46:20" (1/1) ... [2022-07-21 10:46:21,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:46:20" (1/1) ... [2022-07-21 10:46:21,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:46:20" (1/1) ... [2022-07-21 10:46:21,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 10:46:21,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 10:46:21,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 10:46:21,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 10:46:21,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:46:20" (1/1) ... [2022-07-21 10:46:21,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 10:46:21,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 10:46:21,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 10:46:21,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 10:46:21,892 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-21 10:46:21,892 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-21 10:46:21,892 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-07-21 10:46:21,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-07-21 10:46:21,893 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-21 10:46:21,893 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-21 10:46:21,893 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-21 10:46:21,893 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2022-07-21 10:46:21,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2022-07-21 10:46:21,893 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-07-21 10:46:21,894 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-07-21 10:46:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-21 10:46:21,894 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-21 10:46:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2022-07-21 10:46:21,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2022-07-21 10:46:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 10:46:21,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 10:46:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2022-07-21 10:46:21,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2022-07-21 10:46:21,895 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2022-07-21 10:46:21,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2022-07-21 10:46:21,895 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2022-07-21 10:46:21,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2022-07-21 10:46:21,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_qlge_err_handler_release_3 [2022-07-21 10:46:21,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_qlge_err_handler_release_3 [2022-07-21 10:46:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-07-21 10:46:21,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-07-21 10:46:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-21 10:46:21,896 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-21 10:46:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-07-21 10:46:21,896 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-07-21 10:46:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2022-07-21 10:46:21,897 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2022-07-21 10:46:21,897 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-07-21 10:46:21,897 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-07-21 10:46:21,897 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-21 10:46:21,897 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-21 10:46:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-07-21 10:46:21,898 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-07-21 10:46:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 10:46:21,898 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 10:46:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-21 10:46:21,898 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-21 10:46:21,899 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 10:46:21,899 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 10:46:21,899 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2022-07-21 10:46:21,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2022-07-21 10:46:21,899 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_kill_vid [2022-07-21 10:46:21,900 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_kill_vid [2022-07-21 10:46:21,900 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 10:46:21,901 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 10:46:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2022-07-21 10:46:21,901 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2022-07-21 10:46:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2022-07-21 10:46:21,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2022-07-21 10:46:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2022-07-21 10:46:21,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2022-07-21 10:46:21,902 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2022-07-21 10:46:21,902 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2022-07-21 10:46:21,902 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 10:46:21,903 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 10:46:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2022-07-21 10:46:21,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2022-07-21 10:46:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 10:46:21,903 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 10:46:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-21 10:46:21,903 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-21 10:46:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2022-07-21 10:46:21,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2022-07-21 10:46:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 10:46:21,904 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 10:46:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2022-07-21 10:46:21,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2022-07-21 10:46:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2022-07-21 10:46:21,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2022-07-21 10:46:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-21 10:46:21,905 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-21 10:46:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-21 10:46:21,905 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-21 10:46:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 10:46:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-21 10:46:21,906 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-21 10:46:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2022-07-21 10:46:21,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2022-07-21 10:46:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2022-07-21 10:46:21,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2022-07-21 10:46:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2022-07-21 10:46:21,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2022-07-21 10:46:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 10:46:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 10:46:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2022-07-21 10:46:21,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2022-07-21 10:46:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 10:46:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2022-07-21 10:46:21,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2022-07-21 10:46:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2022-07-21 10:46:21,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2022-07-21 10:46:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-21 10:46:21,909 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-21 10:46:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 10:46:21,910 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 10:46:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2022-07-21 10:46:21,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2022-07-21 10:46:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2022-07-21 10:46:21,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2022-07-21 10:46:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-07-21 10:46:21,911 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2022-07-21 10:46:21,911 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 10:46:21,911 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 10:46:21,911 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2022-07-21 10:46:21,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2022-07-21 10:46:21,912 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 10:46:21,914 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 10:46:21,914 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2022-07-21 10:46:21,914 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2022-07-21 10:46:21,914 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-21 10:46:21,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-21 10:46:21,916 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2022-07-21 10:46:21,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2022-07-21 10:46:21,917 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-07-21 10:46:21,917 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-07-21 10:46:21,922 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 10:46:21,922 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 10:46:21,922 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 10:46:21,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 10:46:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2022-07-21 10:46:21,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2022-07-21 10:46:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2022-07-21 10:46:21,923 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2022-07-21 10:46:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2022-07-21 10:46:21,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2022-07-21 10:46:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2022-07-21 10:46:21,924 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2022-07-21 10:46:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 10:46:21,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 10:46:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 10:46:21,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 10:46:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 10:46:21,924 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 10:46:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-21 10:46:21,925 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-21 10:46:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2022-07-21 10:46:21,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2022-07-21 10:46:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-07-21 10:46:21,925 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-07-21 10:46:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2022-07-21 10:46:21,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2022-07-21 10:46:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-07-21 10:46:21,926 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-07-21 10:46:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-21 10:46:21,926 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-21 10:46:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2022-07-21 10:46:21,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2022-07-21 10:46:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2022-07-21 10:46:21,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2022-07-21 10:46:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-21 10:46:21,927 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-21 10:46:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 10:46:21,927 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 10:46:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-07-21 10:46:21,927 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-07-21 10:46:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2022-07-21 10:46:21,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2022-07-21 10:46:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2022-07-21 10:46:21,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2022-07-21 10:46:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2022-07-21 10:46:21,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2022-07-21 10:46:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 10:46:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2022-07-21 10:46:21,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2022-07-21 10:46:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-07-21 10:46:21,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-07-21 10:46:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2022-07-21 10:46:21,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2022-07-21 10:46:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 10:46:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-21 10:46:21,929 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-21 10:46:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_get_stats [2022-07-21 10:46:21,929 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_get_stats [2022-07-21 10:46:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 10:46:21,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 10:46:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 10:46:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 10:46:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 10:46:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 10:46:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2022-07-21 10:46:21,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2022-07-21 10:46:21,931 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2022-07-21 10:46:21,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2022-07-21 10:46:21,931 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_slot_reset [2022-07-21 10:46:21,931 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_slot_reset [2022-07-21 10:46:21,931 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-21 10:46:21,931 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-21 10:46:21,931 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2022-07-21 10:46:21,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2022-07-21 10:46:21,932 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-21 10:46:21,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-21 10:46:21,932 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2022-07-21 10:46:21,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2022-07-21 10:46:21,932 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-21 10:46:21,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-21 10:46:21,932 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2022-07-21 10:46:21,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2022-07-21 10:46:21,933 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-21 10:46:21,933 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-21 10:46:21,933 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2022-07-21 10:46:21,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2022-07-21 10:46:21,933 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 10:46:21,933 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 10:46:21,933 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-21 10:46:21,933 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-21 10:46:21,933 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-07-21 10:46:21,934 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-07-21 10:46:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2022-07-21 10:46:21,934 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2022-07-21 10:46:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2022-07-21 10:46:21,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2022-07-21 10:46:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-07-21 10:46:21,934 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-07-21 10:46:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2022-07-21 10:46:21,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2022-07-21 10:46:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-21 10:46:21,935 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-21 10:46:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 10:46:21,935 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 10:46:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2022-07-21 10:46:21,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2022-07-21 10:46:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 10:46:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_mac_address [2022-07-21 10:46:21,936 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_mac_address [2022-07-21 10:46:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 10:46:21,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 10:46:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2022-07-21 10:46:21,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2022-07-21 10:46:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-21 10:46:21,936 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-21 10:46:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2022-07-21 10:46:21,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2022-07-21 10:46:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 10:46:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2022-07-21 10:46:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2022-07-21 10:46:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 10:46:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 10:46:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 10:46:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2022-07-21 10:46:21,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2022-07-21 10:46:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 10:46:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 10:46:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 10:46:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 10:46:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-07-21 10:46:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-07-21 10:46:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-21 10:46:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-21 10:46:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2022-07-21 10:46:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2022-07-21 10:46:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-21 10:46:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-21 10:46:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 10:46:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 10:46:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2022-07-21 10:46:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2022-07-21 10:46:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2022-07-21 10:46:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2022-07-21 10:46:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-21 10:46:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-21 10:46:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2022-07-21 10:46:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2022-07-21 10:46:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2022-07-21 10:46:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2022-07-21 10:46:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2022-07-21 10:46:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2022-07-21 10:46:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2022-07-21 10:46:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2022-07-21 10:46:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2022-07-21 10:46:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2022-07-21 10:46:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2022-07-21 10:46:21,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2022-07-21 10:46:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 10:46:21,946 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 10:46:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 10:46:21,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 10:46:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-21 10:46:21,946 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-21 10:46:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-21 10:46:21,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-21 10:46:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2022-07-21 10:46:21,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2022-07-21 10:46:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-21 10:46:21,947 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-21 10:46:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 10:46:21,947 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 10:46:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2022-07-21 10:46:21,947 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2022-07-21 10:46:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2022-07-21 10:46:21,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2022-07-21 10:46:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-21 10:46:21,948 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-21 10:46:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-21 10:46:21,948 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-21 10:46:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2022-07-21 10:46:21,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2022-07-21 10:46:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2022-07-21 10:46:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2022-07-21 10:46:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-21 10:46:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-21 10:46:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2022-07-21 10:46:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2022-07-21 10:46:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-21 10:46:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-21 10:46:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-21 10:46:21,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-21 10:46:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_features [2022-07-21 10:46:21,950 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_features [2022-07-21 10:46:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 10:46:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 10:46:21,950 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 10:46:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2022-07-21 10:46:21,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2022-07-21 10:46:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-21 10:46:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-21 10:46:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2022-07-21 10:46:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2022-07-21 10:46:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 10:46:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 10:46:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_error_detected [2022-07-21 10:46:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_error_detected [2022-07-21 10:46:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2022-07-21 10:46:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2022-07-21 10:46:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 10:46:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-07-21 10:46:21,952 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-07-21 10:46:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2022-07-21 10:46:21,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2022-07-21 10:46:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2022-07-21 10:46:21,952 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2022-07-21 10:46:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-07-21 10:46:21,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-07-21 10:46:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-21 10:46:21,953 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-21 10:46:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 10:46:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 10:46:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 10:46:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 10:46:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 10:46:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2022-07-21 10:46:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2022-07-21 10:46:21,954 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2022-07-21 10:46:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2022-07-21 10:46:21,954 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-21 10:46:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-21 10:46:21,954 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-21 10:46:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-21 10:46:21,954 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2022-07-21 10:46:21,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2022-07-21 10:46:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 10:46:21,955 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 10:46:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-21 10:46:21,955 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-21 10:46:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2022-07-21 10:46:21,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2022-07-21 10:46:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2022-07-21 10:46:21,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2022-07-21 10:46:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-07-21 10:46:21,956 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-07-21 10:46:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-21 10:46:21,956 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-21 10:46:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 10:46:21,956 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 10:46:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-21 10:46:21,956 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-21 10:46:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2022-07-21 10:46:21,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2022-07-21 10:46:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-21 10:46:21,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-21 10:46:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2022-07-21 10:46:21,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2022-07-21 10:46:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-21 10:46:21,957 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-21 10:46:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 10:46:21,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 10:46:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 10:46:21,958 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 10:46:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-21 10:46:21,958 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-21 10:46:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2022-07-21 10:46:21,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2022-07-21 10:46:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 10:46:21,958 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 10:46:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2022-07-21 10:46:21,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2022-07-21 10:46:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_add_vid [2022-07-21 10:46:21,959 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_add_vid [2022-07-21 10:46:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 10:46:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 10:46:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 10:46:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 10:46:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-07-21 10:46:21,960 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-07-21 10:46:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 10:46:21,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 10:46:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_change_mtu [2022-07-21 10:46:21,960 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_change_mtu [2022-07-21 10:46:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_fix_features [2022-07-21 10:46:21,960 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_fix_features [2022-07-21 10:46:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2022-07-21 10:46:21,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2022-07-21 10:46:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 10:46:21,961 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 10:46:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-21 10:46:21,961 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-21 10:46:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2022-07-21 10:46:21,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2022-07-21 10:46:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2022-07-21 10:46:21,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2022-07-21 10:46:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-21 10:46:21,962 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-21 10:46:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2022-07-21 10:46:21,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2022-07-21 10:46:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2022-07-21 10:46:21,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2022-07-21 10:46:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-21 10:46:21,962 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-21 10:46:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2022-07-21 10:46:21,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2022-07-21 10:46:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2022-07-21 10:46:21,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2022-07-21 10:46:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2022-07-21 10:46:21,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2022-07-21 10:46:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2022-07-21 10:46:21,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2022-07-21 10:46:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-21 10:46:21,964 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-21 10:46:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-21 10:46:21,964 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-21 10:46:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2022-07-21 10:46:21,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2022-07-21 10:46:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2022-07-21 10:46:21,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2022-07-21 10:46:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2022-07-21 10:46:21,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2022-07-21 10:46:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2022-07-21 10:46:21,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2022-07-21 10:46:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2022-07-21 10:46:21,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2022-07-21 10:46:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-21 10:46:21,965 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-21 10:46:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2022-07-21 10:46:21,966 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2022-07-21 10:46:21,966 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2022-07-21 10:46:21,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2022-07-21 10:46:21,966 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2022-07-21 10:46:21,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2022-07-21 10:46:21,966 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2022-07-21 10:46:21,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2022-07-21 10:46:21,966 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-21 10:46:21,966 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-21 10:46:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 10:46:21,967 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 10:46:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2022-07-21 10:46:21,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2022-07-21 10:46:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2022-07-21 10:46:21,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2022-07-21 10:46:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2022-07-21 10:46:21,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2022-07-21 10:46:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2022-07-21 10:46:21,968 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2022-07-21 10:46:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-07-21 10:46:21,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-07-21 10:46:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2022-07-21 10:46:21,968 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2022-07-21 10:46:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2022-07-21 10:46:21,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2022-07-21 10:46:23,247 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 10:46:23,251 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 10:49:33,211 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 10:49:33,247 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 10:49:33,247 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 10:49:33,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:49:33 BoogieIcfgContainer [2022-07-21 10:49:33,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 10:49:33,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 10:49:33,255 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 10:49:33,257 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 10:49:33,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:46:14" (1/3) ... [2022-07-21 10:49:33,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65a8a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:49:33, skipping insertion in model container [2022-07-21 10:49:33,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:46:20" (2/3) ... [2022-07-21 10:49:33,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65a8a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:49:33, skipping insertion in model container [2022-07-21 10:49:33,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:49:33" (3/3) ... [2022-07-21 10:49:33,260 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--qlogic--qlge--qlge.ko-main.cil.out.i [2022-07-21 10:49:33,272 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 10:49:33,272 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 10:49:33,413 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 10:49:33,420 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@73a92e66, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@11e8ffed [2022-07-21 10:49:33,420 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 10:49:33,436 INFO L276 IsEmpty]: Start isEmpty. Operand has 4656 states, 3324 states have (on average 1.3721419975932612) internal successors, (4561), 3390 states have internal predecessors, (4561), 1109 states have call successors, (1109), 221 states have call predecessors, (1109), 221 states have return successors, (1109), 1096 states have call predecessors, (1109), 1109 states have call successors, (1109) [2022-07-21 10:49:33,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-07-21 10:49:33,458 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:49:33,459 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:49:33,459 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:49:33,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:49:33,463 INFO L85 PathProgramCache]: Analyzing trace with hash -278435688, now seen corresponding path program 1 times [2022-07-21 10:49:33,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:49:33,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1764346350] [2022-07-21 10:49:33,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:49:33,485 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:49:33,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:49:33,487 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 10:49:33,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 10:49:35,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:36,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 4297 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:49:36,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:49:36,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:49:36,372 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:49:36,373 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:49:36,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1764346350] [2022-07-21 10:49:36,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1764346350] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:49:36,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:49:36,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:49:36,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294182922] [2022-07-21 10:49:36,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:49:36,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:49:36,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:49:36,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:49:36,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:49:36,410 INFO L87 Difference]: Start difference. First operand has 4656 states, 3324 states have (on average 1.3721419975932612) internal successors, (4561), 3390 states have internal predecessors, (4561), 1109 states have call successors, (1109), 221 states have call predecessors, (1109), 221 states have return successors, (1109), 1096 states have call predecessors, (1109), 1109 states have call successors, (1109) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:49:37,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:49:37,396 INFO L93 Difference]: Finished difference Result 13939 states and 20501 transitions. [2022-07-21 10:49:37,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:49:37,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-07-21 10:49:37,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:49:37,467 INFO L225 Difference]: With dead ends: 13939 [2022-07-21 10:49:37,468 INFO L226 Difference]: Without dead ends: 9264 [2022-07-21 10:49:37,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:49:37,507 INFO L413 NwaCegarLoop]: 7875 mSDtfsCounter, 6737 mSDsluCounter, 6755 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6737 SdHoareTripleChecker+Valid, 14630 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-21 10:49:37,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6737 Valid, 14630 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-21 10:49:37,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9264 states. [2022-07-21 10:49:37,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9264 to 9260. [2022-07-21 10:49:37,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9260 states, 6607 states have (on average 1.369607991524141) internal successors, (9049), 6730 states have internal predecessors, (9049), 2212 states have call successors, (2212), 441 states have call predecessors, (2212), 440 states have return successors, (2206), 2180 states have call predecessors, (2206), 2206 states have call successors, (2206) [2022-07-21 10:49:37,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9260 states to 9260 states and 13467 transitions. [2022-07-21 10:49:37,944 INFO L78 Accepts]: Start accepts. Automaton has 9260 states and 13467 transitions. Word has length 17 [2022-07-21 10:49:37,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:49:37,945 INFO L495 AbstractCegarLoop]: Abstraction has 9260 states and 13467 transitions. [2022-07-21 10:49:37,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:49:37,945 INFO L276 IsEmpty]: Start isEmpty. Operand 9260 states and 13467 transitions. [2022-07-21 10:49:37,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-21 10:49:37,948 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:49:37,948 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:49:38,024 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-21 10:49:38,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:49:38,168 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:49:38,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:49:38,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1011919493, now seen corresponding path program 1 times [2022-07-21 10:49:38,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:49:38,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [359701405] [2022-07-21 10:49:38,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:49:38,179 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:49:38,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:49:38,180 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 10:49:38,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 10:49:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:40,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 4309 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:49:40,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:49:40,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:49:40,937 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:49:40,937 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:49:40,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [359701405] [2022-07-21 10:49:40,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [359701405] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:49:40,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:49:40,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:49:40,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202644414] [2022-07-21 10:49:40,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:49:40,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:49:40,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:49:40,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:49:40,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:49:40,939 INFO L87 Difference]: Start difference. First operand 9260 states and 13467 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:49:41,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:49:41,504 INFO L93 Difference]: Finished difference Result 9262 states and 13468 transitions. [2022-07-21 10:49:41,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:49:41,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-07-21 10:49:41,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:49:41,566 INFO L225 Difference]: With dead ends: 9262 [2022-07-21 10:49:41,567 INFO L226 Difference]: Without dead ends: 9259 [2022-07-21 10:49:41,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:49:41,575 INFO L413 NwaCegarLoop]: 6745 mSDtfsCounter, 6730 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6730 SdHoareTripleChecker+Valid, 6745 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 10:49:41,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6730 Valid, 6745 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 10:49:41,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9259 states. [2022-07-21 10:49:41,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9259 to 9259. [2022-07-21 10:49:41,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9259 states, 6607 states have (on average 1.3694566369002572) internal successors, (9048), 6729 states have internal predecessors, (9048), 2211 states have call successors, (2211), 441 states have call predecessors, (2211), 440 states have return successors, (2206), 2180 states have call predecessors, (2206), 2206 states have call successors, (2206) [2022-07-21 10:49:41,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9259 states to 9259 states and 13465 transitions. [2022-07-21 10:49:41,943 INFO L78 Accepts]: Start accepts. Automaton has 9259 states and 13465 transitions. Word has length 19 [2022-07-21 10:49:41,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:49:41,943 INFO L495 AbstractCegarLoop]: Abstraction has 9259 states and 13465 transitions. [2022-07-21 10:49:41,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:49:41,944 INFO L276 IsEmpty]: Start isEmpty. Operand 9259 states and 13465 transitions. [2022-07-21 10:49:41,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-07-21 10:49:41,946 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:49:41,946 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:49:42,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 10:49:42,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:49:42,159 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:49:42,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:49:42,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1307283779, now seen corresponding path program 1 times [2022-07-21 10:49:42,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:49:42,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [548897348] [2022-07-21 10:49:42,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:49:42,342 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:49:42,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:49:42,347 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 10:49:42,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 10:49:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:44,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 4310 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:49:44,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:49:45,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:49:45,105 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:49:45,105 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:49:45,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [548897348] [2022-07-21 10:49:45,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [548897348] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:49:45,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:49:45,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:49:45,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962509218] [2022-07-21 10:49:45,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:49:45,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:49:45,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:49:45,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:49:45,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:49:45,107 INFO L87 Difference]: Start difference. First operand 9259 states and 13465 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:49:45,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:49:45,632 INFO L93 Difference]: Finished difference Result 9261 states and 13466 transitions. [2022-07-21 10:49:45,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:49:45,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-07-21 10:49:45,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:49:45,701 INFO L225 Difference]: With dead ends: 9261 [2022-07-21 10:49:45,701 INFO L226 Difference]: Without dead ends: 9258 [2022-07-21 10:49:45,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:49:45,710 INFO L413 NwaCegarLoop]: 6743 mSDtfsCounter, 6727 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6727 SdHoareTripleChecker+Valid, 6743 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 10:49:45,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6727 Valid, 6743 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 10:49:45,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9258 states. [2022-07-21 10:49:45,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9258 to 9258. [2022-07-21 10:49:45,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9258 states, 6607 states have (on average 1.3693052822763736) internal successors, (9047), 6728 states have internal predecessors, (9047), 2210 states have call successors, (2210), 441 states have call predecessors, (2210), 440 states have return successors, (2206), 2180 states have call predecessors, (2206), 2206 states have call successors, (2206) [2022-07-21 10:49:46,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9258 states to 9258 states and 13463 transitions. [2022-07-21 10:49:46,042 INFO L78 Accepts]: Start accepts. Automaton has 9258 states and 13463 transitions. Word has length 20 [2022-07-21 10:49:46,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:49:46,043 INFO L495 AbstractCegarLoop]: Abstraction has 9258 states and 13463 transitions. [2022-07-21 10:49:46,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:49:46,044 INFO L276 IsEmpty]: Start isEmpty. Operand 9258 states and 13463 transitions. [2022-07-21 10:49:46,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-07-21 10:49:46,046 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:49:46,046 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:49:46,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 10:49:46,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:49:46,263 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:49:46,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:49:46,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1873637186, now seen corresponding path program 1 times [2022-07-21 10:49:46,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:49:46,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [49696100] [2022-07-21 10:49:46,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:49:46,272 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:49:46,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:49:46,274 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 10:49:46,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 10:49:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:48,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 4311 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:49:48,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:49:49,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:49:49,022 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:49:49,023 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:49:49,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [49696100] [2022-07-21 10:49:49,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [49696100] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:49:49,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:49:49,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:49:49,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519218486] [2022-07-21 10:49:49,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:49:49,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:49:49,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:49:49,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:49:49,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:49:49,024 INFO L87 Difference]: Start difference. First operand 9258 states and 13463 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:49:49,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:49:49,664 INFO L93 Difference]: Finished difference Result 9856 states and 14301 transitions. [2022-07-21 10:49:49,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:49:49,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-07-21 10:49:49,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:49:49,706 INFO L225 Difference]: With dead ends: 9856 [2022-07-21 10:49:49,706 INFO L226 Difference]: Without dead ends: 9852 [2022-07-21 10:49:49,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:49:49,715 INFO L413 NwaCegarLoop]: 6919 mSDtfsCounter, 6383 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6383 SdHoareTripleChecker+Valid, 7673 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 10:49:49,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6383 Valid, 7673 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 10:49:49,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9852 states. [2022-07-21 10:49:50,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9852 to 9850. [2022-07-21 10:49:50,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9850 states, 7013 states have (on average 1.3705974618565522) internal successors, (9612), 7138 states have internal predecessors, (9612), 2342 states have call successors, (2342), 495 states have call predecessors, (2342), 494 states have return successors, (2340), 2312 states have call predecessors, (2340), 2340 states have call successors, (2340) [2022-07-21 10:49:50,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9850 states to 9850 states and 14294 transitions. [2022-07-21 10:49:50,170 INFO L78 Accepts]: Start accepts. Automaton has 9850 states and 14294 transitions. Word has length 21 [2022-07-21 10:49:50,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:49:50,171 INFO L495 AbstractCegarLoop]: Abstraction has 9850 states and 14294 transitions. [2022-07-21 10:49:50,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:49:50,171 INFO L276 IsEmpty]: Start isEmpty. Operand 9850 states and 14294 transitions. [2022-07-21 10:49:50,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-21 10:49:50,173 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:49:50,173 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:49:50,219 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-21 10:49:50,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:49:50,379 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:49:50,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:49:50,380 INFO L85 PathProgramCache]: Analyzing trace with hash 2044248544, now seen corresponding path program 1 times [2022-07-21 10:49:50,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:49:50,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [497766734] [2022-07-21 10:49:50,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:49:50,386 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:49:50,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:49:50,388 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 10:49:50,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 10:49:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:52,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 4312 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:49:52,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:49:53,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:49:53,107 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:49:53,107 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:49:53,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [497766734] [2022-07-21 10:49:53,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [497766734] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:49:53,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:49:53,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:49:53,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958460261] [2022-07-21 10:49:53,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:49:53,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:49:53,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:49:53,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:49:53,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:49:53,109 INFO L87 Difference]: Start difference. First operand 9850 states and 14294 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:49:53,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:49:53,602 INFO L93 Difference]: Finished difference Result 9852 states and 14295 transitions. [2022-07-21 10:49:53,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:49:53,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-07-21 10:49:53,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:49:53,696 INFO L225 Difference]: With dead ends: 9852 [2022-07-21 10:49:53,697 INFO L226 Difference]: Without dead ends: 9842 [2022-07-21 10:49:53,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:49:53,705 INFO L413 NwaCegarLoop]: 6738 mSDtfsCounter, 6719 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6719 SdHoareTripleChecker+Valid, 6738 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 10:49:53,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6719 Valid, 6738 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 10:49:53,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9842 states. [2022-07-21 10:49:54,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9842 to 9842. [2022-07-21 10:49:54,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9842 states, 7006 states have (on average 1.370682272337996) internal successors, (9603), 7130 states have internal predecessors, (9603), 2341 states have call successors, (2341), 495 states have call predecessors, (2341), 494 states have return successors, (2340), 2312 states have call predecessors, (2340), 2340 states have call successors, (2340) [2022-07-21 10:49:54,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9842 states to 9842 states and 14284 transitions. [2022-07-21 10:49:54,173 INFO L78 Accepts]: Start accepts. Automaton has 9842 states and 14284 transitions. Word has length 22 [2022-07-21 10:49:54,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:49:54,173 INFO L495 AbstractCegarLoop]: Abstraction has 9842 states and 14284 transitions. [2022-07-21 10:49:54,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:49:54,174 INFO L276 IsEmpty]: Start isEmpty. Operand 9842 states and 14284 transitions. [2022-07-21 10:49:54,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-21 10:49:54,188 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:49:54,188 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-21 10:49:54,266 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 10:49:54,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:49:54,408 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:49:54,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:49:54,408 INFO L85 PathProgramCache]: Analyzing trace with hash -790130738, now seen corresponding path program 1 times [2022-07-21 10:49:54,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:49:54,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1372006653] [2022-07-21 10:49:54,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:49:54,412 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:49:54,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:49:54,413 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 10:49:54,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 10:49:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:57,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 4924 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:49:57,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:49:57,254 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-21 10:49:57,255 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:49:57,255 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:49:57,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1372006653] [2022-07-21 10:49:57,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1372006653] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:49:57,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:49:57,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:49:57,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303550543] [2022-07-21 10:49:57,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:49:57,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:49:57,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:49:57,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:49:57,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:49:57,259 INFO L87 Difference]: Start difference. First operand 9842 states and 14284 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-07-21 10:49:59,732 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:50:02,780 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:50:03,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:50:03,010 INFO L93 Difference]: Finished difference Result 26470 states and 38230 transitions. [2022-07-21 10:50:03,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:50:03,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 73 [2022-07-21 10:50:03,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:50:03,093 INFO L225 Difference]: With dead ends: 26470 [2022-07-21 10:50:03,093 INFO L226 Difference]: Without dead ends: 16631 [2022-07-21 10:50:03,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:50:03,154 INFO L413 NwaCegarLoop]: 7702 mSDtfsCounter, 4439 mSDsluCounter, 6670 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4439 SdHoareTripleChecker+Valid, 14372 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-07-21 10:50:03,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4439 Valid, 14372 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 2 Unknown, 0 Unchecked, 5.3s Time] [2022-07-21 10:50:03,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16631 states. [2022-07-21 10:50:03,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16631 to 16622. [2022-07-21 10:50:03,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16622 states, 11834 states have (on average 1.3645428426567516) internal successors, (16148), 12044 states have internal predecessors, (16148), 3895 states have call successors, (3895), 893 states have call predecessors, (3895), 892 states have return successors, (3894), 3846 states have call predecessors, (3894), 3894 states have call successors, (3894) [2022-07-21 10:50:03,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16622 states to 16622 states and 23937 transitions. [2022-07-21 10:50:03,906 INFO L78 Accepts]: Start accepts. Automaton has 16622 states and 23937 transitions. Word has length 73 [2022-07-21 10:50:03,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:50:03,908 INFO L495 AbstractCegarLoop]: Abstraction has 16622 states and 23937 transitions. [2022-07-21 10:50:03,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-07-21 10:50:03,908 INFO L276 IsEmpty]: Start isEmpty. Operand 16622 states and 23937 transitions. [2022-07-21 10:50:03,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-07-21 10:50:03,917 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:50:03,917 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-21 10:50:04,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 10:50:04,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:50:04,131 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:50:04,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:50:04,132 INFO L85 PathProgramCache]: Analyzing trace with hash -802117659, now seen corresponding path program 1 times [2022-07-21 10:50:04,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:50:04,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [985423315] [2022-07-21 10:50:04,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:50:04,138 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:50:04,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:50:04,140 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 10:50:04,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 10:50:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:50:06,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 4527 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:50:06,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:50:07,007 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-21 10:50:07,008 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:50:07,008 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:50:07,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [985423315] [2022-07-21 10:50:07,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [985423315] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:50:07,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:50:07,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:50:07,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386484565] [2022-07-21 10:50:07,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:50:07,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:50:07,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:50:07,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:50:07,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:50:07,010 INFO L87 Difference]: Start difference. First operand 16622 states and 23937 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-07-21 10:50:08,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:50:08,212 INFO L93 Difference]: Finished difference Result 49820 states and 71737 transitions. [2022-07-21 10:50:08,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:50:08,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 69 [2022-07-21 10:50:08,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:50:08,343 INFO L225 Difference]: With dead ends: 49820 [2022-07-21 10:50:08,343 INFO L226 Difference]: Without dead ends: 33201 [2022-07-21 10:50:08,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:50:08,415 INFO L413 NwaCegarLoop]: 9081 mSDtfsCounter, 6701 mSDsluCounter, 6718 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6701 SdHoareTripleChecker+Valid, 15799 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-21 10:50:08,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6701 Valid, 15799 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-21 10:50:08,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33201 states. [2022-07-21 10:50:09,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33201 to 33198. [2022-07-21 10:50:09,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33198 states, 23632 states have (on average 1.3640825998645905) internal successors, (32236), 24052 states have internal predecessors, (32236), 7781 states have call successors, (7781), 1785 states have call predecessors, (7781), 1784 states have return successors, (7780), 7684 states have call predecessors, (7780), 7780 states have call successors, (7780) [2022-07-21 10:50:09,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33198 states to 33198 states and 47797 transitions. [2022-07-21 10:50:09,767 INFO L78 Accepts]: Start accepts. Automaton has 33198 states and 47797 transitions. Word has length 69 [2022-07-21 10:50:09,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:50:09,767 INFO L495 AbstractCegarLoop]: Abstraction has 33198 states and 47797 transitions. [2022-07-21 10:50:09,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-07-21 10:50:09,768 INFO L276 IsEmpty]: Start isEmpty. Operand 33198 states and 47797 transitions. [2022-07-21 10:50:09,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-07-21 10:50:09,794 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:50:09,795 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-21 10:50:09,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-21 10:50:10,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:50:10,013 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:50:10,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:50:10,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1156717415, now seen corresponding path program 1 times [2022-07-21 10:50:10,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:50:10,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1553694219] [2022-07-21 10:50:10,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:50:10,023 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:50:10,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:50:10,025 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 10:50:10,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-21 10:50:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:50:12,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 4565 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 10:50:12,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:50:12,952 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-07-21 10:50:12,952 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:50:12,953 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:50:12,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1553694219] [2022-07-21 10:50:12,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1553694219] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:50:12,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:50:12,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 10:50:12,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610678881] [2022-07-21 10:50:12,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:50:12,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 10:50:12,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:50:12,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 10:50:12,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 10:50:12,955 INFO L87 Difference]: Start difference. First operand 33198 states and 47797 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-21 10:50:15,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:50:15,025 INFO L93 Difference]: Finished difference Result 66441 states and 96679 transitions. [2022-07-21 10:50:15,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 10:50:15,025 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 82 [2022-07-21 10:50:15,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:50:15,224 INFO L225 Difference]: With dead ends: 66441 [2022-07-21 10:50:15,224 INFO L226 Difference]: Without dead ends: 33230 [2022-07-21 10:50:15,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 10:50:15,349 INFO L413 NwaCegarLoop]: 6724 mSDtfsCounter, 2 mSDsluCounter, 13415 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 20139 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-21 10:50:15,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 20139 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-21 10:50:15,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33230 states. [2022-07-21 10:50:16,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33230 to 33230. [2022-07-21 10:50:16,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33230 states, 23656 states have (on average 1.364051403449442) internal successors, (32268), 24084 states have internal predecessors, (32268), 7781 states have call successors, (7781), 1785 states have call predecessors, (7781), 1792 states have return successors, (7804), 7684 states have call predecessors, (7804), 7780 states have call successors, (7804)