./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.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 3f6913532a755844f996d9829f52a3e3b688eef2b6253ebf9e48902f9dc25d55 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 23:34:07,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 23:34:07,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 23:34:07,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 23:34:07,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 23:34:07,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 23:34:07,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 23:34:07,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 23:34:07,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 23:34:07,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 23:34:07,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 23:34:07,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 23:34:07,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 23:34:07,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 23:34:07,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 23:34:07,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 23:34:07,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 23:34:07,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 23:34:07,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 23:34:07,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 23:34:07,460 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 23:34:07,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 23:34:07,462 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 23:34:07,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 23:34:07,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 23:34:07,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 23:34:07,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 23:34:07,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 23:34:07,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 23:34:07,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 23:34:07,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 23:34:07,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 23:34:07,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 23:34:07,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 23:34:07,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 23:34:07,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 23:34:07,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 23:34:07,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 23:34:07,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 23:34:07,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 23:34:07,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 23:34:07,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 23:34:07,477 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-22 23:34:07,499 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 23:34:07,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 23:34:07,500 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 23:34:07,500 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 23:34:07,501 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 23:34:07,501 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 23:34:07,501 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 23:34:07,501 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 23:34:07,502 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 23:34:07,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 23:34:07,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 23:34:07,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 23:34:07,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 23:34:07,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 23:34:07,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 23:34:07,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 23:34:07,503 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 23:34:07,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 23:34:07,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 23:34:07,505 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 23:34:07,505 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 23:34:07,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:34:07,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 23:34:07,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 23:34:07,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 23:34:07,506 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 23:34:07,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 23:34:07,506 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 23:34:07,506 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 23:34:07,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 23:34:07,506 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f6913532a755844f996d9829f52a3e3b688eef2b6253ebf9e48902f9dc25d55 [2022-07-22 23:34:07,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 23:34:07,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 23:34:07,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 23:34:07,703 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 23:34:07,703 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 23:34:07,704 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i [2022-07-22 23:34:07,762 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a88adb0d2/799406ab69ff449f976c694f0abe3f23/FLAG191aa3b5c [2022-07-22 23:34:08,480 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 23:34:08,481 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i [2022-07-22 23:34:08,536 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a88adb0d2/799406ab69ff449f976c694f0abe3f23/FLAG191aa3b5c [2022-07-22 23:34:08,776 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a88adb0d2/799406ab69ff449f976c694f0abe3f23 [2022-07-22 23:34:08,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 23:34:08,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 23:34:08,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 23:34:08,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 23:34:08,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 23:34:08,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:34:08" (1/1) ... [2022-07-22 23:34:08,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5153216b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:08, skipping insertion in model container [2022-07-22 23:34:08,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:34:08" (1/1) ... [2022-07-22 23:34:08,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 23:34:08,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:34:12,489 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/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i[502624,502637] [2022-07-22 23:34:12,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:34:12,674 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 23:34:12,798 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) [2022-07-22 23:34:12,805 INFO L158 Benchmark]: Toolchain (without parser) took 4025.34ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 66.4MB in the beginning and 56.0MB in the end (delta: 10.4MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. [2022-07-22 23:34:12,806 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 72.0MB in the end (delta: 55.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 23:34:12,806 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4023.89ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 66.1MB in the beginning and 56.0MB in the end (delta: 10.2MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. [2022-07-22 23:34:12,807 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 72.0MB in the end (delta: 55.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4023.89ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 66.1MB in the beginning and 56.0MB in the end (delta: 10.2MB). Peak memory consumption was 81.4MB. 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/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.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 3f6913532a755844f996d9829f52a3e3b688eef2b6253ebf9e48902f9dc25d55 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 23:34:14,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 23:34:14,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 23:34:14,314 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 23:34:14,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 23:34:14,320 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 23:34:14,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 23:34:14,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 23:34:14,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 23:34:14,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 23:34:14,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 23:34:14,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 23:34:14,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 23:34:14,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 23:34:14,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 23:34:14,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 23:34:14,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 23:34:14,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 23:34:14,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 23:34:14,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 23:34:14,337 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 23:34:14,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 23:34:14,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 23:34:14,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 23:34:14,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 23:34:14,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 23:34:14,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 23:34:14,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 23:34:14,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 23:34:14,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 23:34:14,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 23:34:14,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 23:34:14,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 23:34:14,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 23:34:14,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 23:34:14,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 23:34:14,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 23:34:14,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 23:34:14,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 23:34:14,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 23:34:14,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 23:34:14,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 23:34:14,362 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-22 23:34:14,382 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 23:34:14,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 23:34:14,384 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 23:34:14,384 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 23:34:14,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 23:34:14,384 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 23:34:14,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 23:34:14,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 23:34:14,385 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 23:34:14,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 23:34:14,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 23:34:14,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 23:34:14,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 23:34:14,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 23:34:14,387 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-22 23:34:14,387 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-22 23:34:14,387 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-22 23:34:14,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 23:34:14,387 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 23:34:14,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 23:34:14,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 23:34:14,388 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 23:34:14,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 23:34:14,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:34:14,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 23:34:14,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 23:34:14,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 23:34:14,389 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-22 23:34:14,389 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-22 23:34:14,389 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 23:34:14,389 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 23:34:14,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 23:34:14,390 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-22 23:34:14,390 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f6913532a755844f996d9829f52a3e3b688eef2b6253ebf9e48902f9dc25d55 [2022-07-22 23:34:14,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 23:34:14,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 23:34:14,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 23:34:14,685 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 23:34:14,686 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 23:34:14,687 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i [2022-07-22 23:34:14,723 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2ef3c6a4/312301c339fb4b2ca68dbd105dd9e2c6/FLAG5ab16180d [2022-07-22 23:34:15,458 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 23:34:15,459 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i [2022-07-22 23:34:15,509 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2ef3c6a4/312301c339fb4b2ca68dbd105dd9e2c6/FLAG5ab16180d [2022-07-22 23:34:16,009 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2ef3c6a4/312301c339fb4b2ca68dbd105dd9e2c6 [2022-07-22 23:34:16,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 23:34:16,012 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 23:34:16,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 23:34:16,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 23:34:16,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 23:34:16,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:34:16" (1/1) ... [2022-07-22 23:34:16,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c8cc340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:16, skipping insertion in model container [2022-07-22 23:34:16,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:34:16" (1/1) ... [2022-07-22 23:34:16,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 23:34:16,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:34:19,497 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/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i[502624,502637] [2022-07-22 23:34:19,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:34:19,699 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-22 23:34:19,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:34:20,043 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/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i[502624,502637] [2022-07-22 23:34:20,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:34:20,068 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 23:34:20,522 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/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i[502624,502637] [2022-07-22 23:34:20,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:34:20,779 INFO L208 MainTranslator]: Completed translation [2022-07-22 23:34:20,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:20 WrapperNode [2022-07-22 23:34:20,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 23:34:20,781 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 23:34:20,781 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 23:34:20,782 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 23:34:20,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:20" (1/1) ... [2022-07-22 23:34:20,931 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:20" (1/1) ... [2022-07-22 23:34:21,107 INFO L137 Inliner]: procedures = 581, calls = 7123, calls flagged for inlining = 254, calls inlined = 183, statements flattened = 10135 [2022-07-22 23:34:21,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 23:34:21,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 23:34:21,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 23:34:21,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 23:34:21,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:20" (1/1) ... [2022-07-22 23:34:21,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:20" (1/1) ... [2022-07-22 23:34:21,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:20" (1/1) ... [2022-07-22 23:34:21,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:20" (1/1) ... [2022-07-22 23:34:21,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:20" (1/1) ... [2022-07-22 23:34:21,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:20" (1/1) ... [2022-07-22 23:34:21,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:20" (1/1) ... [2022-07-22 23:34:21,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 23:34:21,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 23:34:21,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 23:34:21,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 23:34:21,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:20" (1/1) ... [2022-07-22 23:34:21,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:34:21,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 23:34:21,537 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) [2022-07-22 23:34:21,557 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 [2022-07-22 23:34:21,565 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-22 23:34:21,565 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-22 23:34:21,565 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-07-22 23:34:21,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-07-22 23:34:21,565 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-22 23:34:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-22 23:34:21,566 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-22 23:34:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2022-07-22 23:34:21,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2022-07-22 23:34:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-07-22 23:34:21,566 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-07-22 23:34:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-22 23:34:21,566 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-22 23:34:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2022-07-22 23:34:21,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2022-07-22 23:34:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-22 23:34:21,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-22 23:34:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2022-07-22 23:34:21,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2022-07-22 23:34:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2022-07-22 23:34:21,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2022-07-22 23:34:21,568 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-07-22 23:34:21,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-07-22 23:34:21,568 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-22 23:34:21,568 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-22 23:34:21,568 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2022-07-22 23:34:21,568 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2022-07-22 23:34:21,568 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-07-22 23:34:21,568 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-07-22 23:34:21,569 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-22 23:34:21,569 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-22 23:34:21,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-07-22 23:34:21,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-07-22 23:34:21,569 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-07-22 23:34:21,569 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-07-22 23:34:21,569 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-22 23:34:21,569 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-22 23:34:21,570 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-22 23:34:21,570 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-22 23:34:21,570 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-22 23:34:21,570 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-22 23:34:21,570 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2022-07-22 23:34:21,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2022-07-22 23:34:21,570 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-22 23:34:21,570 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-22 23:34:21,571 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-07-22 23:34:21,571 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-07-22 23:34:21,571 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2022-07-22 23:34:21,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2022-07-22 23:34:21,571 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2022-07-22 23:34:21,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2022-07-22 23:34:21,571 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-22 23:34:21,571 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-22 23:34:21,572 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2022-07-22 23:34:21,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2022-07-22 23:34:21,572 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-22 23:34:21,572 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-22 23:34:21,572 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-22 23:34:21,572 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2022-07-22 23:34:21,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2022-07-22 23:34:21,572 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-22 23:34:21,573 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-22 23:34:21,573 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-22 23:34:21,573 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-22 23:34:21,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 23:34:21,573 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-22 23:34:21,573 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-22 23:34:21,573 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2022-07-22 23:34:21,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2022-07-22 23:34:21,574 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2022-07-22 23:34:21,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2022-07-22 23:34:21,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-22 23:34:21,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-22 23:34:21,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-22 23:34:21,574 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2022-07-22 23:34:21,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2022-07-22 23:34:21,574 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2022-07-22 23:34:21,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2022-07-22 23:34:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-22 23:34:21,575 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-22 23:34:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2022-07-22 23:34:21,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2022-07-22 23:34:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2022-07-22 23:34:21,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2022-07-22 23:34:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-22 23:34:21,575 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-22 23:34:21,576 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2022-07-22 23:34:21,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2022-07-22 23:34:21,576 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-22 23:34:21,576 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-22 23:34:21,576 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-22 23:34:21,576 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-22 23:34:21,576 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-07-22 23:34:21,576 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-07-22 23:34:21,577 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-22 23:34:21,577 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-22 23:34:21,577 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-22 23:34:21,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-22 23:34:21,577 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2022-07-22 23:34:21,577 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2022-07-22 23:34:21,577 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2022-07-22 23:34:21,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2022-07-22 23:34:21,578 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2022-07-22 23:34:21,578 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2022-07-22 23:34:21,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-07-22 23:34:21,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-07-22 23:34:21,578 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-22 23:34:21,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-22 23:34:21,578 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-22 23:34:21,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-22 23:34:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-22 23:34:21,579 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-22 23:34:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-22 23:34:21,579 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-22 23:34:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-07-22 23:34:21,579 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-07-22 23:34:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2022-07-22 23:34:21,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2022-07-22 23:34:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-07-22 23:34:21,580 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-07-22 23:34:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-22 23:34:21,580 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-22 23:34:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2022-07-22 23:34:21,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2022-07-22 23:34:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2022-07-22 23:34:21,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2022-07-22 23:34:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-22 23:34:21,581 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-22 23:34:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-22 23:34:21,581 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-22 23:34:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-07-22 23:34:21,581 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-07-22 23:34:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2022-07-22 23:34:21,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2022-07-22 23:34:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 23:34:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2022-07-22 23:34:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2022-07-22 23:34:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-07-22 23:34:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-07-22 23:34:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2022-07-22 23:34:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2022-07-22 23:34:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 23:34:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-22 23:34:21,583 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-22 23:34:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-22 23:34:21,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-22 23:34:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 23:34:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-22 23:34:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-22 23:34:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-22 23:34:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-22 23:34:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2022-07-22 23:34:21,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2022-07-22 23:34:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2022-07-22 23:34:21,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2022-07-22 23:34:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-22 23:34:21,584 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-22 23:34:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-22 23:34:21,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-22 23:34:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2022-07-22 23:34:21,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2022-07-22 23:34:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-22 23:34:21,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-22 23:34:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2022-07-22 23:34:21,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2022-07-22 23:34:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-22 23:34:21,585 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-22 23:34:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2022-07-22 23:34:21,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2022-07-22 23:34:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-22 23:34:21,586 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-22 23:34:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-07-22 23:34:21,586 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-07-22 23:34:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2022-07-22 23:34:21,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2022-07-22 23:34:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-07-22 23:34:21,586 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-07-22 23:34:21,587 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-22 23:34:21,587 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-22 23:34:21,587 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-22 23:34:21,587 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-22 23:34:21,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2022-07-22 23:34:21,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2022-07-22 23:34:21,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-22 23:34:21,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 23:34:21,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 23:34:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2022-07-22 23:34:21,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2022-07-22 23:34:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-22 23:34:21,588 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-22 23:34:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2022-07-22 23:34:21,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2022-07-22 23:34:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-22 23:34:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2022-07-22 23:34:21,589 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2022-07-22 23:34:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-22 23:34:21,589 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-22 23:34:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-22 23:34:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2022-07-22 23:34:21,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2022-07-22 23:34:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-22 23:34:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-22 23:34:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-22 23:34:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-22 23:34:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-07-22 23:34:21,590 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-07-22 23:34:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-22 23:34:21,590 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-22 23:34:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2022-07-22 23:34:21,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2022-07-22 23:34:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-22 23:34:21,591 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-22 23:34:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-22 23:34:21,591 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-22 23:34:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-22 23:34:21,591 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-22 23:34:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2022-07-22 23:34:21,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2022-07-22 23:34:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-22 23:34:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-22 23:34:21,592 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-22 23:34:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2022-07-22 23:34:21,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2022-07-22 23:34:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2022-07-22 23:34:21,592 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2022-07-22 23:34:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2022-07-22 23:34:21,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2022-07-22 23:34:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-22 23:34:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-22 23:34:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-22 23:34:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-22 23:34:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-22 23:34:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-22 23:34:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-22 23:34:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-22 23:34:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-22 23:34:21,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-22 23:34:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2022-07-22 23:34:21,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2022-07-22 23:34:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-22 23:34:21,594 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-22 23:34:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-22 23:34:21,594 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-22 23:34:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2022-07-22 23:34:21,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2022-07-22 23:34:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-22 23:34:21,595 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-22 23:34:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-22 23:34:21,595 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-22 23:34:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-22 23:34:21,595 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-22 23:34:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2022-07-22 23:34:21,595 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2022-07-22 23:34:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-22 23:34:21,596 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-22 23:34:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-22 23:34:21,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-22 23:34:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 23:34:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-22 23:34:21,596 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-22 23:34:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-22 23:34:21,597 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-22 23:34:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-22 23:34:21,597 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-22 23:34:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 23:34:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-07-22 23:34:21,597 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-07-22 23:34:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2022-07-22 23:34:21,597 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2022-07-22 23:34:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-22 23:34:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-22 23:34:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-22 23:34:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-22 23:34:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-22 23:34:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-22 23:34:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 23:34:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2022-07-22 23:34:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2022-07-22 23:34:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-22 23:34:21,599 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-22 23:34:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-22 23:34:21,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-22 23:34:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2022-07-22 23:34:21,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2022-07-22 23:34:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-22 23:34:21,599 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-22 23:34:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-22 23:34:21,600 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-22 23:34:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-22 23:34:21,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-22 23:34:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2022-07-22 23:34:21,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2022-07-22 23:34:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-07-22 23:34:21,600 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-07-22 23:34:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-07-22 23:34:21,600 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-07-22 23:34:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-22 23:34:21,601 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-22 23:34:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-22 23:34:21,601 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-22 23:34:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-22 23:34:21,601 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-22 23:34:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2022-07-22 23:34:21,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2022-07-22 23:34:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-22 23:34:21,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-22 23:34:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-22 23:34:21,602 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-22 23:34:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-22 23:34:21,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-22 23:34:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-22 23:34:21,602 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-22 23:34:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-22 23:34:21,603 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-22 23:34:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2022-07-22 23:34:21,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2022-07-22 23:34:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-22 23:34:21,603 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-22 23:34:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-22 23:34:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-22 23:34:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-22 23:34:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-22 23:34:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-22 23:34:21,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-22 23:34:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2022-07-22 23:34:21,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2022-07-22 23:34:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-22 23:34:21,604 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-22 23:34:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-22 23:34:21,604 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-22 23:34:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2022-07-22 23:34:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2022-07-22 23:34:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2022-07-22 23:34:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2022-07-22 23:34:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-22 23:34:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-22 23:34:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2022-07-22 23:34:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2022-07-22 23:34:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-22 23:34:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-22 23:34:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2022-07-22 23:34:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2022-07-22 23:34:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2022-07-22 23:34:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2022-07-22 23:34:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2022-07-22 23:34:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2022-07-22 23:34:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-22 23:34:21,607 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-22 23:34:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-22 23:34:21,607 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-22 23:34:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2022-07-22 23:34:21,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2022-07-22 23:34:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2022-07-22 23:34:21,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2022-07-22 23:34:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-22 23:34:21,608 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-22 23:34:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2022-07-22 23:34:21,608 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2022-07-22 23:34:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2022-07-22 23:34:21,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2022-07-22 23:34:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-22 23:34:21,608 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-22 23:34:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-22 23:34:21,608 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-22 23:34:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2022-07-22 23:34:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2022-07-22 23:34:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2022-07-22 23:34:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2022-07-22 23:34:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-22 23:34:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-22 23:34:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2022-07-22 23:34:21,610 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2022-07-22 23:34:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-07-22 23:34:21,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-07-22 23:34:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2022-07-22 23:34:21,610 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2022-07-22 23:34:22,496 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 23:34:22,502 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 23:36:31,762 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 23:36:31,788 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 23:36:31,788 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 23:36:31,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:36:31 BoogieIcfgContainer [2022-07-22 23:36:31,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 23:36:31,794 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 23:36:31,794 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 23:36:31,796 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 23:36:31,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 11:34:16" (1/3) ... [2022-07-22 23:36:31,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@698928bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:36:31, skipping insertion in model container [2022-07-22 23:36:31,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:34:20" (2/3) ... [2022-07-22 23:36:31,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@698928bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:36:31, skipping insertion in model container [2022-07-22 23:36:31,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:36:31" (3/3) ... [2022-07-22 23:36:31,800 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i [2022-07-22 23:36:31,810 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 23:36:31,810 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 23:36:31,900 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 23:36:31,906 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@388b9d50, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1153e474 [2022-07-22 23:36:31,906 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 23:36:31,917 INFO L276 IsEmpty]: Start isEmpty. Operand has 3121 states, 2200 states have (on average 1.345) internal successors, (2959), 2245 states have internal predecessors, (2959), 748 states have call successors, (748), 171 states have call predecessors, (748), 171 states have return successors, (748), 740 states have call predecessors, (748), 748 states have call successors, (748) [2022-07-22 23:36:31,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-07-22 23:36:31,923 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:36:31,923 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:36:31,924 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:36:31,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:36:31,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1635148979, now seen corresponding path program 1 times [2022-07-22 23:36:31,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:36:31,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [642421206] [2022-07-22 23:36:31,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:36:31,943 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:36:31,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:36:31,945 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) [2022-07-22 23:36:31,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-22 23:36:34,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:36:34,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 4214 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:36:34,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:36:34,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:36:34,549 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:36:34,550 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:36:34,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [642421206] [2022-07-22 23:36:34,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [642421206] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:36:34,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:36:34,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:36:34,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153195433] [2022-07-22 23:36:34,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:36:34,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:36:34,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:36:34,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:36:34,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:36:34,584 INFO L87 Difference]: Start difference. First operand has 3121 states, 2200 states have (on average 1.345) internal successors, (2959), 2245 states have internal predecessors, (2959), 748 states have call successors, (748), 171 states have call predecessors, (748), 171 states have return successors, (748), 740 states have call predecessors, (748), 748 states have call successors, (748) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 23:36:35,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:36:35,263 INFO L93 Difference]: Finished difference Result 6228 states and 8956 transitions. [2022-07-22 23:36:35,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:36:35,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2022-07-22 23:36:35,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:36:35,294 INFO L225 Difference]: With dead ends: 6228 [2022-07-22 23:36:35,295 INFO L226 Difference]: Without dead ends: 3104 [2022-07-22 23:36:35,313 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 [2022-07-22 23:36:35,315 INFO L413 NwaCegarLoop]: 4444 mSDtfsCounter, 4431 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4431 SdHoareTripleChecker+Valid, 4446 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 [2022-07-22 23:36:35,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4431 Valid, 4446 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-22 23:36:35,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3104 states. [2022-07-22 23:36:35,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3104 to 3104. [2022-07-22 23:36:35,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3104 states, 2187 states have (on average 1.3415637860082306) internal successors, (2934), 2229 states have internal predecessors, (2934), 747 states have call successors, (747), 171 states have call predecessors, (747), 169 states have return successors, (742), 734 states have call predecessors, (742), 742 states have call successors, (742) [2022-07-22 23:36:35,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3104 states to 3104 states and 4423 transitions. [2022-07-22 23:36:35,503 INFO L78 Accepts]: Start accepts. Automaton has 3104 states and 4423 transitions. Word has length 17 [2022-07-22 23:36:35,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:36:35,505 INFO L495 AbstractCegarLoop]: Abstraction has 3104 states and 4423 transitions. [2022-07-22 23:36:35,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 23:36:35,505 INFO L276 IsEmpty]: Start isEmpty. Operand 3104 states and 4423 transitions. [2022-07-22 23:36:35,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-07-22 23:36:35,506 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:36:35,506 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:36:35,559 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-22 23:36:35,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:36:35,723 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:36:35,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:36:35,723 INFO L85 PathProgramCache]: Analyzing trace with hash 847662603, now seen corresponding path program 1 times [2022-07-22 23:36:35,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:36:35,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1727695802] [2022-07-22 23:36:35,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:36:35,729 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:36:35,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:36:35,730 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) [2022-07-22 23:36:35,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-22 23:36:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:36:37,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 4215 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:36:37,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:36:38,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:36:38,303 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:36:38,303 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:36:38,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1727695802] [2022-07-22 23:36:38,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1727695802] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:36:38,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:36:38,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:36:38,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511725763] [2022-07-22 23:36:38,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:36:38,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:36:38,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:36:38,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:36:38,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:36:38,306 INFO L87 Difference]: Start difference. First operand 3104 states and 4423 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 23:36:38,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:36:38,898 INFO L93 Difference]: Finished difference Result 3390 states and 4822 transitions. [2022-07-22 23:36:38,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:36:38,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2022-07-22 23:36:38,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:36:38,915 INFO L225 Difference]: With dead ends: 3390 [2022-07-22 23:36:38,915 INFO L226 Difference]: Without dead ends: 3386 [2022-07-22 23:36:38,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:36:38,918 INFO L413 NwaCegarLoop]: 4578 mSDtfsCounter, 4043 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4043 SdHoareTripleChecker+Valid, 5335 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 [2022-07-22 23:36:38,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4043 Valid, 5335 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-22 23:36:38,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3386 states. [2022-07-22 23:36:39,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3386 to 3384. [2022-07-22 23:36:39,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3384 states, 2381 states have (on average 1.3460730785384292) internal successors, (3205), 2423 states have internal predecessors, (3205), 807 states have call successors, (807), 197 states have call predecessors, (807), 195 states have return successors, (804), 795 states have call predecessors, (804), 804 states have call successors, (804) [2022-07-22 23:36:39,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3384 states to 3384 states and 4816 transitions. [2022-07-22 23:36:39,035 INFO L78 Accepts]: Start accepts. Automaton has 3384 states and 4816 transitions. Word has length 18 [2022-07-22 23:36:39,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:36:39,036 INFO L495 AbstractCegarLoop]: Abstraction has 3384 states and 4816 transitions. [2022-07-22 23:36:39,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 23:36:39,036 INFO L276 IsEmpty]: Start isEmpty. Operand 3384 states and 4816 transitions. [2022-07-22 23:36:39,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-22 23:36:39,036 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:36:39,037 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:36:39,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-22 23:36:39,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:36:39,259 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:36:39,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:36:39,260 INFO L85 PathProgramCache]: Analyzing trace with hash 505415184, now seen corresponding path program 1 times [2022-07-22 23:36:39,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:36:39,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [621983928] [2022-07-22 23:36:39,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:36:39,265 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:36:39,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:36:39,271 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) [2022-07-22 23:36:39,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-22 23:36:41,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:36:41,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 4216 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:36:41,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:36:41,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:36:41,866 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:36:41,866 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:36:41,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [621983928] [2022-07-22 23:36:41,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [621983928] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:36:41,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:36:41,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:36:41,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726638432] [2022-07-22 23:36:41,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:36:41,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:36:41,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:36:41,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:36:41,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:36:41,868 INFO L87 Difference]: Start difference. First operand 3384 states and 4816 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 23:36:42,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:36:42,294 INFO L93 Difference]: Finished difference Result 3386 states and 4817 transitions. [2022-07-22 23:36:42,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:36:42,347 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 19 [2022-07-22 23:36:42,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:36:42,360 INFO L225 Difference]: With dead ends: 3386 [2022-07-22 23:36:42,360 INFO L226 Difference]: Without dead ends: 3375 [2022-07-22 23:36:42,362 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 [2022-07-22 23:36:42,363 INFO L413 NwaCegarLoop]: 4417 mSDtfsCounter, 4401 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4401 SdHoareTripleChecker+Valid, 4419 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 [2022-07-22 23:36:42,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4401 Valid, 4419 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 23:36:42,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3375 states. [2022-07-22 23:36:42,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3375 to 3375. [2022-07-22 23:36:42,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3375 states, 2375 states have (on average 1.3448421052631578) internal successors, (3194), 2416 states have internal predecessors, (3194), 804 states have call successors, (804), 196 states have call predecessors, (804), 195 states have return successors, (803), 794 states have call predecessors, (803), 803 states have call successors, (803) [2022-07-22 23:36:42,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3375 states to 3375 states and 4801 transitions. [2022-07-22 23:36:42,464 INFO L78 Accepts]: Start accepts. Automaton has 3375 states and 4801 transitions. Word has length 19 [2022-07-22 23:36:42,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:36:42,465 INFO L495 AbstractCegarLoop]: Abstraction has 3375 states and 4801 transitions. [2022-07-22 23:36:42,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 23:36:42,465 INFO L276 IsEmpty]: Start isEmpty. Operand 3375 states and 4801 transitions. [2022-07-22 23:36:42,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-07-22 23:36:42,477 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:36:42,478 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:36:42,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-22 23:36:42,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:36:42,692 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:36:42,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:36:42,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1260089886, now seen corresponding path program 1 times [2022-07-22 23:36:42,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:36:42,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1777994296] [2022-07-22 23:36:42,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:36:42,696 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:36:42,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:36:42,699 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) [2022-07-22 23:36:42,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-22 23:36:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:36:45,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 4459 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 23:36:45,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:36:45,289 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-07-22 23:36:45,289 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:36:45,289 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:36:45,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1777994296] [2022-07-22 23:36:45,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1777994296] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:36:45,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:36:45,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 23:36:45,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785055394] [2022-07-22 23:36:45,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:36:45,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 23:36:45,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:36:45,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 23:36:45,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 23:36:45,291 INFO L87 Difference]: Start difference. First operand 3375 states and 4801 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-22 23:36:46,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:36:46,087 INFO L93 Difference]: Finished difference Result 6745 states and 9674 transitions. [2022-07-22 23:36:46,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 23:36:46,088 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 78 [2022-07-22 23:36:46,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:36:46,102 INFO L225 Difference]: With dead ends: 6745 [2022-07-22 23:36:46,102 INFO L226 Difference]: Without dead ends: 3379 [2022-07-22 23:36:46,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 23:36:46,116 INFO L413 NwaCegarLoop]: 4400 mSDtfsCounter, 2 mSDsluCounter, 8780 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 13180 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 23:36:46,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 13180 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 23:36:46,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3379 states. [2022-07-22 23:36:46,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3379 to 3379. [2022-07-22 23:36:46,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3379 states, 2378 states have (on average 1.3448275862068966) internal successors, (3198), 2420 states have internal predecessors, (3198), 804 states have call successors, (804), 196 states have call predecessors, (804), 196 states have return successors, (805), 794 states have call predecessors, (805), 803 states have call successors, (805) [2022-07-22 23:36:46,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3379 states to 3379 states and 4807 transitions. [2022-07-22 23:36:46,217 INFO L78 Accepts]: Start accepts. Automaton has 3379 states and 4807 transitions. Word has length 78 [2022-07-22 23:36:46,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:36:46,217 INFO L495 AbstractCegarLoop]: Abstraction has 3379 states and 4807 transitions. [2022-07-22 23:36:46,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-22 23:36:46,218 INFO L276 IsEmpty]: Start isEmpty. Operand 3379 states and 4807 transitions. [2022-07-22 23:36:46,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-07-22 23:36:46,222 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:36:46,222 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:36:46,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-22 23:36:46,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:36:46,439 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:36:46,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:36:46,440 INFO L85 PathProgramCache]: Analyzing trace with hash 530895906, now seen corresponding path program 1 times [2022-07-22 23:36:46,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:36:46,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [827083403] [2022-07-22 23:36:46,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:36:46,445 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:36:46,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:36:46,446 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) [2022-07-22 23:36:46,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-22 23:36:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:36:48,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 4470 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 23:36:48,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:36:49,053 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-07-22 23:36:49,054 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 23:36:50,021 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-07-22 23:36:50,021 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:36:50,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [827083403] [2022-07-22 23:36:50,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [827083403] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 23:36:50,022 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-22 23:36:50,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-22 23:36:50,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68267512] [2022-07-22 23:36:50,022 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-22 23:36:50,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 23:36:50,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:36:50,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 23:36:50,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-22 23:36:50,023 INFO L87 Difference]: Start difference. First operand 3379 states and 4807 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-22 23:36:53,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:36:53,163 INFO L93 Difference]: Finished difference Result 6761 states and 9704 transitions. [2022-07-22 23:36:53,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-22 23:36:53,164 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 79 [2022-07-22 23:36:53,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:36:53,181 INFO L225 Difference]: With dead ends: 6761 [2022-07-22 23:36:53,182 INFO L226 Difference]: Without dead ends: 3391 [2022-07-22 23:36:53,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-07-22 23:36:53,196 INFO L413 NwaCegarLoop]: 4391 mSDtfsCounter, 18 mSDsluCounter, 13138 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 17529 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-22 23:36:53,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 17529 Invalid, 190 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [67 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-22 23:36:53,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3391 states. [2022-07-22 23:36:53,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3391 to 3389. [2022-07-22 23:36:53,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3389 states, 2387 states have (on average 1.346041055718475) internal successors, (3213), 2429 states have internal predecessors, (3213), 804 states have call successors, (804), 197 states have call predecessors, (804), 197 states have return successors, (805), 794 states have call predecessors, (805), 803 states have call successors, (805) [2022-07-22 23:36:53,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3389 states to 3389 states and 4822 transitions. [2022-07-22 23:36:53,295 INFO L78 Accepts]: Start accepts. Automaton has 3389 states and 4822 transitions. Word has length 79 [2022-07-22 23:36:53,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:36:53,296 INFO L495 AbstractCegarLoop]: Abstraction has 3389 states and 4822 transitions. [2022-07-22 23:36:53,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-22 23:36:53,297 INFO L276 IsEmpty]: Start isEmpty. Operand 3389 states and 4822 transitions. [2022-07-22 23:36:53,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-07-22 23:36:53,302 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:36:53,302 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:36:53,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-22 23:36:53,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:36:53,520 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:36:53,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:36:53,520 INFO L85 PathProgramCache]: Analyzing trace with hash -748301538, now seen corresponding path program 2 times [2022-07-22 23:36:53,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:36:53,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [352707760] [2022-07-22 23:36:53,524 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 23:36:53,524 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:36:53,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:36:53,525 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) [2022-07-22 23:36:53,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-22 23:36:55,602 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-22 23:36:55,602 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 23:36:55,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 4370 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 23:36:55,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:36:56,926 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-07-22 23:36:56,926 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:36:56,927 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:36:56,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [352707760] [2022-07-22 23:36:56,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [352707760] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:36:56,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:36:56,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:36:56,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045668207] [2022-07-22 23:36:56,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:36:56,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:36:56,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:36:56,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:36:56,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:36:56,930 INFO L87 Difference]: Start difference. First operand 3389 states and 4822 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-22 23:36:57,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:36:57,387 INFO L93 Difference]: Finished difference Result 3389 states and 4822 transitions. [2022-07-22 23:36:57,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:36:57,387 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 82 [2022-07-22 23:36:57,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:36:57,389 INFO L225 Difference]: With dead ends: 3389 [2022-07-22 23:36:57,389 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 23:36:57,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:36:57,399 INFO L413 NwaCegarLoop]: 4698 mSDtfsCounter, 723 mSDsluCounter, 4039 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 8737 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-22 23:36:57,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [723 Valid, 8737 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-22 23:36:57,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 23:36:57,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 23:36:57,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 23:36:57,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 23:36:57,401 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2022-07-22 23:36:57,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:36:57,401 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 23:36:57,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-22 23:36:57,401 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 23:36:57,402 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 23:36:57,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 23:36:57,469 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-22 23:36:57,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:36:57,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.